Tool for assembling hub and variable pitch bearing

By designing tooling for assembling hubs and pitch bearings, and utilizing drive components, adsorption components, and clamping components, the installation difficulties caused by the large size of pitch bearings were solved, thereby improving assembly efficiency and stability.

CN224102750UActive Publication Date: 2026-04-10DATANG ZOUCHENG WIND POWER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DATANG ZOUCHENG WIND POWER CO LTD
Filing Date
2025-03-04
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In the existing technology, the pitch bearing is large in size, which makes it inconvenient to adjust the position of the hub and the pitch bearing, resulting in increased installation time and easy assembly position deviation.

Method used

A tooling system including a tooling table, a drive component, an adsorption component, and a clamping component is designed. The drive component adjusts the position of the wheel hub, the adsorption component performs negative pressure adsorption, and the clamping component performs positioning and clamping, thereby improving installation efficiency and stability.

Benefits of technology

This enables efficient and stable assembly of the hub and pitch bearing, reducing installation time and positional deviations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of wind power generation, and provides a tool for assembling a hub and a variable pitch bearing, which comprises a tool table, a driving component, an adsorption component and a clamping component, the driving assembly is installed on the tool table, the adsorption assembly is installed on the driving assembly, the clamping assembly is installed on the adsorption assembly, the driving assembly comprises a fixing frame, and the end face of the fixing frame is fixedly connected with an electric slip ring structure and a driving motor. The position of the hub is adjusted, so that a worker can conveniently mount the hub at different positions, and the working efficiency of mounting the hub and the variable-pitch bearing is improved; through the arrangement of the adsorption assembly, negative pressure adsorption can be carried out on the hub, so that the stability of the hub and the variable pitch bearing during installation is improved; and through the arrangement of the clamping assembly, the hubs of different sizes can be positioned and clamped, and therefore the stability of hub installation is improved again.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to wind power generation technical field especially relates to a tool for assembling hub and variable pitch bearing. BACKGROUND

[0002] Variable pitch bearing, also known as blade bearing, is a component of modern wind turbine, used to connect rotor hub and rotor blade, bearing allows the required oscillation to control the load and power of wind turbine, variable pitch system brings blade to the required position by adjusting aerodynamic angle of attack, variable pitch system is also used for emergency interruption of turbine system, most large rolling bearings are used as variable pitch bearing, hub and variable pitch bearing are two important components in wind driven generator (especially wind turbine), hub and variable pitch bearing need to be assembled together to be used.

[0003] When assembling hub and variable pitch bearing, the position of hub and variable pitch bearing cannot be adjusted conveniently due to the large size of variable pitch bearing, which increases the installation time of staff, and the assembled hub and variable pitch bearing are also affected by shaking force, resulting in deviation of assembly position. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a tool for assembling hub and variable pitch bearing, which aims at solving the problems that the position of hub and variable pitch bearing cannot be adjusted conveniently due to the large size of variable pitch bearing when assembling hub and variable pitch bearing, which increases the installation time of staff, and the assembled hub and variable pitch bearing are also affected by shaking force, resulting in deviation of assembly position.

[0005] The utility model is such a realization, a tool for assembling hub and variable pitch bearing, including tool table, drive assembly, adsorption component and clamping component, drive assembly is installed on tool table, adsorption component is installed on drive assembly, clamping component is installed on adsorption component, drive assembly includes fixed frame, and the end surface of fixed frame is fixedly connected with electric slip ring structure and drive motor, the outer wall surface of drive motor output shaft is fixedly connected with drive gear, the outer wall surface of drive gear is engaged with transmission gear, the inner wall surface of transmission gear is fixedly connected with transmission shaft, adsorption component includes fixed disc, and the inner wall surface of fixed disc is fixedly connected with air pump structure, and the end surface of air pump structure is fixedly connected with adsorption head, clamping component includes support plate, and the outer wall surface of support plate is rotatably connected with support frame through fixed rod, the end surface of support frame is fixedly connected with support column, the inner wall surface of support column is fixedly connected with support spring, the end surface of support spring is fixedly connected with support rod, the end surface of support rod is fixedly connected with mounting frame, and the end surface of mounting frame is rotatably connected with support wheel through fixed rod.

[0006] As a further scheme of the utility model, the end surface of the tooling table is fixedly connected with a fixed leg.

[0007] As a further scheme of the utility model, the outer wall surface of the fixed frame is fixedly connected with the tooling table, the end surface of the transmission shaft is movably connected with the electric slip ring structure, and the outer wall surface of the transmission shaft is movably connected with the fixed frame.

[0008] As a further scheme of the utility model, the outer wall surface of the fixed frame is fixedly connected with the tooling table, the end surface of the transmission shaft is movably connected with the electric slip ring structure, and the outer wall surface of the transmission shaft is movably connected with the fixed frame.

[0009] As a further scheme of the utility model, the outer wall surface of the fixed frame is fixedly connected with the tooling table, the end surface of the transmission shaft is movably connected with the electric slip ring structure, and the outer wall surface of the transmission shaft is movably connected with the fixed frame.

[0010] As a further scheme of the utility model, the outer wall surface of the fixed frame is fixedly connected with the tooling table, the end surface of the transmission shaft is movably connected with the electric slip ring structure, and the outer wall surface of the transmission shaft is movably connected with the fixed frame.

[0011] The utility model provides a kind of tooling for assembling hub and variable pitch bearing, by the setting of driving assembly, to realize can rotate adsorption component, to adjust the position of hub, it is convenient for staff to install different positions of hub, improve the working efficiency of hub and variable pitch bearing installation;By the setting of adsorption component, to realize can carry out negative pressure adsorption to hub, to increase the stability when installing hub and variable pitch bearing;By the setting of clamping component, to realize can be positioned and clamped to different size hub, to increase the stability of hub installation again. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a kind of tooling for assembling hub and variable pitch bearing for the utility model embodiment to provide the stereoscopic schematic view;

[0013] Figure 2 It is a kind of tooling for assembling hub and variable pitch bearing for the utility model embodiment to provide front view cross-sectional view;

[0014] Figure 3 It is a kind of tooling for assembling hub and variable pitch bearing for the utility model embodiment to provide side view cross-sectional view.

[0015] In the drawing: 1, tooling table; 11, fixed leg; 2, driving assembly; 21, fixed frame; 22, electric slip ring structure; 23, driving motor; 24, driving gear; 25, transmission gear; 26, transmission shaft; 3, adsorption assembly; 31, fixed disc; 32, air pump structure; 33, adsorption head; 4, clamping assembly; 41, support plate; 42, support frame; 43, support column; 44, support spring; 45, support rod; 46, mounting frame; 47, support wheel. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0017] The specific implementation of the utility model will be described in detail in combination with specific examples.

[0018] As Figures 1 to 3 shown, a tool for assembling a hub and a variable pitch bearing is provided in an embodiment of the utility model, which comprises a tooling table 1, a driving assembly 2, an adsorption assembly 3 and a clamping assembly 4; the driving assembly 2 is installed on the tooling table 1, the adsorption assembly 3 is installed on the driving assembly 2, the clamping assembly 4 is installed on the adsorption assembly 3, the driving assembly 2 comprises a fixed frame 21, the end surface of the fixed frame 21 is fixedly connected with an electric slip ring structure 22 and a driving motor 23, the outer wall surface of the output shaft of the driving motor 23 is fixedly connected with a driving gear 24, the outer wall surface of the driving gear 24 is engaged with a transmission gear 25, the inner wall surface of the transmission gear 25 is fixedly connected with a transmission shaft 26, the adsorption assembly 3 comprises a fixed disc 31, the inner wall surface of the fixed disc 31 is fixedly connected with an air pump structure 32, the end surface of the air pump structure 32 is fixedly connected with an adsorption head 33, the clamping assembly 4 comprises a support plate 41, the outer wall surface of the support plate 41 is rotatably connected with a support frame 42 through a fixed rod, the end surface of the support frame 42 is fixedly connected with a support column 43, the inner wall surface of the support column 43 is fixedly connected with a support spring 44, the end surface of the support spring 44 is fixedly connected with a support rod 45, the end surface of the support rod 45 is fixedly connected with a mounting frame 46, and the end surface of the mounting frame 46 is rotatably connected with a support wheel 47 through a fixed rod.

[0019] The utility model provides a kind of for assembling hub and variable pitch bearing's tool, by the setting of driving assembly 2, to realize can rotate adsorption component 3, to adjust the position of hub, it is convenient for staff to install the different position of hub, improve the working efficiency of hub and variable pitch bearing installation;By the setting of adsorption component 3, to realize can carry out negative pressure adsorption to hub, to increase the stability when installing hub and variable pitch bearing;By the setting of clamping component 4, to realize can be positioned and clamped to different size hub, to increase the stability of hub installation again.

[0020] In the utility model embodiment, in use, first support frame 42 is rotated ninety degrees, then hub is placed on fixed disc 31, because hub will contact with support wheel 47, and exerts force on it, so that support wheel 47 drives support rod 45 to retract into support column 43, then air pump structure 32 is powered on, air in adsorption head 33 is discharged, so that negative pressure is generated, so that hub is fixed again, staff installs variable pitch bearing on one side of hub, then drive motor 23 is powered on to output power, so that drive gear 24 rotates transmission gear 25, then transmission shaft 26 synchronously rotates fixed disc 31 and hub, so that the position of hub is conveniently adjusted, staff installs variable pitch bearing on different position of hub, and the efficiency of installation is improved.

[0021] As Figure 1 As shown in the utility model further scheme embodiment, the end surface of tool table 1 is fixedly connected with fixed leg 11;

[0022] In the embodiment, fixed leg 11 is provided to support and fix tool table 1, so that hub and variable pitch bearing can be placed.

[0023] As Figure 2 As shown in the utility model further scheme embodiment, the outer wall surface of fixed frame 21 is fixedly connected with tool table 1, the end surface of transmission shaft 26 is movably connected with electric slip ring structure 22, and the outer wall surface of transmission shaft 26 is movably connected with fixed frame 21;

[0024] In the embodiment, drive motor 23 can rotate transmission shaft 26 through drive gear 24 and transmission gear 25, so as to apply power to fixed disc 31, rotate it, drive hub to rotate, and facilitate staff to install variable pitch bearing on different installation surface of hub.

[0025] As Figure 2As shown, as a further embodiment of the present utility model, the outer wall of the fixed disk 31 is rotatably connected to the tooling table 1, the end face of the tooling table 1 is also provided with an exhaust hole, the end face of the fixed disk 31 is also provided with an exhaust hole, the end face of the fixed disk 31 is fixedly connected to the transmission shaft 26, and the outer wall of the adsorption head 33 is fixedly connected to the fixed disk 31.

[0026] In this embodiment, the electric slip ring structure 22 is used to ensure that the air pump structure 32 is energized while the fixed plate 31 is rotating. The suction head 33 can be used to suction the wheel hub under negative pressure, thereby increasing the stability of the wheel hub during installation.

[0027] like Figure 2 and Figure 3 As shown, in a further embodiment of this utility model, the outer wall of the support plate 41 is fixedly connected to the fixed plate 31, and the support frame 42 is L-shaped.

[0028] In this embodiment, the support frame 42 facilitates the adjustment of the position of the support wheel 47, facilitates the positioning and clamping during hub installation, and further increases the stability of hub and pitch bearing installation.

[0029] like Figure 3 As shown, in a further embodiment of this utility model, the outer wall surface of the support rod 45 is slidably connected to the support column 43;

[0030] In this embodiment, the support spring 44 and support rod 45 are provided to enable the installation and fixing of wheel hubs of different sizes.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tooling for assembling a hub and a variable pitch bearing, characterized in that, The utility model provides a kind of tooling table, including driving assembly (2), adsorption component (3) and clamping component (4);The driving assembly (2) is installed on tooling table (1), the adsorption component (3) is installed on driving assembly (2), the clamping component (4) is installed on adsorption component (3), the driving assembly (2) includes fixed frame (21), the end surface of fixed frame (21) is fixedly connected with electric slip ring structure (22) and driving motor (23), the outer wall surface of driving motor (23) output shaft is fixedly connected with driving gear (24), the outer wall surface of driving gear (24) is engaged with transmission gear (25), the inner wall surface of transmission gear (25) is fixedly connected with transmission shaft (26), the adsorption component (3) includes fixed disc (31), the inner wall surface of fixed disc (31) is fixedly connected with air pump structure (32), the end surface of air pump structure (32) is fixedly connected with adsorption head (33), the clamping component (4) includes support plate (41), the outer wall surface of support plate (41) is rotatably connected with support frame (42) by fixed rod, the end surface of support frame (42) is fixedly connected with support column (43), the inner wall surface of support column (43) is fixedly connected with support spring (44), the end surface of support spring (44) is fixedly connected with support rod (45), the end surface of support rod (45) is fixedly connected with mounting bracket (46), the end surface of mounting bracket (46) is rotatably connected with support wheel (47) by fixed rod.

2. A tool for assembling a hub and a pitch bearing according to claim 1, characterized in that The end surface of the tooling table (1) is fixedly connected with the fixed leg (11).

3. A tool for assembling a hub and a pitch bearing according to claim 1, wherein The outer wall surface of the fixed frame (21) is fixedly connected with the tooling table (1), the end surface of the transmission shaft (26) is movably connected with the electric slip ring structure (22), and the outer wall surface of the transmission shaft (26) is movably connected with the fixed frame (21).

4. A tool for assembling a hub and a pitch bearing according to claim 1, characterized in that, The outer wall surface of the fixed disc (31) is rotatably connected with the tooling table (1), the end surface of the tooling table (1) is also provided with an exhaust hole, the end surface of the fixed disc (31) is also provided with an exhaust hole, the end surface of the fixed disc (31) is fixedly connected with the transmission shaft (26), and the outer wall surface of the adsorption head (33) is fixedly connected with the fixed disc (31).

5. A tool for assembling a hub and a pitch bearing according to claim 1, wherein, The outer wall surface of the support plate (41) is fixedly connected with the fixed disc (31), and the support frame (42) is in the shape of L.

6. A tool for assembling a hub and a pitch bearing according to claim 1, characterized in that, The outer wall surface of the support rod (45) is slidably connected with the support column (43).