Wind power blade tip support

Abstract

The utility model discloses a wind power blade tip support which can clamp a blade tip up and down and is stable in fixation. A wind power blade tip support comprises a fixing mechanism, a clamping mechanism is installed on the fixing mechanism, and a blade tip is fixed in the clamping mechanism. The fixing mechanism comprises a plurality of first steel pipes arranged in parallel. Second steel pipes are welded to the head end and the tail end of each first steel pipe correspondingly to define a rectangle. The clamping mechanism comprises a lower clamping assembly and an upper clamping assembly; the lower clamping assembly comprises a plurality of first steel plates which are vertically arranged, the top edges of the first steel plates are bent to be arc-shaped, second steel plates are welded to the first steel plates in a covering mode, and the second steel plates are bent to be arc-shaped to be attached to the outer surface of the blade tip; first connecting plates are welded to the head and tail ends of the first steel plate correspondingly. The upper clamping assembly comprises a plurality of vertically-arranged third steel plates, and second connecting plates are welded to the head ends and the tail ends of the third steel plates correspondingly.

Description

Technical Field

[0001] The utility model belongs to the technical field of wind power equipment, and specifically relates to a wind power blade tip bracket. Background Art

[0002] The wind turbine impeller is the core component of the wind turbine that converts natural wind energy into electricity. It consists of three blades. When the wind blows towards the blades, air pressure is generated on the blades to drive the wind wheel to rotate. The blades consist of the root, blade body and blade tip, and the length of the blade is between 30 meters and 50 meters.

[0003] During transportation, the blade tip of a wind turbine impeller is usually fixed to the transport vehicle with the blade root fixed in the air. This way, if there are potholes on the road during transportation, even if the vehicle is moving at a slow speed, the vibration of the blade body will be transmitted to the blade tip, causing shaking and posing a safety hazard. Some people use a rectangular frame to support the blade tip, but this cannot limit and fix it well. Summary of the invention

[0004] In view of the shortcomings of the above background technology, the purpose of the present invention is to provide a wind turbine blade tip bracket, which can clamp the blade tip up and down to fix it stably.

[0005] In order to solve the above technical problems, the purpose of the utility model is achieved as follows:

[0006] A wind turbine blade tip support comprises a fixing mechanism, a clamping mechanism is installed on the fixing mechanism, and the blade tip is fixed in the clamping mechanism;

[0007] The fixing mechanism comprises a plurality of first steel pipes arranged in parallel, and the first and tail ends of the first steel pipes are respectively welded with second steel pipes to form a rectangle;

[0008] The clamping mechanism includes a lower clamping assembly and an upper clamping assembly; the lower clamping assembly includes a plurality of first steel plates arranged vertically, the top edge of the first steel plate is curved, the first steel plate is covered and welded with a second steel plate, the second steel plate is curved and fits the outer surface wheel of the blade tip; the first and tail ends of the first steel plate are respectively welded with first connecting plates;

[0009] The upper clamp assembly includes several vertically arranged third steel plates, and the head and tail ends of the third steel plates are respectively welded with second connecting plates; the third steel plate rotating shaft is connected to the first pressure plate, the lower surface of the first pressure plate is in contact with the outer surface of the blade tip, and the first pressure plate and the second steel plate are arranged opposite to each other; the blade tip is placed on the second steel plate, the upper clamp assembly and the lower clamp assembly are assembled together, and the bolts pass through the second connecting plate and the first connecting plate and are fixed with nuts.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: three third steel pipes are welded to the two ends of the second steel pipe to form a pyramid tower, and a lifting ring is provided on the top of the pyramid tower; ropes pass through the lifting rings to bind the blade tip and fix it.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: it also includes a connecting component; the connecting component includes a rectangular first connecting plate, a cross-shaped first through hole is opened in the middle of the first connecting plate; a second connecting plate is provided on the four edges of the first connecting plate; it also includes a first plug-in sheet and a second plug-in sheet that are spliced ​​together; a first clamping block protrudes from the top of the first plug-in sheet and the second plug-in sheet, a first slot is opened at the bottom of the first plug-in sheet, and a second slot is opened at the top of the second plug-in sheet, the first slot and the second slot are spliced ​​in a cross, and the first clamping block is inserted into the first through hole; the first plug-in sheet and the second plug-in sheet are inserted into a third steel pipe and welded and fixed, and the second connecting plate is respectively welded and fixed to the three second steel pipes; the connecting component also includes an arched first fixing block, the lifting ring is placed in the first fixing block, and the first fixing block is welded and fixed to the first connecting plate.

[0012] On the basis of the above scheme and as a preferred scheme of the above scheme: a plurality of first connecting blocks are welded between two adjacent first steel pipes in the middle; the middle of the top surface of the first connecting block is recessed to form a first pit; a plurality of second connecting blocks are welded between two adjacent first steel plates in the middle, and the bottoms of the second connecting blocks pass through the first connecting columns in sequence, and the head and tail ends of the first connecting columns are respectively embedded with first stoppers; the first connecting column is placed in the first pit of the first connecting block; it also includes a first locking block, and a second through hole is opened in the middle of the first locking block; the head and tail ends of the first connecting column are respectively inserted into the second through holes of the first locking block, and bolts pass through the first locking block and are threadedly connected and fixed to the first connecting block.

[0013] On the basis of the above scheme and as a preferred scheme of the above scheme: the bottom surface of the first pit is arc-shaped; the first connecting column is cylindrical.

[0014] On the basis of the above scheme and as a preferred scheme of the above scheme: two first pressure plates are connected to the rotating shaft on the third steel plate, one first pressure plate is located opposite to the lowest point of the bending arc of the second steel plate, and the other first pressure plate is located opposite to the highest point of the bending arc of the second steel plate.

[0015] On the basis of the above solution and as a preferred solution of the above solution: third connecting blocks are respectively welded below both ends of the second steel pipe, and a first long hole is opened on the bottom surface of the third connecting block;

[0016] It also includes a support mechanism; the support mechanism includes a fourth steel pipe welded together to form a rectangular frame, four fourth connecting blocks are welded on the top of the rectangular frame, and the top surface of the fourth connecting block is provided with a second long hole;

[0017] It also includes a twist lock, the top and bottom of which are respectively inserted into the first long strip hole and the second long strip hole for rotation and fixation.

[0018] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0019] Compared with the prior art, the wind turbine blade tip bracket of the utility model includes a fixing mechanism, which is placed at a required installation position, a lower clamping assembly is installed on the fixing mechanism, the lower clamping assembly is provided with a first curved arc-shaped steel plate, the upper clamping assembly and the lower clamping assembly are arranged opposite to each other, the upper clamping assembly is provided with a first pressure plate, the lower surface of the first pressure plate is in contact with the blade tip, and the blade tip is clamped and fixed between the second steel plate and the first pressure plate.

[0020] The problem that the blade tip cannot be fixed during transportation is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the installation structure of the utility model.

[0022] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 3 It is a structural schematic diagram of the fixing mechanism of the utility model.

[0024] Figure 4 It is a structural schematic diagram of the lower clamping assembly of the utility model.

[0025] Figure 5 It is a structural schematic diagram of an upper clamping assembly of the utility model.

[0026] Reference numerals: fixing mechanism 01; first steel pipe 010; second steel pipe 011; third steel pipe 012; lifting ring 013; first connecting block 014; first recess 0140; third connecting block 015; clamping mechanism 02; lower clamping assembly 020; first steel plate 0200; second steel plate 0201; first connecting plate 0202; second connecting block 0203; first connecting column 0204; first stopper 02040; first locking block 0205; second through hole 02050; upper clamp Component 021; third steel plate 0210; second connecting plate 0211; first pressing plate 0212; blade tip 03; connecting component 04; first connecting plate 040; first through hole 0400; second connecting plate 041; first insert 042; first clamping block 0420; first slot 0421; second insert 043; second slot 0430; first fixing block 044; supporting mechanism 05; fourth steel pipe 050; fourth connecting block 051; second long strip hole 0510; twist lock 052; DETAILED DESCRIPTION

[0027] The present invention will be further described below with reference to specific embodiments of the invention;

[0028] This embodiment provides a wind turbine blade tip support, including a fixing mechanism 01, on which a clamping mechanism 02 is installed, and a blade tip 03 is fixed inside the clamping mechanism 02; the fixing mechanism 01 is used for supporting and fixing, and the clamping mechanism 02 is used for clamping and fixing the blade tip 03;

[0029] The fixing mechanism 01 includes a plurality of first steel pipes 010 arranged in parallel, and the first and tail ends of the first steel pipes 010 are respectively welded with second steel pipes 011 to form a rectangle; the first steel pipes 010 and the second steel pipes 011 are welded, which is convenient to produce and has high strength;

[0030] The clamping mechanism 02 includes a lower clamping assembly 020 and an upper clamping assembly 021; the lower clamping assembly 020 includes a plurality of vertically arranged first steel plates 0200, the first steel plates 0200 are arranged vertically and used as a supporting frame; the top edge of the first steel plate 0200 is curved, the first steel plate 0200 is covered and welded with a second steel plate 0201, and the second steel plate 0201 welds and combines a plurality of first steel plates 0200; the curved arc of the second steel plate 0201 fits the outer surface wheel of the blade tip 03; the first connecting plates 0202040 are respectively welded at the head and tail ends of the first steel plate 0200; the first connecting plates 0202040 can also be made of steel plates for easy production;

[0031] The upper clamping assembly 021 includes a plurality of vertically arranged third steel plates 0210, which are arranged vertically and used as a supporting frame; second connecting plates 0211041 are respectively welded to the head and tail ends of the third steel plate 0210, and two second connecting plates 0211041 weld the third steel plate 0210 together; the third steel plate 0210 is connected to the first pressure plate 0212 by the rotating shaft, and the lower surface of the first pressure plate 0212 is in contact with the outer surface of the blade tip 03, and the first pressure plate 0212 and the second steel plate 0201 are arranged opposite to each other; the top of the first pressure plate 0212 passes through the rotating shaft, and the rotating shaft is inserted into the third steel plate 0210 to realize the rotating connection, and the first pressure plate 0212 can adjust the angle.

[0032] The blade tip 03 is placed on the second steel plate 0201, the upper clamp assembly 021 and the lower clamp assembly 020 are put together, and the bolts pass through the second connecting plate 0211041 and the first connecting plate 0202040 and are screwed on with nuts to fix them.

[0033] As described above, in the specific installation process, the fixing mechanism 01 is placed at a position that can stabilize the blade tip 03, the lower frame assembly is placed on the first steel pipe 010, the blade tip 03 is placed on the second steel plate 0201, the upper clamp assembly 021 and the lower clamp assembly 020 are matched, the first pressure plate 0212 is against the blade tip 03, the bolts pass through the first connecting plate 0202040 and the second connecting plate 0211041, and the nuts are screwed on to fix them, so that the blade tip 03 is clamped and fixed, and it will not shake easily during transportation.

[0034] Furthermore, three third steel pipes 012 are welded to the two ends of the second steel pipe 011 to form a pyramid tower, and a lifting ring 013 is provided on the top of the pyramid tower; a rope passes through the lifting ring 013 to bind and fix the blade tip 03.

[0035] As described above, the third steel pipe 012 is welded together to form a pyramid tower, and a pyramid tower is welded at each of the four corners of the fixing mechanism 01. The rope passes through the ring 013 to bind and fix the blade tip 03, so that the blade tip 03 is more stable.

[0036] Furthermore, it also includes a connecting component 04; the connecting component 04 includes a rectangular first connecting plate 0202040, a cross-shaped first through hole 0400 is opened in the middle of the first connecting plate 0202040; second connecting plates 0211041 are arranged on the four edges of the first connecting plate 0202040; the first connecting plate 0202040 and the second connecting plate 0211041 are integrally formed into a metal plate;

[0037] The first plug-in sheet 042 and the second plug-in sheet 043 are also metal plates.

[0038] A first clamping block 0420 is protruded from the top of the first plug-in piece 042 and the second plug-in piece 043. A first slot 0421 is provided at the bottom of the first plug-in piece 042, and a second slot 0430 is provided at the top of the second plug-in piece 043. The first slot 0421 and the second slot 0430 are spliced ​​in a cross shape, and the first clamping block 0420 is inserted into the first through hole 0400. The first plug-in piece 042 and the second plug-in piece 043 are inserted into a third steel pipe 012 and fixed by welding, and the second connecting plates 0211041 are respectively fixed by welding to the three second steel pipes 011;

[0039] The connecting assembly 04 further comprises an arched first fixing block 044 , the lifting ring 013 is placed in the first fixing block 044 , and the edge of the first fixing block 044 is welded and fixed to the first connecting plate 0202040 .

[0040] As mentioned above, in order to make the connection between the three third steel pipes 012 more secure, a first connecting plate 0202040 and a second connecting plate 0211041 are additionally provided, the first plug 042 and the second plug 043 are welded inside the third steel pipe 012 in the middle position, and the second connecting plate 0211041 is respectively welded to the third steel plate 0210 to achieve a combined effect. At the same time, the first fixing block 044 is welded and fixed on the first connecting plate 0202040 to serve as a limiting piece for the lifting ring 013, which is not easy to fall off.

[0041] Furthermore, a plurality of first connection blocks 014 are welded between two adjacent first steel pipes 010; the top surface of the first connection block 014 is concave in the middle to form a first pit 0140; the first connection block 014 has a strengthening connection effect;

[0042] A plurality of second connection blocks 0203 are welded between two adjacent first steel plates 0200 in the middle, and the second connection blocks 0203 also have a strengthening connection effect; the bottom of the second connection block 0203 passes through the first connection column 0204 in sequence, and a hole is opened at the bottom of the second connection block 0203, through which the first connection column 0204 passes; the first end portions of the first connection column 0204 are respectively embedded with first stoppers 02040, and the first stoppers 02040 are fixed on the first connection column 0204 to prevent them from falling out; the first connection column 0204 is placed in the first recess 0140 of the first connection block 014;

[0043] It also includes a first locking block 0205, a second through hole 02050 is opened in the middle of the first locking block 0205; the first locking block 0205 is a metal block; the head and tail ends of the first connecting column 0204 are respectively inserted into the second through hole 02050 of the first locking block 0205, and the bolt passes through the first locking block 0205 and is threadedly connected and fixed to the first connecting block 014.

[0044] As described above, in order to ensure connection strength between the lower clamp assembly 020 and the fixing mechanism 01, a first connecting column 0204 is installed at the bottom of the lower clamp assembly 020, a first connecting block 014 is installed on the fixing mechanism 01, and a first locking block 0205 serves as an intermediate connecting piece to connect and fix the two.

[0045] Furthermore, the bottom surface of the first pit 0140 is arc-shaped; and the first connecting column 0204 is cylindrical.

[0046] As described above, the insertion of the first connecting column 0204 is facilitated.

[0047] Furthermore, two first pressing plates 0212 are connected to the rotating shaft on the third steel plate 0210, one first pressing plate 0212 is located opposite to the lowest point of the curved arc of the second steel plate 0201, and the other first pressing plate 0212 is located opposite to the highest point of the curved arc of the second steel plate 0201.

[0048] As described above, in order to make the blade tip 03 clamped more closely and firmly, two first pressure plates 0212 are provided, which are respectively located at the widest and narrowest parts of the cross section of the blade tip 03, and cooperate with the second steel plate 0201 for clamping and fixing.

[0049] Furthermore, third connection blocks 015 are respectively welded below both ends of the second steel pipe 011, and a first long hole is opened on the bottom surface of the third connection block 015;

[0050] It also includes a support mechanism 05; the support mechanism 05 includes a fourth steel pipe 050 welded together to form a rectangular frame, four fourth connecting blocks 051 are welded on the top of the rectangular frame, and the top surface of the fourth connecting block 051 is provided with a second long hole 0510;

[0051] The twist lock 052 is also included, and the top and bottom of the twist lock 052 are respectively inserted into the first elongated hole and the second elongated hole 0510 to be rotated and fixed.

[0052] As mentioned above, the support mechanism 05 is added to raise the fixing mechanism 01 and the clamping mechanism 02 to match the height of the blade tip 03. The twist lock 052 is fixed to the container in the prior art, which is not an improvement of the present invention and will not be described here. The support mechanism 05 and the fixing mechanism 01 are connected and fixed by the twist lock 052, which is easy to operate.

[0053] In the description of the present utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present utility model.

[0054] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the present utility model, unless otherwise clearly specified and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection;

[0055] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wind turbine blade tip support, characterized in that: It includes a fixing mechanism, on which a clamping mechanism is installed, and the blade tip is fixed in the clamping mechanism; The fixing mechanism comprises a plurality of first steel pipes arranged in parallel, and the first and tail ends of the first steel pipes are respectively welded with second steel pipes to form a rectangle; The clamping mechanism includes a lower clamping assembly and an upper clamping assembly; the lower clamping assembly includes a plurality of first steel plates arranged vertically, the top edge of the first steel plate is curved, the first steel plate is covered and welded with a second steel plate, the second steel plate is curved and fits the outer surface wheel of the blade tip; the first and tail ends of the first steel plate are respectively welded with first connecting plates; The upper clamp assembly includes several vertically arranged third steel plates, and the head and tail ends of the third steel plates are respectively welded with second connecting plates; the third steel plate rotating shaft is connected to the first pressure plate, the lower surface of the first pressure plate is in contact with the outer surface of the blade tip, and the first pressure plate and the second steel plate are arranged opposite to each other; the blade tip is placed on the second steel plate, the upper clamp assembly and the lower clamp assembly are assembled together, and the bolts pass through the second connecting plate and the first connecting plate and are fixed with nuts.

2. The wind turbine blade tip support according to claim 1, characterized in that: Three third steel pipes are welded to the two ends of the second steel pipe to form a pyramid tower. A lifting ring is arranged on the top of the pyramid tower. A rope passes through the lifting ring to bind the blade tip and fix it.

3. The wind turbine blade tip support according to claim 2, characterized in that: It also includes a connecting assembly; the connecting assembly includes a rectangular first connecting plate, a cross-shaped first through hole is opened in the middle of the first connecting plate; and second connecting plates are arranged on the four edges of the first connecting plate; It also includes a first plug-in sheet and a second plug-in sheet that are assembled together; a first card block protrudes from the top of the first plug-in sheet and the second plug-in sheet, a first slot is opened at the bottom of the first plug-in sheet, and a second slot is opened at the top of the second plug-in sheet, the first slot and the second slot are spliced ​​in a cross shape, and the first card block is inserted into the first through hole; the first plug-in sheet and the second plug-in sheet are inserted into a third steel pipe and welded and fixed, and the second connecting plate is respectively welded and fixed to the three second steel pipes; The connecting assembly also includes an arched first fixing block, the lifting ring is placed in the first fixing block, and the edge of the first fixing block is welded and fixed to the first connecting plate.

4. The wind turbine blade tip support according to claim 1, characterized in that: A plurality of first connection blocks are welded between two adjacent first steel pipes; the top surface of the first connection block is concave in the middle to form a first pit; A plurality of second connection blocks are welded between two adjacent first steel plates in the middle, the bottoms of the second connection blocks pass through the first connection columns in sequence, and the first and tail ends of the first connection columns are respectively embedded with first stoppers; the first connection columns are placed in the first recesses of the first connection blocks; It also includes a first locking block, a second through hole is opened in the middle of the first locking block; the first and tail ends of the first connecting column are respectively inserted into the second through hole of the first locking block, and the bolt passes through the first locking block and is threadedly connected and fixed to the first connecting block.

5. The wind turbine blade tip support according to claim 4, characterized in that: The bottom surface of the first pit is arc-shaped; the first connecting column is cylindrical.

6. The wind turbine blade tip support according to claim 1, characterized in that: Two first pressing plates are connected to the rotating shaft on the third steel plate, one first pressing plate is located opposite to the lowest point of the curved arc of the second steel plate, and the other first pressing plate is located opposite to the highest point of the curved arc of the second steel plate.

7. The wind turbine blade tip support according to claim 1, characterized in that: A third connection block is welded below both ends of the second steel pipe, and a first long hole is opened on the bottom surface of the third connection block; It also includes a support mechanism; the support mechanism includes a fourth steel pipe welded together to form a rectangular frame, four fourth connecting blocks are welded on the top of the rectangular frame, and the top surface of the fourth connecting block is provided with a second long hole; It also includes a twist lock, the top and bottom of which are respectively inserted into the first long strip hole and the second long strip hole for rotation and fixation.

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