Reinforcing tool device for blade test

Abstract

The embodiment of the utility model provides a reinforcing tool device for blade testing, which comprises an upper tool and a lower tool which are oppositely arranged, and further comprises a fixing and locking device which is used for locking the upper tool and the lower tool and applying force to the upper tool and the lower tool. Therefore, the upper tool and the lower tool are close to each other and separated from each other. According to the technical scheme, the reinforcing tool device for blade testing is provided with the fixing and locking device, and the wind power blade can be fixed and tested in an adjustable mode. And a more stable frame structure is provided, and the connecting rigidity can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wind power blade testing, and in particular relates to a reinforcement tooling device for blade testing. Background Art

[0002] As the power of wind turbines increases, the length of wind turbine blades, as key components, is getting longer and longer, with the pitch diameter gradually increasing to more than 5m; the maximum chord length also reaches 7.5m, etc. The increase in chordal dimensions has led to an increase in the size and loading load of the test clamping fixture, and the strength of the original fixture is no longer sufficient. In the actual test process, the distance between the upper and lower fixtures can reach 4.2 meters. When the test load reaches 150kN, the wooden mold is prone to shift or the connecting screw is bent and deformed, which poses a major safety hazard in static load testing. Utility Model Content

[0003] In view of the above problems existing in the prior art, an object of the embodiments of the present utility model is to provide a reinforcement tooling device for blade testing.

[0004] The technical solution adopted in the embodiment of the utility model is a reinforcement tooling device for blade testing, including an upper tooling and a lower tooling, the upper tooling and the lower tooling are arranged relatively to each other, and also include a fixed locking device, the fixed locking device is used to lock the upper tooling and the lower tooling, and the fixed locking device applies force to the upper tooling and the lower tooling to make the upper tooling and the lower tooling move closer to and separate from each other.

[0005] Furthermore, the upper tooling and the lower tooling both include a main beam, and a wooden mold is fixedly connected to the main beam.

[0006] Furthermore, the fixing and locking device includes a plurality of single-sided fixing components, and the single-sided fixing components include an upper connecting base plate, a lower connecting base plate and a plurality of connecting screws. The upper connecting base plate and the lower connecting base plate are respectively fixed to the upper tooling and the lower tooling. The upper connecting base plate and the lower connecting base plate are vertically provided with through holes that cooperate with the connecting screws. The connecting screws pass through the through holes on the upper connecting base plate and the lower connecting base plate, and nuts are screwed into the two ends of the connecting screws.

[0007] Furthermore, the single-sided fixing assembly also includes a reinforcing rod, and a plurality of fixing holes are opened on the side walls at both ends of the reinforcing rod, and the fixing holes are equidistantly arranged along the length direction of the reinforcing rod. The upper connecting base plate and the lower connecting base plate are both provided with threaded rods that cooperate with the fixing holes, and the threaded rods pass through the fixing holes, and the second nut is screwed into the threaded rods.

[0008] Furthermore, the fixing hole is a strip-shaped hole, and the length direction of the fixing hole is arranged parallel to the length direction of the reinforcing rod.

[0009] Furthermore, the reinforcing rod is in the shape of a channel steel, and the fixing hole is provided on the bottom plate of the channel portion of the reinforcing rod.

[0010] Furthermore, the upper connecting base plate and the lower connecting base plate are both fixedly connected with suspension rings.

[0011] Compared with the prior art, the blade testing reinforcement tooling device proposed in the technical solution is provided with a fixing locking device, which realizes adjustable fixing and testing of wind turbine blades, has a more stable frame structure, and can improve the connection stiffness.

[0012] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not intended to restrict the present invention.

[0013] The overview of various implementations or examples of the technology described in this utility model is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In the drawings that are not necessarily drawn to scale, the same reference numerals may describe similar parts in different views. The same reference numerals with letter suffixes or different letter suffixes may represent different instances of similar parts. The accompanying drawings generally illustrate various embodiments by way of example and not limitation, and together with the specification and claims, are used to illustrate the embodiments of the utility model. When appropriate, the same reference numerals are used in all drawings to refer to the same or similar parts. Such embodiments are illustrative and are not intended to be exhaustive or exclusive embodiments of the present device or method.

[0015] Figure 1 It is a structural schematic diagram of an embodiment of the utility model.

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of an embodiment of the utility model.

[0017] Figure 3 for Figure 1 Enlarged view of point A. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of 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.

[0019] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] In order to keep the following description of the embodiments of the present invention clear and concise, the present invention omits detailed descriptions of known functions and known components.

[0021] See also Figures 1 to 3 The embodiment of the utility model provides a blade testing reinforcement tooling device, including an upper tooling and a lower tooling, the upper tooling and the lower tooling are arranged opposite to each other, and also includes a fixed locking device, the fixed locking device is used to lock the upper tooling and the lower tooling, and the fixed locking device applies force to the upper tooling and the lower tooling to make the upper tooling and the lower tooling move closer to and separate from each other. This technical solution proposes to set a fixed locking device to achieve adjustable fixed testing of wind turbine blades.

[0022] The upper tooling and the lower tooling both include a main beam 1, and a wooden mold 2 is fixedly connected to the main beam 1. The main beam 1 is used to fix the wooden mold 2 to ensure the installation stability of the wooden mold 2, so as to ensure that the wooden mold 2 can be closely attached to the surface of the test wind turbine blade.

[0023] The fixing and locking device includes a plurality of single-sided fixing components, and the single-sided fixing components include an upper connecting base plate 3, a lower connecting base plate 4 and a plurality of connecting screws 5. The upper connecting base plate 3 and the lower connecting base plate 4 are fixed to the upper tooling and the lower tooling respectively. The upper connecting base plate 3 and the lower connecting base plate 4 are vertically provided with through holes that cooperate with the connecting screws 5. The connecting screws 5 pass through the through holes on the upper connecting base plate 3 and the lower connecting base plate 4, and the two ends of the connecting screws 5 are screwed into the first nut. Through the multiple single-sided fixing components, a more stable frame structure is formed between the upper tooling, the lower tooling and the multiple single-sided fixing components, and the connection rigidity can be improved. The use of the connecting screws 5 in conjunction with the first nut to connect the upper connecting base plate 3 and the lower connecting base plate 4 can enable the device to achieve an adjustable spacing between the upper tooling and the lower tooling, so that it can be applied to wind turbine blades of different specifications.

[0024] The single-side fixing assembly further includes a reinforcing rod 6, and a plurality of fixing holes 7 are provided on the side walls at both ends of the reinforcing rod 6, and the fixing holes 7 are arranged equidistantly along the length direction of the reinforcing rod 6. The upper connecting bottom plate 3 and the lower connecting bottom plate 4 are both provided with threaded rods 9 that match the fixing holes 7, and the threaded rods 9 pass through the fixing holes 7, and the second nuts are screwed into the threaded rods 9. The reinforcing rods 6 further improve the strength and stability of the device.

[0025] The fixing hole 7 is a strip hole, and the length direction of the fixing hole 7 is arranged parallel to the length direction of the reinforcing rod 6. The fixing hole 7 is configured as a strip hole, which can meet the need of fine-tuning the distance and further improve the applicability of the device.

[0026] The reinforcing rod 6 is in the shape of a channel steel, and the fixing hole 7 is provided on the bottom plate of the groove portion of the reinforcing rod 6. The reinforcing rod 6 is constructed in the shape of a channel steel and has better structural strength.

[0027] The upper connecting base plate 3 and the lower connecting base plate 4 are both fixedly connected with a suspension ring 8. The suspension ring 8 facilitates the suspension installation of the device during testing, which helps to facilitate the use of the device.

[0028] The above description is intended to be illustrative rather than restrictive, and those skilled in the art may make changes, modifications, substitutions and variations to the above embodiments within the scope of the present disclosure. Moreover, the above examples (or one or more of them) may be used in combination with each other, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations.

Claims

1. A blade testing reinforcement tooling device, comprising an upper tooling and a lower tooling, characterized in that: The upper tooling and the lower tooling are arranged opposite to each other, and further include a fixed locking device, which is used to lock the upper tooling and the lower tooling, and applies force to the upper tooling and the lower tooling to make the upper tooling and the lower tooling move closer to and separate from each other.

2. A blade testing reinforcement tooling device according to claim 1, characterized in that: The upper tooling and the lower tooling both comprise a main beam (1), and a wooden mold (2) is fixedly connected to the main beam (1).

3. A blade testing reinforcement tooling device according to claim 1, characterized in that: The fixing and locking device comprises a plurality of single-sided fixing components, wherein the single-sided fixing components comprise an upper connecting base plate (3), a lower connecting base plate (4) and a plurality of connecting screws (5); the upper connecting base plate (3) and the lower connecting base plate (4) are respectively fixed to an upper tooling and a lower tooling; the upper connecting base plate (3) and the lower connecting base plate (4) are both vertically provided with through holes cooperating with the connecting screws (5); the connecting screws (5) pass through the through holes on the upper connecting base plate (3) and the lower connecting base plate (4); and the two ends of the connecting screws (5) are screwed into a first nut.

4. A blade testing reinforcement tooling device according to claim 3, characterized in that: The single-side fixing assembly also includes a reinforcing rod (6), and a plurality of fixing holes (7) are provided on the side walls at both ends of the reinforcing rod (6). The fixing holes (7) are equidistantly arranged along the length direction of the reinforcing rod (6). The upper connecting base plate (3) and the lower connecting base plate (4) are both provided with threaded rods (9) that cooperate with the fixing holes (7). The threaded rods (9) pass through the fixing holes (7), and a second nut is screwed into the threaded rods (9).

5. A blade testing reinforcement tooling device according to claim 4, characterized in that: The fixing hole (7) is a strip-shaped hole, and the length direction of the fixing hole (7) is arranged parallel to the length direction of the reinforcing rod (6).

6. A blade testing reinforcement tooling device according to claim 4, characterized in that: The reinforcing rod (6) is in the shape of a channel steel, and the fixing hole (7) is provided on the bottom plate of the channel portion of the reinforcing rod (6).

7. A blade testing reinforcement tooling device according to any one of claims 3 to 6, characterized in that: The upper connecting base plate (3) and the lower connecting base plate (4) are both fixedly connected with suspension rings (8).

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