A boiler superheater hoisting tool

Abstract

This utility model provides a boiler superheater hoisting tool, relating to the field of industrial hoisting technology. It includes a support frame and an auxiliary hoisting assembly. The auxiliary hoisting assembly includes an extension rod slidably connected within the support frame. Limiting holes are provided on both the support frame and the extension rod, and bolts are installed within these holes. In this utility model, by adjusting the sliding position of the extension rod within the support frame and fixing it with the bolts through the limiting holes, the hook spacing can be changed to adapt to different hoisting points, achieving flexible hoisting. A cylinder drives a moving seat to move the support block, and in conjunction with the extension and retraction of a hydraulic push rod, the clamping position is adjusted. When the hydraulic push rod extends and retracts, it pushes the first clamping jaw to rotate around the support block. Because the first tooth groove meshes with the second tooth groove, the first clamping jaw drives the second clamping jaw to rotate in the opposite direction. The two work together to form a multi-point stable clamping of the superheater, achieving flexible adaptation of the hoisting point, multi-point stable clamping of the workpiece to prevent deformation, and improving operational safety and efficiency.

Description

Technical Field

[0001] This utility model relates to the field of industrial hoisting technology, and in particular to a boiler superheater hoisting tool. Background Technology

[0002] Boiler superheater hoisting tools are used during the installation and maintenance of boiler superheaters to ensure the safety and accuracy of equipment hoisting. Traditional hoisting methods often face problems such as inaccurate equipment alignment and poor hoisting stability, which can easily lead to installation difficulties or equipment damage. Therefore, specialized hoisting tools can improve hoisting efficiency, ensure the installation quality of boiler superheaters, reduce human error, and improve the service life and operational safety of the equipment.

[0003] However, in actual use, the following shortcomings still exist. For example, existing boiler superheater hoisting tools cannot achieve flexible adaptation of hoisting points, multi-point stable clamping of workpieces to prevent deformation, and improve operational safety and efficiency. The inability to flexibly adapt hoisting points will lead to a mismatch between the tools and the superheater hoisting position, resulting in only a barely achievable hoisting, which can easily cause uneven force and potentially cause the superheater to tilt or fall. The lack of multi-point stable clamping of workpieces makes them prone to shaking and collision during hoisting, leading to deformation, affecting subsequent installation accuracy and boiler operating efficiency, and even requiring rework and repair, increasing costs. Operational safety is greatly reduced, which can easily lead to safety accidents, endanger personnel safety, and is also inefficient, prolonging the construction period and affecting the overall project progress.

[0004] Therefore, this utility model proposes a boiler superheater hoisting tool to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a boiler superheater hoisting tool.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a boiler superheater hoisting tool, including a support frame, and further comprising:

[0007] An auxiliary hoisting assembly includes an extension rod slidably connected within a support frame. Limiting holes are provided on both the support frame and the extension rod, and bolts are installed in the limiting holes. A hook is provided on the extension rod.

[0008] A multi-point clamping assembly includes a bracket connected to the bottom of a support frame, a cylinder mounted on the bracket, a movable seat connected to the output end of the cylinder, a support block connected to the movable seat, a hydraulic push rod on the bracket, a first gripper on the output end of the hydraulic push rod, the first gripper having a first tooth groove, the first gripper being rotatably connected to the support block, and a second gripper being rotatably connected to the support block near the first gripper, the second gripper having a second tooth groove near the first tooth groove, the first tooth groove engaging with the second tooth groove.

[0009] Furthermore, a fixing block is connected to the extension rod, and the hook is connected to the fixing block.

[0010] The beneficial effects of adopting the above-mentioned further solution are: the fixing block on the extension rod plays a connecting role, which securely installs the hook on the extension rod. When the extension rod is adjusted, the fixing block moves with it, which drives the hook to change position synchronously, ensuring that the hook is firmly connected to the extension rod, preventing the hook from loosening and falling off during hoisting, and ensuring hoisting stability.

[0011] Furthermore, a lifting ring is connected to the top side of the support frame.

[0012] The beneficial effects of adopting the above-mentioned further solution are: the lifting ring on one side of the top of the support frame is the key stress point for the overall hoisting. The external lifting equipment is connected to the tool through the lifting ring. During hoisting, the lifting ring transmits the tension of the lifting equipment to the support frame and then distributes it to each component, so that the entire tool and the superheater being hoisted can be raised and lowered smoothly, providing the main force support for the hoisting.

[0013] Furthermore, a mounting plate is connected to the bracket, and the hydraulic push rod is mounted on the mounting plate.

[0014] The beneficial effects of adopting the above-mentioned further solution are: the mounting plate on the bracket provides a fixed foundation for the hydraulic push rod, and the hydraulic push rod is stably installed on the bracket. During operation, the mounting plate bears the reaction force generated by the extension and retraction of the hydraulic push rod, preventing it from shaking or displacing, ensuring that the output force of the hydraulic push rod is stably transmitted to subsequent components, and ensuring reliable clamping action.

[0015] Furthermore, the output end of the hydraulic push rod is connected to a connecting block, and a limit groove is formed on the first gripper.

[0016] The beneficial effect of adopting the above-mentioned further solution is that the connecting block at the output end of the hydraulic push rod slides into the limiting groove of the first gripper.

[0017] Furthermore, the connecting block is slidably connected within the limiting groove.

[0018] The beneficial effects of adopting the above-mentioned further solution are: when the hydraulic push rod extends or retracts, the connecting block slides in the limiting groove, converting the thrust into the rotational force of the first gripper. At the same time, the limiting groove restricts the movement trajectory of the connecting block, ensuring the precise rotation of the first gripper.

[0019] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0020] In this utility model, when the lifting tool is in operation, the auxiliary lifting component adjusts the sliding position of the extension rod within the support frame, uses the limiting hole and bolts for fixation, and changes the hook spacing to adapt to different lifting points, achieving flexible lifting. In the multi-point clamping component, the cylinder drives the moving seat to move the support block, and in conjunction with the extension and retraction of the hydraulic push rod, adjusts the clamping position. When the hydraulic push rod extends and retracts, it pushes the first clamping jaw to rotate around the support block. Because the first tooth groove and the second tooth groove mesh, the first clamping jaw drives the second clamping jaw to rotate in the opposite direction. The two work together to form a multi-point stable clamping of the superheater, realizing flexible adaptation of the lifting point, multi-point stable clamping of the workpiece to prevent workpiece deformation, and improving operational safety and efficiency. Attached Figure Description

[0021] Figure 1 This is a structural schematic diagram of a boiler superheater hoisting tool according to the present invention;

[0022] Figure 2 This is a schematic diagram of the auxiliary hoisting component structure of a boiler superheater hoisting tool according to the present invention;

[0023] Figure 3 This is a schematic diagram of the multi-point clamping assembly structure of a boiler superheater hoisting tool according to the present invention;

[0024] Figure 4 This is a bottom view of the multi-point clamping assembly structure of a boiler superheater hoisting tool according to this utility model;

[0025] Figure 5 This is a structural breakdown diagram of the multi-point clamping assembly of a boiler superheater hoisting tool according to this utility model.

[0026] Figure label:

[0027] 1. Support frame;

[0028] 2. Auxiliary hoisting components; 21. Extension rod; 22. Limiting hole; 23. Bolt; 24. Fixing block; 25. Hook; 26. Lifting ring;

[0029] 3. Multi-point clamping assembly; 31. Bracket; 32. Cylinder; 33. Movable seat; 34. Support block; 35. Mounting plate; 36. Hydraulic push rod; 37. Connecting block; 38. First gripper; 39. Limiting groove; 310. First tooth groove; 311. Second gripper; 312. Second tooth groove. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] like Figures 1-5 As shown, this embodiment provides a technical solution: a boiler superheater hoisting tool, including a support frame 1, and further comprising:

[0032] The auxiliary hoisting assembly 2 includes an extension rod 21 that is slidably connected in the support frame 1. Limiting holes 22 are provided on both the support frame 1 and the extension rod 21. Bolts 23 are provided in the limiting holes 22. Hooks 25 are provided on the extension rod 21.

[0033] The multi-point clamping assembly 3 includes a bracket 31 connected to the bottom of the support frame 1. A cylinder 32 is mounted on the bracket 31, and a movable seat 33 is connected to the output end of the cylinder 32. A support block 34 is connected to the movable seat 33. A hydraulic push rod 36 is provided on the bracket 31, and a first gripper 38 is provided at the output end of the hydraulic push rod 36. The first gripper 38 has a first toothed groove 310 and is rotatably connected to the support block 34. A second gripper 311 is rotatably connected to the support block 34 near the first gripper 38. A second toothed groove 312 is provided on the second gripper 311 near the first toothed groove 310. The first toothed groove 310 and the second toothed groove 312 mesh. When this lifting tool is working... The auxiliary lifting assembly 2 adjusts the sliding position of the extension rod 21 within the support frame 1, and uses the limiting hole 22 and bolt 23 for fixation. It also changes the spacing of the hooks 25 to adapt to different lifting points, achieving flexible lifting. In the multi-point clamping assembly 3, the cylinder 32 drives the moving seat 33 to move the support block 34, and coordinates with the extension and retraction of the hydraulic push rod 36 to adjust the clamping position. When the hydraulic push rod 36 extends and retracts, it pushes the first gripper 38 to rotate around the support block 34. Because the first tooth groove 310 and the second tooth groove 312 mesh, the first gripper 38 drives the second gripper 311 to rotate in the opposite direction. The two work together to form a multi-point stable clamping of the superheater, achieving flexible adaptation of lifting points and multi-point stable clamping of the workpiece to prevent workpiece deformation, thus improving operational safety and efficiency.

[0034] like Figures 1-2As shown, a fixing block 24 is connected to the extension rod 21, and a hook 25 is connected to the fixing block 24. The fixing block 24 on the extension rod 21 serves as a connection, firmly installing the hook 25 on the extension rod 21. When the extension rod 21 is adjusted, the fixing block 24 moves with it, causing the hook 25 to change position synchronously, ensuring that the hook 25 is firmly connected to the extension rod 21, preventing the hook 25 from loosening and falling off during hoisting, and ensuring hoisting stability. A lifting ring 26 is connected to one side of the top of the support frame 1. The lifting ring 26 on one side of the top of the support frame 1 is the key stress point for the overall hoisting. External hoisting equipment is connected to the tool through the lifting ring 26. During hoisting, the lifting ring 26 transmits the pulling force of the hoisting equipment to the support frame 1, and then distributes it to each component, so that the entire tool and the hoisted superheater can be raised and lowered smoothly, providing the main force support for hoisting.

[0035] like Figure 1 as well as Figures 3-5 As shown, a mounting plate 35 is connected to the bracket 31, and a hydraulic push rod 36 is mounted on the mounting plate 35. The mounting plate 35 on the bracket 31 provides a fixed base for the hydraulic push rod 36, stably mounting the hydraulic push rod 36 on the bracket 31. During operation, the mounting plate 35 bears the reaction force generated by the extension and retraction of the hydraulic push rod 36, preventing it from shaking or shifting, ensuring that the output force of the hydraulic push rod 36 is stably transmitted to subsequent components, and ensuring reliable clamping action. A connecting block 37 is connected to the output end of the hydraulic push rod 36. A limit groove 39 is opened on the first gripper 38. The connecting block 37 at the output end of the hydraulic push rod 36 slides in cooperation with the limit groove 39 of the first gripper 38. The connecting block 37 is slidably connected in the limit groove 39. When the hydraulic push rod 36 extends and retracts, the connecting block 37 slides in the limit groove 39, converting the thrust into the rotational force of the first gripper 38. At the same time, the limit groove 39 restricts the movement trajectory of the connecting block 37, ensuring that the first gripper 38 rotates accurately.

[0036] Working principle:

[0037] like Figures 1-5As shown, firstly, in the auxiliary lifting assembly 2, the extension rod 21 changes position by telescoping within the support frame 1. After adjustment, it is fixed with bolts 23 using limiting holes 22. The fixing block 24 on the extension rod 21 securely connects the hooks 25, which move synchronously with the extension rod 21, allowing for flexible adjustment of the hook spacing to accommodate different workpiece lifting point distributions. During lifting, the external lifting equipment transmits tension through the lifting ring 26 at the top of the support frame 1, evenly distributing the force to each hook 25 to ensure smooth lifting and lowering of the workpiece. The multi-point clamping assembly 3 achieves stable clamping through multi-stage transmission. The cylinder 32 on the bracket 31 drives the moving seat 33, which, in conjunction with the telescoping of the hydraulic push rod 36, drives the support block 34 to move horizontally as a whole, adjusting the relative position of the clamping mechanism and the workpiece. The mounting plate 35 on the frame 31 fixes the hydraulic push rod 36. Its output end is connected to the limiting groove 39 of the first gripper 38 through the connecting block 37. When the hydraulic push rod 36 extends and retracts on its own, the connecting block 37 slides in the limiting groove 39, converting the linear thrust into the rotational force of the first gripper 38 around the support block 34. The limiting groove 39 also constrains the movement trajectory to ensure rotational accuracy. Since the first tooth groove 310 of the first gripper 38 and the second tooth groove 312 of the second gripper 311 mesh with each other, when the first gripper 38 rotates, it drives the second gripper 311 to rotate in the opposite direction, forming a counter-clamping action. Multiple sets of grippers work together to achieve multi-point fixation of the superheater, avoiding uneven force on the workpiece and deformation, and finally achieving stable clamping and precise position control of the workpiece during hoisting.

[0038] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A boiler superheater hoisting tool, comprising a support frame (1), characterized in that, Also includes: The auxiliary hoisting assembly (2) includes an extension rod (21) slidably connected in the support frame (1). The support frame (1) and the extension rod (21) are provided with limit holes (22). Bolts (23) are provided in the limit holes (22). Hooks (25) are provided on the extension rod (21). A multi-point clamping assembly (3) includes a bracket (31) connected to the bottom of a support frame (1), a cylinder (32) mounted on the bracket (31), a movable seat (33) connected to the output end of the cylinder (32), a support block (34) connected to the movable seat (33), a hydraulic push rod (36) provided on the bracket (31), a first gripper (38) provided at the output end of the hydraulic push rod (36), a first tooth groove (310) provided on the first gripper (38), the first gripper (38) being rotatably connected to the support block (34), a second gripper (311) being rotatably connected to the side of the support block (34) near the first gripper (38), a second tooth groove (312) being provided on the side of the second gripper (311) near the first tooth groove (310), and the first tooth groove (310) meshing with the second tooth groove (312).

2. The boiler superheater hoisting tool according to claim 1, characterized in that: A fixing block (24) is connected to the extension rod (21), and the hook (25) is connected to the fixing block (24).

3. The boiler superheater hoisting tool according to claim 1, characterized in that: A lifting ring (26) is connected to the top side of the support frame (1).

4. The boiler superheater hoisting tool according to claim 1, characterized in that: The bracket (31) is connected to the mounting plate (35), and the hydraulic push rod (36) is mounted on the mounting plate (35).

5. A boiler superheater hoisting tool according to claim 1, characterized in that: The output end of the hydraulic push rod (36) is connected to a connecting block (37), and a limit groove (39) is provided on the first gripper (38).

6. A boiler superheater hoisting tool according to claim 5, characterized in that: The connecting block (37) is slidably connected in the limiting groove (39).

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