Connection assembly, double web hoisting system and method of disassembly thereof

Abstract

The present disclosure relates to a connecting assembly, a double-web lifting system and a dismounting method, the connecting assembly comprising: a first support, the first support being provided with a first blocking piece at one end outside the double web, and a lifting ring being arranged on the first support between the first blocking piece and one of the webs; a second support, the second support being provided with a second blocking piece at one end outside the double web, and another lifting ring being arranged on the second support between the second blocking piece and the other web; and a second locking piece, the second locking piece connecting the second blocking piece to the second support, and the second locking piece being provided with a to-be-pulled part, when a dismounting pulling piece pulls the to-be-pulled part, the second locking piece is separated from the second blocking piece and the second support, the connection between the second blocking piece and the second support is unlocked, and the second blocking piece can be separated from the second support. The technical solution provided by the present disclosure can quickly dismount the lifting system, reduce the dismounting time of the lifting system, and meet the open time of the adhesive.

Description

Technical Field

[0001] This disclosure relates to the technical field of wind turbine blade manufacturing, and in particular to a connecting assembly, a double web lifting system, and a disassembly method. Background Technology

[0002] With the development of the wind power industry, the size of wind turbine blades is constantly increasing. To ensure the structural strength of large blades, a double-web structure is usually adopted. During the blade molding process, the double webs need to be accurately hoisted into the blade shell and fixed with structural adhesive.

[0003] Existing double-web lifting fixtures typically require operators to climb to the top of the double webs using tools to disassemble bolts and other connectors after lifting. However, this disassembly method is cumbersome and time-consuming, easily causing the entire assembly process to exceed the open time of the structural adhesive, resulting in adhesive curing failure or reduced bond strength, severely affecting the manufacturing quality of wind turbine blades. Summary of the Invention

[0004] The purpose of this disclosure is to provide a connecting component, a double web lifting system, and a disassembly method that can quickly disassemble and lift, reduce disassembly and lifting time, and meet the adhesive open time requirements.

[0005] According to one aspect of this disclosure, a connecting assembly is provided for hoisting a double-webbed wind turbine blade. The connecting assembly includes: a first support member for insertion into an assembly hole in one of the webbed blades, a first blocking member at one end of the first support member located on the outer side of the double webbed blades, and a lifting ring for mounting the first support member between the first blocking member and one of the webbed blades; a second support member for insertion into an assembly hole in the other webbed blade and connected to the first support member on the inner side of the double webbed blades, a second blocking member at one end of the second support member located on the outer side of the double webbed blades, and a lifting ring for mounting the second support member between the second blocking member and the other webbed blade; and a second locking member connecting the second blocking member to the second support member, the second locking member having a pull-out portion, wherein when a disassembly puller pulls the pull-out portion, causing the second locking member to disengage from the second blocking member and the second support member, the connection between the second blocking member and the second support member is unlocked, allowing the second blocking member to detach from the second support member.

[0006] The technical solution provided in this disclosure connects the first support member and the second support member into a whole on the inner side of the double web. The blocking members on the first support member and the second support member cooperate with the corresponding web to restrict the corresponding lifting ring in the outer installation area. This can ensure the installation stability of the lifting ring and prevent the lifting ring from slipping off during the lifting process.

[0007] Simultaneously, a second locking member connects the second blocking member to the second support member, preventing the lifting ring from detaching during hoisting. A disassembly puller is also provided, with a pull-out portion on the second locking member. When the disassembly puller pulls the pull-out portion, disengaging the second locking member from the second blocking member and the second support member, the connection between the second blocking member and the second support member is unlocked, allowing the second blocking member to detach from the second support member. This releases the obstruction on the other lifting ring, allowing it to slide off the second support member. Thus, operators can release the lifting ring from the ground or at a lower position by pulling the pull-out portion, detaching the lifting ring from the second support member and separating the connecting assembly from the hoisting device. This eliminates the need for climbing to a height for disassembly, simplifying the process and enabling rapid completion of hoisting and dismantling, shortening dismantling time, meeting adhesive open-time requirements, and preventing any impact on the manufacturing quality of the wind turbine blades.

[0008] Furthermore, the overall length of the connecting component is formed by splicing the first support member and the second support member. It can be installed or disassembled from both ends during installation or disassembly. Compared with the whole pole method, there is no need to reserve a large space for disassembly and assembly, which is suitable for disassembling and assembling the connecting component in a narrow area.

[0009] Optionally, the connecting assembly further includes a first locking member, which connects the first blocking member to the first support member. The first locking member has a pull-out portion. When an external puller pulls the pull-out portion of the first locking member, causing the first locking member to disengage from the first blocking member and the first support member, the connection between the first blocking member and the first support member is unlocked, so that the first blocking member can disengage from the first support member.

[0010] Optionally, the second locking member is configured as a resilient locking pin; both the second support member and the second blocking member are provided with locking holes, and the second locking member passes through the locking holes on the second support member and the second blocking member to connect the second blocking member to the second support member.

[0011] Optionally, the second blocking member is configured as a ring structure and is sleeved on the second support member.

[0012] Optionally, the pull-to-open portion of the second locking member is configured as a pull ring; the pull-to-open portion of the second locking member is connected to the second support member via a first pull rope.

[0013] Optionally, the pull-to-pull portion of the second locking member is configured as a first pull rope; one end of the pull-to-pull portion of the second locking member is connected to the second locking member, and the other end is connected to the second support member.

[0014] Optionally, the second blocking member is connected to the second supporting member via a second pull rope.

[0015] Optionally, the first support member and the second support member are threaded together.

[0016] Optionally, the first support member is provided with a first retaining ring, which is located between the first blocking member and the double webs, and the first support member is used to install a lifting ring between the first blocking member and the first retaining ring; the second support member is provided with a second retaining ring, which is located between the second blocking member and the double webs, and the second support member is used to install another lifting ring between the second blocking member and the second retaining ring.

[0017] Optionally, the first support member is provided with a third retaining ring, which is located between the first blocking member and the first retaining ring, and the first support member is used to install a lifting ring between the first blocking member and the third retaining ring; the second support member is provided with a fourth retaining ring, which is located between the second blocking member and the second retaining ring, and the second support member is used to install another lifting ring between the second blocking member and the fourth retaining ring.

[0018] Optionally, both the end of the first support member away from the second support member and the end of the second support member away from the first support member are provided with guide portions, the diameter of which decreases toward the connection point between the first support member and the second support member.

[0019] According to another aspect of this disclosure, a double-web lifting system is also provided, the double-web lifting system comprising: the above-described connecting assembly; a lifting device having two lifting rings, one of which is mounted on the first support member and the other of which is mounted on the second support member; and a disassembly puller, the disassembly puller being used at least to pull the part to be pulled, so that the second locking member is disengaged from the second blocking member and the second support member.

[0020] Optionally, the disassembly puller includes a telescopic rod and a hook, with the hook located at the telescopic end of the telescopic rod.

[0021] According to another aspect of this disclosure, a method for disassembling a double-web lifting system is also provided, applied after the double web and connecting assembly as a whole have been lifted by a lifting device to a predetermined position on the lower shell of a wind turbine blade. The method includes: using a disassembly puller to hook the pull-out portion of a first locking member, pulling out the first locking member to unlock the connection between a first blocking member and a first support member; allowing the lifting rings on the first blocking member and the first support member to slide out from the first support member; using a disassembly puller to hook the pull-out portion of a second locking member, pulling out the second locking member to unlock the connection between the second blocking member and the second support member; allowing the lifting rings on the second blocking member and the second support member to slide out from the second support member; and the lifting device removing the lifting rings. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A schematic diagram of the working state of a double-web lifting system according to an embodiment of the present disclosure is shown; Figure 2 A schematic diagram of a double-web lifting system according to an embodiment of the present disclosure is shown; Figure 3 A schematic diagram of the structure after the connecting assembly is connected to the lifting ring according to an embodiment of the present disclosure is shown; Figure 4 A schematic diagram of the structure of a second locking member according to an embodiment of the present disclosure is shown; Figure 5 A half-sectional schematic diagram is shown after the connecting assembly is connected to the lifting ring according to an embodiment of the present disclosure; Figure 6 An exploded view is shown of a connection assembly connected to a lifting ring according to an embodiment of the present disclosure; Figure 7 A structural schematic diagram of a disassembly puller according to an embodiment of the present disclosure is shown.

[0024] Explanation of reference numerals in the attached figures: 10. Web; 100. Connecting component; 110. First support member; 111. First retaining ring; 112. Third retaining ring; 120. Second support member; 121. Second retaining ring; 122. Fourth retaining ring; 130. First blocking member; 140. Second blocking member; 141. Locking hole; 142. Second pull rope; 150. Second locking member; 151. Part to be pulled; 160. First locking member; 170. Guide part; 200. Lifting device; 210. Lifting ring; 300. Disassembly puller; 310. Telescopic rod; 320. Pull hook. Detailed Implementation

[0025] With the development of the wind power industry, the size of wind turbine blades is constantly increasing. To ensure the structural strength of large blades, a double-web structure is usually adopted. In the blade molding process, the double webs need to be assembled into one piece first, then accurately hoisted into the blade shell, and finally fixed with structural adhesive.

[0026] Existing double-web blades are generally bonded and fixed using a one-time molding process, specifically an integrated molding method where the upper and lower adhesive layers are applied and cured under pressure simultaneously. Compared to the two-stage molding process with phased curing, this process has extremely high requirements for construction sequence. The entire bonding and molding operation relies heavily on the effective open time of the epoxy structural adhesive. The web positioning, tooling removal, upper adhesive application, shell flipping and molding, and pressure shaping must be completed within the operable window of the structural adhesive. Any delay in these steps will directly affect the adhesive curing effect and the reliability of the bonded structure. Currently, after the existing double-web blade hoisting tooling is completed, operators usually need to climb to the top of the double web blades with tools to disassemble bolts and other connectors before the hoisting equipment can be separated. The manual disassembly process is cumbersome and time-consuming, easily causing the entire assembly process to exceed the open time of the structural adhesive, resulting in adhesive curing failure or reduced bond strength, seriously affecting the manufacturing quality of wind turbine blades.

[0027] To address this, this disclosure utilizes a second locking member to connect the second blocking member to the second support member, preventing the lifting ring from detaching during hoisting. Simultaneously, a disassembly puller is provided, and a pull-out portion is provided on the second locking member. When the disassembly puller pulls the pull-out portion, disengaging the second locking member from the second blocking member and the second support member, the connection between the second blocking member and the second support member is unlocked, allowing the second blocking member to detach from the second support member. This releases the lateral blocking limit on the other lifting ring, allowing it to slide off the second support member. Thus, operators can release the lifting ring from the ground or at a lower position by pulling the pull-out portion, detaching the lifting ring from the second support member and separating the connecting assembly from the hoisting device. This eliminates the need for climbing to a height for disassembly, simplifies the disassembly operation, and enables rapid completion of hoisting and dismantling, shortening disassembly time, meeting adhesive open time requirements, and preventing any impact on the manufacturing quality of the wind turbine blades.

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this disclosure, but not all embodiments.

[0029] like Figure 1 and Figure 7 As shown, this disclosure provides a double-web lifting system for lifting double webs into the lower shell of a wind turbine blade. The system also allows for quick disassembly of the lifting device 200, saving lifting and disassembly time and meeting the adhesive opening time requirements. It should be noted that the lower shell of the wind turbine blade refers to the upward-opening half-shell located within the mold.

[0030] Specifically, the double-web lifting system may include a connecting assembly 100, a lifting device 200, and a disassembly tie 300. The connecting assembly 100 is used to connect to the double web. For example, the two webs of the double web may be interlocking webs. Since interlocking webs do not have adhesive flanges at both ends, when the two webs of the double web are interlocking webs, the connecting assembly 100 can provide a lifting position for the lifting device 200. Alternatively, the two webs of the double web may also be webs with adhesive flanges.

[0031] The lifting device 200 has two lifting rings 210, which are suspended at both ends of the connecting assembly 100. This allows the two ends of the connecting assembly 100 to be suspended by the two lifting rings 210, balancing the two ends of the connecting assembly 100 and driving the entire double web plate to move smoothly, transporting the double web plate to the preset installation position of the lower shell of the wind turbine blade. For example, considering the relatively long length of the web plate 10, multiple connecting assemblies 100 can be provided, spaced apart along the length of the web plate 10. Correspondingly, each connecting assembly 100 has lifting rings 210 at both ends. The lifting device 200 may also include a lifting beam and multiple suspended connecting chains, with hooks at the bottom ends of the connecting chains, which engage with the lifting rings on the connecting assemblies. In other words, the lifting device 200 lifts the web plate 10 by means of multiple lifting rings 210 arranged along the length of the web plate 10. This can distribute the lifting force on the web plate, avoid excessive local stress on the web plate, and prevent deformation or damage. At the same time, the combined action of multiple lifting points can better maintain the balance of the long web plate during the lifting process, ensuring the stability and safety of the lifting operation, and allowing the web plate to be accurately aligned with the preset installation position.

[0032] The disassembly puller 300 is used at least to pull the pullable portion 151 on the connecting assembly 100 (described below) to disengage the second locking member 150 from the second blocking member 140 and the second support member 120, thereby separating the lifting ring 210 from the connecting assembly 100. In this way, the operator can separate the connecting assembly 100 from the lifting device 200 from the ground or a lower position, without needing to climb to a height for disassembly. The disassembly operation is simple, allowing for quick removal of the hoisting equipment, reducing disassembly and hoisting time, and meeting the adhesive release time requirements.

[0033] Furthermore, the disassembly mechanism 300 may include a telescopic rod 310 and a hook 320, with the hook 320 located at the telescopic end of the telescopic rod 310. The operator, standing on the ground, can adjust the length of the telescopic rod 310 to hook the hook 320 onto the part to be pulled 151. Pulling the telescopic rod 310 will then displace the part to be pulled 151, completing the disassembly and separation of the second locking component 150. This eliminates the need for the operator to use additional climbing equipment, reducing operational risks and further improving disassembly efficiency. Moreover, the telescopic rod 310 has a telescopic function, adapting to the varying heights of the web along its length. By adjusting the length of the telescopic rod 310 to suit the hooking action, the operator does not need to change their standing position, further ensuring the convenience and safety of the operation.

[0034] Regarding the specific structure of the connecting component 100, as follows: Figures 2 to 6As shown, in some embodiments, the connecting assembly 100 may include a first support member 110 and a second support member 120. The first support member 110 is inserted into an assembly hole in one of the webs 10. A first blocking member 130 is provided at one end of the first support member 110 located on the outer side of both webs. A lifting ring 210 is installed on the first support member 110 between the first blocking member 130 and one of the webs, and the first blocking member 130 prevents the lifting ring 210 from falling off the first support member 110. The second support member 120 is inserted into an assembly hole in the other web and is connected to the first support member 110 on the inner side of both webs to form a whole. A second blocking member 140 is provided at one end of the second support member 120 located on the outer side of both webs. Another lifting ring 210 is installed on the second support member 120 between the second blocking member 140 and the other web, and the second blocking member 140 prevents the other lifting ring 210 from falling off the second support member 120. Thus, by connecting the first support member 110 and the second support member 120 into a whole on the inner side of the double web, the two blocking members, in conjunction with the web, restrict the corresponding lifting ring 210 to the outer installation area, ensuring the installation stability of the lifting ring 210 and preventing it from slipping off during hoisting. Simultaneously, the overall length of the connecting assembly 100 is formed by splicing the first support member 110 and the second support member 120, allowing for installation or disassembly from both ends. Compared to the method using a single rod, this eliminates the need for a large space for assembly and disassembly, making it suitable for assembling and disassembling the connecting assembly 100 in confined areas.

[0035] Furthermore, the connecting assembly 100 may also include a second locking member 150, which connects the second blocking member 140 to the second support member 120. The second locking member 150 is provided with a pull-out portion 151. When the disassembly puller 300 pulls the pull-out portion 151, causing the second locking member 150 to disengage from the second blocking member 140 and the second support member 120, the connection between the second blocking member 140 and the second support member 120 is unlocked, so that the second blocking member 140 can disengage from the second support member 120, thereby releasing the lateral blocking limit on the other lifting ring 210, allowing the other lifting ring 210 to slide out from the second support member 120. In this way, the operator can release the lifting ring 210 by pulling the lifting part 151 from the ground or a lower position by disassembling the pulling part 300, so that the lifting ring 210 is separated from the second support 120, and the connecting component 100 is separated from the lifting device 200. There is no need to climb to a height for disassembly, and the disassembly operation is simple, which can quickly complete the hoisting and disassembly, shorten the disassembly time, and meet the adhesive open time requirements.

[0036] For example, the first blocking member 130 may be fixedly connected to the first support member 110.

[0037] Correspondingly, during the hoisting and dismantling process, the puller 300 can be used to pull the pull-to-pull portion 151 of the second locking member 150, causing the second locking member 150 to disengage from the second blocking member 140 and the second support member 120. Then, the second blocking member 140 and the lifting ring 210 thereon can be disengaged from the second support member 120. Next, the hoisting device 200 can be used to pull one end of the first support member 110, thereby using the connection between the first support member 110 and the second support member 120 to completely remove the remaining part of the connecting assembly 100 from the double web plate, thus completing the separation of the connecting assembly 100 from the hoisting device 200.

[0038] In another exemplary embodiment, the first blocking member 130 is detachably connected to the first support member 110. Specifically, the connecting assembly 100 further includes a first locking member 160, which connects the first blocking member 130 to the first support member 110. The first locking member 160 is provided with a pull-out portion 151. When an external puller pulls the pull-out portion 151 of the first locking member 160, causing the first locking member 160 to disengage from the first blocking member 130 and the first support member 110, the connection between the first blocking member 130 and the first support member 110 is unlocked, allowing the first blocking member 130 to detach from the first support member 110.

[0039] Accordingly, during the hoisting and dismantling process, the dismantling puller 300 is used to hook the pull-out portion 151 of the first locking member 160, and the first locking member 160 is pulled out, thereby unlocking the connection between the first blocking member 130 and the first support member 110; the lifting ring 210 on the first blocking member 130 and the first support member 110 slides out of the first support member 110; the dismantling puller 300 is used to hook the pull-out portion 151 of the second locking member 150, and the second locking member 150 is pulled out, thereby unlocking the connection between the second blocking member 140 and the second support member 120; the lifting ring 210 on the second blocking member 140 and the second support member 120 slides out of the second support member 120; the hoisting device removes the separated lifting ring 210.

[0040] In some embodiments, such as Figures 3 to 5 As shown, the second locking member 150 is configured as a resilient locking pin. Both the second support member 120 and the second blocking member 140 have radially formed locking holes 141. During assembly, the second locking member 150 passes through the aligned locking holes 141 on the second support member 120 and the second blocking member 140, thereby connecting the second blocking member 140 to the second support member 120. At this time, the lifting ring 210 is laterally confined inside the second blocking member 140 and cannot slip off.

[0041] It should be noted that after the second locking member 150 connects the second blocking member 140 to the second support member 120, the pull-out portion 151 of the second locking member 150 should be located at the bottom end of the second locking member 150, so as to facilitate the subsequent removal of the second locking member 150 by hooking the pull-out portion 151 with the disassembly puller 300 and applying downward force. The specific connection method between the first locking member 160 and the first support member 110 and the first blocking member 130 can refer to the connection method between the second locking member 150 and the second support member 120 and the second blocking member 140, and will not be repeated here. Among them, the elastic locking pin is a pin with a spring ball, and its specific structure can refer to the prior art, and will not be repeated here.

[0042] For example, the second blocking member 140 is constructed as a ring structure and is sleeved on the second support member 120. This increases the lateral blocking area of ​​the second blocking member 140 on the lifting ring 210, improving the blocking and limiting effect on the lifting ring 210 and preventing the lifting ring 210 from slipping off the side of the second blocking member during lifting, thus ensuring the stability and safety of the lifting operation. Simultaneously, it increases the mating area between the second blocking member 140 and the second locking member 150, enhancing the connection strength between the second blocking member 140 and the second support member 120. This prevents the second blocking member 140 from loosening or shifting under long-term compression from the lifting ring 210, further ensuring the structural stability of the entire lifting support structure. Furthermore, it avoids adding excessive assembly steps, facilitating on-site installation and subsequent maintenance and disassembly.

[0043] Another example is that the second blocking member 140 may also be constructed as an arc-shaped structure or other arbitrary shape.

[0044] Regarding the specific structure of the pull-out portion 151 of the second locking member 150, this disclosure provides two feasible embodiments for reference.

[0045] Example 1, such as Figure 4 As shown, the pull-out portion 151 of the second locking member 150 can be configured as a pull ring. When it is necessary to pull out the second locking member 150, the operator can directly pull the pull ring through the disassembly puller 300 to disassemble the second locking member 150. The structure of the pull ring is easy to process and the production cost is easier to control.

[0046] Furthermore, the pull-out portion 151 of the second locking member 150 is connected to the second support member 120 via the first pull rope. In this way, when the second locking member 150 is pushed off the second support member 120 and slides down, the first pull rope can hold the second locking member 150, preventing the second locking member 150 from falling and causing the loss of parts. It can also prevent it from falling and injuring operators or equipment below, thereby improving the safety factor of on-site lifting operations.

[0047] In Embodiment 2, the pull-out portion 151 of the second locking member 150 is configured as a first pull rope; one end of the pull-out portion 151 of the second locking member 150 is connected to the second locking member 150, and the other end is connected to the second support member 120. When it is necessary to pull out the second locking member 150, the operator can directly pull the first pull rope through the disassembly puller 300 to disassemble the second locking member 150, thus eliminating the need for additional independent components such as pull rings, reducing the number of parts, simplifying the overall structure, and further reducing processing and assembly costs. At the same time, it can also hold the parts after the second locking member 150 is pulled out to avoid the risk of falling.

[0048] It should be noted that the structures of the pull-out portion 151 of the first locking member 160 and the pull-out portion 151 of the second locking member 150 may be the same or different. The specific structure of the pull-out portion 151 of the first locking member 160 can be referred to the detailed description of the pull-out portion 151 of the second locking member 150 described above, and will not be repeated here.

[0049] In some embodiments, the second blocking member 140 is connected to the second support member 120 via a second pull rope 142. Thus, the second pull rope 142 can hold the part after the second blocking member 140 is disengaged, preventing the part from falling and causing safety accidents or loss. Simultaneously, when it is necessary to remove the second blocking member 140 from the second support member 120, the operator can pull the second pull rope 142 via the disassembly pull member 300, causing the second blocking member 140 to slide out, simplifying the disassembly operation.

[0050] In some embodiments, the first blocking member 130 can be connected to the first support member 110 via a second pull rope 142. This allows the second pull rope 142 to hold the first blocking member 130 in place after it has detached, preventing it from falling and causing accidents or loss. Furthermore, when it is necessary to remove the first blocking member 130 from the first support member 110, the operator can pull the second pull rope 142 via the disassembly pull 300, causing the first blocking member 130 to slide out, simplifying the disassembly operation.

[0051] In some embodiments, such as Figure 3 and Figure 5 As shown, the first support member 110 and the second support member 120 are connected by threads to facilitate length adaptation and quick splicing and fixing between the two webs.

[0052] For example, the connection between the first support member 110 and the second support member 120 can be a concave-convex fit, so that after the first support member 110 and the second support member 120 are connected, the outer peripheral surfaces of the first support member 110 and the second support member 120 can be smoothly connected, and the assembly hole diameters on the double web plates can be kept consistent, which facilitates production and processing.

[0053] In some other embodiments, the first support 110 and the second support 120 may also be magnetically connected.

[0054] In some embodiments, a first retaining ring 111 is provided on the first support member 110, located between the first blocking member 130 and the double webs. A lifting ring 210 is installed on the first support member 110 between the first blocking member 130 and the first retaining ring 111. A second retaining ring 121 is provided on the second support member 120, located between the second blocking member 140 and the double webs. Another lifting ring 210 is installed on the second support member 120 between the second blocking member 140 and the second retaining ring 121. Thus, the first retaining ring 111 and the second retaining ring 121, in conjunction with the connection of the first support member 110 and the second support member 120, can participate in the assembly of the double webs, connecting the two webs into one unit for convenient transport. For example, with the connection of the first support member 110 and the second support member 120, the first retaining ring 111 and the second retaining ring 121 can clamp the double webs inwards, and in conjunction with other connecting components that can support the double webs outwards, connect the two webs into one unit. At the same time, the first retaining ring 111 and the second retaining ring 121 can block the two lifting rings 210 and the double webs, preventing the lifting rings 210 from rubbing against the double webs and connecting the two webs into one.

[0055] Furthermore, the first support member 110 is provided with a third retaining ring 112, which is located between the first blocking member 130 and the first retaining ring 111. The first support member 110, located between the first blocking member 130 and the third retaining ring 112, is used to install the lifting ring 210. The first support member 110, located between the first retaining ring 111 and the third retaining ring 112, is used to connect the second pull rope 142 connected to the first blocking member 130 and the first pull rope connected to the first locking member 160. In this way, the third retaining ring 112 can isolate the connection points of the first and second pull ropes on the first support member 110 from the connection points of the lifting ring 210 on the first support member 110, avoiding mutual interference and ensuring stability during assembly and disassembly.

[0056] Furthermore, the second support member 120 is provided with a fourth retaining ring 122, which is located between the second blocking member 140 and the second retaining ring 121. Another lifting ring 210 is installed on the second support member 120 between the second blocking member 140 and the fourth retaining ring 122. A second pull rope 142 connected to the second blocking member 140 and a first pull rope connected to the second locking member 150 are connected to the second support member 120 via the fourth retaining ring 122. In this way, the connection point of the first and second pull ropes on the second support member 120 is isolated from the connection point of the lifting ring 210 on the second support member 120 by the fourth retaining ring 122, avoiding mutual interference and ensuring stability during assembly and disassembly.

[0057] For example, the first retaining ring 111 and the third retaining ring 112 can be welded to the first support member 110, or the first retaining ring 111, the third retaining ring 112 and the first support member 110 can be integrally formed. The second retaining ring 121 and the fourth retaining ring 122 can be welded to the second support member 120, or the second retaining ring 121, the fourth retaining ring 122 and the second support member 120 can be integrally formed.

[0058] To facilitate the rapid passage of the first support member 110 and the second support member 120 through their respective web hole positions, guide portions 170 are provided at the ends of the first support member 110 and the second support member 120 away from the first support member 110. The diameter of the guide portions 170 decreases towards the junction of the first support member 110 and the second support member 120. For example, the guide portion 170 may be chamfered or conical, thereby providing good guidance and facilitating the installation of the first blocking member 130 and the second blocking member 140.

[0059] According to another aspect of this disclosure, a method for disassembling a double-web lifting system is also provided, applied after the double web and connecting assembly as a whole have been lifted by a lifting device to a predetermined position on the lower shell of a wind turbine blade. The method includes: using a disassembly puller 300 to hook the pull-out portion 151 of the first locking member 160, pulling out the first locking member 160, thereby unlocking the connection between the first blocking member 130 and the first support member 110; allowing the lifting ring 210 on the first blocking member 130 and the first support member 110 to slide out from the first support member 110; using the disassembly puller 300 to hook the pull-out portion 151 of the second locking member 150, pulling out the second locking member 150, thereby unlocking the connection between the second blocking member 140 and the second support member 120; allowing the lifting ring 210 on the second blocking member 140 and the second support member 120 to slide out from the second support member 120; and the lifting device removing the separated lifting ring 210.

[0060] The terms "upper" and "lower" used in this disclosure are used to describe the relative positional relationship of the various structures in the accompanying drawings. They are only for the purpose of clarity of description and are not intended to limit the scope of implementation of this disclosure. Changes or adjustments to the relative relationships without substantially altering the technical content should also be considered as part of the scope of implementation of this disclosure.

[0061] It should be noted that, in this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0062] Furthermore, in this disclosure, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0063] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure, and are not intended to limit them. Although this disclosure has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this disclosure.

Claims

1. A connecting component, characterized in that, The connecting assembly (100) is used for hoisting the double web of the wind turbine blade, and the connecting assembly (100) includes: The first support member (110) is used to be inserted into the assembly hole of one of the webs. The first support member (110) is provided with a first blocking member (130) at one end of the first support member (110) located outside the double webs. A lifting ring (210) is installed on the first support member (110) between the first blocking member (130) and one of the webs. The second support member (120) is used to be inserted into the assembly hole of the other web plate and connected to the first support member (110) on the inner side of the double web plate. The second support member (120) has a second blocking member (140) at one end located on the outer side of the double web plate. Another lifting ring (210) is installed on the second support member (120) between the second blocking member (140) and the other web plate. The second locking member (150) connects the second blocking member (140) to the second support member (120), and the second locking member (150) is provided with a pull-out portion (151). When the disassembly puller (300) pulls the part to be pulled (151) to disengage the second locking member (150) from the second blocking member (140) and the second support member (120), the connection between the second blocking member (140) and the second support member (120) is unlocked, so that the second blocking member (140) can be disengaged from the second support member (120).

2. The connection component according to claim 1, characterized in that, The connecting assembly further includes a first locking member (160), which connects the first blocking member (130) to the first support member (110), and the first locking member (160) is provided with a pull-out portion (151). When the external puller pulls the pull-to-pull portion (151) of the first locking member (160) to disengage the first locking member (160) from the first blocking member (130) and the first support member (110), the connection between the first blocking member (130) and the first support member (110) is unlocked, so that the first blocking member (130) can disengage from the first support member (110).

3. The connection component according to claim 1 or 2, characterized in that, The second locking element (150) is configured as a resilient locking pin; Both the second support member (120) and the second blocking member (140) are provided with locking holes (141). The second locking member (150) passes through the locking holes (141) on the second support member (120) and the second blocking member (140) to connect the second blocking member (140) to the second support member (120).

4. The connecting component according to claim 3, characterized in that, The second blocking member (140) is constructed as a ring structure and is sleeved on the second support member (120).

5. The connecting component according to claim 3, characterized in that, The pull-out portion (151) of the second locking member (150) is configured as a pull ring; The pull-out portion (151) of the second locking member (150) is connected to the second support member (120) via the first pull rope.

6. The connecting component according to claim 3, characterized in that, The pull-out portion (151) of the second locking member (150) is configured as a first pull cord; One end of the pull-out portion (151) of the second locking member (150) is connected to the second locking member (150), and the other end is connected to the second support member (120).

7. The connecting component according to claim 3, characterized in that, The second blocking member (140) is connected to the second supporting member (120) via the second pull rope (142).

8. The connection component according to claim 1 or 2, characterized in that, The first support member (110) and the second support member (120) are threaded together.

9. The connection component according to claim 8, characterized in that, The first support member (110) is provided with a first retaining ring (111), which is located between the first blocking member (130) and the double web plate. The first support member (110) is located between the first blocking member (130) and the first retaining ring (111) for installing a lifting ring (210). The second support member (120) is provided with a second retaining ring (121), which is located between the second blocking member (140) and the double web plate. Another lifting ring (210) is installed on the second support member (120) between the second blocking member (140) and the second retaining ring (121).

10. The connection component according to claim 9, characterized in that, The first support member (110) is provided with a third retaining ring (112), which is located between the first blocking member (130) and the first retaining ring (111). The first support member (110) is located between the first blocking member (130) and the third retaining ring (112) for installing a lifting ring (210). The second support member (120) is provided with a fourth retaining ring (122), which is located between the second blocking member (140) and the second retaining ring (121). Another lifting ring (210) is installed on the second support member (120) between the second blocking member (140) and the fourth retaining ring (122).

11. The connection component according to claim 1, characterized in that, The first support member (110) is provided with a guide portion (170) at the end away from the second support member (120), and the second support member (120) is provided with a guide portion (170) at the end away from the first support member (110). The diameter of the guide portion (170) decreases towards the connection point away from the first support member (110) and the second support member (120).

12. A double-web lifting system, characterized in that, The double-web lifting system includes: The connecting component (100) according to any one of claims 1 to 11; A lifting device (200) having two lifting rings (210), one of which is mounted on the first support member (110) and the other of which is mounted on the second support member (120); The disassembly puller (300) is used at least to pull the part to be pulled (151) so that the second locking member (150) is disengaged from the second blocking member (140) and the second support member (120).

13. The double-web lifting system according to claim 12, characterized in that, The disassembly puller (300) includes a telescopic rod (310) and a hook (320), the hook (320) being located at the telescopic end of the telescopic rod (310).

14. A method for disassembling a double-webbed hoisting system, characterized in that, The method, applied after the double webs and connecting assembly are hoisted as a whole to a predetermined position on the lower shell of the wind turbine blade by a lifting device, includes: Using the disassembly puller (300), hook the pullable part (151) of the first locking member (160) and pull out the first locking member (160) so that the connection between the first blocking member (130) and the first support member (110) is unlocked; The lifting rings (210) on the first blocking member (130) and the first supporting member (110) slide out of the first supporting member (110); Using the disassembly puller (300), hook the pull-out part (151) of the second locking member (150) and pull out the second locking member (150) so that the connection between the second blocking member (140) and the second support member (120) is unlocked; The lifting ring (210) on the second blocking member (140) and the second supporting member (120) slides out of the second supporting member (120); The lifting device (200) removes the lifting ring (210).

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