Convenient access storage device for the main beam of wind turbine blades

Abstract

The present invention relates to the technical field of wind turbine blades, and particularly relates to a storage device for facilitating the access of the main beam of a wind turbine blade. The storage device for facilitating the access of the main beam of a wind turbine blade includes a support frame, and a plurality of horizontal plates for placing the main beam are arranged on the support frame. The plurality of horizontal plates are arranged at intervals in the vertical direction. Each horizontal plate is rotationally assembled on the support frame in the horizontal direction, so that when the main beam on each horizontal plate except the uppermost horizontal plate needs to be taken out, the adjacent upper horizontal plate can rotate in the horizontal direction to create an operating space for the main beam to be taken out. The present invention does not need to set a large interval between adjacent horizontal plates, and can obtain a large operating space when accessing the wind turbine blade. The whole device has a compact structure, occupies less space in the vertical direction, saves time and effort, and reduces the safety hazards in the work of accessing the main beam.

Description

Technical Field

[0001] The invention relates to the technical field of wind turbine blades, and in particular to a storage device for main beams of wind turbine blades which is convenient for storing and accessing. Background Art

[0002] As a clean and renewable energy, wind energy is increasingly valued by countries around the world, and its reserves are extremely huge. As one of the new energy industries today, wind power generation has developed by leaps and bounds due to its environmental protection and energy-saving development. At present, there are tens of thousands of wind turbines across my country, and it still has a rapid development momentum. The basic working principle of a wind turbine is to absorb energy from the wind through a wind wheel and convert wind energy into mechanical energy using aerodynamic principles, and then convert mechanical energy into electrical energy through a generator. The wind wheel includes a hub and wind turbine blades. The longer the wind turbine blades are, the more wind energy they absorb and the higher the power generation of the unit. Wind turbine blades are the most basic but most critical components of a wind turbine. Their good design, reliable quality and superior performance are the determining factors to ensure the normal and stable operation of the unit.

[0003] Wind turbine blades are mainly composed of skin and main beams. As the main bearing structure of the blades, the main beams bear most of the bending load of the blades. They are basically long strips with a length of 30m~60m, a width of 0.5m~0.7m, and a thickness of 30mm~60mm. They are relatively large in size. When the main beams are stored in the workshop, since the shapes of the main beams are roughly the same, in order to save storage space, multiple sets of main beams are generally stacked and stored. The defects of this more traditional storage method are: adjacent main beams will squeeze each other and are easy to deform. When main beams of different models are stored together, in order to remove the main beams on the lower side, all the main beams on the upper side need to be removed, which is labor-intensive, time-consuming and labor-intensive. When the main beams of the same model are stored, in order to save time, the upper main beams are often removed, which results in the lower main beams not being used for a long time, being severely damaged by squeezing, and even being scrapped.

[0004] In response to the above problems, some companies choose to place the main beams on a placement rack. The placement rack usually includes multiple layers of cross plates. However, due to the large size of the main beams, in order to facilitate placing the main beams into or taking them out of the cross plates, the intervals between adjacent cross plates in the upper and lower directions are set larger. This not only causes the placement rack to occupy a larger space in the upper and lower directions, but also requires the staff to exert greater labor intensity than usual when taking out the main beams in a higher position. This is time-consuming and labor-intensive, and also increases the safety risks of the main beam storage and retrieval work. Summary of the invention

[0005] In view of this, the object of the present invention is to provide a storage device for facilitating the access of the main beam of a wind turbine blade. The whole device has a compact structure, occupies less space in the vertical direction, and each layer of the main beam has sufficient operating space when being taken out, saving time and effort and reducing the potential safety hazards in the work of accessing the main beam.

[0006] To achieve the above object, the following technical solutions are adopted for the storage device for facilitating the access of the main beam of a wind turbine blade provided by the present invention:

[0007] The storage device for facilitating the access of the main beam of a wind turbine blade includes a support frame, and a plurality of horizontal plates for placing the main beam are arranged on the support frame. The plurality of horizontal plates are arranged at intervals in the vertical direction, and each horizontal plate is rotationally assembled on the support frame in the horizontal direction, so that when the main beam on each horizontal plate except the uppermost horizontal plate needs to be taken out, the adjacent upper horizontal plate can rotate in the horizontal direction to create an operating space for the main beam to be taken out.

[0008] Furthermore, each horizontal plate includes a base and a bearing plate that is telescopically assembled on the base relative to the base. The base is connected with a driving mechanism for driving the bearing plate to telescopically move. The bearing plate is used for bearing and placing the main beam, and the base is used for rotationally assembling with the support frame.

[0009] Furthermore, the driving mechanism is a hydraulic cylinder, and the output end of the hydraulic cylinder is connected to the bearing plate.

[0010] Furthermore, the hydraulic cylinder is arranged at the lower end of the base. The output end of the hydraulic cylinder is connected with a guide rod, and the guide rod passes through the base upward and is connected to the bearing plate. It is defined that when the bearing plate moves out relative to the base, it moves forward, and when it retracts, it moves backward. A strip-shaped groove extending in the front-back direction for the guide rod to pass through is arranged on the base, and the length of the strip-shaped groove extending in the front-back direction forms the stroke distance that the bearing plate can move relative to the base.

[0011] Furthermore, a limiting block is also provided on the base at the rear side of the bearing plate.

[0012] Furthermore, a rotating disk sleeved on the support frame is provided on the lower side of the base, a rotating driving mechanism is arranged on the upper side of the rotating disk, and the output end of the rotating driving mechanism is connected to the rotating disk.

[0013] Furthermore, the rotating driving mechanism is a motor.

[0014] Furthermore, two support cross bars are provided at the lower end of the support frame, and both of the two support cross bars are connected to the support frame through support diagonal bars.

[0015] The beneficial effects of the storage device for the main beam of a wind turbine blade that facilitates access are as follows: Since the multi-layer cross plates are rotatably assembled on the support frame, when it is necessary to store a wind turbine blade on a set-layer cross plate (the operation space above the uppermost cross plate is relatively large, and the wind turbine blade can be directly accessed) or take out the wind turbine blade from the set-layer cross plate, the cross plate above the set-layer cross plate is rotated horizontally by a certain angle, so that sufficient access space can be provided for the wind turbine blade on the set-layer cross plate. On this basis, the cross plate is divided into a base and a bearing plate that can be telescopically extended back and forth along the base, which can extend the overall length of the cross plate, making this layer of cross plate have a part that protrudes from the entire support frame compared with other layers of cross plates. At this time, whether storing or taking out the wind turbine blade, the storage or retrieval of the wind turbine blade can be successfully realized by means of this protruding part. For example, when storing, one end of the wind turbine blade can be placed on the above-mentioned protruding part and then the whole is pushed into the cross plate. When taking out, one end of the wind turbine blade on the above-mentioned protruding part can be clamped first and then the whole is pulled out;

[0016] Compared with the prior art, the present invention does not need to set a large interval between adjacent cross plates, and can obtain a large operation space when accessing the wind turbine blade. The whole device has a compact structure, occupies less space in the up and down direction, saves time and effort, and reduces the safety hazards in the work of accessing the main beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the front view of the storage device for the main beam of a wind turbine blade provided by the present invention;

[0018] Figure 2 is Figure 1 a partial cross-sectional view of

[0019] Figure 3 is Figure 1 the left view of

[0020] Reference numerals in the figure: 1, support frame; 2, cross plate; 3, base; 4, bearing plate; 5, drive mechanism; 6, guide rod; 7, strip groove; 8, limit block; 9, rotating disk; 10, rotation drive mechanism; 11, support cross bar; 12, support diagonal bar. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention fall within the scope of protection of the present invention. Figures 1-3

[0022] ​A storage device for facilitating access to the main beam of a wind turbine blade, comprising a support frame 1, wherein a plurality of horizontal plates 2 for placing the main beam are arranged on the support frame 1, the plurality of horizontal plates 2 are arranged at intervals in the up-and-down direction, and each horizontal plate 2 is rotationally assembled on the support frame 1 in the horizontal direction, so that when the main beam on each horizontal plate 2 except the uppermost horizontal plate 2 needs to be taken out, the adjacent upper horizontal plate 2 can rotate in the horizontal direction to create an operation space for the main beam to be taken out.

[0023] Each horizontal plate 2 includes a base 3 and a bearing plate 4 that is telescopically assembled on the base 3 and can be telescoped relative to the base 3. The base 3 is connected with a driving mechanism 5 for driving the bearing plate 4 to move telescopically. The bearing plate 4 is used for bearing and placing the main beam, and the base 3 is used for rotational assembly with the support frame 1.

[0024] The driving mechanism 5 is a hydraulic cylinder, and the output end of the hydraulic cylinder is connected to the bearing plate 4.

[0025] The hydraulic cylinder is arranged at the lower end of the base 3. The output end of the hydraulic cylinder is connected with a guide rod 6. The guide rod 6 passes upward through the base 3 and is connected to the bearing plate 4. It is defined that when the bearing plate 4 moves out relative to the base 3, it moves forward, and when it retracts, it moves backward. A strip-shaped groove 7 extending in the front-back direction for the guide rod 6 to pass through is arranged on the base 3. The length of the strip-shaped groove 7 extending in the front-back direction forms the stroke distance that the bearing plate 4 can move relative to the base 3.

[0026] The base 3 also has a limit block 8 located at the rear side of the bearing plate 4.

[0027] A rotating disk 9 sleeved on the support frame 1 is arranged on the lower side of the base 3. A rotation driving mechanism 10 is arranged on the upper side of the rotating disk 9, and the output end of the rotation driving mechanism 10 is connected to the rotating disk 9.

[0028] The rotation driving mechanism 10 is a motor.

[0029] Two support cross bars 11 are arranged at the lower end of the support frame 1, and both two support cross bars 11 are connected to the support frame 1 through support inclined bars 12.

[0030] The working principle of the storage device for facilitating the access of the main beam of a wind turbine blade provided by the present invention is as follows: Since the multi-layer cross plates 2 are rotatably assembled on the support frame 1, when it is necessary to store a wind turbine blade on a set cross plate 2 (the operating space above the uppermost cross plate 2 is relatively large, and the wind turbine blade can be directly accessed) or take out the wind turbine blade from the set cross plate 2, the cross plate 2 above the set cross plate 2 is rotated horizontally by a certain angle, so that sufficient access space can be provided for the wind turbine blade on the set cross plate 2. On this basis, the cross plate 2 is divided into a base 3 and a bearing plate 4 that can be telescopically extended back and forth along the base 3, which can extend the overall length of the cross plate 2, making this layer of cross plate 2 have a part protruding from the entire support frame 1 compared with other layers of cross plates 2. At this time, whether storing or taking out the wind turbine blade, the storage or taking out of the wind turbine blade can be smoothly realized by means of this protruding part. For example, when storing, one end of the wind turbine blade can be placed on the above-mentioned protruding part and then the whole is pushed into the cross plate 2. When taking out, one end of the wind turbine blade on the above-mentioned protruding part can be clamped first, and then the whole is pulled out;

[0031] Compared with the prior art, the present invention does not need to set a large interval between adjacent cross plates 2, and can obtain a large operating space when accessing the wind turbine blade. The whole device has a compact structure, occupies less space in the up and down direction, saves time and effort, and reduces the potential safety hazards in the work of accessing the main beam.

[0032] Second Embodiment:

[0033] The difference between this embodiment and the first embodiment is that the lower end of the support frame is no longer a structure composed of a support cross bar and a support diagonal bar, but a horizontal support plate is provided.

[0034] Third Embodiment:

[0035] The difference between this embodiment and the first embodiment is that the rotation driving mechanism is not a motor, but a hydraulic motor.

[0036] Fourth Embodiment:

[0037] The difference between this embodiment and the first embodiment is that the hydraulic cylinder is no longer arranged at the lower end of the base, but on the upper side of the base and the rear side of the bearing plate.

[0038] Fifth Embodiment:

[0039] The difference between this embodiment and the first embodiment is that the driving mechanism is no longer a hydraulic cylinder, but an electric push rod.

[0040] Sixth Embodiment:

[0041] The difference between this embodiment and the first embodiment is that the cross plate no longer includes a base and a bearing plate, but is an integral structure.

[0042] In the present invention, unless otherwise clearly specified or limited, for example, it may be fixedly connected, may be detachably connected, or may be integrated; it may be mechanically connected, may be electrically connected; it may be directly connected, or may be indirectly connected through an intermediate medium, and may be the communication inside two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] The above are the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle described in the present invention, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A storage device for facilitating access to the main beam of a wind turbine blade, comprising a support frame, wherein a plurality of horizontal plates for placing the main beam are arranged on the support frame, and the plurality of horizontal plates are arranged at intervals in the up-and-down direction, and it is characterized in that: Each of the horizontal plates is rotatably assembled on the support frame in the horizontal direction, so that when the main beams on each horizontal plate except the uppermost one need to be taken out, the horizontal plate on its adjacent upper side can rotate in the horizontal direction to create an operating space for the main beam to be taken out; Each of the horizontal plates includes a base and a bearing plate that is telescopically assembled on the base and can be telescoped relative to the base. The base is connected with a driving mechanism for driving the telescopic movement of the bearing plate. The bearing plate is used for carrying and placing the main beam, and the base is used for rotatably assembling with the support frame; The lower side of the base has a rotating disk sleeved on the support frame, and a rotation driving mechanism is arranged on the upper side of the rotating disk. The output end of the rotation driving mechanism is connected to the rotating disk; The driving mechanism is a hydraulic cylinder, and the output end of the hydraulic cylinder is connected to the bearing plate; The hydraulic cylinder is arranged at the lower end of the base. The output end of the hydraulic cylinder is connected with a guide rod. The guide rod passes through the base upward and is connected with the bearing plate. It is defined that when the bearing plate moves out relative to the base, it moves forward, and when it retracts, it moves backward. A strip-shaped groove extending forward and backward for the guide rod to pass through is arranged on the base. The length of the strip-shaped groove extending forward and backward forms the stroke distance that the bearing plate can move relative to the base; The lower end of the support frame has two support cross bars, and both support cross bars are connected to the support frame through support diagonal bars.

2. The wind turbine blade main beam storage device facilitating access according to claim 1, wherein: The base also has a limit block located at the rear side of the bearing plate.

3. The storage device for facilitating the access to and storage of the main beam of a wind turbine blade according to claim 2, wherein: The rotation driving mechanism is a motor.

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