Wind power blade hoisting tool

Abstract

The utility model provides a wind power blade hoisting tool which comprises a cross beam, a connecting plate, a first hanging piece and a second hanging piece, a lifting rope is fixedly arranged at the top of the cross beam, the lifting rope is hung on a crane, the connecting plate is fixedly arranged on the cross beam, a lifting ring is inserted into the connecting plate and connected with the lifting rope, and the first hanging piece and the second hanging piece are arranged at the two ends of the cross beam respectively. The blades are located in the first hanging piece and the second hanging piece. According to the wind power blade hoisting tool, through the arrangement of the cross beam, the first hanging piece and the second hanging piece can be ensured to be in a vertical state, the phenomenon that a hoisting belt slides during hoisting is avoided, through the arrangement of the connecting plate and the hoisting rope, the cross beam can be conveniently installed on a crane, convenience is improved, and through the arrangement of the first hanging piece, it is ensured that one side of a blade circle is not prone to sliding. And through the arrangement of the second hanging piece, the device can be fixed to the flat side of the blade, fixation is convenient, and sliding after hoisting is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power installation, and particularly relates to a lifting tool for wind power blades. Background Technique

[0002] As one of the main ways of wind energy utilization, wind power blades are the most critical components in wind turbines, and their performance directly affects the power generation efficiency and stability of the whole unit. The blades capture wind energy and convert it into mechanical energy, and then further convert it into electrical energy. Therefore, the installation quality of wind power blades is directly related to the overall performance and service life of wind turbines.

[0003] At present, there are two ways to install wind power blades. One is to install the rotating hub and the blade on the ground, and then lift the whole up and install it on the nacelle. This method can only be realized in a wide and flat place, such as in mountain slopes, ridges and other areas where this method cannot be used. The other is to first lift the rotating hub and install it on the nacelle, and then lift the blades in turn and fix the blades on the rotating hub in the air. In either case, currently, a crane is generally used during lifting. A sling is hung on the hook and directly sleeved on the blade. This method is prone to cause the sling to slide on the blade, tilt, and cannot be lifted, increasing the installation risk and reducing the installation efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to provide a lifting tool for wind power blades to solve the problem that the existing sling is prone to tilt when lifting the fan blade.

[0005] To achieve the above purpose, the technical solution of the utility model is realized as follows:

[0006] A lifting tool for wind power blades, comprising:

[0007] A cross beam, a lifting rope is fixedly arranged on the top of the cross beam, and the lifting rope is suspended on a crane; a connecting plate is fixedly arranged on the cross beam, a lifting ring is inserted on the connecting plate, and the lifting ring is connected with the lifting rope; a first hanging member and a second hanging member are respectively arranged at both ends of the cross beam, and the blade is located between the first hanging member and the second hanging member.

[0008] Furthermore, a through groove is formed on the cross beam, the connecting plate is a T-shaped plate, the T-shaped plate is inserted into the through groove, a first through hole is formed at the top end of the T-shaped plate, and the lifting ring is inserted into the first through hole.

[0009] Furthermore, the first hanging member includes a hook suspended on the cross beam, a clamping part rotatably arranged on the side wall of the hook, and a sling suspended on the clamping part, and the sling is sleeved on the blade.

[0010] Further, the clamping portion includes an L-shaped rod rotatably arranged on the side wall of the hook and an abutting plate rotatably arranged on the L-shaped rod, and the abutting plate contacts the side wall of the cross beam.

[0011] Further, a cross bar is bent and arranged at the bottom of the hook, and the sling is wound around the end of the cross bar.

[0012] Further, the second hanging member includes a hook screwed on the cross beam and a locking member perpendicular to the cross beam. Between the hook and the locking member, there are the same suspension rings and suspension ropes as those on the cross beam. Second through holes are opened at both ends of the locking member, the suspension ring is inserted into the second through holes, and both ends of the suspension rope are connected to the suspension ring and the hook.

[0013] Further, the locking member includes a bottom rod, a limiting rod rotatably arranged at one end of the bottom rod, and a screw rod screwed on the limiting rod. The second through holes are opened at both ends of the bottom rod, the other end of the limiting rod is clamped at the other end of the bottom rod, and the blade is inserted between the limiting rod and the bottom rod.

[0014] Further, vertical rods are respectively arranged vertically at both ends of the bottom rod. One end of the limiting rod is rotatably connected to the top of one of the vertical rods, and the other end is clamped at the top of the other vertical rod. A universal joint is rotatably arranged on the side surface of the vertical rod, and a baffle is fixedly arranged on the universal joint.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] For the wind turbine blade hoisting tool of the utility model, through the arrangement of the cross beam, it can ensure that the first hanging member and the second hanging member are in a vertical state, avoiding the sliding phenomenon of the sling during hoisting. Through the arrangement of the connecting plate and the suspension rope, it is convenient to install the cross beam on the crane, improving the convenience. Through the arrangement of the first hanging member, it ensures the circular side of the blade, facilitating the sleeving, and can slide on the cross beam, facilitating the adjustment to the horizontal state. Through the arrangement of the second hanging member, it can be fixed on the flat side of the blade, facilitating the fixation and avoiding the sliding after hoisting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0018] In the drawings:

[0019] Figure 1 is the overall structural schematic diagram of the wind turbine blade hoisting tool according to the embodiment of the present utility model;

[0020] Figure 2 Schematic exploded view of the cross beam and the connecting plate according to the embodiment of the present utility model;

[0021] Figure 3 Schematic view of the first hanging member according to the embodiment of the present utility model;

[0022] Figure 4 Schematic exploded view of the first hanging member according to the embodiment of the present utility model;

[0023] Figure 5 Schematic view of the second hanging member according to the embodiment of the present utility model;

[0024] Figure 6 Partial schematic view of the second hanging member according to the embodiment of the present utility model.

[0025] Explanation of reference numerals:

[0026] 1, cross beam; 2, suspension rope; 3, connecting plate; 4, suspension ring;

[0027] 5, first hanging member; 501, hook;

[0028] 502, clamping part; 5021, L-shaped rod; 5022, abutting plate; 5023, cross bar;

[0029] 503, suspension strap;

[0030] 6, second hanging member; 601, lifting hook;

[0031] 602, locking member; 6021, bottom rod; 6022, limiting rod; 6023, screw rod; 6024, vertical rod;

[0032] 603, second through hole; 604, universal joint; 605, baffle;

[0033] 7, through slot; 8, first through hole. Detailed implementation manners

[0034] It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0035] In the description of the present utility model, it should be noted that if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, if terms such as "first" and "second" appear, they are also only for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0036] In addition, in the description of the present utility model, unless otherwise clearly defined, the terms "installation", "connection", and "coupling" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood in combination with specific situations.

[0037] The present utility model will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0038] This embodiment relates to a lifting tool for wind turbine blades. In terms of the overall structure, as Figure 1 shown, it includes a cross beam 1, a connecting plate 3, a first hanging member 5, and a second hanging member 6.

[0039] Among them, a lifting rope 2 is fixedly arranged at the top of the cross beam 1, and the lifting rope 2 is suspended on a crane. The connecting plate 3 is fixedly arranged on the cross beam 1. A lifting ring 4 is inserted into the connecting plate 3, and the lifting ring 4 is connected to the lifting rope 2. The first hanging member 5 and the second hanging member 6 are respectively arranged at both ends of the cross beam 1, and the blade is located between the first hanging member 5 and the second hanging member 6.

[0040] It is worth mentioning that the top end of the lifting rope 2 is suspended on the crane, and the crane can drive the lifting tool to rise and fall. There are two lifting ropes 2 with the same length. The bottom end of the lifting rope 2 is fixedly installed on the cross beam 1 to ensure that the cross beam 1 can be kept horizontal. The connecting plate 3 facilitates the installation of the lifting rope 2. The connecting plate 3 is fixed on the cross beam 1. The lifting ring 4 can be inserted into the top of the connecting plate 3, and the lifting rope 2 passes through the lifting ring 4 to realize the connection between the lifting rope 2 and the cross beam 1. The first hanging member 5 is sleeved on the blade. Since one end of the blade connected to the rotating hub is circular, the first hanging member 5 is convenient to be sleeved on the circular end of the blade. And one end of the blade far from the rotating hub gradually becomes flat. The second hanging member 6 can fix the flat side of the blade. Such a setting can prevent the blade from sliding on the sling 503. After sliding, the center of gravity deviates, resulting in inclination and affecting the installation progress of the blade.

[0041] In addition, the reason for not using two first hanging members 5 is that the blade cannot be fixed and is prone to tilt and slide. The reason for not using two second hanging members 6 is that the height of the second hanging member 6 is limited and it is not convenient to fix the circular position of the blade. Therefore, the first hanging member 5 and the second hanging member 6 need to be used in cooperation. Since the second hanging member 6 fixes the blade, it can also facilitate adjusting the position of the blade during the installation of the blade, improving the installation efficiency.

[0042] Based on the above overall introduction, an exemplary structure of the lifting tool for wind turbine blades in this embodiment is as Figure 2As shown, a through groove 7 is provided on the cross beam 1. The connecting plate 3 is a T-shaped plate, and the T-shaped plate is inserted into the through groove 7. A first through hole 8 is provided at the top end of the T-shaped plate, and the hanging ring 4 is inserted into the first through hole 8.

[0043] It should be noted that the through groove 7 is provided along the height of the cross beam 1. The connecting plate 3 is inserted into the through groove 7. The horizontal plate at the bottom of the T-shaped plate abuts against the bottom of the cross beam 1, which facilitates the installation of the connecting plate 3. The vertical plate of the T-shaped plate is inserted into the through groove 7, and the top end extends out of the through groove 7. The first through hole 8 is provided at the top end of the vertical plate, and the hanging ring 4 is inserted into the first through hole 8, which prevents the connecting plate 3 from disengaging from the through groove 7 and also facilitates the installation of the connecting plate 3 and the hanging ring 4.

[0044] As a preferred embodiment, as Figure 3 shown, in this embodiment, the first hanging member 5 includes a hook 501 hanging on the cross beam 1, a clamping portion 502 rotatably provided on the side wall of the hook 501, and a sling 503 hanging on the clamping portion 502. The sling 503 is sleeved on the blade. It should be noted that the top of the hook 501 is hung on the cross beam 1 to ensure that the first hanging member 5 can slide on the cross beam 1, which is convenient for adjusting to the horizontal of the blade. When the blade is lifted, the blade is in a horizontal state. The clamping portion 502 abuts against the cross beam 1. After the position of the first hanging member 5 is adjusted, the blade is lifted. The clamping portion 502 rotates on the hook 501 and abuts against the cross beam 1, ensuring that the first hanging member 5 will not slide, so as to fix the first hanging member 5 at this position. The sling 503 is hung at the end of the clamping portion 502, ensuring that the clamping portion 502 can be driven to rotate through the sling 503, so as to abut against the cross beam 1.

[0045] Preferably, as Figure 4 shown, the clamping portion 502 of this embodiment includes an L-shaped rod 5021 rotatably provided on the side wall of the hook 501 and an abutting plate 5022 rotatably provided on the L-shaped rod 5021. The abutting plate 5022 contacts the side wall of the cross beam 1. A cross bar 5023 is bent at the bottom of the hook 501, and the sling 503 is wound around the end of the cross bar 5023.

[0046] Specifically, the long rod rotating shaft of the L-shaped rod 5021 is connected to the side arm of the hook 501. The rotating shaft of the abutting plate 5022 is arranged at the end of the short rod of the L-shaped rod 5021. The strap is fixed to the end of the long rod of the L-shaped rod 5021. When the sling 503 hoists the blade, the sling 503 drags the L-shaped rod 5021 to rotate on the hook 501. The L-shaped rod 5021 drives the abutting plate 5022 to abut against the side wall of the cross beam 1. The abutting plate 5022 and the hook 501 clamp the cross beam 1 inside the hook 501. Due to the weight of the blade, it can be ensured that the abutting plate 5022 always abuts against the cross beam 1. The cross bar 5023 is perpendicular to the side arm of the hook 501, that is to say, the cross bar 5023 is horizontally arranged. One end of the cross bar 5023 far from the side arm of the hook 501 is located in the middle of the hook 501, ensuring that the sling 503 extends from the middle of the hook 501 and avoiding the inclination of the first hanging part 5 when hoisting the blade.

[0047] As a preferred embodiment, as Figure 5 shown, in this embodiment, the second hanging part 6 includes a hook 601 screwed on the cross beam 1 and a locking member 602 perpendicular to the cross beam 1. Between the hook 601 and the locking member 602, there are the same suspension rings 4 and suspension ropes 2 as those on the cross beam 1. Second through holes 603 are opened at both ends of the locking member 602, and the suspension ring 4 is inserted into the second through holes 603. Both ends of the suspension rope 2 are connected to the suspension ring 4 and the hook 601.

[0048] It should be noted that the hook 601 is screwed on the cross beam 1, and such a setting ensures convenient disassembly and assembly. The locking member 602 is horizontally arranged and perpendicular to the cross beam 1. Since the blade is parallel to the cross beam 1, the locking member 602 can clamp the blade in the width direction. The second through holes 603 at both ends of the locking member 602 have the same function as the first through hole 8, and the hook 601 and the suspension rope 2 are also the same as those on the cross beam 1. The suspension rope 2 is fixed on the hook 601, and the hook 601 is inserted into the second through holes 603. The two suspension ropes 2 and the two hooks 601 can ensure that the locking member 602 remains horizontal.

[0049] Preferably, as Figure 6 shown, the locking member 602 of this embodiment includes a bottom rod 6021, a limiting rod 6022 rotatably arranged at one end of the bottom rod 6021, and a screw rod 6023 screwed on the limiting rod 6022. The second through holes 603 are opened at both ends of the bottom rod 6021. The other end of the limiting rod 6022 is clamped to the other end of the bottom rod 6021, and the blade is inserted between the limiting rod 6022 and the bottom rod 6021.

[0050] Specifically, the bottom rod 6021 is used to support the blade. The second through holes 603 are opened at both ends of the bottom rod 6021 to ensure that the lifting rope 2 can lift the bottom rod 6021. The limiting rod 6022 can rotate and open on the bottom rod 6021, facilitating the insertion of the bottom rod 6021 at the bottom of the blade. Then, the limiting rod 6022 is rotated in the reverse direction to ensure that the limiting rod 6022 is placed on the upper part of the blade. The limiting rod 6022 and the bottom rod 6021 clamp the blade. A plurality of screw rods 6023 are arranged on the limiting rod 6022. Each screw rod 6023 rotates on the limiting rod 6022 and can fix the blade on the bottom rod 6021. That is to say, the screw rod 6023 and the bottom rod 6021 can clamp the blade, thereby achieving fixation.

[0051] Preferably, still as Figure 6 shown, vertical rods 6024 are respectively vertically arranged at both ends of the bottom rod 6021 of this embodiment. One end of the limiting rod 6022 is rotatably connected to the top of one of the vertical rods 6024, and the other end is clamped to the top of the other vertical rod 6024. A universal joint 604 is rotatably arranged on the side of the vertical rod 6024, and a baffle 605 is fixedly arranged on the universal joint 604.

[0052] Specifically, the vertical rods 6024 are located at both ends of the bottom rod 6021 to ensure that the blade can be located between the bottom rod 6021 and the limiting rod 6022. Strip-shaped holes are opened on the vertical rods 6024. Both ends of the limiting rod 6022 are clamped on the vertical plate through pin shafts. Round holes are opened on the limiting rod 6022, and the pin shafts are inserted into the round holes and the strip-shaped holes. One end of the limiting rod 6022 rotates on one of the vertical rods 6024, and the other end of the limiting rod 6022 is separated from the other vertical rod 6024, facilitating the installation of the second hanging member 6 on the blade. The setting of the universal joint 604 ensures that the angle of the baffle 605 can be adjusted, ensuring that the baffle 605 can rotate along with the side of the blade. The baffle 605 can abut against the blade, ensuring that the side and the upper and lower surfaces of the blade can be fixed, improving the stability of the blade in the second hanging member 6.

[0053] In the wind power blade hoisting tool of this embodiment, through the setting of the cross beam 1, it can be ensured that the first hanging member 5 and the second hanging member 6 are in a vertical state, avoiding the sliding phenomenon of the sling 503 during hoisting. Through the setting of the connecting plate 3 and the lifting rope 2, it is convenient to install the cross beam 1 on the crane, improving the convenience. Through the setting of the first hanging member 5, it is ensured that the circular side of the blade is convenient for sleeving and can slide on the cross beam 1, facilitating adjustment to the horizontal state. Through the setting of the second hanging member 6, it can be fixed on the flat side of the blade, facilitating fixation and avoiding sliding after hoisting.

[0054] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wind power blade hoisting tool, characterized in that, Comprising: A crossbeam (1), a suspension rope (2) is fixedly arranged on the top of the crossbeam (1), and the suspension rope (2) is suspended on a crane; A connecting plate (3), fixedly arranged on the crossbeam (1), a lifting ring (4) is inserted on the connecting plate (3), and the lifting ring (4) is connected to the suspension rope (2); A first hanging member (5) and a second hanging member (6), respectively arranged at both ends of the crossbeam (1), and the blade is located between the first hanging member (5) and the second hanging member (6).

2. The wind power blade hoisting tool according to claim 1, wherein: A through groove (7) is formed on the crossbeam (1), the connecting plate (3) is a T-shaped plate, the T-shaped plate is inserted into the through groove (7), a first through hole (8) is formed at the top end of the T-shaped plate, and the lifting ring (4) is inserted into the first through hole (8).

3. The wind power blade hoisting tool according to claim 1, wherein: The first hanging member (5) includes a hook (501) suspended on the crossbeam (1), a clamping portion (502) rotatably arranged on the side wall of the hook (501), and a sling (503) suspended on the clamping portion (502), and the sling (503) is sleeved on the blade.

4. The wind power blade hoisting tool according to claim 3, wherein: The clamping portion (502) includes an L-shaped rod (5021) rotatably arranged on the side wall of the hook (501), and an abutting plate (5022) rotatably arranged on the L-shaped rod (5021), and the abutting plate (5022) contacts the side wall of the crossbeam (1).

5. The wind power blade hoisting tool according to claim 4, wherein: A cross bar (5023) is bent at the bottom of the hook (501), and the sling (503) surrounds the end of the cross bar (5023).

6. The wind power blade hoisting tool according to claim 2, wherein: The second hanging member (6) includes a hook (601) screwed on the crossbeam (1), and a locking member (602) perpendicular to the crossbeam (1). A lifting ring (4) and a suspension rope (2) the same as those on the crossbeam (1) are arranged between the hook (601) and the locking member (602). Second through holes (603) are formed at both ends of the locking member (602), the lifting ring (4) is inserted into the second through holes (603), and both ends of the suspension rope (2) are connected to the lifting ring (4) and the hook (601).

7. The wind power blade hoisting tool according to claim 6, wherein: The locking member (602) includes a bottom rod (6021), a limiting rod (6022) rotatably arranged at one end of the bottom rod (6021), and a screw rod (6023) screwed on the limiting rod (6022). The second through holes (603) are formed at both ends of the bottom rod (6021), the other end of the limiting rod (6022) is clamped to the other end of the bottom rod (6021), and the blade is inserted between the limiting rod (6022) and the bottom rod (6021).

8. The wind power blade hoisting tool according to claim 7, characterized in that: Vertical poles (6024) are respectively arranged vertically at both ends of the bottom pole (6021), one end of the limiting pole (6022) is rotatably connected to the top of one of the vertical poles (6024), and the other end is clamped to the top of the other vertical pole (6024). A universal joint (604) is rotatably arranged on the side surface of the vertical pole (6024), and a baffle plate (605) is fixedly arranged on the universal joint (604).

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