Rapid maintenance platform for superheater in boiler

Abstract

The utility model relates to a quick maintenance platform for a superheater in a boiler, which comprises a boiler side wall and a platform, a plurality of long cross beams penetrating through the boiler side wall are arranged in the boiler, the platform is connected with the long cross beams, and notch parts are arranged at the tail ends of the long cross beams. The notch part can be matched with a first transverse guide roller and a second transverse guide rail of the frame-shaped assembly to drive the long cross beam to slide in the boiler, a limiting baffle is arranged at the outer end of the notch part, the relative distance between the first transverse guide roller and the second transverse guide rail is adjustable, and a second hydraulic push rod is arranged below the first transverse guide roller. Compared with a traditional platform, the disassembly and assembly time is greatly saved; mechanical locking is achieved through a first transverse guide roller, a second transverse guide rail, a notch part and a limiting baffle, and the safety protection effect is achieved; according to the platform, function integration can be formed in the boiler, carrying of auxiliary equipment is reduced, maintenance continuity is improved, the lifting or hoisting work time is greatly shortened, and labor and management cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of quick maintenance platform of superheater in boiler, specifically to a kind of maintenance platform of superheater area, belong to the field of boiler auxiliary equipment. BACKGROUND

[0002] The superheater in boiler is complex in structure, and a systematic maintenance scheme needs to be developed for implementation of maintenance, and the traditional maintenance platform has many drawbacks, including the following problems.

[0003] First, the existing internal maintenance platform of boiler is all from the bottom of boiler to the lower part of superheater by erecting scaffold, the height from superheater to the bottom of boiler is 30-40 meters, such a high distance needs a large number of workers to operate, and the labor consumption is large, so the existing maintenance platform has a very large amount of carrying work, a large amount of materials need to be carried from outside to the inside of boiler during installation, and the materials need to be carried from the inside of boiler to the outside of boiler during disassembly, and the scaffold disassembly process is time-consuming, therefore, the construction and disassembly of traditional maintenance platform are time-consuming and labor-consuming, which greatly affects the maintenance progress of boiler.

[0004] Secondly, due to the limited space inside the boiler and the harsh environment, a large number of personnel move around in a small space, which poses a safety hazard. Moreover, the platform maintenance materials are stacked at the bottom of the boiler, which can easily damage the boiler bottom water pipe, and the scaffold is not convenient for carrying maintenance materials.

[0005] Thirdly, the existing maintenance platform lacks safety protection, and there is a risk of falling during high-altitude operation; tools and materials are not stored conveniently, affecting the continuity of operation.

[0006] Finally, the existing maintenance platform lacks flexible adjustment function and is difficult to adapt to the maintenance needs of superheaters of different models or different positions. Therefore, the traditional maintenance platform has problems such as low efficiency, time-consuming, poor adaptability, and insufficient safety.

[0007] In addition, many existing technologies propose improvements to the inherent problems of traditional maintenance platforms, but some of the existing technologies essentially design a lifting or hoisting device (such as Chinese patents CN113277452B, CN222204615U and CN111776998B) as a maintenance platform. Due to the safety requirements of lifting or hoisting equipment, professional personnel are required to operate and cooperate, and temporary use requires additional safety evaluation, personnel training and approval procedures, which greatly increases management costs. However, if a fixed platform (such as a scaffold) that meets safety requirements is used, there is a problem of large carrying workload. In view of the above problems, a kind of quick maintenance platform of superheater in boiler is designed. UTILITY MODEL CONTENTS

[0008] The utility model wants to solve the technical problem: overcome the prior art's insufficient, provide a quick overhaul platform of superheater in boiler, through modularization design realizes the quick dismounting of overhaul platform.

[0009] A quick overhaul platform of superheater in boiler, including boiler side wall and platform, the boiler side wall is equipped with multiple long cross beams that pass through the boiler side wall, the platform is connected with the long cross beam, the long cross beam end is equipped with the notch part, the notch part can cooperate with the lateral guide roller one and lateral guide rail two and drive the long cross beam to slide in the boiler, and the outer end of the notch part is equipped with the limit baffle.

[0010] Preferably, the opposite two side walls of the boiler side wall are provided with openings for the movement of the long cross beam, the lateral guide roller one and the lateral guide rail two are arranged on the frame assembly, and the relative distance between the lateral guide roller one and the lateral guide rail two is adjustable, and the hydraulic push rod two is arranged below the lateral guide roller.

[0011] Preferably, the opposite side walls of the boiler are provided with aligned openings, and the support frame assembly is mounted on the openings, the support frame assembly comprises a door frame and a door body, the door body is closed or opened through a rotating shaft and a hydraulic push rod one, the door frame bottom is provided with a steel plate, the steel plate is provided with a driving guide roller, the long cross beam bottom is in sliding contact with the driving guide roller, and the two sides of the steel plate are further provided with vertical guide columns, and the side wall of the long cross beam is clamped by the guide columns.

[0012] Preferably, the frame assembly has a frame body, the lower end of the frame body is perpendicular to the square frame rod, the frame body and the square frame rod are fixedly connected through the inclined struts, a plurality of frame assemblies are arranged in a linear manner on the fixed assembly, the fixed assembly and the frame assembly are detachably connected through positioning holes and screws, the fixed assembly comprises two parallel transverse fixing rods and a plurality of longitudinal supporting rods, and the two ends of the longitudinal supporting rods are detachably connected with the two transverse fixing rods through the positioning holes and the screws.

[0013] Preferably, the door frame is provided with a locking assembly on both sides, the locking assembly is a pair of spring locking pins, the pin body of the spring locking pin can be pushed out and abut against the side wall of the long cross beam under the action of the spring, and the locking is realized

[0014] Preferably, the long cross beam is composed of a plurality of detachable short cross beams.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] (1) The utility model discloses the overhaul platform of superheater in boiler, realizes the quick installation of platform through the long cross beam sliding in the boiler, designs the support frame assembly, the frame assembly, the locking assembly and the fixed assembly simultaneously, forms the modularization design, realizes the quick dismounting, and the dismounting time is greatly saved compared with the traditional platform.

[0017] (2) After the completion of the building process, the function integration can be formed in the boiler, reducing the auxiliary equipment handling, improving the maintenance continuity, greatly reducing the lifting or hoisting work time, and reducing the labor and management cost.

[0018] (3) During the building process, mechanical locking is realized through the horizontal guide roller one, horizontal guide rail two, gap part and limiting baffle, which has safety protection effect and reduces the operation risk of the building process. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the installation schematic diagram of the quick maintenance platform and the boiler side wall,

[0020] Figure 2 is the structural schematic diagram of the support frame assembly, frame assembly and fixing assembly,

[0021] Figure 3 is the relative position schematic diagram of the support frame assembly, frame assembly and fixing assembly,

[0022] Figure 4 is the structural schematic diagram of the support frame assembly,

[0023] Figure 5 is the structural schematic diagram of the horizontal guide roller one and the horizontal guide rail two,

[0024] Figure 6 is the structural schematic diagram of the frame assembly. In the figure: 1, long cross beam; 2, gap part; 3, limiting baffle; 4, horizontal guide roller one; 5, horizontal guide roller two; 6, hydraulic push rod two; 7, door frame; 8, door body; 9, rotating shaft; 10, hydraulic push rod one; 11, steel plate; 12, driving guide roller; 13, guide column; 14, frame body; 15, square frame member; 16, inclined strut; 17, horizontal fixing rod; 18, longitudinal fixing rod; 19, spring locking pin. DETAILED DESCRIPTION

[0025] Example 1

[0026] As Figures 1-6As shown, the utility model discloses the maintenance platform of superheater in boiler, is equipped with multiple long beams 1 that the long beam 1 of penetrating the long beam 1 of boiler side wall is equipped in the boiler side wall, and the platform is connected with long beam 1, and the long beam 1 end is equipped with notch part 2, and notch part 2 can cooperate with lateral guide roller one 4 and lateral guide rail two 5 and drive long beam 1 to slide in the boiler, and the outer end of notch part is equipped with limit baffle 3. Lateral guide roller one 4 and lateral guide rail two 5 are arranged in parallel with each other, when installing the platform, can tightly clamp long beam 1 and make it slide forward. Meanwhile lateral guide rail one 4 below is equipped with hydraulic push rod two 6, when lateral guide rail two 5 reaches the notch part 2 of long beam 1, hydraulic push rod two 6 pushes lateral guide rail one 4 and moves upwards, pushes long beam 1 and extrudes lateral guide rail two 5, and lateral guide rail two 5 and limit baffle 3 form limit, guarantee that long beam 1 does not separate from the contact of lateral guide roller one 4 and lateral guide rail two 5.

[0027] The opening of the boiler is provided with a support frame assembly, the support frame assembly comprises a door frame 7 and a door body 8, the door body 8 is closed or opened through a rotating shaft 9 and a hydraulic push rod one 10, the bottom of the door frame 7 is provided with a steel plate 11, the steel plate 11 is provided with a driving guide roller 12, the bottom of the long beam 1 is in sliding contact with the driving guide roller 12, and the two sides of the steel plate 11 are also provided with vertical guide columns 13, and the side wall of the long beam 1 is clamped by the guide columns 13. When the long beam 1 advances, the bottom plane of the long beam 1 is in sliding contact with the driving guide roller 12, the driving guide roller 12 is provided with a driving device, and the control driving device can make the long beam 1 continuously pushed into the boiler by rotating the driving guide roller 12. The side wall of the long beam 1 can be clamped by the guide columns 13, so that the long beam 1 is in the correct direction when being pushed into the door frame 7, and deviation is avoided.

[0028] The frame assembly comprises a frame body 14, the lower end of the frame body 14 is perpendicular to a square frame rod 15, the frame body 14 and the square frame rod 15 are fixedly connected through a diagonal brace 16, a plurality of frame assemblies are arranged in a line on a fixed assembly, the fixed assembly and the frame assembly are detachably connected through positioning holes and screws, the fixed assembly comprises two horizontally arranged horizontal fixing rods 17 and a plurality of vertical supporting rods 18, and the two ends of the vertical supporting rods 18 are detachably connected to the two horizontal fixing rods 17 through the positioning holes and the screws.

[0029] The two sides of the door frame 7 are provided with locking assemblies, and the locking assemblies are a pair of spring locking pins 19.

[0030] The long beam 1 is composed of a plurality of detachable short beams, specifically three, which are referred to as front short beam, middle short beam and rear short beam.

[0031] Working process or working principle:

[0032] First, in the boiler construction, a plurality of aligned openings are formed on the opposite sides of the boiler, a platform outside the boiler is erected at the height of the openings, a support frame assembly is installed on the openings, the frame assembly and the fixing assembly are pre-installed in a modular manner, and the relative positions of the first transverse guide roller 4 and the second transverse guide roller 5 are determined. When installing the front short cross beam, the guide column 13 clamps the front short cross beam, the distance between the first transverse guide roller 4 and the second transverse guide roller 5 is adjusted, the front short cross beam is clamped, and then the driving guide roller 12 is controlled to push the front short cross beam into the boiler. Then connect the middle short cross beam with the front short cross beam, loosen the first transverse guide roller 4 and the second transverse guide roller 5, adjust the frame assembly to the middle short cross beam, and repeat the above operation to clamp the middle short cross beam and push it into the boiler. The same operation is repeated when installing the rear short cross beam. When the three section short cross beams are all pushed into the boiler, the long cross beam 1 is formed and passes out of the opposite openings of the boiler side wall, and the boiler maintenance platform composed of multiple long cross beams is erected in the boiler. At the same time, the cable channel can be pre-buried in the long cross beam to facilitate the hidden arrangement of the line.

[0033] When the maintenance is completed, the above process is reversed, the long cross beam is withdrawn by reversing the driving guide roller, and the short cross beam, the support frame assembly, the frame assembly and the fixing assembly after disassembly can be stored on the platform outside the boiler. Through the modular quick disassembly and assembly design, the disassembly and assembly time is saved compared with the traditional platform; multiple safety protection, combined with mechanical locking and intelligent monitoring, reduces the operation risk; functional integration reduces the auxiliary equipment carrying and improves the maintenance continuity.

[0034] In addition, after the multiple long cross beams are erected in the boiler, the following maintenance functions can be realized on the platform. A multifunctional integrated assembly can be provided, including a tool hanger, a part storage box and a temporary welding power supply interface integrated on the side of the platform, a foldable shielding cover is provided on the top of the platform to prevent debris from falling during maintenance, thereby achieving the purpose of the multifunctional integrated assembly. On the other hand, a safety protection assembly can also be provided, including a telescopic anti-falling guardrail around the platform, the height of the guardrail can be adjusted, including a multi-point safety belt hook, an emergency braking device and a non-slip grid plate covering the surface of the platform, and warning lights are arranged on the edge. At the same time, an intelligent monitoring system can also be provided, including a weight sensor, an inclination alarm and a camera, which can monitor the platform load and stability in real time, and can avoid problems in time. Through the wireless module and the external control terminal, remote state monitoring is realized.

[0035] In the utility model, the description of the structure direction and relative position relation, such as the description of before and after, left and right, up and down, does not constitute the limitation to the utility model, and is only convenient for description.

Claims

1. A rapid access platform for an overheat within a boiler, comprising a boiler side wall and a platform, characterised in that, The long crossbeam (1) is provided with a notch at the end, and the notch can cooperate with the transverse guide roller one (4) and the transverse guide rail two (5) to drive the long crossbeam (1) to slide in the boiler. The transverse guide roller one (4) and the transverse guide rail two (5) are arranged on the frame assembly, and the relative distance between the transverse guide roller one (4) and the transverse guide rail two (5) is adjustable. The hydraulic push rod two (6) is arranged below the transverse guide roller one (4), and the outer end of the notch is provided with a limiting baffle.

2. The rapid repair platform for the superheater in the boiler according to claim 1, characterized in that, The opposite side walls of the boiler are provided with aligned openings, and the support frame assembly is mounted on the openings. The support frame assembly comprises a door frame (7) and a door body (8). The door body (8) is closed or opened through the rotating shaft (9) and the hydraulic push rod one (10). The bottom of the door frame (7) is provided with a steel plate (11), and the steel plate (11) is provided with a driving guide roller (12). The bottom of the long crossbeam (1) is in sliding contact with the driving guide roller (12). The both sides of the steel plate (11) are also provided with vertical guide columns (13), and the side wall of the long crossbeam (1) is clamped by the guide columns (13).

3. The rapid repair platform for superheaters in boilers according to claim 2, characterized in that, The frame assembly comprises a frame body (14), and the lower end of the frame body (14) is perpendicular to the square frame rod (15). The frame body (14) and the square frame rod (15) are fixedly connected through the inclined struts (16). A plurality of frame assemblies are arranged in a linear manner on the fixed assembly. The fixed assembly and the frame assembly are detachably connected through the positioning hole and the screw. The fixed assembly comprises two transverse fixed rods (17) arranged in parallel and a plurality of longitudinal support rods (18). The both ends of the longitudinal support rod (18) are detachably connected with the two transverse fixed rods (17) through the positioning hole and the screw.

4. The quick access platform for the superheater in a boiler as claimed in claim 2 wherein, The both sides of the door frame (7) are provided with a locking assembly, which is a pair of spring locking pins (19). The pin body of the spring locking pin (19) can be pushed out and abut against the side wall of the long crossbeam (1) under the action of the spring, so as to realize locking.

5. The rapid repair platform for superheaters in boilers according to any one of claims 1-4, characterized in that, The long crossbeam (1) is composed of a plurality of detachable short crossbeams.

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