Thermal power plant curve coal drop pipeline maintenance device

Abstract

The utility model discloses a thermal power plant curve coal drop pipeline maintenance device which comprises a thermal power plant curve coal drop pipeline maintenance device body, the inner side wall of the maintenance device body is fixedly connected with an air cylinder, and the output end of the air cylinder is sleeved with a first installation ring in a sliding connection mode. And one side of the surface of the first mounting ring is fixedly connected with the top of an air cylinder, the telescopic assembly can be limited, the output end of the air cylinder is fixedly connected with a second mounting ring in a sleeving mode, and T-shaped frames are arranged on the two sides of the surface of the air cylinder. By arranging the second mounting ring, the second support, the T-shaped frame and other structures, the second mounting ring is driven by the air cylinder to move, the second support is driven by the second mounting ring to rotate, and the first support is driven by the second support to slide along the limiting groove, so that the function of supporting the overhauling device body is achieved, and the situation of insufficient stability is avoided; and meanwhile, the application range is widened.

Description

Technical Field

[0001] The utility model relates to the technical field of curved coal-dropping pipelines in thermal power plants, in particular to a device for repairing curved coal-dropping pipelines in thermal power plants. Background Art

[0002] Coal drop pipes are crucial components for coal transportation in thermal power plants, and their performance directly impacts the plant's safe production and operational efficiency. Traditional coal drop pipes often experience problems such as blockage, severe wear, and dust pollution. These issues not only impact the normal operation of the power plant but also increase maintenance costs and safety risks. To address these issues, the curved coal drop pipe inspection device was developed. Through optimized design and scientific calculations, it effectively controls the dynamics of coal flow, thereby reducing coal blockages, minimizing wear within the drop pipe, and improving the efficiency and reliability of the entire coal transportation system.

[0003] Publication No. CN215060450U discloses a municipal pipeline inspection device comprising a mobile vehicle and a detection device. The mobile vehicle is provided with a motor and a lifting column. The detection device is mounted on the lifting column and can be raised and lowered with the lifting column. A transmission mechanism is connected between the motor and the lifting column, and the motor drives the lifting column to move up and down on the mobile vehicle via the transmission mechanism.

[0004] Although the above technical solution can quickly adjust the height of the lifting column through the motor through the above structure, thereby adjusting the working height of the detection equipment, so that the maintenance equipment can smoothly enter the coal drop pipeline for maintenance work, but the above existing patent can enable the equipment to smoothly enter pipelines of different sizes. However, during the movement in the pipeline, the above device can only move along the bottom side of the straight pipeline and has no support on the top, so it is easy to have insufficient stability during the movement. At the same time, its detection equipment cannot be adjusted at an angle, and it is impossible to perform multi-directional and dead-angle-free maintenance in the pipeline. Utility Model Content

[0005] The technical problem to be solved by the present invention is that it can only move along the bottom side of a straight pipeline and has no support on the upper part, which easily leads to insufficient stability during the movement. At the same time, its detection equipment cannot be adjusted in angle, and it is impossible to carry out multi-directional and dead-angle-free inspection in the pipeline.

[0006] In order to solve the above technical problems, a technical solution adopted by the present invention is as follows: a device for repairing a curved coal-dropping pipeline in a thermal power plant is provided, comprising a body of the device for repairing a curved coal-dropping pipeline in a thermal power plant, wherein the inner side wall of the repair device body is fixedly connected to a cylinder, the output end of the cylinder is sleeved with a first mounting ring in sliding connection, one side of the surface of the first mounting ring is fixedly connected to the top of the cylinder, and the telescopic assembly can be limited, the output end of the cylinder is sleeved with a second mounting ring in fixed connection, T-shaped frames are provided on both sides of the surface of the cylinder, and a telescopic assembly is provided between the two T-shaped frames and the cylinder, and limiting grooves are provided on the surfaces of the two T-shaped frames to support the T-shaped frames;

[0007] A plurality of dampers are fixedly connected to one side of the surface of the two T-shaped frames, and the output ends of the plurality of dampers are fixedly connected to mounting frames. Shock-absorbing springs are fixedly connected between one side of the surface of the plurality of mounting frames and one side of the surface of the T-shaped frames, and the plurality of shock-absorbing springs are respectively located outside the dampers, which can be conveniently moved inside the coal falling pipe with debris. A tempered glass box is fixedly connected to the top of the maintenance device body, and a lifting and rotating assembly is provided inside the tempered glass box. An L-shaped plate is provided on the top of the lifting and rotating assembly, and a maintenance instrument is fixedly connected to the top of the L-shaped plate, which can be used to inspect the pipeline.

[0008] Preferably, the telescopic assembly includes two first mounting seats, one side of the surface of the two first mounting seats is fixedly connected to the surface of the first mounting ring, the inner side walls of the two first mounting seats are rotatably connected to the first bracket, the surface of the second mounting ring is fixedly connected to two second mounting seats, the inner side walls of the two second mounting seats are rotatably connected to the second bracket, the two first brackets and the second brackets are rotatably connected through a rotating shaft, one end of the two second brackets is rotatably connected to one side of the surface of the T-frame, and one end of the two first brackets is rotatably connected to a limiting column, so that the T-frame can be telescoped and fitted with the pipe.

[0009] Preferably, the lifting and rotating assembly includes two electric push rods, the bottoms of the two electric push rods are fixedly connected to the inner bottom of the tempered glass box, the output ends of the two electric push rods are fixedly connected to an annular slide, the inner bottom of the maintenance device body is fixedly connected to a mounting column, the top of the mounting column is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a collar, the inner side wall of the collar is rotatably connected to a transmission shaft, one end of the transmission shaft is fixedly connected to an L-shaped limit slider, one end of the L-shaped limit slider is slidably connected to the inside of the annular slide, and the other end of the transmission shaft is fixedly connected to the bottom end of the L-shaped plate, so that the inside of the coal falling pipe can be fully inspected.

[0010] Preferably, one end of each of the two limiting columns passes through the sliding connection limiting groove and extends to the other side of the surface of the T-shaped frame and is fixedly connected with a circular limiting block, which can limit the telescopic distance.

[0011] Preferably, a plurality of supporting wheels are fixedly connected to the bottom of the maintenance device body to facilitate movement in the coal dropping pipe.

[0012] Preferably, a wheel hub is rotatably connected between both sides of the interior of the plurality of mounting frames, wherein one end of two of the mounting frames is fixedly connected to a first motor, and the output ends of the two first motors extend through the interior of the mounting frame and are fixedly connected to one side of the surface of the wheel hub, so as to facilitate support for the maintenance device body.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model sets a second mounting ring, a second bracket T-shaped bracket and other structures, uses a cylinder to drive the second mounting ring to move, the second mounting ring drives the second bracket to rotate, and the second bracket drives the first bracket to slide along the limit groove, thereby achieving the function of supporting the maintenance device body, avoiding the situation of insufficient stability, and at the same time improving the scope of use.

[0015] 2. The utility model sets up an annular chute, a transmission shaft and an electric push rod, etc., uses the electric push rod to drive the annular chute to move, and the annular chute drives the transmission shaft to rotate, so that the maintenance instrument can be raised and lowered and the angle can be adjusted. In combination with the second motor to drive the transmission shaft to revolve, the maintenance instrument is rotated, and the inside of the pipeline can be inspected from all directions without dead angles, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of a thermal power plant curved coal-dropping pipeline maintenance device according to the utility model;

[0017] Figure 2 This is a schematic structural diagram of a telescopic assembly of a curved coal-dropping pipeline maintenance device for a thermal power plant according to the present invention;

[0018] Figure 3 This is a schematic structural diagram of a damping and mounting frame of a curved coal-dropping pipeline maintenance device for a thermal power plant according to the utility model;

[0019] Figure 4 The utility model is a structural schematic diagram of the lifting and rotating components of a thermal power plant curved coal dropping pipeline maintenance device.

[0020] In the figure: 1. Maintenance device body; 2. Cylinder; 3. First mounting ring; 4. Second mounting ring; 5. First mounting seat; 6. Second mounting seat; 7. First bracket; 8. Rotating shaft; 9. Second bracket; 10. T-shaped frame; 11. Limiting groove; 12. Limiting column; 13. Damping; 14. Shock-absorbing spring; 15. Mounting frame; 16. First motor; 17. Support wheel; 18. Tempered glass box; 19. Electric push rod; 20. Mounting column; 21. Second motor; 22. Collar; 23. Drive shaft; 24. Annular slide; 25. Maintenance instrument; 26. L-shaped plate; 27. L-shaped limiting slider; 28. Wheel hub. DETAILED DESCRIPTION

[0021] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0022] See also Figure 1 - Figure 4 A thermal power plant curved coal-dropping pipeline maintenance device includes a thermal power plant curved coal-dropping pipeline maintenance device body 1, the inner side wall of the maintenance device body 1 is fixedly connected to a cylinder 2, the output end of the cylinder 2 is sleeved with a first mounting ring 3 in sliding connection, one side of the surface of the first mounting ring 3 is fixedly connected to the top of the cylinder 2, and the telescopic component can be limited. The output end of the cylinder 2 is sleeved with a second mounting ring 4 in fixed connection, T-shaped frames 10 are provided on both sides of the surface of the cylinder 2, and a telescopic component is provided between the two T-shaped frames 10 and the cylinder 2. Limiting grooves 11 are penetrated on the surfaces of the two T-shaped frames 10 to support the T-shaped frames 10;

[0023] A plurality of dampers 13 are fixedly connected to one side of the surface of the two T-shaped frames 10, and the output ends of the plurality of dampers 13 are fixedly connected to a mounting frame 15. Shock-absorbing springs 14 are fixedly connected between one side of the surface of the plurality of mounting frames 15 and one side of the surface of the T-shaped frame 10, and the plurality of shock-absorbing springs 14 are respectively located on the outside of the dampers 13, which can be conveniently moved inside the coal dropping pipeline with debris. A tempered glass box 18 is fixedly connected to the top of the maintenance device body 1, and a lifting and rotating assembly is provided inside the tempered glass box 18. An L-shaped plate 26 is provided on the top of the lifting and rotating assembly, and a maintenance instrument 25 is fixedly connected to the top of the L-shaped plate 26, which can be used to inspect the pipeline. A plurality of support wheels 17 are fixedly connected to the bottom of the maintenance device body 1, which is convenient for moving inside the coal dropping pipeline.

[0024] like Figure 2 - Figure 4As shown, a hub 28 is rotatably connected between the inner sides of the multiple mounting frames 15, wherein one end of the two mounting frames 15 is fixedly connected to the first motor 16, and the output ends of the two first motors 16 extend through the interior of the mounting frame 15 and are fixedly connected to one side of the surface of the hub 28, so as to facilitate the support of the maintenance device body 1, and the lifting and rotating assembly includes two electric push rods 19, the bottoms of the two electric push rods 19 are fixedly connected to the inner bottom of the tempered glass box 18, and the output ends of the two electric push rods 19 are fixedly connected to an annular slide 24, and the inner bottom of the maintenance device body 1 is fixedly connected to a mounting column 20, and the top of the mounting column 20 is fixedly connected to the second motor 21, and the output end of the second motor 21 is fixedly connected to a collar 22, and the inner side wall of the collar 22 is rotatably connected to a transmission shaft 23, and one end of the transmission shaft 23 is fixedly connected to an L-shaped limit slider 27, and one end of the L-shaped limit slider 27 is slidably connected to the inside of the annular slide 24. The other end of the moving shaft 23 is fixedly connected to the bottom end of the L-shaped plate 26, so that a comprehensive inspection can be carried out on the inside of the coal falling pipe. The telescopic assembly includes two first mounting seats 5, and one side of the surface of the two first mounting seats 5 is fixedly connected to the surface of the first mounting ring 3. The inner side walls of the two first mounting seats 5 are rotatably connected to the first bracket 7. The surface of the second mounting ring 4 is fixedly connected to two second mounting seats 6. The inner side walls of the two second mounting seats 6 are rotatably connected to the second bracket 9. The two first brackets 7 and the second brackets 9 are rotatably connected through the rotating shaft 8. One end of the two second brackets 9 is rotatably connected to one side of the surface of the T-shaped frame 10, and one end of the two first brackets 7 is rotatably connected to the limiting column 12, which can extend and retract the T-shaped frame 10 and fit the pipeline. One end of the two limiting columns 12 passes through the sliding connection limiting groove 11 and extends to the other side of the surface of the T-shaped frame 10, and is fixedly connected to a circular limiting block, which can limit the telescopic distance.

[0025] When the utility model is in use, the maintenance device body 1 is placed in the curved coal falling pipeline to be inspected, and the cylinder 2 is started. The cylinder 2 drives the second mounting ring 4 to move, and the second mounting ring 4 drives the second bracket 9 to rotate. The second bracket 9 drives the first bracket 7 to rotate, and the second bracket 9 drives the limiting column 12 to slide along the limiting groove 11. The limiting groove 11 drives the T-shaped frame 10 to move, and the T-shaped frame 10 drives the damper 13 to move, and the damper 13 drives the mounting bracket 15 to move. The first motor 16 is started, so that the maintenance device body 1 can move forward along the curved coal falling pipeline, which is convenient for overall maintenance. During movement, the second motor 21 is started, and the second motor 21 drives the collar 22 to rotate, and the collar 22 drives the L-shaped plate 26 to rotate, and the L-shaped plate 26 drives the maintenance instrument 25 to rotate. At the same time, the electric push rod 19 is started, and the electric push rod 19 drives the annular slide 24 to move, and the annular slide 24 drives the transmission shaft 23 to rotate, which can be lifted and lowered and the angle adjusted, making it more convenient to use.

[0026] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A device for inspecting and repairing a coal-dropping pipeline in a thermal power plant, comprising a device body (1) for inspecting and repairing a coal-dropping pipeline in a thermal power plant, characterized in that: The inner side wall of the maintenance device body (1) is fixedly connected to a cylinder (2); the output end of the cylinder (2) is sleeved with a first mounting ring (3) in sliding connection; one side of the surface of the first mounting ring (3) is fixedly connected to the top of the cylinder (2); the output end of the cylinder (2) is sleeved with a second mounting ring (4) in fixed connection; T-shaped frames (10) are provided on both sides of the surface of the cylinder (2); a telescopic assembly is provided between the two T-shaped frames (10) and the cylinder (2); and a limiting groove (11) is provided on the surface of the two T-shaped frames (10); A plurality of dampers (13) are fixedly connected to one side of the surface of the two T-shaped frames (10), and the output ends of the plurality of dampers (13) are fixedly connected to a mounting frame (15). Shock-absorbing springs (14) are fixedly connected between one side of the surface of the plurality of mounting frames (15) and one side of the surface of the T-shaped frame (10), and the plurality of shock-absorbing springs (14) are respectively located outside the dampers (13). A tempered glass box (18) is fixedly connected to the top of the maintenance device body (1), and a lifting and rotating assembly is provided inside the tempered glass box (18). An L-shaped plate (26) is provided on the top of the lifting and rotating assembly, and a maintenance instrument (25) is fixedly connected to the top of the L-shaped plate (26).

2. The device for inspecting and repairing a coal-dropping pipeline in a thermal power plant according to claim 1, characterized in that: The telescopic assembly comprises two first mounting seats (5), one side of the surface of the two first mounting seats (5) is fixedly connected to the surface of the first mounting ring (3), the inner side walls of the two first mounting seats (5) are rotatably connected to the first bracket (7), the surface of the second mounting ring (4) is fixedly connected to two second mounting seats (6), the inner side walls of the two second mounting seats (6) are rotatably connected to the second bracket (9), the two first brackets (7) and the second bracket (9) are rotatably connected via a rotating shaft (8), one end of the two second brackets (9) is rotatably connected to the surface of the T-shaped frame (10), and one end of the two first brackets (7) is rotatably connected to a limiting column (12).

3. The device for inspecting and repairing a coal-dropping pipeline in a thermal power plant according to claim 1, characterized in that: The lifting and rotating assembly includes two electric push rods (19), the bottoms of the two electric push rods (19) are fixedly connected to the inner bottom of the tempered glass box (18), the output ends of the two electric push rods (19) are fixedly connected to an annular slide (24), the inner bottom of the maintenance device body (1) is fixedly connected to a mounting column (20), the top of the mounting column (20) is fixedly connected to a second motor (21), the output end of the second motor (21) is fixedly connected to a collar (22), the inner side wall of the collar (22) is rotatably connected to a transmission shaft (23), one end of the transmission shaft (23) is sleeved and fixedly connected to an L-shaped limiting slider (27), one end of the L-shaped limiting slider (27) is slidably connected to the inside of the annular slide (24), and the other end of the transmission shaft (23) is fixedly connected to the bottom end of the L-shaped plate (26).

4. The device for inspecting and repairing a coal-dropping pipeline in a thermal power plant according to claim 2, characterized in that: One end of each of the two limiting columns (12) passes through the sliding connection limiting groove (11) and extends to the other side of the surface of the T-shaped frame (10) and is fixedly connected with a circular limiting block.

5. The device for inspecting and repairing a coal-dropping pipeline in a thermal power plant according to claim 1, characterized in that: A plurality of supporting wheels (17) are fixedly connected to the bottom of the maintenance device body (1).

6. The device for inspecting and repairing a coal-dropping pipeline in a thermal power plant according to claim 1, characterized in that: A wheel hub (28) is rotatably connected between both sides of the interior of the plurality of mounting frames (15), wherein one end of each of the two mounting frames (15) is fixedly connected to a first motor (16), and the output ends of the two first motors (16) extend through the interior of the mounting frame (15) and are fixedly connected to one side of the surface of the wheel hub (28).

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