Centering tool for wind driven generator

By designing the wind turbine centering tooling, using couplings and lasers to achieve accurate centering detection and installation of the motor shaft, the wear problem caused by misalignment of the axis during long-term operation of the wind turbine is solved, and the stability of the equipment is improved and ease of maintenance.

CN222356117UActive Publication Date: 2025-01-14国华(赤城)风电有限公司
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Patent Information

Application Number
CN202420934724.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-01-14
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

During long-term operation of wind turbines, due to the misalignment of the central axis of the engine and the slave motor, seal failure, coupling wear, energy loss and vibration increase. In addition, conventional workpiece connections are likely to cause misalignment and wear of parts, and there is use Hidden danger.

Method used

A wind turbine centering tool is designed, including a base plate, adjusting foot seat, lifting base, electric cylinder, laser mounting frame and connecting shaft, which is connected to the connecting shaft through coupling, and the bottom of the motor is fine-tuned by laser to make The motor shafts on both sides are co-linear to avoid wear.

Benefits of technology

Accurate centering inspection and installation of wind turbines is achieved, avoiding wear of parts, simplifying the use process, and reducing maintenance costs and complexity.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222356117U_ABST
    Figure CN222356117U_ABST
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Abstract

The utility model relates to a centering tool for a wind driven generator. The centering tool comprises a bottom plate, an adjusting footstand, a footstand locking nut, a lifting base, a lifting rod, a lifting rod locking bolt, a positioning seat, a plummer block, a connecting rotating shaft, a side positioning block, an electric cylinder, a laser device mounting frame, a laser device, a laser device mounting base and a lower positioning block. Compared with the prior art, the motor shafts on the two sides are connected with the connecting rotating shaft through the couplings, and the bottom of the motor is finely adjusted through rotation of the rotating shaft and irradiation conditions of the laser, so that the motor shafts on the two sides are collinear, use is easy and convenient, abrasion to the motor structure is avoided, the connecting rotating shaft is easy and convenient to replace and maintain, and cost is lower.
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Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation, in particular to a wind power generator centering tool. Background Art

[0002] The fan uses the impeller to drive the generator through the gear box and coupling to rotate. The generator is the driven machine. If the central axis of the driving machine and the driven machine is not aligned, many faults will occur during the long-term operation of the fan, such as seal failure, coupling wear, energy loss, increased vibration, etc. Therefore, it is necessary to perform alignment detection when installing the generator to assist the installation of the generator. Conventional alignment tools often need to directly connect the two motors and adjust the motor angle according to the rotation situation. Direct connection is prone to misalignment and wear of parts, and there are many hidden dangers in use. Utility Model Content

[0003] The utility model aims to provide a wind turbine centering tool to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including a base plate, an adjustment foot seat, a foot seat locking nut, a lifting base, a lifting rod, a lifting rod locking bolt, a positioning seat, a seat bearing, a connecting shaft, a side positioning block, an electric cylinder, a laser mounting frame, a laser, a laser mounting base, and a lower positioning block; the base plate is provided with screw holes at the four corners, the adjustment foot seats are installed in the screw holes, and the foot seat locking nuts are used to lock them; the lifting base is installed in the center of the left and right sides of the upper surface of the base plate, the lifting rod is installed inside it, and the lifting rod is installed on the upper side of the lifting base Locking bolt; the positioning seat is installed on the top of the lifting rod, and a bearing with a seat is installed in the center of its outer side; the connecting shaft is mounted on the bearing with a seat, and one end of it passes through the positioning seat and is installed with a side positioning block; the electric cylinder is installed on the front and rear sides of the center of the upper surface of the base plate, and a laser mounting frame is installed on the top of its push rod; a rectangular through groove is opened in the center of the laser mounting frame; the laser is equipped with a laser mounting base and fixedly installed on the left, right and lower sides of the laser mounting frame; the lower positioning block is installed in the center of the upper surface of the base plate, directly below the laser mounting frame.

[0005] As a preferred technical solution of the utility model, the bottom plate is a rectangular stainless steel plate; the bottom of the adjusting foot seat is covered with a layer of rubber anti-slip sleeve.

[0006] As a preferred technical solution of the utility model, the height of the lifting base is the same as the length of the electric cylinder, protrusions are provided on the left and right sides of the inside, and matching grooves are provided on the outer wall of the lifting rod.

[0007] As a preferred technical solution of the utility model, the laser mounting frame is parallel to the positioning seats on the left and right sides.

[0008] As a preferred technical solution of the utility model, the lasers are installed perpendicular to the laser mounting frame, and the lasers on the left and right sides are coaxial with the connecting shaft.

[0009] As a preferred technical solution of the utility model, the side positioning blocks and the lower positioning blocks are both made of rubber and are fixed by gluing.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model connects the motor shafts on both sides to the connecting shaft through a coupling, and fine-tunes the bottom of the motor by rotating the shaft and irradiating the laser, so that the motor shafts on both sides are collinear. The utility model is simple and convenient to use, avoids wear on the motor structure, and the connecting shaft is simple and convenient to replace and maintain, with lower cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0012] Figure 2 This is the front view of the utility model;

[0013] Figure 3 It is a top view of the utility model;

[0014] In the figure: bottom plate 1, adjustment foot 2, foot locking nut 3, lifting base 4, lifting rod 5, lifting rod locking bolt 6, positioning seat 7, bearing with seat 8, connecting shaft 9, side positioning block 10, electric cylinder 11, laser mounting frame 12, laser 13, laser mounting base 14, lower positioning block 15 DETAILED DESCRIPTION

[0015] Example 1

[0016] like Figures 1 to 3As shown, the utility model discloses a wind turbine centering tool, including a base plate 1, an adjusting foot seat 2, a foot seat locking nut 3, a lifting base 4, a lifting rod 5, a lifting rod locking bolt 6, a positioning seat 7, a seat bearing 8, a connecting shaft 9, a side positioning block 10, an electric cylinder 11, a laser mounting frame 12, a laser 13, a laser mounting base 14, and a lower positioning block 15; the base plate 1 is provided with screw holes at four corners, the adjusting foot seats 2 are installed in the screw holes, and the foot seat locking nuts 3 are used to lock them; the lifting base 4 is installed in the center of the left and right sides of the upper surface of the base plate 1, and the lifting rod 5 is installed inside it, and the upper side of the lifting base 4 is equipped with a lifting rod 5. Rod locking bolt 6; the positioning seat 7 is installed on the top of the lifting rod 5, and a seat bearing 8 is installed in the center of its outer side; the connecting shaft 9 is mounted on the seat bearing 8, and one end of it passes through the positioning seat 7 and is installed with a side positioning block 10; the electric cylinder 11 is installed on the front and back sides of the center of the upper surface of the base plate 1, and a laser mounting frame 12 is installed on the top of its push rod; a rectangular through groove is opened in the center of the laser mounting frame 12; the laser 13 is equipped with a laser mounting base 14 and fixedly installed on the left, right and lower sides of the laser mounting frame 12; the lower positioning block 15 is installed in the center of the upper surface of the base plate 1, directly below the laser mounting frame 12. The base plate 1 is a rectangular stainless steel plate, and a rubber anti-slip sleeve is put on the bottom of the adjusting foot seat 2 to facilitate leveling the base plate 1. The deformation of the base plate 1 itself is small, which serves as a reference for the centering of the motor; the height of the lifting base 4 is the same as the length of the electric cylinder 11, and protrusions are provided on the left and right sides of the inside, and the outer wall of the lifting rod 5 is provided with matching grooves to prevent the lifting rod 5 from rotating, so that the positioning seats on both sides are in a parallel state with the laser mounting frame 12; the lasers 13 are installed perpendicular to the laser mounting frame 12, and the lasers 13 on the left and right sides are coaxial with the connecting shaft 9, so that the laser 13 always shines on a point on the side positioning block 10, and the motor shaft can be judged whether it is coaxial with the laser 13 according to the rotation of the connecting shaft 9.

[0017] The working principle of the utility model is as follows: when the utility model is used, the whole is first placed between the two generators that need to be aligned, and then the base plate 1 is leveled by adjusting the base 2, and the push rods of the electric cylinders 11 on both sides are controlled to the appropriate position, so that the laser mounting frame 12 and the generator shaft are at the same height, and then the lifting rods 5 on both sides are adjusted to the appropriate height, and the lifting rod locking bolts 6 are used to lock and fix. Then the coupling is equipped to connect the generator shaft with the connecting shaft 9, and the laser 13 is turned on to confirm that the lower laser 13 is vertically irradiated on the center of the lower positioning block 15, and the left and right lasers 13 are horizontally irradiated to the center of the side positioning block 10, and finally the generators on both sides are started, and the height of the generator is fine-tuned according to the beating of the connecting shaft 9 and the irradiation of the laser 13 on the positioning blocks 10 on both sides, until the laser 13 irradiates on the side positioning blocks 10 without beating, and the centering adjustment is completed, and finally the generator is fixed and the two generator shafts are connected.

[0018] The laser and electric cylinder connection and control involved in the present invention are all technical means commonly used by those skilled in the art, so they will not be described in detail.

[0019] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A wind turbine centering tool, characterized in that: The invention comprises a base plate (1), an adjusting foot seat (2), a foot seat locking nut (3), a lifting base (4), a lifting rod (5), a lifting rod locking bolt (6), a positioning seat (7), a bearing with a seat (8), a connecting shaft (9), a side positioning block (10), an electric cylinder (11), a laser mounting frame (12), a laser (13), a laser mounting base (14), and a lower positioning block (15); screw holes are provided at four corners of the base plate (1), the adjusting foot seats (2) are installed in the screw holes, and the adjusting foot seats locking nuts (3) are used to lock them; the lifting base (4) is installed at the center of the left and right sides of the upper surface of the base plate (1), and the lifting rod (5) is installed inside the lifting base, and the lifting rod locking bolts (6) are installed on the upper side of the lifting base (4). ); the positioning seat (7) is installed on the top of the lifting rod (5), and a seat bearing (8) is installed in the center of its outer side; the connecting shaft (9) is mounted on the seat bearing (8), and one end of the connecting shaft (9) passes through the positioning seat (7) and is installed with a side positioning block (10); the electric cylinder (11) is installed on the front and rear sides of the center of the upper surface of the base plate (1), and a laser mounting frame (12) is installed on the top of its push rod; a rectangular through groove is opened in the center of the laser mounting frame (12); the laser (13) is equipped with a laser mounting base (14) and fixedly installed on the left, right and lower sides of the laser mounting frame (12); the lower positioning block (15) is installed in the center of the upper surface of the base plate (1) and is located directly below the laser mounting frame (12).

2. A wind turbine centering tool according to claim 1, characterized in that: The bottom plate (1) is a rectangular stainless steel plate; the bottom of the adjusting footrest (2) is covered with a rubber anti-slip sleeve.

3. The wind turbine generator centering tool according to claim 1, characterized in that: The height of the lifting base (4) is the same as the length of the electric cylinder (11), and protrusions are provided on the left and right sides of the inside thereof, and a matching groove is provided on the outer wall of the lifting rod (5).

4. The wind turbine generator centering tool according to claim 1, characterized in that: The laser mounting frame (12) is parallel to the positioning seats (7) on the left and right sides.

5. The wind turbine generator centering tool according to claim 1, characterized in that: The lasers (13) are installed perpendicular to the laser mounting frame (12), and the lasers (13) on the left and right sides are coaxial with the connecting shaft (9).

6. The wind turbine generator centering tool according to claim 1, characterized in that: The side positioning blocks (10) and the lower positioning blocks (15) are both made of rubber and are fixed by gluing.