Power plant hearth overhauling device

Abstract

The utility model relates to the technical field of equipment maintenance auxiliary equipment, in particular to a power plant hearth maintenance device which comprises a base and a maintenance box, a plurality of climbing rods in a circumferential array are installed on the top face of the base, a lifting table is installed outside the climbing rods in a sliding mode, and a plurality of catching grooves in a uniform array are formed outside the climbing rods. The utility model has the advantages that the base is provided with the plurality of climbing rods in the circumferential array, the exterior of the base is provided with the plurality of uniformly arrayed catching grooves, the plurality of climbing rods are slidably provided with the lifting platform, the top surface and the bottom surface of the lifting platform are provided with the plurality of first fixed seats in the circumferential array, and the interior of the first fixed seats is provided with the movable seats capable of reciprocating; the hydraulic cylinders are installed on the moving seats, the buckling seats are installed at the output ends of the moving seats, and during use, the moving seats move, the buckling seats move out of the buckling grooves, the hydraulic cylinders stretch out and draw back, the buckling seats are buckled with the other buckling grooves, and the hydraulic cylinders stretch out and draw back, so that climbing of the lifting table can be achieved, and workers can conveniently overhaul different heights in a hearth.

Description

Technical Field

[0001] The utility model relates to the technical field of equipment maintenance auxiliary equipment, in particular to a furnace maintenance device for a power plant. Background Art

[0002] The function of the furnace is to ensure that the fuel burns as much as possible and to cool the flue gas temperature at the furnace outlet to a temperature that allows the convection heating surface to work safely. To this end, the furnace should have enough space and be equipped with enough heating surfaces. In addition, it should have a reasonable shape and size to facilitate cooperation with the burner, organize the aerodynamic field in the furnace, so that the flame does not stick to the wall, does not hit the wall, has a high degree of filling, and has a uniform heat load on the wall. Furnaces are widely used in power generation in power plants. After the furnace has been used for a long time, staff need to enter the furnace for maintenance to prevent accidents during work. During maintenance, scaffolding needs to be built and the furnace needs to be fully inspected, which is time-consuming and labor-intensive. The furnace is relatively small and may fall when the staff is carrying out maintenance, threatening the life safety of the staff. Based on this, the present application proposes a power plant furnace maintenance device that can solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a power plant furnace maintenance device.

[0004] The purpose of the utility model is achieved through the following technical solutions: A power plant furnace maintenance device, including a base and an inspection box, the top surface of the base is installed with a plurality of climbing rods in a circumferential array, and a lifting platform is slidably installed outside the plurality of climbing rods, and a plurality of buckle grooves in a uniform array are provided outside the plurality of climbing rods. A plurality of movable seats that can move back and forth are installed above and below the lifting platform, and their positions correspond to the positions of the plurality of climbing rods respectively. Hydraulic cylinders are installed on the plurality of movable seats, and buckle seats are installed at their output ends. The plurality of buckle seats can be buckled with any buckle groove. An overall circular edge plate is installed at the edge of the outside of the lifting platform, and circular walkways are provided above and below it. The inspection box is placed on the outside of the edge plate, and wheels that are driven to rotate by a first motor are installed on the upper and lower sides of one side of the outside of the inspection box. The two wheels are respectively installed in two circular walkways and can roll along them.

[0005] Optionally, a plurality of rollers in a circular array are mounted on the bottom surface of the base.

[0006] Optionally, the top and bottom surfaces of the lifting platform are both installed with multiple first fixed seats in a circular array, and the interiors of the multiple first fixed seats are each installed with a threaded rod that is driven to rotate by a second motor. The multiple movable seats are respectively installed in the multiple first fixed seats and are respectively threadedly engaged with the multiple threaded rods.

[0007] Optionally, mounting holes are provided at both ends of the exterior of the plurality of climbing poles.

[0008] Optionally, a second fixing seat is installed on one side of the outside of the maintenance box, and the two first motors are respectively installed on the upper and lower sides of the second fixing seat. A limiting groove is opened in the middle of the outside of the second fixing seat, and a limiting boss is installed in the middle of the outside of the edge plate, which is slidably installed in the limiting groove.

[0009] The utility model has the following advantages:

[0010] The power plant furnace maintenance device uses a base as the main body of the device, with multiple climbing rods in a circular array installed on the base, and multiple buckle grooves in a uniform array opened on the outside of the base. A lifting platform is slidably installed outside the multiple climbing rods, and multiple first fixed seats in a circular array are installed on the top and bottom surfaces of the base. A movable seat that can move back and forth is installed inside the base, and a hydraulic cylinder is installed on the movable seat, and a buckle seat is installed on the output end of the movable seat. When in use, the movable seat moves, and the buckle seat is removed from the buckle groove. The hydraulic cylinder is extended and retracted, and the buckle seat is engaged with another buckle groove. The hydraulic cylinder is extended and retracted to realize the climbing of the lifting platform, so that the staff can perform maintenance at different heights in the furnace.

[0011] There are mounting holes at both ends of the climbing pole, so that two climbing poles can be assembled together to extend the climbing height of the lifting platform.

[0012] Circular walkways are provided on the upper and lower sides of the outside of the lifting platform, and a second fixed seat is installed on one side of the outside of the maintenance box. Rotating wheels driven by motors are installed on the upper and lower sides. The two rotating wheels are installed in the two circular walkways respectively, so that the maintenance box can rotate around the circumference of the lifting platform, which is convenient for maintenance of various positions in the furnace. At the same time, a limiting boss is installed in the middle position of the outside of the lifting platform, and a limiting groove is provided on the outside of the second fixed seat. The limiting boss is installed in the limiting groove, which can limit the rotation of the maintenance box to avoid shaking during the rotation process and improve its rotation stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the overall structure of the present invention from a first perspective;

[0014] Figure 2 This is a second perspective diagram of the overall structure of the present invention;

[0015] Figure 3 For this utility model Figure 1 Schematic diagram of the internal structure;

[0016] Figure 4 This is a schematic diagram of the overall structure of the base and multiple climbing poles in the present invention;

[0017] Figure 5This is a schematic diagram of the overall structure of the lifting platform in the utility model;

[0018] Figure 6 This is a schematic diagram of the internal structure of the lifting platform in the utility model;

[0019] Figure 7 It is a schematic diagram of the overall structure of the maintenance box in the utility model.

[0020] In the figure: 1-base, 2-lifting platform, 3-climbing pole, 4-maintenance box, 5-first motor, 6-rotating wheel, 7-second motor, 8-moving seat, 9-buckle seat, 10-hydraulic cylinder, 11-roller, 12-buckle groove, 13-first fixed seat, 14-circular walkway, 15-limiting boss, 16-second fixed seat, 17-limiting groove. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0022] like Figures 1 to 7 As shown, a power plant furnace maintenance device includes a base 1 and an inspection box 4, the top surface of the base 1 is installed with multiple climbing rods 3 in a circumferential array, and a lifting platform 2 is slidably installed outside the multiple climbing rods 3, and multiple climbing rods 3 are provided with multiple buckle grooves 12 in a uniform array. Multiple reciprocating movable seats 8 are installed on the upper and lower parts of the lifting platform 2, and their positions correspond to the positions of the multiple climbing rods 3 respectively. Hydraulic cylinders 10 are installed on the multiple movable seats 8, and buckle seats 9 are installed at their output ends. Multiple buckle seats 9 can be engaged with any buckle groove 12, and an overall circular edge plate is installed at the edge of the outside of the lifting platform 2, and circular walkways 14 are provided on the upper and lower parts of the outer side of the inspection box 4. Wheels 6 driven by a first motor 5 are installed on the upper and lower parts of one side. The two wheels 6 are respectively installed in the two circular walkways 14 and can roll along them.

[0023] As an optional technical solution of the present invention, a plurality of rollers 11 in a circular array are installed on the bottom surface of the base 1. The presence of the plurality of rollers 11 makes it convenient for staff to move the position of the device.

[0024] As an optional technical solution of the present invention, the top and bottom surfaces of the lifting platform 2 are both installed with multiple first fixed seats 13 in a circular array, and the interiors of the multiple first fixed seats 13 are all installed with threaded rods that are driven to rotate by the second motor 7. The multiple movable seats 8 are respectively installed in the multiple first fixed seats 13, and are respectively threadedly matched with the multiple threaded rods. The size of the movable seat 8 is adapted to the size inside the first fixed seat 13, so that the movable seat 8 can maintain linear motion, so that the buckle seat 9 can be disengaged from the buckle groove 12, and the position of the buckle seat 9 can be raised and lowered.

[0025] As an optional technical solution of the present invention, mounting holes are provided at both ends of the exterior of the plurality of climbing poles 3, so that the plurality of climbing poles 3 can be easily assembled together to increase the climbing height of the lifting platform 2.

[0026] As an optional technical solution of the present invention, a second fixed seat 16 is installed on one side of the outside of the maintenance box 4, and the two first motors 5 are respectively installed on the upper and lower sides of the second fixed seat 16. A limiting groove 17 is opened in the middle position of the outside of the second fixed seat 16, and a limiting boss 15 is installed in the middle position of the outside of the edge plate, which is slidably installed in the limiting groove 17. After the limiting boss 15 is combined with the limiting groove 17, the movement of the maintenance box 4 can be restricted to avoid its movement jumping and affecting its rotation stability.

[0027] In summary, the features, assembly methods, usage processes and functions realized of each component in the present invention are as follows: the base 1 is used as the main body of the device, and a plurality of climbing rods 3 in a circular array are installed on the base 1, and a plurality of buckle grooves 12 in a uniform array are opened on the outside of the plurality of climbing rods 3. A lifting platform 2 is slidably installed outside the plurality of climbing rods 3, and a plurality of first fixed seats 13 in a circular array are installed on the top and bottom surfaces thereof, and a reciprocating movable seat 8 is installed inside thereof, and a hydraulic cylinder 10 is installed on the movable seat 8, and a buckle seat 9 is installed on the output end thereof. When in use, the movable seat 8 moves, and the buckle seat 9 is moved out of the buckle groove 12, and the hydraulic cylinder 10 is extended and retracted, and the buckle seat 9 is buckled with another buckle groove 12. The hydraulic cylinder 10 is extended and retracted, and the lifting platform 2 can be climbed, so that the staff can perform maintenance at different heights in the furnace. There are mounting holes at both ends of the climbing rod 3, and the two climbing rods 3 can be assembled together to extend the climbing height of the lifting platform 2. Circular walkways 14 are provided on the upper and lower sides of the outside of the lifting platform 2, and a second fixed seat 16 is installed on one side of the outside of the maintenance box 4. The upper and lower sides are equipped with rotating wheels 6 driven by a motor. The two rotating wheels 6 are respectively installed in the two circular walkways 14, so that the maintenance box 4 can rotate around the lifting platform 2, which is convenient for inspecting various positions in the furnace. At the same time, a limiting boss 15 is installed in the middle position of the outside of the lifting platform 2, and a limiting groove 17 is provided on the outside of the second fixed seat 16. The limiting boss 15 is installed in the limiting groove 17, which can limit the rotation of the maintenance box 4 to avoid shaking during the rotation process and improve its rotation stability.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power plant furnace maintenance device, characterized by: The utility model comprises a base (1) and a maintenance box (4), wherein the top surface of the base (1) is provided with a plurality of climbing rods (3) in a circular array, a lifting platform (2) is slidably provided on the outside of the plurality of climbing rods (3), a plurality of buckle grooves (12) in a uniform array are provided on the outside of the plurality of climbing rods (3), a plurality of reciprocating movable seats (8) are provided on the upper and lower parts of the lifting platform (2), and the positions of the movable seats correspond to the positions of the plurality of climbing rods (3), and a hydraulic cylinder (10) is provided on the plurality of movable seats (8), the output of which is A buckle seat (9) is installed at each end, and multiple buckle seats (9) can be buckled with any buckle groove (12). A circular edge plate is installed at the edge of the outside of the lifting platform (2), and circular walkways (14) are opened on the upper and lower sides of the edge plate. The maintenance box (4) is placed on the outside of the edge plate. A rotating wheel (6) driven by a first motor (5) is installed on the upper and lower sides of one side of the outside of the maintenance box (4). The two rotating wheels (6) are respectively installed in two circular walkways (14) and can roll along them.

2. A power plant furnace maintenance device according to claim 1, characterized in that: A plurality of rollers (11) in a circumferential array are mounted on the bottom surface of the base (1).

3. The power plant furnace maintenance device according to claim 1, characterized in that: The top and bottom surfaces of the lifting platform (2) are both installed with a plurality of first fixed seats (13) in a circumferential array, and the interiors of the plurality of first fixed seats (13) are each installed with a threaded rod driven by a second motor (7) for rotation, and the plurality of movable seats (8) are respectively installed in the plurality of first fixed seats (13) and are respectively threadedly engaged with the plurality of threaded rods.

4. The power plant furnace maintenance device according to claim 1, characterized in that: Both ends of the exterior of the plurality of climbing poles (3) are provided with mounting holes.

5. The power plant furnace maintenance device according to claim 1, characterized in that: A second fixing seat (16) is installed on one side of the exterior of the inspection box (4), and the two first motors (5) are respectively installed on the upper and lower sides of the second fixing seat (16). A limiting groove (17) is provided at the middle position of the exterior of the second fixing seat (16), and a limiting boss (15) is installed at the middle position of the exterior of the edge plate, which is slidably installed in the limiting groove (17).

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