Wind power blade demoulding hoisting protection device

Abstract

The utility model discloses a wind power blade demoulding hoisting protection device which comprises a hoisting mechanism, the bottom of the hoisting mechanism is fixedly connected with an upper clamping plate, the bottom of the upper clamping plate is fixedly connected with a spring, one end of the spring is fixedly connected with a buffer plate, and the bottom of the upper clamping plate is symmetrically and fixedly connected with rotating seats. A limiting ring is slidably connected to the outer side of the rotating seat, a rotating shaft is rotatably connected to the interior of the rotating seat, and when the wind power blade is hoisted in use, in order to prevent the wind power blade from being disturbed by uncontrolled force in the hoisting process and from being scratched and other unnecessary damage, a spring is arranged, a buffer plate is fixed to the bottom of the spring, and therefore the wind power blade is hoisted through the buffer plate; a buffer plate is arranged between the blade and the hoisting structure, a buffer effect can be achieved between the blade and the hoisting structure, a protective pad is additionally arranged at the bottom of the buffer plate, a rotating shaft is arranged, the motor box drives the rotating shaft to rotate in the upper clamping plate, the lower clamping plate and the rotating seat, and the distance between the upper clamping plate and the lower clamping plate is stretched through rotation of the rotating shaft.

Description

Technical Field

[0001] The utility model belongs to the technical field of wind turbine blades, and in particular relates to a demoulding and hoisting protective device for wind turbine blades. Background Art

[0002] The main beam of the wind turbine blade is formed on a separate mold and is guaranteed to be polished and clean on the surface. After the main beam is transferred from the cutting workshop to the skinning workshop, it needs to be manually demolded, and then some residual attachments after demolding need to be peeled off. Wind energy is the most commercially valuable energy in the world's clean energy utilization and an important member of the future renewable energy field. Wind is one of the pollution-free energy sources, and it is inexhaustible. For coastal islands, grassland pastoral areas, mountainous areas and plateau areas that lack water, fuel and transportation, it is very suitable to use wind power generation according to local conditions. There is a lot of potential. Offshore wind power is an important field for the development of renewable energy, an important force to promote the advancement of wind power technology and industrial upgrading, and an important measure to promote the adjustment of energy structure. Wind turbines are important devices for converting wind energy into electrical energy, and wind turbine blades are an important part of wind turbines.

[0003] At present, after the wind turbine blades are molded, they have to go through demolding. In the post-processing stage, they have to go through transportation to various workstations and hoisting in the wind farm. Some existing wind turbine blade hoisting devices do not have adequate lifting protection measures, and the blades can easily be damaged during hoisting. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a wind turbine blade demoulding and lifting protection device to solve the problem that some existing wind turbine blade lifting devices proposed in the above background technology have inadequate lifting protection measures and are likely to cause damage to the blades during lifting.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind turbine blade demoulding and lifting protection device, including a lifting mechanism, an upper clamping plate is fixedly connected to the bottom of the lifting mechanism, a spring is fixedly connected to the bottom of the upper clamping plate, one end of the spring is fixedly connected to a buffer plate, the bottom of the upper clamping plate is symmetrically fixedly connected to a rotating seat, the outer side of the rotating seat is slidably connected to a limiting ring, the inner part of the rotating seat is rotatably connected to a rotating shaft, one end of the rotating shaft is fixedly connected to a fixed seat, and the other end of the rotating shaft is rotatably connected to a motor box.

[0006] Preferably, a protective pad is fixedly connected to the bottom of the buffer plate.

[0007] Preferably, the protective pad is made of soft rubber material.

[0008] Preferably, the outer side of the rotating shaft is threadedly connected to a limiting clamp, the inner side of one end of the limiting clamp is threadedly connected to a screw rod, and the outer side of the screw rod is threadedly connected to a nut.

[0009] Preferably, four of the limit clamps are symmetrically arranged, and a plurality of the nuts and springs are arranged.

[0010] Preferably, a card slot is symmetrically arranged inside the rotating seat at the lower end, and a card block is snap-connected inside the card slot.

[0011] Preferably, the outer surfaces of the springs are coated with a corrosion-resistant layer.

[0012] Preferably, one side of the upper clamping plate and the lower clamping plate is configured to be in an arc shape.

[0013] Compared with the prior art, the utility model provides a wind turbine blade demoulding and hoisting protection device, which has the following beneficial effects:

[0014] 1. The utility model sets a spring. When hoisting the wind turbine blade, in order to prevent the blade from being disturbed by uncontrolled forces during the hoisting process and causing unnecessary damage such as scratches to the blade itself, a spring is set. A buffer plate is fixed at the bottom of the spring, which can play a buffering role between the blade and the hoisting structure. A protective pad is added to the bottom of the buffer plate to double enhance protection, thereby improving the safety of the overall hoisting work and improving work efficiency to a certain extent.

[0015] 2. The utility model sets a rotating shaft, and drives the rotating shaft to rotate inside the upper clamping plate, the lower clamping plate and the rotating seat through a motor box, and stretches the distance between the upper clamping plate and the lower clamping plate through the rotation of the rotating shaft. After the distance between the upper clamping plate and the lower clamping plate is stretched to a suitable position, the limiting clamp and the clamping block inside the limiting clamp are clamped into the clamping groove inside the lower end limiting clamp, and the limiting clamp is doubly fixed by a screw and a nut, thereby realizing the limiting effect of the rotating shaft, and the operation is simple and convenient.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of the axial structure of a wind turbine blade demoulding and hoisting protection device proposed by the utility model;

[0019] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at point A;

[0020] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at B;

[0021] Figure 4 A schematic diagram of the vertical cross-sectional structure of the rotating shaft of a wind turbine blade demoulding and hoisting protection device proposed by the utility model;

[0022] Figure 5 This is a side structural schematic diagram of a wind turbine blade demoulding and hoisting protection device proposed by the utility model;

[0023] Figure 6 This is a front structural schematic diagram of a wind turbine blade demoulding and hoisting protection device proposed by the utility model;

[0024] Figure 7 This is a schematic diagram of the cross-sectional structure of a wind turbine blade demoulding and hoisting protection device proposed by the utility model;

[0025] In the figure: lifting mechanism 1, upper clamping plate 2, lower clamping plate 3, rotating seat 4, rotating shaft 5, limiting clamp 6, screw 7, nut 8, slot 9, block 10, fixing seat 11, motor box 12, limiting ring 13, spring 14, buffer plate 15, protective pad 16. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-7The utility model provides a technical solution: a wind turbine blade demoulding and hoisting protection device, including a hoisting mechanism 1, an upper clamping plate 2 is fixedly connected to the bottom of the hoisting mechanism 1, a spring 14 is fixedly connected to the bottom of the upper clamping plate 2, and a buffer plate 15 is fixedly connected to one end of the spring 14. When the wind turbine blade is hoisted, in order to prevent the blade from being disturbed by uncontrolled forces during the hoisting process and causing unnecessary damage such as scratches to the blade itself, the spring 14 is provided, and a buffer plate 15 is fixed to the bottom of the spring 14, which can play a buffering role between the blade and the hoisting structure, and a buffer plate 15 is added to the bottom of the buffer plate 15. The protective pad 16 has double enhanced protection, which improves the safety of the overall lifting work and improves the work efficiency to a certain extent. The bottom of the upper clamping plate 2 is symmetrically fixedly connected with a rotating seat 4, the outer side of the rotating seat 4 is slidably connected to a limiting ring 13, and the inside of the rotating seat 4 is rotatably connected with a rotating shaft 5. One end of the rotating shaft 5 is fixedly connected to a fixed seat 11, and the other end of the rotating shaft 5 is rotatably connected to a motor box 12. The motor box 12 drives the rotating shaft 5 to rotate inside the upper clamping plate 2, the lower clamping plate 3 and the rotating seat 4, and the distance between the upper clamping plate 2 and the lower clamping plate 3 is stretched by the rotation of the rotating shaft 5.

[0028] In the present invention, preferably, a protective pad 16 is fixedly connected to the bottom of the buffer plate 15 .

[0029] In the present invention, preferably, the protective pad 16 is made of soft rubber material.

[0030] In the utility model, preferably, the outer thread of the rotating shaft 5 is connected to a limiting clamp 6, the internal thread of one end of the limiting clamp 6 is connected to a screw 7, and the outer thread of the screw 7 is connected to a nut 8. After the distance between the upper clamping plate 2 and the lower clamping plate 3 is stretched to a suitable position, the limiting clamp 6 and the clamping block 10 inside the limiting clamp 6 are clamped into the clamping groove 9 inside the lower end limiting clamp 6, and then the limiting clamp 6 is doubly fixed by the screw 7 and the nut 8, so as to realize the limiting effect of the rotating shaft 5, and the operation is simple and convenient.

[0031] In the present invention, preferably, four limiting clamps 6 are symmetrically arranged, and a plurality of nuts 8 and springs 14 are arranged.

[0032] In the present invention, preferably, the lower end rotating seat 4 is symmetrically provided with a clamping groove 9 inside, and the inside of the clamping groove 9 is clamped and connected with a clamping block 10 to fix the upper and lower ends of the limiting clamp 6.

[0033] In the present invention, preferably, the outer surface of the spring 14 is coated with a corrosion-resistant layer, which can effectively prevent the outer surface of the spring 14 from being oxidized due to long-term use, thereby preventing rust from causing the spring 14 to become stuck when stretched or compressed.

[0034] In the present invention, preferably, one side of the upper clamping plate 2 and the lower clamping plate 3 is configured to be in an arc shape.

[0035] The working principle and use process of the utility model are as follows: when in use, by setting the spring 14, when the wind turbine blade is hoisted, in order to prevent the blade itself from being disturbed by uncontrolled forces during the hoisting process and causing unnecessary damage such as scratches, the spring 14 is set, and a buffer plate 15 is fixed at the bottom of the spring 14, which can play a buffering role between the blade and the hoisting structure. A protective pad 16 is added to the bottom of the buffer plate 15, and the rotating shaft 5 is set. The rotating shaft 5 is driven by the motor box 12 to rotate inside the upper clamping plate 2, the lower clamping plate 3 and the rotating seat 4, and the rotation of the rotating shaft 5 is used to stretch the blade. The distance between the upper clamping plate 2 and the lower clamping plate 3, after the distance between the upper clamping plate 2 and the lower clamping plate 3 is stretched to a suitable position, the limit clamp 6 and the block 10 inside the limit clamp 6 are clamped into the groove 9 inside the lower end limit clamp 6, and then the limit clamp 6 is doubly fixed by the screw 7 and the nut 8, so as to realize the limiting effect on the rotating shaft 5. Similarly, when it is necessary to loosen the device, the upper end of the limit clamp 6 and the lower end of the limit clamp 6 are opened, and the rotating shaft 5 is driven to rotate by the motor box 12 again to pull the distance between the upper clamping plate 2 and the lower clamping plate 3.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wind turbine blade demoulding and hoisting protection device, comprising a hoisting mechanism (1), characterized in that: The bottom of the lifting mechanism (1) is fixedly connected to an upper clamping plate (2), the bottom of the upper clamping plate (2) is fixedly connected to a spring (14), one end of the spring (14) is fixedly connected to a buffer plate (15), the bottom of the upper clamping plate (2) is symmetrically fixedly connected to a rotating seat (4), the outer side of the rotating seat (4) is slidably connected to a limiting ring (13), the inside of the rotating seat (4) is rotatably connected to a rotating shaft (5), one end of the rotating shaft (5) is fixedly connected to a fixed seat (11), and the other end of the rotating shaft (5) is rotatably connected to a motor box (12).

2. A wind turbine blade demoulding and hoisting protection device according to claim 1, characterized in that: A protective pad (16) is fixedly connected to the bottom of the buffer plate (15).

3. A wind turbine blade demoulding and hoisting protection device according to claim 2, characterized in that: The protective pad (16) is made of soft rubber material.

4. A wind turbine blade demoulding and hoisting protection device according to claim 3, characterized in that: The outer side of the rotating shaft (5) is threadedly connected to a limit clamp (6), one end of the limit clamp (6) is threadedly connected to a screw rod (7), and the outer side of the screw rod (7) is threadedly connected to a nut (8).

5. A wind turbine blade demoulding and hoisting protection device according to claim 4, characterized in that: The limit clamps (6) are symmetrically arranged in four numbers, and the nuts (8) and springs (14) are each arranged in a plurality.

6. A wind turbine blade demoulding and hoisting protection device according to claim 5, characterized in that: A clamping groove (9) is symmetrically arranged inside the rotating seat (4) at the lower end, and a clamping block (10) is clamped and connected inside the clamping groove (9).

7. A wind turbine blade demoulding and hoisting protection device according to claim 6, characterized in that: The outer surfaces of the springs (14) are coated with a corrosion-resistant layer.

8. A wind turbine blade demoulding and hoisting protection device according to claim 7, characterized in that: One side of the upper clamping plate (2) and the lower clamping plate (3) is arranged in an arc shape.

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