Universal supporting device for wind power blade

Abstract

The universal supporting device for the wind power blade further comprises two limiting blocks, a bearing plate and an expansion protection assembly, the symmetrical limiting blocks are arranged in a base in a sliding mode, and a driving assembly is arranged on the inner bottom wall of the base and used for driving the symmetrical limiting blocks to move oppositely in the length direction of the base. The bearing plate is fixedly connected to the middle of the opposite inner side walls of the base and used for supporting the bottom of the wind power blade, an elastic supporting assembly is arranged in the bearing plate in an up-down sliding mode, and the expansion protection assembly is fixedly connected to the upper portion of the limiting block, synchronously moves along with the limiting block and is used for expanding and supporting the two sides of the wind power blade in the height direction. The utility model belongs to the technical field of supporting equipment, and particularly relates to a supporting device used for solving the problems that an existing supporting device is fixed in size, the supporting rotation angle is limited during transportation, and blades are damaged due to insufficient damping in the transportation process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to support equipment technical field, especially, relate to a general support device for wind power blade. BACKGROUND

[0002] The flange plate is a key connecting component of the wind power blade, and plays an important role in the transportation, installation and maintenance of the blade. The wind power blade is fixed with the transportation support equipment through the fixing mechanism, so that displacement or shaking of the wind power blade is avoided during bumpy mountain roads or sea transportation.

[0003] According to the utility model patent of application No. CN202020544005.1, a pull-out type special transport vehicle for wind power blades is disclosed. For the rear telescopic part, the provided size is fixed and cannot be adapted to wind power blades of different specifications and sizes. Moreover, the rear telescopic part needs to be additionally installed with a rotating disc to realize the limiting of the rotation of the wind power blade. The front and rear disassembly work is relatively complicated, and the angle of rotation is limited. The vibration acceleration during transportation is large, and the problem of wind power blade tolerance and shock absorption needs to be considered. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is that the existing support device has a fixed size, the support rotation angle is limited during transportation, and the blade is damaged due to insufficient shock absorption during the transportation process.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A general support device for wind power blades comprises a base, wherein the base is provided in the form of a cavity with an upper opening;

[0007] Further comprising two limiting blocks, a bearing plate and an expansion protection assembly, the symmetrical limiting blocks are slidingly arranged in the base, a driving assembly is arranged on the inner bottom wall of the base for driving the symmetrical limiting blocks to move towards each other along the length direction of the base, the bearing plate is fixedly connected to the middle of the opposite inner side walls of the base for supporting the flange plate of the wind power blade, an elastic support assembly is slidingly arranged in the bearing plate, the expansion protection assembly is fixedly connected to the upper part of the limiting block and moves synchronously with the limiting block for expanding the support in the height direction of the two sides of the wind power blade.

[0008] Further, a sliding groove is formed in the middle of the inner bottom wall of the base, the upper corner of the side of the limiting block away from the bearing plate is provided in the form of a chamfer, and a roller is rotatably connected to the corner of the side of the limiting block away from the chamfer.

[0009] Further, the driving assembly comprises a screw rod, a moving block and a rotating motor, the rotating motor is installed on the side wall of the base, the screw rod is rotationally connected to the opposite inner side walls of the sliding groove, one end of the screw rod penetrates through the side wall of the base and is fixedly connected to the output end of the rotating motor, the moving block is sleeved on the outer wall of the screw rod and is threadedly connected with the screw rod, and the moving block is fixedly connected with the bottom wall of the limiting block.

[0010] Further, the expanding protection assembly comprises a cylinder, a connecting rod, a sliding frame and a pressing roller, the cylinder is fixedly connected to the chamfered side edge of the limiting block, the connecting rod is rotationally connected to the telescopic end of the cylinder, the connecting rod is horizontally arranged, the sliding frame is slidably arranged in the connecting rod and penetrates through the side wall of the connecting rod, and the pressing roller is rotationally connected to the outer side wall of the connecting frame and is symmetrically arranged around the connecting rod.

[0011] Further, the elastic supporting assembly comprises a sliding rod, a stop block, a supporting spring and a buffer plate, the sliding rod is slidably arranged in the bearing plate and penetrates through the bearing plate, the stop block is fixedly connected to the bottom of the sliding rod, the buffer plate is fixedly connected to the upper portion of the sliding rod, the supporting spring is arranged on the outer side wall of the sliding rod, the supporting spring is located between the buffer plate and the bearing plate, and the upper wall corner of the buffer plate is fixedly connected with a limiting plate.

[0012] Further, the base is fixedly connected with supporting legs at the corners of the bottom wall, and the supporting legs are provided with fixing holes.

[0013] After the above structure is adopted, the wind power blade universal supporting device has the following beneficial effects:

[0014] 1. The flange plate at the tail end of the wind power blade is supported at the center of the base by the bearing plate, and the elastic supporting assembly provides upward supporting elastic force, so that the wind power blade is not in hard contact with the bearing plate when the wind power blade is placed, vibration during transportation is reduced, the limiting blocks moving towards each other in the base support the wind power blade from the lower side of the two sides of the wind power blade, and the wind power blade is limited.

[0015] 2. The expanding protection assembly moving with the limiting blocks extends obliquely upwards on the two sides of the wind power blade, acts on the two sides of the wind power blade, and slides the sliding frame, so that the pressing roller is pressed on the flange plate of the wind power blade, the rolling pressing roller is in rolling contact with the wind power blade, the expanding support during transportation is realized, and the support for the rotation of the wind power blade is also provided. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present application, constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0017] Figure 1 It is an overall structure schematic view of the wind power blade universal supporting device.

[0018] Figure 2 A support leg structure schematic view of a general type support device for wind power blade is provided in the utility model;

[0019] Figure 3 An internal structure schematic view of a general type support device for wind power blade is provided in the utility model;

[0020] Figure 4 A half sectional view of a general type support device for wind power blade is provided in the utility model;

[0021] Figure 5 For Figure 4 The local enlarged view of A part in the middle.

[0022] In the drawings:

[0023] 1, base, 2, limit block, 3, bearing plate, 4, expansion protection assembly, 5, drive assembly, 6, elastic support assembly, 7, sliding groove, 8, roller, 9, screw, 10, moving block, 11, rotary motor, 12, air cylinder, 13, connecting rod, 14, sliding frame, 15, pressing roller, 16, slide rod, 17, stop block, 18, support spring, 19, buffer plate, 20, limit plate, 21, support leg, 22, fixed hole. DETAILED DESCRIPTION

[0024] Example 1

[0025] As Figures 1-5 Indicated, a general type support device for wind power blade, including base 1, base 1 is set up the cavity of upper opening, still including two limit blocks 2, bearing plate 3 and expansion protection assembly 4, symmetrical limit block 2 is slidably arranged in base 1, the inner bottom wall of base 1 is provided with drive assembly 5, for driving symmetrical limit block 2 to move along the length direction of base 1, bearing plate 3 is fixedly connected to the middle of opposite inner side wall of base 1, for supporting the bottom of wind power blade, the elastic support assembly 6 is slidably arranged in bearing plate 3, expansion protection assembly 4 is fixedly connected to the upper portion of limit block 2, and moves synchronously with limit block 2, for the height direction expansion support of wind power blade both sides, the middle of inner bottom wall of base 1 is provided with sliding groove 7, the upper corner of the side of limit block 2 away from bearing plate 3 is set up the chamfer, the corner of the side of limit block 2 away from chamfer is rotatably connected with roller 8, the support leg 21 is fixedly connected to the corner of bottom wall of base 1, the fixed hole 22 is formed in support leg 21, and base 1 is fixed by bolt connection through the fixed hole 22 in support leg 21.

[0026] In use of the structure, when the wind power blade is placed, the part with the flange plate is in contact with the bearing plate 3 through the elastic supporting assembly 6, the driving assembly 5 rotates in the sliding groove 7, pushes the symmetrical moving blocks 10 to move towards each other, supports and limits the oblique lower sides of the two sides of the wind power blade, and the expansion protection assembly 4 moving with the limiting block 2 extends obliquely upwards at the two sides of the wind power blade, acts on the two sides of the wind power blade, and presses and limits the flange plate in cooperation with the elastic buffering assembly.

[0027] As shown in Figure 1 and Figure 3 , the elastic supporting assembly 6 comprises a sliding rod 16, a stop block 17, a supporting spring 18 and a buffer plate 19, the sliding rod 16 is slidably arranged in the bearing plate 3, the stop block 17 is fixedly connected to the bottom of the sliding rod 16, the buffer plate 19 is fixedly connected to the upper part of the sliding rod 16, the supporting spring 18 is arranged around the outer wall of the sliding rod 16, the supporting spring 18 is located between the buffer plate 19 and the bearing plate 3, the upper wall corner of the buffer plate 19 is fixedly connected with a limiting plate 20, when the flange plate of the wind power blade is placed downward, it is in contact with the buffer plate 19, the sliding rod 16 is pressed downward, the supporting spring 18 is contracted, the buffer plate 19 slowly descends, the stop block 17 moves downward, until it contacts the inner bottom wall of the base 1, at the same time, the bottom wall of the buffer plate 19 is attached to the upper wall of the bearing plate 3, thereby supporting the flange plate of the wind power blade, and the limiting plate 20 at the upper corner of the buffer plate 19 is in contact with the arc outer wall of the wind power blade.

[0028] As shown in Figures 3-5 , in order to realize the movement of the symmetrical limiting blocks 2 towards each other, so that they can support and limit the oblique lower sides of the two sides of the wind power blade, the driving assembly 5 comprises a screw rod 9, a moving block 10 and a rotating motor 11, the rotating motor 11 is installed on the side wall of the base 1, the screw rod 9 is rotatably connected to the opposite inner side walls of the sliding groove 7, one end of the screw rod 9 penetrates the side wall of the base 1 and is fixedly connected to the output end of the rotating motor 11, the moving block 10 is sleeved on the outer wall of the screw rod 9 and is threadedly connected with the screw rod 9, the moving block 10 is fixedly connected with the bottom wall of the limiting block 2, the rotating motor 11 is driven to rotate, the screw rod rotates in the sliding groove 7, the screw rod adopts a positive and negative threaded screw rod, and pushes the moving blocks 10 on the two sides to move towards each other along the length direction of the sliding groove 7, at the same time, the limiting blocks 2 slide towards each other and are attached to the inner bottom wall of the base 1, when they are close to the oblique lower sides of the two sides of the wind power blade, the support and limitation of the two sides of the wind power blade are realized.

[0029] As shown in Figures 3-5As shown, in order to further improve the limiting stability of wind turbine blade transportation, the expansion protection assembly 4 includes a cylinder 12, a connecting rod 13, a sliding frame 14 and a pressing roller 15. The cylinder 12 is fixedly connected to the chamfered side edge of the limiting block 2. The connecting rod 13 is rotatably connected to the telescopic end of the cylinder 12. The connecting rod 13 is horizontally arranged. The sliding frame 14 is slidably arranged in the connecting rod 13 through the side wall of the connecting rod 13. The pressing roller 15 is rotatably connected to the outer side wall of the connecting frame and is symmetrically arranged with the connecting rod 13 as the center. The cylinder 12 moves synchronously with the limiting block 2. The telescopic end of the cylinder 12 is inclined upward to make the pressing roller 15 on the sliding frame 14 contact the side wall of the wind turbine blade, rotate the sliding frame 14 and slide downward in the connecting rod 13. The pressing roller 15 on the lower side of the sliding frame 14 is pressed on the upper wall of the flange carried by the buffer plate 19 to completely support the bottom and both sides of the wind turbine blade and increase the limiting stability. The rolling pressing roller 15 is used to roll with the wind turbine blade to realize the expansion support during transportation and provide support for the rotation of the wind turbine blade. The upper pressing roller 15 of the symmetric sliding frame 14 can be used to connect the rope and pass above the wind turbine blade.

[0030] In specific use, the operator inserts the base 1 into the fixed hole 22 in the supporting leg 21 through the bolt fixation, places the wind turbine blade at the center position of the longitudinal center line of the vehicle, and replaces the structure part of the rear telescopic part in the comparative document 1.

[0031] When placed, the flange of the wind turbine blade contacts the buffer plate 19 downward, the sliding rod 16 is pressed downward, the supporting spring 18 is contracted, the buffer plate 19 is slowly lowered, the stop block 17 is moved downward, and the buffer plate 19 is in contact with the inner bottom wall of the base 1. At the same time, the bottom wall of the buffer plate 19 is attached to the upper wall of the bearing plate 3 to realize the support of the flange of the wind turbine blade. The limiting plate 20 at the upper corner of the buffer plate 19 is in contact with the arc outer wall of the wind turbine blade.

[0032] When supporting and limiting the two sides of the wind turbine blade, the rotating motor 11 is driven to rotate, the stud is rotated in the sliding groove 7, the stud adopts a positive and negative threaded stud, the two side moving blocks 10 are pushed to move towards each other along the length direction of the sliding groove 7, and the limiting block 2 is attached to the inner bottom wall of the base 1 and slides towards each other. When close to the two sides of the wind turbine blade, the support and limitation of the two sides of the wind turbine blade are realized.

[0033] When the wind power blade is fixed on both sides, the air cylinder 12 moves synchronously with the limiting block 2, the telescopic end of the air cylinder 12 is supported by the chamfered edge of the limiting block 2 and extends obliquely upward, the pressing roller 15 on the sliding frame 14 contacts the side wall of the wind power blade, the sliding frame 14 is rotated, and the pressing roller 15 on the lower side of the sliding frame 14 is pressed on the upper wall of the flange plate supported by the buffer plate 19, so that the bottom and both sides of the wind power blade are completely supported and the limiting stability is increased, and the upper pressing roller 15 of the symmetrical sliding frame 14 can be used to connect the rope, which is wound around the upper side of the wind power blade, thereby further increasing the limiting.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents. In general, if a person skilled in the art is inspired by the present application, without departing from the purpose of the present application, similar structural modes and embodiments can be designed without creative design, which should belong to the protection scope of the present application.

Claims

1. A general support device for wind turbine blades, comprising a base (1) in the form of an open cavity in the upper part, characterised in that: Also include two limit block (2), bearing plate (3) and expansion protection assembly (4), symmetric said limit block (2) sliding in the base (1), the bottom wall in the base (1) is equipped with drive assembly (5), for driving the symmetric limit block (2) along the length direction of base (1) moves to each other, the bearing plate (3) is fixedly connected to the opposite inner side wall of base (1) intermediate, for supporting wind power blade flange, the bearing plate (3) is equipped with elastic support assembly (6) in the upper and lower sliding of bearing plate (3), the expansion protection assembly (4) is fixedly connected to the upper portion of limit block (2), and moves synchronously with limit block (2), for the height direction expansion support of wind power blade both sides.

2. A wind turbine blade universal support device according to claim 1, characterized in that: The middle of the inner bottom wall of the base (1) is provided with a sliding groove (7), and the upper corner of the side of the limit block (2) away from the bearing plate (3) is provided with a chamfer.

3. A wind turbine blade universal support device according to claim 2, characterized in that: The drive assembly (5) includes a screw rod (9), a moving block (10) and a rotary motor (11), the rotary motor (11) is installed on the side wall of the base (1), the screw rod (9) is rotatably connected to the opposite inner side wall of the sliding groove (7), and one end of the screw rod (9) penetrates through the side wall of the base (1) and is fixedly connected to the output end of the rotary motor (11), the moving block (10) is sleeved on the outer wall of the screw rod (9) and is threadedly connected with the screw rod (9), and the moving block (10) is fixedly connected with the bottom wall of the limit block (2).

4. A wind turbine blade universal support device according to claim 1, characterized in that: The expansion protection assembly (4) includes a gas cylinder (12), a connecting rod (13), a sliding frame (14) and a pressing roller (15), the gas cylinder (12) is fixedly connected to the chamfered bevel of the limit block (2), the connecting rod (13) is rotatably connected to the telescopic end of the gas cylinder (12), the connecting rod (13) is horizontally distributed, the sliding frame (14) is slidably arranged in the connecting rod (13) through the side wall of the connecting rod (13), and the pressing roller (15) is rotatably connected to the outer side wall of the connecting frame and is symmetrically distributed with the connecting rod (13) as the center.

5. A wind turbine blade universal support device according to claim 1, characterized in that: The elastic support assembly (6) includes a sliding rod (16), a stop block (17), a supporting spring (18) and a buffer plate (19), the sliding rod (16) is slidably arranged in the bearing plate (3) through the bearing plate (3), the stop block (17) is fixedly connected to the bottom of the sliding rod (16), the buffer plate (19) is fixedly connected to the upper portion of the sliding rod (16), the supporting spring (18) is arranged on the outer side wall of the sliding rod (16), the supporting spring (18) is located between the buffer plate (19) and the bearing plate (3), and the upper wall corner of the buffer plate (19) is fixedly connected with a limit plate (20).

6. A wind turbine blade universal support device according to claim 1, characterized in that: The support leg (21) is fixedly connected to the corner of the bottom wall of the base (1), and the support leg (21) is provided with a fixing hole (22).

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