Variable-pitch bearing lifting clamp assembling device

By designing a variable pitch bearing lifting clamp assembly device, using an electric roller to control the length of the iron chain and the movement of the hook, and combining the sliding connection of the slider and the connecting piece, the problem that the variable pitch bearing lifting mechanism in the existing technology is not convenient for small-range adjustment is solved, and an efficient and convenient installation process is achieved.

CN223385772UActive Publication Date: 2025-09-26TAIZHOU XIANGTAI EQUIP ACCESSORIES CO LTD
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Patent Information

Application Number
CN202423008585.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-09-26
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The existing variable pitch bearing lifting mechanism is not convenient for small-range adjustment during installation, resulting in high labor intensity and low work efficiency.

Method used

A variable pitch bearing lifting clamp assembly device was designed, which includes an adjustment mechanism and a lifting mechanism. The chain length and hook movement are controlled by an electric roller, and the sliding connection between the slider and the connector is combined to achieve flexible adjustment of the variable pitch bearing and the wind turbine generator set.

Benefits of technology

The convenience and work efficiency of adjusting the distance between the variable pitch bearing and the wind turbine generator set are improved, the labor intensity is reduced, and the installation efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a variable pitch bearing hoisting clamp assembling device, and relates to the technical field of variable pitch bearing installment, the variable pitch bearing hoisting clamp assembling device comprises a base, the top surface of the base is provided with a stand column, the top surface of the stand column is provided with a support plate, the top surface of the support plate is detachably provided with a support block through a screw, and the support block is provided with a screw. The adjusting mechanism is arranged on the outer side of the supporting block in a sleeving mode, the adjusting mechanism comprises a supporting frame, connecting columns are arranged on the two sides of the supporting frame, and connecting plates are arranged on the top faces of the connecting columns; the lifting mechanism is used for lifting the variable-pitch bearing and is movably arranged below the supporting frame, the lifting mechanism comprises a fixing hook for hooking the variable-pitch bearing, an iron chain is detachably mounted above the fixing hook, and an electric roller for winding the iron chain is arranged at one end, far away from the fixing hook, of the iron chain. The variable-pitch bearing lifting clamp assembling device is high in stability, convenient to use and high in working efficiency, and the distance between the variable-pitch bearing and the wind generating set can be adjusted.
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Description

Technical Field

[0001] The utility model relates to the technical field of variable pitch bearing installation, in particular to a variable pitch bearing lifting clamp assembly device. Background Art

[0002] The pitch bearing is one of the core components of a wind turbine. It is responsible for connecting the rotor hub and rotor blades and controlling the windward angle of the blades, thereby controlling the speed of the wind rotor and the output power of the wind turbine. The design of this bearing allows the blades to adjust according to changes in wind speed and direction to optimize the capture and conversion efficiency of wind energy.

[0003] The existing variable pitch bearings are heavy, and a lifting mechanism is required when installing the variable pitch bearings. However, the lifting mechanism for lifting the variable pitch bearings currently uses lifting tools such as iron chains, and the lifting tools are not easy to move. During installation, when it is necessary to adjust the distance between the variable pitch bearing and the wind turbine generator set in a small range, it is necessary to readjust the support frame supporting the lifting tool, which is time-consuming and labor-intensive, and has high work efficiency.

[0004] Therefore, in order to solve the above problems, the applicant needs to design a pitch bearing lifting clamp assembly device to solve the problems. Summary of the Invention

[0005] The purpose of the utility model is to provide a pitch bearing lifting clamp assembly device to solve the problems mentioned in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a pitch bearing lifting clamp assembly device, comprising a base, a column is provided on the top surface of the base, a support plate is provided on the top surface of the column, and a support block is installed on the top surface of the support plate by screws.

[0007] The utility model further comprises: an adjusting mechanism, which is sleeved on the outer side of the supporting block, wherein the adjusting mechanism comprises a supporting frame, connecting columns are provided on both sides of the supporting frame, and a connecting plate is provided on the top surface of the connecting column;

[0008] A lifting mechanism for lifting the variable pitch bearing is movably arranged below the support frame. The lifting mechanism includes a fixed hook for hooking the variable pitch bearing. An iron chain is detachably installed above the fixed hook, and an electric roller around which the iron chain is wound is provided at one end of the iron chain away from the fixed hook.

[0009] Furthermore, a fixing screw is installed on the top surface of the connecting plate for disassembly, and one end of the fixing screw is threaded through the bottom surface of the connecting plate and extends to the interior of the connecting column.

[0010] Through the above structural design, the connecting plate and the connecting column are conveniently connected by fixing screws, thereby improving the stability of the connection between the connecting plate and the connecting column.

[0011] Furthermore, a slide groove is provided on the top surface of the support block, an extension column is fixedly provided near the center of the bottom surface of the connecting plate, a slider is fixedly provided at one end of the extension column away from the connecting plate, and the slider is slidably connected to the slide groove.

[0012] Through the above structural design, the connecting plate can be firmly connected to the slider through the extension column, the slider can be connected to the slide groove, and the slider can slide in the slide groove.

[0013] Furthermore, a hook is fixedly provided above the electric roller, and a connecting rod is detachably installed inside the hook.

[0014] Through the above structural design, the length of the chain released can be easily controlled by the electric roller, thereby controlling the height of the pitch bearing from the ground. The electric roller can be easily disassembled and installed on the connecting rod through the hook and the connecting rod.

[0015] Furthermore, connecting pieces are fixedly provided on both sides of the connecting rod, and the connecting pieces are slidably connected to the supporting frame.

[0016] With the above structural design, the connecting rod is easily installed through the connecting piece, and the connecting piece is slidably connected to the support frame, so that the distance between the variable pitch bearing and the wind turbine generator set is easily adjusted.

[0017] Furthermore, a plurality of reinforcement plates are provided on the outer side of the column, and the plurality of reinforcement plates are fixedly connected to the base.

[0018] Through the above structural design, the stability of the column is improved by the reinforcement plate, thereby improving the overall safety of the device.

[0019] Compared with the prior art, the beneficial effects of the present invention are: the variable pitch bearing lifting clamp assembly device is highly stable, can adjust the distance between the variable pitch bearing and the wind turbine generator set, is easy to use, and has high working efficiency. The specific contents are as follows:

[0020] 1. An adjustment mechanism is provided. During use, when it is necessary to adjust the distance between the variable pitch bearing and the wind turbine generator set, the connecting plate is pulled by external force, and the slider will move in the slide groove. The movement of the slider will drive the connecting plate to move, and the movement of the connecting plate will drive the connecting column to move. The movement of the connecting column will drive the support frame to move, and the movement of the support frame will drive the lifting mechanism to move. The movement of the lifting mechanism will drive the variable pitch bearing to move, thereby facilitating the adjustment of the distance between the variable pitch bearing and the wind turbine generator set. It is easy to use and has high work efficiency.

[0021] 2. A lifting mechanism is provided. When installing the pitch bearing, the hook is installed on the connecting rod, and the pitch bearing is installed on the fixed hook. After installation, the electric roller is started, and the electric roller will bring the retracted iron chain. When the iron chain drives the pitch bearing to the target height, the connecting piece is pushed by external force, and the connecting piece will slide on the support frame. The sliding of the connecting piece will drive the connecting rod to move, and the movement of the connecting rod will drive the hook to move. The movement of the hook will drive the electric roller to move. The movement of the electric roller will use the iron chain to drive the fixed hook to move, and the movement of the fixed hook will drive the pitch bearing to move, thereby adjusting the distance between the pitch bearing and the wind turbine generator set. It is easy to use and has high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 A schematic diagram of the structure enlarged in the middle;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the adjustment mechanism of the utility model;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the lifting mechanism of the utility model.

[0026] In the figure: 1. Base; 2. Adjustment mechanism; 3. Lifting mechanism; 10. Column; 11. Support plate; 12. Support block; 13. Slide; 14. Reinforcement plate; 20. Support frame; 21. Connecting column; 22. Connecting plate; 23. Fixing screw; 24. Extension column; 25. Slider; 30. Connecting piece; 31. Connecting rod; 32. Hook; 33. Electric roller; 34. Chain; 35. Fixing hook. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] like Figure 1-Figure 4As shown, a pitch bearing lifting clamp assembly device of the present invention includes a base 1, a column 10 is provided on the top surface of the base 1, a support plate 11 is provided on the top surface of the column 10, and a support block 12 is installed on the top surface of the support plate 11 by screws. A plurality of reinforcing plates 14 are provided on the outside of the column 10, and the plurality of reinforcing plates 14 are fixedly connected to the base 1, and also includes an adjusting mechanism 2, which is sleeved on the outside of the support block 12. The adjusting mechanism 2 includes a support frame 20, and two ends of the support frame 20 are fixedly connected to the base 1. A connecting column 21 is provided on both sides, and a connecting plate 22 is provided on the top surface of the connecting column 21. A fixing screw 23 is removed and installed on the top surface of the connecting plate 22, and one end of the fixing screw 23 is threaded through the bottom surface of the connecting plate 22 and extends to the inside of the connecting column 21. A slide groove 13 is provided on the top surface of the support block 12, and an extension column 24 is fixedly provided near the center of the bottom surface of the connecting plate 22. A slider 25 is fixedly provided on the end of the extension column 24 away from the connecting plate 22, and the slider 25 is slidably connected to the slide groove 13.

[0029] Through the above-mentioned structural design, during use, when it is necessary to adjust the distance between the variable pitch bearing and the wind turbine generator set, the connecting plate 22 is pulled by external force, and the slider 25 will move in the slide groove 13. The movement of the slider 25 will drive the connecting plate 22 to move, and the movement of the connecting plate 22 will drive the connecting column 21 to move. The movement of the connecting column 21 will drive the support frame 20 to move, and the movement of the support frame 20 will drive the lifting mechanism 3 to move. The movement of the lifting mechanism 3 will drive the variable pitch bearing to move, thereby facilitating the adjustment of the distance between the variable pitch bearing and the wind turbine generator set, being convenient to use, and having high work efficiency.

[0030] The lifting mechanism 3 for lifting the variable pitch bearing is movably arranged below the support frame 20. The lifting mechanism 3 includes a fixed hook 35 for hooking the variable pitch bearing. An iron chain 34 is disassembled and installed above the fixed hook 35, and an electric roller 33 around which the iron chain 34 is wound is provided at one end of the iron chain 34 away from the fixed hook 35. A hook 32 is fixedly provided above the electric roller 33, and a connecting rod 31 is disassembled and installed inside the hook 32. Connectors 30 are fixedly provided on both sides of the connecting rod 31, and the connecting members 30 are slidably connected to the support frame 20.

[0031] Through the above structural design, when installing the variable pitch bearing, the hook 32 is installed on the connecting rod 31, and the variable pitch bearing is installed on the fixed hook 35. After installation, the electric roller 33 is started, and the electric roller 33 will bring the retracted iron chain 34. When the iron chain 34 drives the variable pitch bearing to reach the target height, the connecting member 30 is pushed by external force, and the connecting member 30 will slide on the support frame 20. The sliding of the connecting member 30 will drive the connecting rod 31 to move, and the movement of the connecting rod 31 will drive the hook 32 to move. The movement of the hook 32 will drive the electric roller 33 to move. The movement of the electric roller 33 will use the iron chain 34 to drive the fixed hook 35 to move. The movement of the fixed hook 35 will drive the variable pitch bearing to move, thereby adjusting the distance between the variable pitch bearing and the wind turbine generator set. It is easy to use and has high work efficiency.

[0032] Working principle: When using the pitch bearing lifting clamp assembly device, when installing the pitch bearing, install the hook 32 on the connecting rod 31, and install the pitch bearing on the fixed hook 35. After installation, start the electric roller 33, and the electric roller 33 will bring the retracted iron chain 34. When the iron chain 34 drives the pitch bearing to reach the target height, use external force to push the connecting piece 30, and the connecting piece 30 will slide on the support frame 20. The sliding of the connecting piece 30 will drive the connecting rod 31 to move, and the movement of the connecting rod 31 will drive the hook 32 to move, and the movement of the hook 32 will drive the electric roller 33 to move, and the movement of the electric roller 33 will use The iron chain 34 drives the fixed hook 35 to move, and the movement of the fixed hook 35 will drive the variable pitch bearing to move, thereby adjusting the distance between the variable pitch bearing and the wind turbine generator set. At the same time, the connecting plate 22 is pulled by external force, and the slider 25 will move in the slide groove 13. The movement of the slider 25 will drive the connecting plate 22 to move, and the movement of the connecting plate 22 will drive the connecting column 21 to move. The movement of the connecting column 21 will drive the support frame 20 to move, and the movement of the support frame 20 will drive the lifting mechanism 3 to move. The movement of the lifting mechanism 3 will drive the variable pitch bearing to move, thereby facilitating the adjustment of the distance between the variable pitch bearing and the wind turbine generator set. It is easy to use and has high work efficiency.

[0033] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A pitch bearing lifting clamp assembly device, comprising a base (1), a column (10) being provided on the top surface of the base (1), a support plate (11) being provided on the top surface of the column (10), and a support block (12) being installed on the top surface of the support plate (11) by screws. It is characterized in that Also includes: An adjusting mechanism (2) is sleeved on the outside of the supporting block (12), the adjusting mechanism (2) comprising a supporting frame (20), connecting columns (21) being provided on both sides of the supporting frame (20), and a connecting plate (22) being provided on the top surface of the connecting column (21); A lifting mechanism (3) for lifting the variable pitch bearing is movably arranged below the support frame (20), wherein the lifting mechanism (3) comprises a fixing hook (35) for hooking the variable pitch bearing, an iron chain (34) is detachably installed above the fixing hook (35), and an electric roller (33) around which the iron chain (34) is wound is arranged at one end of the iron chain (34) away from the fixing hook (35).

2. The pitch bearing lifting clamp assembly device according to claim 1, characterized in that: A fixing screw (23) is detachably mounted on the top surface of the connecting plate (22), and one end of the fixing screw (23) is threadedly passed through the bottom surface of the connecting plate (22) and extends to the interior of the connecting column (21).

3. The pitch bearing lifting clamp assembly device according to claim 1, characterized in that: A slide groove (13) is provided on the top surface of the support block (12), an extension column (24) is fixedly provided near the center of the bottom surface of the connecting plate (22), a slider (25) is fixedly provided at one end of the extension column (24) away from the connecting plate (22), and the slider (25) is slidably connected to the slide groove (13).

4. The pitch bearing lifting clamp assembly device according to claim 1, characterized in that: A hook (32) is fixedly provided above the electric roller (33), and a connecting rod (31) is detachably installed inside the hook (32).

5. The pitch bearing lifting clamp assembly device according to claim 4, characterized in that: Connecting pieces (30) are fixedly provided on both sides of the connecting rod (31), and the connecting pieces (30) are slidably connected to the support frame (20).

6. The pitch bearing lifting clamp assembly device according to claim 1, characterized in that: A plurality of reinforcement plates (14) are provided on the outer side of the column (10), and the plurality of reinforcement plates (14) are fixedly connected to the base (1).