Special tool for conveniently hoisting tube bundle and header on heating surface of boiler in place
A specialized tool with symmetrical load-bearing components and K-shaped supports improves the efficiency and safety of lifting and positioning boiler heat transfer surfaces, addressing inefficiencies and safety concerns in existing methods.
Patent Information
- Application Number
- CN202421847209.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The existing boiler heating surface is inefficient, long and unsafe during lifting, which affects the progress of the project.
A special tool including a load-bearing component and a lifting component is designed. The load-bearing component consists of a first stress-bearing end, a second stress-bearing end and a connecting end. The lifting component is connected to the lifting hole through a lifting plate, and is supplemented with a reinforcement to form a K-shaped support structure for lifting the boiler heating surface pipe line and the container.
It improves the lifting efficiency and safety of the boiler heating surface pipes and containers, reduces equipment damage, and ensures construction safety.
Smart Images

Figure CN223102476U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hoisting tools, in particular to a special tool for conveniently hoisting and positioning the tube bank and header of the boiler heating surface. Background Technique
[0002] As a coal-fired boiler in a thermal power plant, the boiler heating surface is an important part of the boiler. The quality of the boiler heating surface is huge, ranging from several thousand tons to over ten thousand tons depending on the unit. It includes a water wall system, a economizer system, a superheater system, a reheater system, etc. According to past projects, the work of unloading and hoisting the heating surface is large, the hoisting and positioning efficiency is low, the time is long, and unsafe phenomena occur during the hoisting process, seriously affecting the smooth progress of the project and the completion of the construction plan.
[0003] Therefore, how to improve the hoisting and positioning efficiency and speed of the boiler heating surface and avoid damaging the equipment during the hoisting process has become a problem that must be solved. Content of the Utility Model
[0004] Based on this, the purpose of the utility model is to provide a special tool for conveniently hoisting and positioning the tube bank and header of the boiler heating surface to solve the technical problems mentioned in the above background.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a special tool for conveniently hoisting and positioning the tube bank and header of the boiler heating surface, including a load-bearing component. The load-bearing component includes a first stress end arranged above, and second stress ends are symmetrically arranged below the first stress end. A connecting end is fixedly connected at the central position between the first stress end and the second stress end. Hoisting components are installed at the top of the first stress end and the bottom of the second stress end. The hoisting component includes a hanging plate welded to the end face of the first stress end, and a hanging hole for connecting hoisting equipment is penetrated through the hanging plate.
[0006] By adopting the above technical scheme, the special tool has the advantages of simple structure, convenient use, improved installation efficiency and construction safety.
[0007] The utility model is further arranged such that there are two groups of the load-bearing components, and the two groups of load-bearing components are symmetrically arranged and fixedly connected by welding.
[0008] By adopting the above technical scheme, it has the effect of assisting in installing the load-bearing component.
[0009] The utility model is further arranged such that there are multiple groups of the hoisting components, and the multiple groups of hoisting components are spaced and distributed at the welding positions of the two groups of load-bearing components.
[0010] By adopting the above technical scheme, it has the effect of sharing the longitudinal load.
[0011] The present utility model is further configured such that the load-bearing limit of a single set of the hoisting components is 10T, and the hoisting components are made of steel plates.
[0012] By adopting the above technical solution, the effect of ensuring the rigidity of the hoisting components is achieved.
[0013] The present utility model is further configured such that a reinforcing portion for enhancing the load-bearing capacity of the load-bearing components is provided on the side of two sets of the load-bearing components. The reinforcing portion includes a first inclined plate fixed to the outer wall of one set of the connection ends and extending to the bottom end of one set of the first force-receiving ends, and the bottom end of the first inclined plate is fixedly connected to a second inclined plate extending to the top end of one set of the second force-receiving ends. The reinforcing portion and the side of the load-bearing components form a K-shaped support structure.
[0014] By adopting the above technical solution, the effect of increasing the load-bearing upper limit is achieved.
[0015] In summary, the present utility model mainly has the following beneficial effects:
[0016] This special tool ensures the stable hoisting of the equipment, reduces equipment damage, and improves the safety factor; this special tool has the advantages of simple structure, convenient use, improved efficiency, and construction safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;
[0018] Figure 2 is an exploded view of the present utility model.
[0019] In the figure: 1. Load-bearing component; 2. Hoisting component; 3. First force-receiving end; 4. Second force-receiving end; 5. Connection end; 6. Hanging plate; 7. Hanging hole; 8. Reinforcing portion; 9. First inclined plate; 10. Second inclined plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the accompanying drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.
[0021] The following describes the embodiments of the present utility model according to the overall structure of the present utility model.
[0022] A special tool for facilitating the hoisting and positioning of the boiler heating surface tube rows and headers, as Figure 1-2As shown in the figure, it includes a load-bearing component 1. The load-bearing component 1 includes a first stress end 3 arranged above, and second stress ends 4 are symmetrically arranged below the first stress end 3. A connecting end 5 is fixedly connected at the central position between the first stress end 3 and the second stress end 4. Hoisting components 2 are installed at the top of the first stress end 3 and the bottom of the second stress end 4. The hoisting component 2 includes a hanging plate 6 welded to the end face of the first stress end 3, and a hanging hole 7 for connecting hoisting equipment runs through the inside of the hanging plate 6;
[0023] Furthermore, in this embodiment, there are two groups of load-bearing components 1, and the two groups of load-bearing components 1 are symmetrically arranged and fixedly connected by welding.
[0024] Please refer to Figure 1-2 , there are multiple groups of hoisting components 2, and the multiple groups of hoisting components 2 are spaced and distributed at the welding positions of the two groups of load-bearing components 1. The stress upper limit of a single group of hoisting components 2 is 10T, and the hoisting components 2 are made of steel plates to achieve the function of auxiliary hoisting.
[0025] Please refer to Figure 1-2 , reinforcing parts 8 for strengthening the load-bearing capacity of the load-bearing component 1 are arranged on the sides of the two groups of load-bearing components 1. The reinforcing part 8 includes a first inclined plate 9 fixed to the outer wall of a group of connecting ends 5 and extending to the bottom end of a group of first stress ends 3, and a second inclined plate 10 fixedly connected to the bottom end of the first inclined plate 9 and extending to the top end of a group of second stress ends 4. The reinforcing part 8 and the side of the load-bearing component 1 form a K-shaped support structure to further strengthen the load-bearing component 1 and improve the load-bearing upper limit to ensure stability during load-bearing.
[0026] The working principle of the present utility model is as follows: When in use, the hanging hole 7 above the operating component 1 is tied to the crane hook with a steel wire rope. At the same time, the hanging hole 7 below the load-bearing component 1 is tied to the equipment with a steel wire rope and a manual hoist. When hoisting and positioning, the manual hoist below can be used to adjust the levelness of the equipment, which is convenient for the equipment to be positioned. After using this special tool, the speed and efficiency of the hoisting and positioning work of the pipe row and the header are greatly improved.
[0027] Although the embodiments of the present utility model have been shown and described, this specific embodiment is only an interpretation of the present utility model, and it is not a limitation of the utility model. The specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art can make modifications, substitutions and variations that do not make creative contributions to the embodiments according to needs, but as long as they are within the scope of the claims of the present utility model, they are protected by the patent law.
Claims
1. A special tool for facilitating the hoisting and positioning of the boiler heating surface tube bank and header, including a load-bearing component (1), characterized in that: The load-bearing member (1) includes a first stress-bearing end (3) disposed at the upper part, and second stress-bearing ends (4) are symmetrically disposed below the first stress-bearing end (3). A connecting end (5) is fixedly connected at the central position between the first stress-bearing end (3) and the second stress-bearing ends (4). Hoisting members (2) are installed at the top end of the first stress-bearing end (3) and the bottom end of the second stress-bearing ends (4). The hoisting member (2) includes a suspension plate (6) welded to the end face of the first stress-bearing end (3), and a suspension hole (7) for connecting hoisting equipment is penetrated through the interior of the suspension plate (6).
2. A special tool for facilitating the hoisting and positioning of the boiler heating surface tube bank and header, characterized in that: There are two sets of the load-bearing members (1), and the two sets of the load-bearing members (1) are symmetrically disposed.
3. A special tool for facilitating the hoisting and positioning of the boiler heating surface tube bank and header, characterized in that: The two sets of the load-bearing members (1) are fixedly connected by welding.
4. A special tool for conveniently hoisting and positioning the tube bank and header of the boiler heating surface, characterized in that: There are multiple sets of the hoisting members (2), and the multiple sets of the hoisting members (2) are spaced and distributed at the welding positions of the two sets of the load-bearing members (1).
5. A special tool for facilitating the hoisting and positioning of the boiler heating surface tube bank and header, characterized in that: The upper limit of the force borne by a single set of the hoisting members (2) is 10T, and the hoisting member (2) is made of steel plates.
6. A special tool for facilitating the hoisting and positioning of the boiler heating surface tube bank and header, characterized in that: Reinforcing parts (8) for enhancing the load-bearing capacity of the load-bearing members (1) are disposed at the sides of the two sets of the load-bearing members (1).
7. A special tool for facilitating the hoisting and positioning of the boiler heating surface tube bank and header, characterized in that: The reinforcing part (8) includes a first inclined plate (9) fixed to the outer wall of a set of the connecting ends (5) and extending to the bottom end of a set of the first stress-bearing ends (3), and the bottom end of the first inclined plate (9) is fixedly connected to a second inclined plate (10) extending to the top end of a set of the second stress-bearing ends (4).
8. A special tool for facilitating the hoisting and positioning of the boiler heating surface tube bank and header, characterized in that: The reinforcing part (8) and the side part of the load-bearing member (1) form a K-shaped support structure.