Novel platform for overhauling boiler furnace of thermal power plant

Abstract

The utility model relates to the technical field of thermal power plant boiler maintenance, in particular to a novel thermal power plant boiler furnace maintenance platform which comprises a rack and a boiler furnace body, a hoisting mechanism is installed on the top of the rack, connecting pieces are movably arranged on the surfaces of the two ends of the boiler furnace body in a sleeved mode, and a supporting mechanism is installed on the surface of the rack. The supporting mechanism comprises a supporting plate, and an adjusting mechanism is arranged at the bottom of the supporting plate. The height of the lying mechanism is adjusted by controlling the second hydraulic cylinder to stretch out and draw back, the lying mechanism is inserted into the inner cavity of the boiler furnace main body, the side edge of the frame body makes contact with the inner wall of the boiler furnace main body, and then a maintainer can lie or sit on the movable plate. And operation of a servo motor is controlled to enable a lead screw to rotate to drive a moving plate to move, then a maintainer moves in the boiler furnace body, and therefore the boiler furnace maintenance device has the advantage that the maintainer can conveniently maintain the interior of the boiler furnace body.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler maintenance in thermal power plants, in particular to a new platform for maintenance of furnaces of thermal power plants boilers. Background Art

[0002] The boiler of a thermal power plant is a key equipment in a thermal power plant. Its main function is to heat water and convert it into high-temperature and high-pressure steam by burning fuel, which in turn drives the steam turbine to generate electricity. Due to the long-term high temperature, high pressure and high humidity inside the boiler, the internal parts of the boiler are easily damaged, so it is necessary to regularly inspect and maintain the boiler.

[0003] After searching, the patent number is CN218462124U, and the name is a utility model of a lifting type thermal power plant boiler maintenance platform, including a base. Through research and analysis, it is found that although it has the advantages of lifting, it still has the following disadvantages to a certain extent.

[0004] For example, when it is necessary to inspect the boiler furnace, the staff need to lie in the boiler furnace and slowly move their bodies for mobile inspection, or sit in the boiler furnace with legs curled up and slowly move for inspection. There are many inconveniences during maintenance, which affects the efficiency of maintenance and makes the maintenance difficult. In order to solve the above technical problems, we have designed a new platform for maintenance of boiler furnaces in thermal power plants. Utility Model Content

[0005] The purpose of the utility model is to provide a new type of platform for maintenance of the boiler furnace of a thermal power plant, which has the advantages of convenient maintenance and lifting support inside the boiler furnace, and solves the problem that when maintenance is needed inside the boiler furnace, the workers need to lie in the boiler furnace and slowly move their bodies for mobile maintenance, or sit in the boiler furnace with legs curled up and slowly move for maintenance, which causes many inconveniences during maintenance.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of platform for maintenance of boiler furnace in thermal power plant, comprising a frame and a boiler furnace body, a lifting mechanism is installed on the top of the frame, connecting pieces are movably sleeved on the surfaces of both ends of the boiler furnace body, a supporting mechanism is installed on the surface of the frame, the supporting mechanism comprises a supporting plate, an adjusting mechanism is arranged at the bottom of the supporting plate, the adjusting mechanism comprises a horizontal plate, and a lying mechanism is installed on the top of the horizontal plate.

[0007] Preferably, the lifting mechanism includes a fixed plate, the bottom of the fixed plate is fixedly connected to the top of the frame by bolts, one side of the fixed plate is fixedly connected to a self-locking motor by bolts, the rotating shaft of the self-locking motor passes through the fixed plate and is fixedly connected to a winding roller, one end of the winding roller is rotatably embedded in one side of the fixed plate through a bearing, a steel rope is wound around the surface of the winding roller, and the end of the steel rope away from the winding roller is fixedly connected to a hook, and one end of the hook passes through the connecting piece.

[0008] Preferably, the supporting mechanism includes a connecting plate, a side of the connecting plate close to the frame is fixedly connected to the surface of the frame by bolts, there are two supporting plates, and both are rotatably connected to the inner surface of the frame by a rotating shaft, the surface of the connecting plate is rotatably connected to a hydraulic cylinder 1 by a rotating shaft, and an end of the hydraulic cylinder 1 away from the connecting plate is rotatably connected to the bottom of the support plate by a rotating shaft.

[0009] Preferably, the adjustment mechanism includes a base, the right side of the top of the base is fixedly connected to a hydraulic cylinder 2 by bolts, the upper end of the hydraulic cylinder 2 is fixedly connected to the bottom of the cross plate, and the bottom of the base and the frame are fixedly connected to double-brake casters by bolts.

[0010] Preferably, the lying mechanism includes a frame, the right side of the bottom of the frame is fixedly connected to the top of the horizontal plate by bolts, the right side of the frame is fixedly connected to a servo motor by bolts, the rotating shaft of the servo motor passes through the frame and is fixedly connected to a screw rod, the left end of the screw rod is rotatably embedded in the left side of the frame through a bearing, a movable plate is threadedly sleeved on the surface of the screw rod, and rollers are rotatably connected to the front and rear sides of the movable plate, and the surface of the roller is in contact with the surface of the frame.

[0011] Preferably, support rods are clamped on both sides of the support plate, and square grooves matching the support rods are formed on both sides of the support plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model moves the adjustment mechanism and the flat-lying mechanism out of the device, controls the retraction of the hydraulic cylinder 1 to rotate and lower the support plate, moves the device to the top of the boiler furnace body, then sets the connecting piece on the surface of the boiler furnace body, passes the lowered hook through the connecting piece, controls the operation of the self-locking motor to rotate the winding roller to wind up the steel rope, and then lifts the hook and the boiler furnace body. After the lifting is completed, the extension of the hydraulic cylinder 1 is controlled to rotate the support plate to the horizontal position, and the boiler furnace body is supported and reinforced, thereby having the advantage of being able to facilitate maintenance personnel to repair the outer surface of the boiler furnace body, thereby improving the efficiency and quality of maintenance.

[0014] 2. The utility model adjusts the height of the lying mechanism by controlling the extension and retraction of the second hydraulic cylinder, and inserts the lying mechanism into the inner cavity of the boiler furnace body so that the side of the frame contacts the inner wall of the boiler furnace body. Then the maintenance personnel can lie or sit on the moving plate, and control the operation of the servo motor to rotate the screw rod to drive the moving plate to move, thereby enabling the maintenance personnel to move inside the boiler furnace body. This has the advantage of being able to facilitate the maintenance personnel to carry out maintenance inside the boiler furnace body, without the maintenance personnel having to move difficultly inside the boiler furnace body for maintenance, thereby improving the maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a bottom-up stereoscopic schematic diagram of the utility model;

[0017] Figure 3 It is a three-dimensional schematic diagram of the lifting mechanism of the utility model;

[0018] Figure 4 It is a three-dimensional schematic diagram of the adjustment mechanism and the flat-lying mechanism of the utility model.

[0019] In the figure: 1. frame; 2. boiler furnace body; 3. lifting mechanism; 31. fixing plate; 32. self-locking motor; 33. winding roller; 34. steel rope; 35. hook; 4. connecting piece; 5. supporting mechanism; 51. supporting plate; 52. connecting plate; 53. hydraulic cylinder one; 6. adjusting mechanism; 61. base; 62. hydraulic cylinder two; 63. horizontal plate; 7. lying mechanism; 71. frame; 72. servo motor; 73. screw rod; 74. moving plate; 75. roller; 8. double-brake caster; 9. supporting rod. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 4 A new type of boiler furnace maintenance platform for a thermal power plant comprises a frame 1 and a boiler furnace body 2, a lifting mechanism 3 is installed on the top of the frame 1, surfaces at both ends of the boiler furnace body 2 are movably sleeved with connecting pieces 4, a supporting mechanism 5 is installed on the surface of the frame 1, the supporting mechanism 5 comprises a supporting plate 51, an adjusting mechanism 6 is arranged at the bottom of the supporting plate 51, the adjusting mechanism 6 comprises a horizontal plate 63, and a lying mechanism 7 is installed on the top of the horizontal plate 63.

[0021] See also Figure 1 and Figure 3The lifting mechanism 3 includes a fixing plate 31, the bottom of which is fixedly connected to the top of the frame 1 by bolts, and one side of the fixing plate 31 is fixedly connected to a self-locking motor 32 by bolts. By setting the self-locking motor 32, the winding roller 33 is driven, and at the same time, it has a self-locking function and can lock the winding roller 33. The rotating shaft of the self-locking motor 32 passes through the fixing plate 31 and is fixedly connected to the winding roller 33. One end of the winding roller 33 is rotatably embedded in one side of the fixing plate 31 through a bearing. A steel rope 34 is wound around the surface of the winding roller 33. The end of the steel rope 34 away from the winding roller 33 is fixedly connected to a hook 35, and one end of the hook 35 passes through the connecting piece 4.

[0022] See also Figure 1 and Figure 2 The supporting mechanism 5 includes a connecting plate 52. By setting the connecting plate 52, a position is provided for the installation of the hydraulic cylinder 53, so that the hydraulic cylinder 53 and the frame 1 are indirectly connected. The side of the connecting plate 52 close to the frame 1 is fixedly connected to the surface of the frame 1 by bolts. There are two supporting plates 51, and both are rotatably connected to the inner surface of the frame 1 through a rotating shaft. The surface of the connecting plate 52 is rotatably connected to the hydraulic cylinder 53 through the rotating shaft, and the end of the hydraulic cylinder 53 away from the connecting plate 52 is rotatably connected to the bottom of the supporting plate 51 through the rotating shaft.

[0023] See also Figure 1 and Figure 4 The adjusting mechanism 6 includes a base 61, and a hydraulic cylinder 2 62 is fixedly connected to the right side of the top of the base 61 by bolts. By setting the hydraulic cylinder 2 62, the height position of the lying mechanism 7 can be adjusted so that the lying mechanism 7 can be smoothly inserted into the boiler furnace body 2. The upper end of the hydraulic cylinder 2 62 is fixedly connected to the bottom of the cross plate 63. The base 61 and the bottom of the frame 1 are fixedly connected with double-brake casters 8 by bolts. By setting the double-brake casters 8, the frame 1 and the adjusting mechanism 6 are convenient to move, and have a locking function.

[0024] See also Figure 1 and Figure 4 The lying mechanism 7 includes a frame 71, the right side of the bottom of the frame 71 is fixedly connected to the top of the horizontal plate 63 by bolts, and the right side of the frame 71 is fixedly connected to a servo motor 72 by bolts. The rotating shaft of the servo motor 72 passes through the frame 71 and is fixedly connected to a screw rod 73. By setting the screw rod 73, it rotates under the drive of the servo motor 72, thereby driving the moving plate 74 to move. The left end of the screw rod 73 is rotatably embedded in the left side of the frame 71 through a bearing. The surface of the screw rod 73 is threadedly sleeved with a moving plate 74, and the front and rear sides of the moving plate 74 are rotatably connected with rollers 75. By setting the rollers 75, the moving plate 74 is supported, the force on the screw rod 73 is reduced, and the moving plate 74 moves more smoothly. The surface of the roller 75 contacts the surface of the frame 71.

[0025] See also Figure 1 Support rods 9 are clamped on both sides of the support plate 51. By setting the support rods 9, the support plate 51 is supported and reinforced, making the device safer when in use. Square grooves that are compatible with the support rods 9 are opened on both sides of the support plate 51.

[0026] When in use, the adjusting mechanism 6 and the flat mechanism 7 are moved out of the device, and the hydraulic cylinder 53 is controlled to retract to rotate and lower the support plate 51, and the device is moved to the top of the boiler furnace body 2, and then the connecting piece 4 is set on the surface of the boiler furnace body 2, and the lowered hook 35 passes through the connecting piece 4, and the operation of the self-locking motor 32 is controlled to rotate the winding roller 33 to reel the steel rope 34, and then the hook 35 and the boiler furnace body 2 are lifted. After the lifting is completed, the extension of the hydraulic cylinder 53 is controlled to rotate the support plate 51 to the horizontal position, and the boiler furnace body 2 is lifted. The support and reinforcement can facilitate maintenance personnel to inspect the outer surface of the boiler furnace body 2. The height of the lying mechanism 7 is adjusted by controlling the extension and retraction of the hydraulic cylinder 2 62, and the lying mechanism 7 is inserted into the inner cavity of the boiler furnace body 2 so that the side of the frame 71 contacts the inner wall of the boiler furnace body 2. Then the maintenance personnel can lie or sit on the movable plate 74, and control the operation of the servo motor 72 to rotate the screw rod 73 to drive the movable plate 74 to move, thereby enabling the maintenance personnel to move inside the boiler furnace body 2, which can facilitate maintenance personnel to inspect the inside of the boiler furnace body 2.

[0027] In summary: the new platform for maintenance of boiler furnace in thermal power plant, through the frame 1, lifting mechanism 3, connecting piece 4, supporting mechanism 5, adjusting mechanism 6 and lying mechanism 7, solves the problem that when maintenance is needed inside the boiler furnace, the workers need to lie in the boiler furnace and slowly move their bodies for maintenance, or sit in the boiler furnace with legs curled up and slowly move for maintenance, which causes many inconveniences during maintenance.

Claims

1. A new type of platform for overhauling boiler furnace in thermal power plant, comprising a frame (1) and a boiler furnace body (2), characterized in that: A lifting mechanism (3) is installed on the top of the frame (1); connecting pieces (4) are movably sleeved on the surfaces of both ends of the boiler furnace body (2); a supporting mechanism (5) is installed on the surface of the frame (1); the supporting mechanism (5) comprises a supporting plate (51); an adjusting mechanism (6) is arranged at the bottom of the supporting plate (51); the adjusting mechanism (6) comprises a horizontal plate (63); a lying mechanism (7) is installed on the top of the horizontal plate (63).

2. A new type of platform for overhauling boiler furnace in thermal power plant according to claim 1, characterized in that: The lifting mechanism (3) comprises a fixing plate (31), the bottom of which is fixedly connected to the top of the frame (1) by bolts, one side of the fixing plate (31) is fixedly connected to a self-locking motor (32) by bolts, the rotating shaft of the self-locking motor (32) passes through the fixing plate (31) and is fixedly connected to a winding roller (33), one end of the winding roller (33) is rotatably embedded in one side of the fixing plate (31) by a bearing, a steel rope (34) is wound around the surface of the winding roller (33), one end of the steel rope (34) away from the winding roller (33) is fixedly connected to a hook (35), and one end of the hook (35) passes through the connecting piece (4).

3. The new type of platform for overhauling boiler furnace in thermal power plant according to claim 1 is characterized by: The support mechanism (5) comprises a connecting plate (52), the side of the connecting plate (52) close to the frame (1) is fixedly connected to the surface of the frame (1) by bolts, the number of the supporting plates (51) is two, and both are rotatably connected to the inner surface of the frame (1) by a rotating shaft, the surface of the connecting plate (52) is rotatably connected to a hydraulic cylinder (53) by a rotating shaft, and the end of the hydraulic cylinder (53) away from the connecting plate (52) is rotatably connected to the bottom of the supporting plate (51) by a rotating shaft.

4. The new type of platform for overhauling boiler furnace in thermal power plant according to claim 1 is characterized by: The adjustment mechanism (6) comprises a base (61), the right side of the top of the base (61) is fixedly connected to a second hydraulic cylinder (62) by bolts, the upper end of the second hydraulic cylinder (62) is fixedly connected to the bottom of a horizontal plate (63), and the bottom of the base (61) and the frame (1) are both fixedly connected to double-brake casters (8) by bolts.

5. The new type of platform for overhauling boiler furnace in thermal power plant according to claim 1 is characterized by: The lying mechanism (7) comprises a frame (71), the right side of the bottom of the frame (71) is fixedly connected to the top of the horizontal plate (63) by bolts, the right side of the frame (71) is fixedly connected to a servo motor (72) by bolts, the rotating shaft of the servo motor (72) passes through the frame (71) and is fixedly connected to a screw rod (73), the left end of the screw rod (73) is rotatably embedded in the left side of the frame (71) through a bearing, the surface of the screw rod (73) is threadedly sleeved with a moving plate (74), the front and rear sides of the moving plate (74) are rotatably connected to rollers (75), and the surface of the rollers (75) is in contact with the surface of the frame (71).

6. The new type of platform for overhauling boiler furnace in thermal power plant according to claim 1 is characterized by: Support rods (9) are clamped on both sides of the support plate (51), and square grooves matching the support rods (9) are formed on both sides of the support plate (51).

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