Lifting platform for overhauling furnace of thermal power generation boiler

Abstract

The lifting platform comprises a supporting seat, moving wheels are arranged at the four corners of the bottom of the supporting seat, a driving box is arranged in the middle of the upper surface of the supporting seat, and a stand column is rotationally connected to the driving box. And a driving mechanism used for driving the stand column to rotate is arranged in an inner cavity of the driving box, a sliding barrel is slidably connected to the stand column, and a lifting plate is fixedly connected to one side of the sliding barrel. According to the lifting platform for overhauling the hearth of the thermal power generation boiler, through the arranged moving wheels 2, the lifting platform can be conveniently moved to the position where the lifting platform needs to be placed, a hydraulic cylinder 4 is started, and a fixing base 5 moves downwards to make contact with the ground, so that the lifting platform is fixed and limited, and the shaking phenomenon in the working process is prevented; and therefore, the stability of the device is enhanced, and the situation that equipment moves during operation is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of thermal power generation, and in particular relates to a lifting platform used for overhauling a furnace of a thermal power generation boiler. Background Art

[0002] Thermal power generation is a way of generating electricity by using the heat energy generated by the combustion of combustibles and converting it into electricity through a power generation device. China is rich in coal resources. In 1990, it produced 1.09 billion tons of coal, of which only 12% was used for power generation. Thermal power generation still has great potential.

[0003] The prior art has the following deficiencies: the prior art power generation boiler furnace maintenance lifting platform has poor stability when in use, and the device may shake during operation, which poses a safety hazard and is not conducive to the work. In addition, the existing power generation boiler furnace maintenance lifting platform can only realize the lifting function of the platform, and has poor flexibility, thereby affecting work efficiency and being not conducive to people's use. Utility Model Content

[0004] The utility model aims to provide a lifting platform for overhauling a furnace of a thermal power generation boiler, so as to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a lifting platform for overhauling the furnace of a thermal power boiler, comprising a support seat, movable wheels are arranged at the four corners of the bottom of the support seat, a drive box is arranged at the middle part of the upper surface of the support seat, a column is rotatably connected to the drive box, and a driving mechanism for driving the column to rotate is arranged in the inner cavity of the drive box, a slide cylinder is slidably connected to the column, a lifting plate is fixedly connected to one side of the slide cylinder, a height adjustment mechanism is arranged between the lifting plate and the column, a platform is arranged on the upper surface of the lifting plate, a ladder is arranged on one side of the platform, hydraulic cylinders are installed at the four corners of the top of the drive box, the bottom of the hydraulic cylinder extends to the bottom of the support seat and is provided with a fixed seat, and the hydraulic rod of the hydraulic cylinder is slidably connected to the support seat.

[0006] Preferably, the driving mechanism comprises a first motor, a shaft of the first motor is connected to a first gear, a second gear is meshed with the first gear, and the second gear is sleeved on a column.

[0007] Preferably, the drive box is provided with a mounting cavity, the first motor, the first gear and the second gear are all arranged in the mounting cavity, and the column is rotatably connected to the drive box through a bearing.

[0008] Preferably, the height adjustment mechanism includes a rack and a worm wheel, the rack is vertically fixed to one side of the column, the worm wheel is rotatably connected to the rack, and the worm wheel is meshed with the rack, a worm is rotatably connected to the worm wheel, the worm is meshed with the worm wheel, and one end of the worm is connected to a second motor, and the second motor is fixed inside the lifting plate.

[0009] Preferably, a mounting groove with upper and lower openings is provided on one side of the lifting plate, the worm gear is installed in the mounting groove, and the worm gear is rotatably connected to the inner wall of the mounting groove through a bearing, and the connection between the slide cylinder and the lifting plate is provided with notches that are interconnected.

[0010] Preferably, both side walls of the surface of the column are provided with vertically distributed limiting grooves, and both side inner walls of the slide tube are provided with limiting blocks corresponding to the limiting grooves, and the limiting blocks are slidably connected with the limiting grooves.

[0011] The utility model provides a lifting platform for overhauling a furnace of a thermal power generation boiler, which has the following advantages:

[0012] 1. This kind of lifting platform for overhauling the furnace of a thermal power generation boiler facilitates the movement of the device to the position where it needs to be placed by means of the movable wheels 2, and the hydraulic cylinder 4 is started to make the fixed seat 5 move downward to contact the ground, thereby fixing and limiting the device to prevent shaking during operation, thereby enhancing the stability of the device, avoiding the movement of the equipment during operation, and improving the safety factor of the staff during operation and the practicality of the equipment. The ladder 12 is provided to facilitate the staff to enter the platform 13, and the height adjustment mechanism is provided to facilitate the adjustment of the height of the platform 13, and under the action of the driving mechanism and the column 6, the platform 13 is convenient to rotate, so as to facilitate the adjustment of the position of the platform 13 without moving the support seat 1, which greatly improves the flexibility of the device, greatly reduces the difficulty of overhauling the boiler furnace, and improves the work efficiency.

[0013] 2. This is a lifting platform for inspecting the furnace of a thermal power generation boiler. By starting the first motor 15, the first gear 16 drives the second gear 17 to rotate, thereby rotating the column 6, so that the position of the platform 13 changes, thereby realizing the adjustment of the position of the platform 13 without moving the support base 1. The degree of automation is high and the labor intensity is reduced. By starting the second motor 18, the worm 11 rotates, thereby rotating the worm wheel 10, so that the worm wheel 10 moves up and down on the rack 7, and under the action of the slide 9, the stability of the lifting plate 8 when moving is improved, thereby realizing the adjustment of the height of the platform 13, and the coordination between the worm 11, the worm wheel 10 and the rack 7 improves the stability, and is conducive to the precise adjustment of the height of the platform 13. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

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

[0016] Figure 2 This is a schematic diagram of the structure of the drive box in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the height adjustment mechanism in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the lifting plate and the slide cylinder in the utility model;

[0019] Explanation of marks in the figure: 1. Support seat; 2. Moving wheel; 3. Drive box; 4. Hydraulic cylinder; 5. Fixed seat; 6. Column; 7. Rack; 8. Lifting plate; 9. Slide; 10. Worm gear; 11. Worm; 12. Ladder; 13. Platform; 14. Installation cavity; 15. First motor; 16. First gear; 17. Second gear; 18. Second motor; 19. Limiting groove; 20. Limiting block; 21. Installation groove. DETAILED DESCRIPTION

[0020] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0024] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of the utility model, a lifting platform for overhauling a furnace of a thermal power generation boiler, in conjunction with the accompanying drawings.

[0026] like Figure 1-4As shown, the utility model is a lifting platform for overhauling the furnace of a thermal power generation boiler, comprising a support seat 1, movable wheels 2 are arranged at the four corners of the bottom of the support seat 1, a driving box 3 is arranged at the middle part of the upper surface of the support seat 1, a column 6 is rotatably connected to the driving box 3, and a driving mechanism for driving the column 6 to rotate is arranged in the inner cavity of the driving box 3, a slide cylinder 9 is slidably connected to the column 6, a lifting plate 8 is fixedly connected to one side of the slide cylinder 9, a height adjustment mechanism is arranged between the lifting plate 8 and the column 6, a platform 13 is arranged on the upper surface of the lifting plate 8, a ladder 12 is arranged on one side of the platform 13, hydraulic cylinders 4 are installed at the four corners of the top of the driving box 3, the bottom of the hydraulic cylinder 4 extends to the bottom of the support seat 1 and is provided with a fixed seat 5, and the hydraulic rod of the hydraulic cylinder 4 is connected to the support seat 1 sliding connection, when in use, the device is conveniently moved to the position where it needs to be placed through the provided moving wheels 2, and the hydraulic cylinder 4 is started to make the fixed seat 5 move downward to contact the ground, so as to fix and limit the device to prevent shaking during the working process, thereby enhancing the stability of the device, and the provided ladder 12 is convenient for the staff to enter the platform 13, and the height of the platform 13 is conveniently adjusted through the setting of the height adjustment mechanism, and the platform 13 is conveniently rotated under the action of the driving mechanism and the column 6, so as to facilitate the position of the platform 13 without moving the supporting seat 1, which greatly improves the flexibility of the device, greatly reduces the difficulty of boiler furnace maintenance, and improves work efficiency.

[0027] The driving mechanism includes a first motor 15, the shaft of the first motor 15 is connected to a first gear 16, the second gear 17 is meshed with the first gear 16, and the second gear 17 is sleeved on the column 6. By starting the first motor 15, the first gear 16 drives the second gear 17 to rotate, thereby rotating the column 6, thereby changing the position of the platform 13, thereby realizing the adjustment of the position of the platform 13 without moving the support base 1, with a high degree of automation and reduced labor intensity. A mounting cavity 14 is provided on the drive box 3, and a first motor 15, a first gear 16 and a second gear 17 are all arranged in the mounting cavity 14, and the column 6 is rotatably connected to the drive box 3 through a bearing, and the height adjustment mechanism includes a rack 7 and a worm wheel 10, the rack 7 is vertically fixed to one side of the column 6, the worm wheel 10 is rotatably connected to the rack 7, and the worm wheel 10 is meshed with the rack 7, a worm 11 is rotatably connected to the worm wheel 10, the worm 11 is meshed with the worm wheel 10, and one end of the worm 11 is connected to the second motor 18, and the second motor 18 is fixed inside the lifting plate 8, and by starting the second motor 18, the worm 11 is rotated, thereby the worm wheel 10 is rotated, so that the worm wheel 10 moves up and down on the rack 7, and under the action of the slide 9, the stability of the lifting plate 8 when moving is improved, thereby realizing the adjustment of the height of the platform 13, and through the cooperation between the worm 11, the worm wheel 10 and the rack 7, the stability is improved, and it is also beneficial to the precise adjustment of the height of the platform 13. A mounting groove 21 with upper and lower openings is provided on one side of the lifting plate 8. The worm wheel 10 is installed in the mounting groove 21, and the worm wheel 10 is rotatably connected to the inner wall of the mounting groove 21 through a bearing. The connection between the slide 9 and the lifting plate 8 is provided with interconnected gaps, and the setting of the gaps facilitates the connection of the worm wheel 10 with the rack 7. The two side walls of the surface of the column 6 are provided with vertically distributed limit grooves 19. The inner walls on both sides of the slide 9 and the limit grooves 19 are provided with limit blocks 20 corresponding to the limit grooves 19. The limit blocks 20 are slidably connected to the limit grooves 19. Through the cooperation between the limit blocks 20 and the limit grooves 19, the connection between the slide 9 and the column 6 is more stable.

[0028] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A lifting platform for overhauling a furnace of a thermal power generation boiler, characterized in that: The invention comprises a support base (1), wherein movable wheels (2) are arranged at the four corners of the bottom of the support base (1), a driving box (3) is arranged in the middle part of the upper surface of the support base (1), a column (6) is rotatably connected to the driving box (3), and a driving mechanism for driving the column (6) to rotate is arranged in the inner cavity of the driving box (3), a slide cylinder (9) is slidably connected to the column (6), a lifting plate (8) is fixedly connected to one side of the slide cylinder (9), a height adjustment mechanism is arranged between the lifting plate (8) and the column (6), a platform (13) is arranged on the upper surface of the lifting plate (8), and a ladder (12) is arranged on one side of the platform (13), hydraulic cylinders (4) are installed at the four corners of the top of the driving box (3), the bottom of the hydraulic cylinder (4) extends to the bottom of the support base (1) and is provided with a fixed seat (5), and the hydraulic rod of the hydraulic cylinder (4) is slidably connected to the support base (1).

2. A lifting platform for overhauling a furnace of a thermal power generation boiler according to claim 1, characterized in that: The driving mechanism comprises a first motor (15), the shaft of the first motor (15) is connected to a first gear (16), a second gear (17) is meshed with the first gear (16), and the second gear (17) is sleeved on the column (6).

3. A lifting platform for overhauling a furnace of a thermal power generation boiler according to claim 2, characterized in that: The drive box (3) is provided with a mounting cavity (14), the first motor (15), the first gear (16) and the second gear (17) are all arranged in the mounting cavity (14), and the column (6) is rotatably connected to the drive box (3) via a bearing.

4. The lifting platform for overhauling the furnace of a thermal power generation boiler according to claim 1 is characterized in that: The height adjustment mechanism comprises a rack (7) and a worm wheel (10), wherein the rack (7) is vertically fixed to one side of the column (6), the worm wheel (10) is rotatably connected to the rack (7), and the worm wheel (10) and the rack (7) are meshed with each other, a worm (11) is rotatably connected to the worm wheel (10), the worm (11) is meshed with the worm wheel (10), and one end of the worm (11) is connected to a second motor (18), and the second motor (18) is fixed inside the lifting plate (8).

5. A lifting platform for overhauling a furnace of a thermal power generation boiler according to claim 4, characterized in that: A mounting groove (21) with upper and lower openings is provided on one side of the lifting plate (8), the worm wheel (10) is installed in the mounting groove (21), and the worm wheel (10) is rotatably connected to the inner wall of the mounting groove (21) via a bearing, and mutually communicating notches are provided at the connection between the slide cylinder (9) and the lifting plate (8).

6. The lifting platform for overhauling the furnace of a thermal power generation boiler according to claim 1 is characterized in that: Both side walls of the surface of the column (6) are provided with vertically distributed limiting grooves (19), and limiting blocks (20) are provided on the inner walls of both sides of the slide cylinder (9) corresponding to the limiting grooves (19), and the limiting blocks (20) are slidably connected to the limiting grooves (19).

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