A wind turbine blade transfer frame
By designing a wind turbine blade transfer rack with a "V"-shaped rubber pad and strap structure, the problem of unstable blade placement was solved, enabling stable installation and safe transportation of the blades, and improving the safety and efficiency of transportation and installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN ZHONGCHEN TECHNOLOGY GROUP CO LTD
- Filing Date
- 2025-09-28
- Publication Date
- 2026-07-14
AI Technical Summary
The limited contact area between the existing wind turbine blade transfer frame and the blade tip leads to unstable placement, affecting the safety and efficiency of transportation and installation.
A wind turbine blade transfer bracket was designed, which adopts a "V" shaped rubber pad and strap structure. The bolts are wrapped by a limiting bracket and through holes. Combined with a spring structure, the contact area and stabilization effect are increased, so that the nut and the limiting bracket abut against each other, ensuring that the blade is installed securely.
The increased contact area between the blades and the transfer frame improves the stability of the blades, reduces vibration and impact damage during transportation, and ensures the safety and efficiency of transportation and installation.
Smart Images

Figure CN224496637U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of wind turbine blade transfer racks, and in particular to a wind turbine blade transfer rack. Background Technology
[0002] Wind turbine blades are one of the core components of wind turbine generators, and their performance directly affects the power generation efficiency and reliability of the wind turbine. During transportation, storage, and installation, wind turbine blade transfer frames are typically used to support, secure, and move the blades.
[0003] According to the search, the Chinese patent "A wind turbine blade placement rack" authorized announcement number "CN221834306U" uses an adjustment component, a base plate and a buffer component to clamp the wind turbine blades, thus making it convenient to place wind turbine blades of different specifications.
[0004] In the aforementioned application, since the ends of most wind turbine blades are round, and the top of the base plate and the rubber pads on the buffer assembly are flat, the contact area between them and the ends of the wind turbine blades is limited, which in turn affects the stability of the wind turbine blades placed on the transfer frame.
[0005] Therefore, a wind turbine blade transfer rack is proposed to solve the above problems. Utility Model Content
[0006] The purpose of this invention is to provide a wind turbine blade transfer rack to solve the above-mentioned problems and improve the stability of wind turbine blades when placed on the transfer rack.
[0007] This utility model achieves the above-mentioned objectives through the following technical solution: a wind turbine blade transfer frame, comprising: a transfer frame; and a stabilizing mechanism. The stabilizing mechanism includes a placement seat fixedly connected to the top of the transfer frame. A rubber pad is embedded in the end of the placement seat. The rubber pad is V-shaped, and a strap is fixedly connected to the end of the rubber pad. A limiting frame is fixedly connected to one side of the placement seat, and several through holes are provided on one side of the limiting frame. Through the placement seat, rubber pad, and strap, the contact area between the transfer frame and the end of the wind turbine blade is increased. Through the limiting frame and through holes, three bolts on the wind turbine blade are wrapped, causing the nuts to be threaded onto the bolts and abut against one side of the limiting frame, thereby securing the wind turbine blade firmly on the placement seat.
[0008] Preferably, the inner wall of the placement seat is slidably connected to a rubber seat, and the top of the rubber seat is concave in an arc shape.
[0009] Preferably, a first spring is fixedly connected to the bottom of the rubber seat, and the bottom end of the first spring is fixedly connected to the inner bottom wall of the placement seat. The first spring pushes the rubber seat upwards to abut against the end of the wind turbine blade, thereby increasing the contact area between the placement seat and the wind turbine blade.
[0010] Preferably, a fixing block is fixedly connected to the bottom of the strap, and the surface of the fixing block penetrates the rubber pad and is slidably connected to the inner wall of the placement seat.
[0011] Preferably, the inner wall of the placement seat is slidably connected to a limiting frame, and the surface of the limiting frame is engaged with the inner wall of the fixing block.
[0012] Preferably, a second spring is fixedly connected to one end of the limiting frame, and the other end of the second spring is fixedly connected to the inner wall of the placement seat. The elastic force of the second spring pushes the limiting frame to move and engage with the fixing block, thereby locking the strap and stably securing the strap to the end of the wind turbine.
[0013] Preferably, a long frame is slidably connected to the inner wall of the placement base, and the surface of the long frame is engaged with the inner wall of the limiting frame. The long frame restricts the limiting frame, ensuring that the limiting frame is stably engaged within the fixing block, thereby ensuring the stability of the straps tied to the end of the wind turbine.
[0014] The beneficial effects of this utility model are:
[0015] 1. By using a mounting base, rubber pads, and straps, the contact area between the transfer frame and the end of the wind turbine blade is increased. By using a limiting frame and through holes, the three bolts on the wind turbine blade are wrapped, so that the nuts are threaded on the bolts and abut against one side of the limiting frame. Compared with the existing wind turbine blades with limited contact area with the base plate, which result in poor stability when placed on the transfer frame, this method ensures that the wind turbine blades are placed stably on the mounting base.
[0016] 2. The first spring pushes the rubber seat upward to abut against the end of the wind turbine blade, thereby increasing the contact area between the seat and the wind turbine blade. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This is a schematic diagram of the transfer frame and stabilizing mechanism of this utility model;
[0019] Figure 3 This is a sectional view of the placement base of this utility model;
[0020] Figure 4This is a schematic diagram of the stabilizing mechanism of this utility model.
[0021] In the diagram: 1. Transfer frame; 2. Stabilizing mechanism; 21. Placement seat; 22. Rubber pad; 23. Strap; 24. Restriction frame; 25. Through hole; 26. Fixing block; 27. Limiting frame; 28. Second spring; 29. Long frame; 210. Rubber seat; 211. First spring. Detailed Implementation
[0022] 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.
[0023] In practical implementation: such as Figure 1-4 As shown, a wind turbine blade transfer frame includes: a transfer frame 1; a stabilizing mechanism 2, the stabilizing mechanism 2 including a placement seat 21 fixedly connected to the top of the transfer frame 1, a rubber pad 22 embedded in the end of the placement seat 21, the rubber pad 22 being V-shaped in general, a strap 23 fixedly connected to the end of the rubber pad 22, a limiting frame 24 fixedly connected to one side of the placement seat 21, and a plurality of through holes 25 opened on one side of the limiting frame 24.
[0024] When placing wind turbine blades on the transfer frame, several transfer frames 1 and placement seats 21 of suitable size are selected, ensuring that the placement seats 21 of several of them fit the surface of the wind turbine blades. The wind turbine blades are then hoisted onto the surface of the rubber pad 22 using a crane, allowing the screws on the wind turbine blades to pass through and extend into the through hole 25, so that the end of the wind turbine blade abuts against one side of the restraint frame 24. At this point, an electric drill bit is used to thread a nut onto the surface of the screw, and the end of the nut abuts against one side of the restraint frame 24, thus mounting the end of the wind turbine blade onto the placement seat 21. Then, the binding strap 23 is pulled to bind the end of the wind turbine blade. The binding straps 23 on the other placement seats 21 are then used to bind the surface of the wind turbine blade, thus stably mounting the wind turbine blades on the transfer frame, which then supports, fixes, and transfers the wind turbine blades.
[0025] During the transportation of wind turbine blades, transfer racks can securely hold the blades to the transport vehicle or ship, reducing damage caused by vibration and impact during transport. At the same time, the design of the transfer rack allows the blades to be placed at a suitable angle and position, making full use of transport space and improving transport efficiency.
[0026] like Figure 4 As shown, a rubber seat 210 is slidably connected to the inner wall of the placement seat 21. The top of the rubber seat 210 is concave and arc-shaped. A first spring 211 is fixedly connected to the bottom of the rubber seat 210. The bottom end of the first spring 211 is fixedly connected to the inner bottom wall of the placement seat 21.
[0027] The tip of the wind turbine blade abuts against the surface of the rubber pad 22. At this time, the elastic force of the first spring 211 pushes the rubber seat 210 upward, so that the top of the rubber seat 210 abuts against the surface of the wind turbine blade. The rubber pad 22 and the rubber seat 210, which are in the shape of a "V", can evenly distribute the weight of the tip of the wind turbine blade and avoid excessive local stress.
[0028] like Figure 4 As shown, a fixing block 26 is fixedly connected to the bottom of the strap 23. The surface of the fixing block 26 penetrates the rubber pad 22 and is slidably connected to the inner wall of the placement seat 21. A limit frame 27 is slidably connected to the inner wall of the placement seat 21. The surface of the limit frame 27 is engaged with the inner wall of the fixing block 26. A second spring 28 is fixedly connected to the end of the limit frame 27. The other end of the second spring 28 is fixedly connected to the inner wall of the placement seat 21. A long frame 29 is slidably connected to the inner wall of the placement seat 21. The surface of the long frame 29 is engaged with the inner wall of the limit frame 27.
[0029] The surface of the fixing block 26 is inserted into the placement seat 21, the limiting frame 27 is loosened, and the elastic force of the second spring 28 pushes the limiting frame 27 to move, so that the limiting frame 27 is locked into the inner wall of the fixing block 26, pushing the long frame 29 to move down, so that the long frame 29 is locked into the limiting frame 27, thereby making the strap 23 stably bind the wind turbine blade.
[0030] In use, the wind turbine blade is hoisted onto the surface of the rubber pad 22 using a crane. The screw on the wind turbine blade passes through and extends into the through hole 25, causing the end of the wind turbine blade to abut against one side of the limiting frame 24. At this point, an electric drill is used to thread a nut onto the screw surface, ensuring the end of the nut abuts against one side of the limiting frame 24. This allows the end of the wind turbine blade to be mounted on the placement seat 21. The elastic force of the first spring 211 pushes the rubber seat 210 upwards, causing the top of the rubber seat 210 to abut against the surface of the wind turbine blade. Pulling the strap 23 causes the strap to move against the wind... The ends of the wind turbine blades are bound together. The surface of the fixing block 26 is inserted into the placement seat 21. The limiting frame 27 is loosened. The elastic force of the second spring 28 pushes the limiting frame 27 to move, so that the limiting frame 27 is engaged with the inner wall of the fixing block 26. The long frame 29 is pushed down, so that the long frame 29 is engaged with the limiting frame 27. Thus, the binding strap 23 stably binds the wind turbine blades. At this time, the surface of the wind turbine blades is bound together by the binding straps 23 on several other placement seats 21. Thus, the wind turbine blades are stably installed on the transfer frame, so that the transfer frame can support, fix and transport the wind turbine blades.
[0031] It should be noted that the transfer frame 1, placement seat 21, rubber pad 22, strap 23, restraint frame 24 and rubber seat 210 mentioned above are all devices with relatively mature existing technology. The specific models can be selected according to actual needs, and will not be elaborated here.
[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A wind turbine blade transfer frame, characterized in that, include: Transfer rack (1); The stabilizing mechanism (2) includes a placement seat (21) fixedly connected to the top of the transfer frame (1). A rubber pad (22) is embedded in the end of the placement seat (21). The rubber pad (22) is V-shaped. A strap (23) is fixedly connected to the end of the rubber pad (22). A limiting frame (24) is fixedly connected to one side of the placement seat (21). A plurality of through holes (25) are opened on one side of the limiting frame (24).
2. The wind turbine blade transfer frame according to claim 1, characterized in that: The inner wall of the placement seat (21) is slidably connected to a rubber seat (210), and the top of the rubber seat (210) is concave and arc-shaped.
3. A wind turbine blade transfer frame according to claim 2, characterized in that: The bottom of the rubber seat (210) is fixedly connected to a first spring (211), and the bottom end of the first spring (211) is fixedly connected to the inner bottom wall of the placement seat (21).
4. A wind turbine blade transfer frame according to claim 1, characterized in that: The bottom of the strap (23) is fixedly connected to a fixing block (26), and the surface of the fixing block (26) penetrates the rubber pad (22) and is slidably connected to the inner wall of the placement seat (21).
5. A wind turbine blade transfer frame according to claim 4, characterized in that: The inner wall of the placement seat (21) is slidably connected to a limiting frame (27), and the surface of the limiting frame (27) is engaged with the inner wall of the fixing block (26).
6. A wind turbine blade transfer frame according to claim 5, characterized in that: The end of the limiting frame (27) is fixedly connected to a second spring (28), and the other end of the second spring (28) is fixedly connected to the inner wall of the placement seat (21).
7. A wind turbine blade transfer frame according to claim 1, characterized in that: The inner wall of the placement seat (21) is slidably connected to a long frame (29), and the surface of the long frame (29) is engaged with the inner wall of the limiting frame (27).