Blade intelligent post-processing system

Abstract

The present invention relates to blade processing equipment and discloses a blade intelligent post-processing system, including a mounting frame, a mounting lift and a driving mechanism, wherein the mounting frame includes a main frame, an adapter plate and a pitch bearing, the adapter plate is mounted on the main frame through the pitch bearing for mounting blades, the output shaft of the driving mechanism is connected to the pitch bearing in a transmission manner, and the driving mechanism is configured to drive the pitch bearing to rotate so as to be able to drive the blades mounted on the adapter plate to rotate through the pitch bearing. The present invention installs the blades on the mounting frame, then installs the adapter plate on the mounting frame, installs the blades to be processed on the adapter plate through the mounting lift, and installs the adapter plate on the pitch bearing, the pitch bearing drives the adapter plate to rotate while driving the blades to rotate, and the pitch bearing is controlled by the driving mechanism, thereby achieving precise control of the rotation angle of the blades and preventing the blades from being damaged during the flipping process.

Description

Technical Field

[0001] The present invention relates to blade processing equipment, and in particular to an intelligent blade post-processing system. Background Art

[0002] A wind rotor, primarily composed of blades and a hub connecting them, converts the wind's kinetic energy into mechanical energy, and then converts that mechanical energy into electrical energy. Wind turbine blades place high demands on materials, requiring them to be lightweight while also possessing high strength, corrosion resistance, and fatigue resistance. Consequently, wind turbine manufacturers now widely use composite materials in their blades, with composite materials accounting for as much as 90% of the total blade weight. Blades are a core component of wind turbines, accounting for approximately 15%-20% of the turbine's cost. Their design directly impacts the turbine's performance and profitability.

[0003] Currently, in the blade production process, after the blade is formed and ejected from the mold, the leading and trailing edges of the blade need to be trimmed, hand-laminated, reshaped, surface polished and painted. During this process, the blade needs to be rotated. The traditional method of flipping the blade will cause damage to the blade due to the increase in length and weight of the blade. This tooling cannot be sprayed in one go and needs to be retouched later, resulting in defects such as color difference.

[0004] Therefore, it is particularly necessary to develop a system for intelligent processing of blades. Summary of the Invention

[0005] The main technical problem to be solved by the present invention is to provide an intelligent post-processing system for blades, which can easily flip the blades without causing damage to the blades during the flipping process. The flipping can facilitate post-processing operations such as polishing the blade surface.

[0006] In order to solve the above technical problems, the present invention provides, on the one hand, a blade intelligent post-processing system, including a mounting frame, a mounting lift and a driving mechanism, wherein the mounting frame includes a main frame, an adapter plate and a pitch bearing, and the adapter plate is installed on the main frame through the pitch bearing for installing the blade, and the output shaft of the driving mechanism is transmission-connected to the pitch bearing, and the driving mechanism is configured to drive the pitch bearing to rotate so as to be able to drive the blade installed on the adapter plate to rotate through the pitch bearing.

[0007] Preferably, the driving mechanism includes a control box, a motor and a hydraulic control station. The output end of the motor is transmission-connected to the pitch bearing. The hydraulic control station is connected to the motor fluid circuit to provide power for the motor. The control box is electrically connected to the hydraulic control station so that the control box can control the hydraulic control station to start and stop the motor.

[0008] Further preferably, the motor includes a drive motor for driving the pitch bearing to rotate, and a locking motor for locking the pitch bearing, and output ends of the drive motor and the locking motor are both connected to the pitch bearing.

[0009] Preferably, the hydraulic drive mechanism of the installation lifting vehicle is connected to the hydraulic control station so as to be able to drive the installation lifting vehicle to move up and down through the hydraulic control station.

[0010] Further preferably, the adapter plate is provided with multiple rows of holes so that blades of different sizes can be adapted through the multiple rows of holes.

[0011] Preferably, the installation lifting vehicle is fixedly connected to the main frame, the installation lifting vehicle is arranged below the main frame, and the angle between the installation lifting vehicle and the main frame is 90°.

[0012] Further preferably, the adapter plate is arranged at the center of the main frame, and the blades are coaxially arranged with the adapter plate. The adapter plate is also provided with an angle scale, and the angle scale is arranged along the circumference of the adapter plate.

[0013] Preferably, a plurality of the installation lifting vehicles are provided, and the plurality of the installation lifting vehicles are arranged along the axial direction of the blade so as to be able to support multiple parts of the blade.

[0014] Further preferably, the installation lifting vehicle further comprises a supporting device, which is arranged along the axial direction of the blade and can circumferentially cover the blade so as to support the blade through the supporting device after the blade completes its rotation.

[0015] Through the above technical solution, the blade intelligent post-processing system of the present invention is achieved by installing the blade on the mounting frame, then installing the adapter plate on the mounting frame, and lifting the blade to be processed by installing a lifting vehicle. The blade is lifted to the height of the adapter plate, and then the blade is installed on the adapter plate, and the adapter plate is installed on the pitch bearing. The rotation of the pitch bearing drives the adapter plate to rotate, and the rotation of the adapter plate can also drive the blade to rotate, and the rotation of the pitch bearing is controlled by the driving mechanism to control the rotation angle and speed of the pitch bearing, thereby achieving precise control of the rotation angle of the blade, and will not damage the blade during the flipping process, which is convenient for the staff to repair blade defects.

[0016] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a structural diagram of a blade intelligent post-processing system according to a specific embodiment of the present invention;

[0018] Figure 2 This is an enlarged view of point A of the blade intelligent after-processing system according to a specific embodiment of the present invention.

[0019] Reference numerals

[0020] 1 Blade 2 Control Box

[0021] 3 Motor 31 Drive motor

[0022] 32 Locking motor 4 Pitch bearing

[0023] 5 Adapter plate 6 Main frame

[0024] 7 Hydraulic control station 8 Install lift truck

[0025] 81 Support device DETAILED DESCRIPTION

[0026] The following describes the specific embodiments of the present invention in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0027] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "installed," and "connected" should be understood broadly. For example, the term "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components or an interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0028] An embodiment of the blade 1 post-processing system of the present invention is as follows Figure 1 As shown, it includes a mounting frame, a mounting lift 8 and a drive mechanism. The mounting frame includes a main frame 6, an adapter plate 5 and a pitch bearing 4. The adapter plate 5 is mounted on the main frame 6 through the pitch bearing 4 for mounting the blade 1. The output shaft of the drive mechanism is in transmission connection with the pitch bearing 4. The drive mechanism is configured to drive the pitch bearing 4 to rotate so as to be able to drive the blade 1 mounted on the adapter plate 5 to rotate through the pitch bearing 4. An enlarged view of the blade 1 processing system is shown in FIG. Figure 2As shown, the main frame 6 is configured as a rectangular structure, the pitch bearing 4 is mounted on the main frame 6, and then the adapter plate 5 is configured to be connected to the pitch bearing 4 to enable the adapter plate 5 to rotate on the pitch bearing 4. The pitch bearing 4 can be driven to rotate by a driving mechanism, and then the pitch bearing 4 rotates to drive the adapter plate 5 to rotate. After the blade 1 is mounted on the adapter plate 5, the blade 1 rotates driven by the pitch bearing 4, and the angle rotated by the pitch bearing 4 can be conveniently controlled by the driving mechanism, thereby accurately controlling the rotation angle of the blade 1, so that the operator can accurately control the rotation of the blade 1 and ensure that the operator can accurately repair defects on the blade 1.

[0029] Specifically, to prevent damage to the blade 1 during rotation, the rotational speed of the blade 1 and the fixed position of the blade 1 and the adapter plate 5 need to be limited. Since the blade 1 is relatively long, typically about 20 meters, the existing operation of flipping the blade 1 uses a blade root trolley and a blade tip trolley in conjunction with a blade tip fixed pulley tool to flip the blade 1. However, during the flipping process, the blade root and blade tip cannot be flipped synchronously, resulting in twisting of the blade 1 and damage to the blade 1. Moreover, when the blade 1 is flipped using the blade root trolley and the blade tip trolley, the blade root and blade tip will cover the root and blade tip, making it impossible to repair the blade root and blade tip. After repairing the blade root and blade tip, defects such as color difference are likely to occur. Therefore, in order to prevent the blade tip and blade root from twisting due to inertia during the rotation of the blade 1 when the blade 1 is rotated and stopped, it is necessary to keep the blade tip and blade root rotating synchronously during the rotation of the blade 1 to prevent the blade tip and blade root from twisting.

[0030] More specifically, the rotational synchronization of the blade root and blade tip is mainly achieved through a drive mechanism, which includes a control box 2, a motor 3, and a hydraulic control station 7. Since the blade 1 is mounted on the adapter plate 5, and the adapter plate 5 is mounted on the pitch bearing 4, the rotation of the blade 1 is mainly achieved by the drive mechanism driving the pitch bearing 4 to rotate. The output end of the motor 3 is connected to the pitch bearing 4 by transmission, and the hydraulic control station 7 is connected to the motor 3 fluid circuit so that the hydraulic control station 7 can provide power to the motor 3. The control station is electrically connected to the hydraulic control station 7 so that a control signal can be sent to the hydraulic control station 7 through the control station, and then the start and stop of the motor 3 can be controlled by the hydraulic control station 7. Among them, the motor 3 includes a drive motor 31 for driving the pitch bearing 4 to rotate, and a locking motor 32 for locking the pitch bearing 4. Both the drive motor 31 and the locking motor 32 are connected to the pitch bearing 4. Therefore, when it is necessary to control the rotation of the blade 1, the control sends a signal to the hydraulic control station 7. The hydraulic control station 7 receives the signal sent by the control, and then the hydraulic pump in the hydraulic control station 7 starts to work to provide driving force for the motor 3. In the process of driving the motor 3, the solenoid valve connected to the drive motor 31 is opened to control the drive motor 31 to work, and the solenoid valve connected to the locking motor 32 is opened to drive the locking motor 32 to work. When controlling the drive motor 31 to work, the speed of the drive motor 31 needs to be controlled. Only when the speed of the drive motor 31 is relatively low, that is, to ensure that the blade root and the blade tip can be relatively at the same speed during the rotation process, or the speed difference between the blade root and the blade tip is small, can it be ensured that the blade root and the blade tip will not be twisted during the rotation-stop process, thereby causing damage to the blade 1.

[0031] An embodiment of the blade 1 post-processing system of the present invention is as follows Figure 1 As shown, the installation and transportation of the blade 1 is mainly carried out by installing the lifting trolley 8. The installing lifting trolley 8 is arranged on the installation base of the installing lifting trolley 8 below the main frame 6. When installing the blade 1, the blade 1 is first placed on the installing lifting trolley 8, and then the blade 1 is lifted up and down by the installing lifting trolley 8 to the fixed installation position of the blade 1. Among them, when the blade 1 is in the fixed position, it is necessary to ensure the stability of the installation of the blade 1 through a fixed connection with the adapter plate 5 to prevent the blade 1 from falling off the adapter plate 5 during rotation, thereby causing damage to the blade 1.

[0032] Specifically, in order to accommodate the installation sizes of different blades 1, multiple rows of holes are provided on the adapter disk 5. The multiple rows of holes are provided at the connection between the blade 1 and the adapter disk 5 and are arranged axially along the connection between the blade 1 and the adapter disk 5, so as to be able to accommodate the fixing requirements of blades 1 of different sizes as much as possible. When installing a standard-sized or small-sized blade 1 on the adapter disk 5, it is only necessary to install the standard blade 1 or the small-sized blade 1 in the center of the adapter disk 5. At this time, there is no need to fix the blade 1 through multiple rows of holes. When installing a large-sized blade 1, it is necessary to align the blade 1 with the multiple rows of holes on the adapter disk 5, and then screw the locking bolts into the multiple rows of holes to fix the large-sized blade 1 through the locking bolts. The same is true for blades 1 of other sizes.

[0033] More specifically, the fixed base of the mounting lift 8 is fixedly connected to the main frame 6. Both the fixed base and the mounting lift 8 are arranged below the main frame 6, and the angle between the fixed base of the mounting lift 8 and the main frame 6 is 90 degrees, that is, the mounting lift 8 is directly below the blade 1. However, since the blade 1 is relatively long, when only one mounting lift 8 is provided, it is necessary to determine the position of the mounting lift 8 when lifting the blade 1. For example, when the mounting lift 8 is near the root of the blade 1 to lift it, since the distance from the tip of the blade 1 to the position of the mounting lift 8 is long, the weight of this part of the blade 1 is relatively large. Therefore, during the lifting process, the part of the blade 1 from the tip to the mounting lift 8 is likely to tilt toward the tip of the blade 1. Therefore, in order to ensure the balance between the blade tip and the installation lift 8 and the blade root and the installation lift 8 when the installation lift 8 is lifting the blade 1, the installation lift 8 needs to be set at the balance point in the middle of the blade 1. When the installation lift 8 is at the balance point of the blade 1, the mass of the installation lift 8 to the blade tip and the blade root is the same, so as to ensure that the installation lift 8 can ensure that the blade 1 will not deviate toward the blade tip or the blade root during the process of lifting the blade 1, so that the blade 1 can be stably installed on the adapter plate 5. In addition, multiple installation lifts 8 can also be set along the axial direction of the blade 1. Multiple installation lifts 8 can be used to lift multiple parts of the blade 1 at the same time, so as to avoid the blade 1 from deviating toward the blade tip or the blade root during the lifting process, thereby ensuring the stability of the blade 1 during the lifting process.

[0034] Specifically, after the blade 1 is mounted on the adapter disk 5, only the root of the blade 1 is fixedly connected to the adapter disk 5. Connecting only the root of the blade to the adapter disk 5, rather than connecting the tip and the root of the blade to the adapter disk 5 separately, can prevent the blade 1 from being twisted and damaged during rotation. If the tip and the root of the blade are connected separately using the adapter disk 5, although the portion between the tip and the root of the blade 1 will not be twisted due to inertia during rotation, it is necessary to keep the rotation speed of the adapter disk 5 connected to the tip and the root of the blade consistent. Once the rotation speed of the adapter disk 5 connected to the tip and the root of the blade is inconsistent, the blade 1 is more likely to be twisted during rotation, thereby causing damage to the blade 1. In addition, only the tip and the root of the blade 1 are fixed. During the grinding and repair process of the blade 1, the tip and the root of the blade need to withstand greater pressure, especially for the tip of the blade. Since the tip of the blade is relatively thin, the pressure it can withstand during the grinding and repair of the blade 1 is smaller, and the tip of the blade is more susceptible to damage and breakage than the root of the blade.

[0035] In order to avoid possible damage to both ends of the blade 1 during the grinding and repair process, only the root of the blade 1 is fixed to the adapter plate 5. After the root of the blade is fixed to the adapter plate 5, the tip of the blade is in the air. The variable pitch bearing 4 is then controlled by the driving mechanism to rotate. The variable pitch bearing 4 rotates while driving the blade 1 to rotate, and the speed is controlled within a speed range that does not cause a speed difference between the tip and the root of the blade, thereby ensuring that the blade 1 does not twist during the rotation process. In addition, an angle scale is also provided on the adapter plate 5. The angle scale is arranged along the circumference of the adapter plate 5. After the blade 1 is installed on the adapter plate 5, the blade 1 and the adapter plate 5 are coaxially arranged, and the angle of rotation of the blade 1 can be more clearly and accurately confirmed by the setting of the angle scale. The staff can also control the rotation angle of the blade 1 by operating the control box 2 to accurately locate the position on the blade 1 that needs to be ground. In order to reduce the possibility of damage to the blade 1 during the grinding process, a supporting device 81 for supporting the blade 1 is also provided on the mounting base of the lifting vehicle 8. However, the supporting device 81 supports the blade 1 only after the blade 1 completes its rotation, that is, the supporting device 81 is mainly used to support the blade 1 during the repair process, so as to avoid excessive pressure on part of the blade 1 during the grinding and repair process of the blade 1, thereby preventing damage to the blade 1.

[0036] Specifically, if Figure 2As shown, the supporting device 81 is arranged along the axial direction of the blade 1, that is, multiple supporting devices 81 can be set in the axial direction of the blade 1, and a slide rail is also provided on the mounting base of the lifting vehicle 8. The slide rail is also arranged along the axial direction of the blade 1. Multiple supporting devices 81 are arranged on the slide rail and can move along the slide rail. The supporting device 81 can be locked and fixed at any position of the slide rail. The locking and fixing method of the supporting device 81 is a commonly used limiting method, which will not be described in detail here. The supporting portion of the supporting device 81 is set as an arc structure, and the supporting portion of the arc structure can cover the blade 1 circumferentially. In order to achieve circumferential covering of the blade 1, the supporting part of the blade 1 is composed of a fixed supporting unit fixed at the bottom and a plurality of sliding supporting units that can slide along the side wall of the fixed supporting unit. The sliding supporting unit is slid along the fixed supporting unit until the blade 1 is completely covered therein, and a buffer part made of rubber material is provided on the side of the sliding supporting unit and the fixed supporting unit that is in contact with the blade 1. The buffer part can reduce the impact between the blade 1 and the supporting part when the blade 1 is polished and repaired, thereby avoiding secondary damage between the blade 1 and the supporting part, and ensuring the treatment effect of the blade 1 after polishing.

[0037] In the description of the present invention, reference to terms such as "one embodiment," "some embodiments," or "an implementation" means that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0038] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Within the technical concept of the present invention, the technical solution of the present invention may be subjected to various simple modifications, including combining the specific technical features in any suitable manner. To avoid unnecessary repetition, the present invention will not further describe various possible combinations. However, these simple modifications and combinations should also be regarded as disclosed in the present invention and fall within the scope of protection of the present invention.

Claims

1. A blade intelligent post-processing system, characterized in that: The invention comprises a mounting frame, a mounting lift (8) and a driving mechanism, wherein the mounting frame comprises a main frame (6), an adapter plate (5) and a pitch bearing (4), wherein the adapter plate (5) is mounted on the main frame (6) through the pitch bearing (4) for mounting a blade (1), wherein the output shaft of the driving mechanism is in transmission connection with the pitch bearing (4), and the driving mechanism is configured to drive the pitch bearing (4) to rotate so as to be able to drive the blade (1) mounted on the adapter plate (5) to rotate through the pitch bearing (4); the mounting lift comprises a main frame (6), an adapter plate (5) and a pitch bearing (4), wherein the adapter plate (5) is mounted on the main frame (6) through the pitch bearing (4) for mounting a blade (1), wherein the output shaft of the driving mechanism is in transmission connection with the pitch bearing (4), and the driving mechanism is configured to drive the pitch bearing (4) to rotate so as to be able to drive the blade (1) mounted on the adapter plate (5) to rotate through the pitch bearing (4); (8) further comprises a supporting device (81), wherein the supporting device (81) is arranged along the axial direction of the blade (1), and the supporting device (81) is capable of circumferentially covering the blade (1) so as to support the blade (1) through the supporting device (81) after the blade (1) completes its rotation; the supporting portion of the supporting device (81) comprises a fixed supporting unit and a plurality of sliding supporting units that can slide along the side wall of the fixed supporting unit, and a buffer portion is provided on a side of the sliding supporting unit and the fixed supporting unit that contacts the blade (1).

2. The blade intelligent post-processing system according to claim 1, characterized in that: The driving mechanism comprises a control box (2), a motor (3) and a hydraulic control station (7); the output end of the motor (3) is transmission-connected to the pitch bearing (4); the hydraulic control station (7) is fluidly connected to the motor (3) to provide power to the motor (3); the control box (2) is electrically connected to the hydraulic control station (7) to control the hydraulic control station (7) to start and stop the motor (3) through the control box (2).

3. The blade intelligent post-processing system according to claim 2, characterized in that: The motor (3) comprises a drive motor (31) for driving the pitch bearing to rotate, and a locking motor (32) for locking the pitch bearing, and the output ends of the drive motor (31) and the locking motor (32) are both connected to the pitch bearing (4).

4. The blade intelligent post-processing system according to claim 2, characterized in that: The hydraulic drive mechanism of the installation lifting vehicle (8) is connected to the hydraulic control station (7) so as to be able to drive the installation lifting vehicle (8) to move up and down through the hydraulic control station (7).

5. The blade intelligent post-processing system according to claim 1, characterized in that: The adapter plate (5) is provided with multiple rows of holes so as to be able to adapt to blades (1) of different sizes through the multiple rows of holes.

6. The blade intelligent post-processing system according to claim 1, characterized in that: The installation lifting vehicle (8) is fixedly connected to the main frame (6), the installation lifting vehicle (8) is arranged below the main frame (6), and the angle between the installation lifting vehicle (8) and the main frame (6) is 90°.

7. The blade intelligent post-processing system according to claim 1, characterized in that: The adapter plate (5) is fixedly connected only to the blade root of the blade (1).

8. The blade intelligent post-processing system according to any one of claims 1 to 7, characterized in that: The adapter plate (5) is arranged at the center of the main frame (6), and the blade (1) and the adapter plate (5) are coaxially arranged. An angle scale is also provided on the adapter plate (5), and the angle scale is arranged along the circumference of the adapter plate (5).

9. The blade intelligent post-processing system according to any one of claims 1 to 7, characterized in that: A plurality of the installation lifting vehicles (8) are provided, and the plurality of the installation lifting vehicles (8) are arranged along the axial direction of the blade (1) so as to be able to lift multiple parts of the blade (1).

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