Wind power blade support windproof connecting device

Abstract

The utility model discloses a wind power blade support windproof connecting device which comprises two locking mechanisms, and one ends of the two locking mechanisms are connected with two screws with opposite thread turning directions. The two screw rods are connected through a connecting rod; the locking mechanism comprises a planar steel plate and a T-shaped steel plate, and the surfaces of the planar steel plate and the T-shaped steel plate are provided with a plurality of threaded holes and connected through a plurality of studs; rubber gaskets are connected to the surfaces of the opposite sides of the planar steel plate and the T-shaped steel plate, an insertion hole is formed in the surface of the T-shaped steel plate, and a pin shaft is arranged in the insertion hole and hinged to the screw rod; one end of the screw is connected with a connector of a U-shaped plate structure, and a U-shaped groove of the connector is matched with the protruding part of the T-shaped steel plate in an inserted mode. The device solves the problem that blades in wind power generation are prone to being damaged during transportation, every two adjacent blade supports can be connected and fixed to form a whole so as to prevent the blades from being blown and damaged by severe weather such as strong wind and typhoon, meanwhile, during marine transportation, the workload of welding and binding can be reduced, and the overall binding efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of large-piece transportation, in particular to a wind turbine blade support windproof connecting device. Background Art

[0002] The weight, length and width of wind turbines are difficult to meet the regulations for conventional transportation of goods. The equipment transportation and binding requirements are extremely high, and storage must be windproof and fixed. Among the equipment transportation in wind farms, blade transportation is the most difficult. Blades are super long, fragile and fragile, and when damaged, they need to be repaired or replaced. In order to fully increase the use area of ​​the yard, the blades stored in the yard are often stacked in double layers, which increases the wind-exposed area of ​​the blades, greatly increasing the risk of damage to the blades in weather conditions such as strong winds and typhoons. At present, when encountering severe weather conditions, the hard connection method is steel pipes, and the soft connection is basket screws, wire ropes, shackles and other components; therefore, it is necessary to design a wind turbine blade bracket windproof connection device to solve the above problems. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a wind turbine blade bracket windproof connection device, which aims to solve the problem that the blades in wind power generation are easily damaged during transportation. The adjacent blade brackets can be connected and fixed in pairs to form a whole to prevent the blades from being damaged by severe weather such as strong winds and typhoons. At the same time, during sea transportation, the workload of welding and binding can be reduced, and the overall binding efficiency can be improved.

[0004] To solve the above technical problems, the technical solution adopted by the utility model is: a wind turbine blade bracket windproof connection device, including two locking mechanisms, one end of the two locking mechanisms is connected to two screws with opposite thread rotation directions; the two screws are connected by a connecting rod.

[0005] Preferably, the locking mechanism includes a flat steel plate and a T-shaped steel plate, and multiple threaded holes are provided on the surfaces of the flat steel plate and the T-shaped steel plate, which are connected by multiple studs; rubber gaskets are connected to the surfaces of the opposite sides of the flat steel plate and the T-shaped steel plate, and a socket is provided on the surface of the T-shaped steel plate, in which a pin shaft is arranged to be hinged with a screw rod.

[0006] Furthermore, the T-shaped steel plate is provided with four holes for the studs to pass through, and the flat steel plate is also provided with four holes. When in use, the locking mechanism is fixed to the blade bracket through the four studs; wherein, the rubber gasket is adhered to the surface of the opposite side of the flat steel plate and the T-shaped steel plate, thereby increasing friction and protecting the blade surface.

[0007] Preferably, a limiting head is provided at one end of the pin shaft, and a socket is provided at the other end, and a pin is provided in the socket for limiting.

[0008] Preferably, one end of the screw rod is connected to a connector with a U-shaped plate structure, the U-shaped groove of the connector is plug-fitted with the protruding portion of the T-shaped steel plate, and a through pin hole is provided on the surface of the U-shaped groove of the connector for plug-fitting with the pin shaft.

[0009] Furthermore, the screws at both ends rotate in opposite directions. When in use, the screws at both ends can be moved in opposite directions, that is, moved closer or farther away, by rotating the connecting rod in one direction.

[0010] Preferably, the connecting rod is a hollow structure, and internal threads with opposite rotation directions are arranged in the openings at both ends and are respectively threadedly connected to two screws with opposite rotation directions.

[0011] Preferably, a handle is connected to the outer surface of the connecting rod, and hexagonal nuts are connected to both ends of the connecting rod.

[0012] Furthermore, the connecting rod mechanism is a part that connects the two end parts. It can be customized with different lengths according to the actual working conditions to meet the requirements of the site. The handle is used to rotate during work, so that the connecting rod device can perform both tightening and loosening conditions. At the same time, a backup measure is also provided. If the handle is accidentally damaged, the hexagonal nuts at both ends of the connecting rod can be used in conjunction with a wrench to rotate the screw.

[0013] The utility model has the following technical effects:

[0014] This connecting device is based on the characteristics of the blade supports of the wind turbine generator set. It uses an integral device to connect the blade supports together, so that the stacked blades form a whole, concentrate the weight together, and greatly increase the stability of the blades to prevent the blades from being blown; the connecting device can also be used for shipping blade lashing. When shipping blades, two sets of six blades are often transported in double-layer stacks on a ship. The connecting device connects two adjacent blades to make the six blades connected as a whole, increasing the length of the anti-flipping force arm and concentrating the weight center on the center line of the ship; it solves the problem that blades in wind power generation are easily damaged during transportation, and can connect and fix adjacent blade supports in pairs to form a whole to prevent the blades from being damaged by strong winds, typhoons and other severe weather. At the same time, during sea transportation, it can reduce the workload of welding and lashing, and improve the overall lashing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 A schematic diagram of the utility model used in conjunction with a blade;

[0018] Figure 3 It is a schematic diagram of the locking mechanism in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the screw in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the connecting rod in the utility model;

[0021] Explanation of the numbers in the figure: locking mechanism 1, latch 1.1, pin 1.2, T-shaped steel plate 1.3, stud 1.4, rubber gasket 1.5, flat steel plate 1.6, screw 2, pin hole 2.2, connecting rod 3, internal thread 3.1, hexagonal nut 3.2, handle 3.4. DETAILED DESCRIPTION

[0022] like Figures 1 to 5 As shown, a wind turbine blade support windproof connection device includes two locking mechanisms 1, one end of the two locking mechanisms 1 is connected to two screw rods 2 with opposite thread rotation directions; the two screw rods 2 are connected by a connecting rod 3.

[0023] Preferably, the locking mechanism 1 includes a flat steel plate and a T-shaped steel plate, and multiple threaded holes are provided on the surfaces of the flat steel plate and the T-shaped steel plate, which are connected by multiple studs; rubber gaskets are connected to the surfaces of the opposite sides of the flat steel plate and the T-shaped steel plate, and a socket is provided on the surface of the T-shaped steel plate, in which a pin shaft is arranged to be hinged with the screw 2.

[0024] Figure 2 The middle arrow indicates the direction of thread rotation.

[0025] Furthermore, the T-shaped steel plate is provided with four holes for studs to pass through, and the flat steel plate is also provided with four holes. When in use, the locking mechanism 1 is fixed to the blade bracket through the four studs; wherein, the rubber gasket is adhered to the surface of the opposite side of the flat steel plate and the T-shaped steel plate, which plays a role in increasing friction and protecting the blade surface.

[0026] A limiting head is arranged at one end of the pin shaft, and a socket is arranged at the other end, wherein a latch is arranged in the socket for limiting.

[0027] Preferably, one end of the screw rod 2 is connected to a connector of a U-shaped plate structure, the U-shaped groove of the connector is plug-fitted with the protruding portion of the T-shaped steel plate, and the surface of the U-shaped groove of the connector is provided with a through pin hole that is plug-fitted with the pin shaft.

[0028] Furthermore, the screw rods 2 at both ends rotate in opposite directions. When in use, the screw rods 2 at both ends can be moved in opposite directions, that is, moved closer or farther away, by rotating the connecting rod 3 in one direction.

[0029] Preferably, the connecting rod 3 is a hollow structure, and internal threads with opposite rotation directions are arranged in the openings at both ends and are threadedly connected to the two screw rods 2 with opposite rotation directions respectively.

[0030] Preferably, a handle is connected to the outer surface of the connecting rod 3, and hexagonal head nuts are connected to both ends of the connecting rod 3.

[0031] Furthermore, the connecting rod 3 mechanism is a component that connects the two end parts. It can be customized with different lengths according to the actual working conditions to meet the on-site requirements. The handle is used for rotation during work, enabling the connecting rod 3 device to perform two working conditions of tightening and loosening. At the same time, a backup measure is also provided. If the handle is accidentally damaged, the hexagonal head nuts provided at both ends of the connecting rod 3 can cooperate with a wrench to rotate the screw rod 2.

[0032] The working principle of the present utility model is as follows:

[0033] During use, rotate the connecting rod 3 to adjust the distance between the locking mechanisms 1 at both ends so that the distance meets the actual requirements of the operation; then clamp the fan blade between the flat steel plate and the T-shaped steel plate of the locking mechanism 1, and adjust the stud to make the locking mechanism 1 clamp the blade to complete the connection of the blade.

[0034] The above embodiments are only the preferred technical solutions of the present utility model and should not be regarded as limitations to the present utility model. The protection scope of the present utility model should be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present utility model.

Claims

1. A wind turbine blade support windproof connection device, characterized in that: The invention comprises two locking mechanisms (1), one end of each of the two locking mechanisms (1) is connected to two screw rods (2) having opposite thread rotation directions; the two screw rods (2) are connected via a connecting rod (3); the locking mechanism (1) comprises a flat steel plate (1.6) and a T-shaped steel plate (1.3); a plurality of threaded holes are provided on the surface of the flat steel plate (1.6) and the T-shaped steel plate (1.3), and the two screw rods (2) are connected via a plurality of studs (1.4); a rubber gasket (1.5) is connected to the surface of the flat steel plate (1.6) and the T-shaped steel plate (1.3) on the opposite side; a socket is provided on the surface of the T-shaped steel plate (1.3), and a pin shaft (1.2) is provided in the socket and is hinged to the screw rod (2).

2. A wind turbine blade support windproof connection device according to claim 1, characterized in that: A limiting head is provided at one end of the pin shaft (1.2), and a socket is provided at the other end, wherein a latch pin (1.1) is provided in the socket for limiting.

3. A wind turbine blade support windproof connection device according to claim 2, characterized in that: One end of the screw rod (2) is connected to a connector of a U-shaped plate structure, the U-shaped groove of the connector is plug-fitted with a protruding portion of the T-shaped steel plate (1.3), and a through pin hole (2.2) is provided on the surface of the U-shaped groove of the connector to be plug-fitted with a pin shaft (1.2).

4. A wind turbine blade support windproof connection device according to claim 1, characterized in that: The connecting rod (3) is a hollow structure, and openings at both ends are provided with internal threads (3.1) with opposite rotation directions, which are respectively threadedly connected to two screw rods (2) with opposite rotation directions.

5. A wind turbine blade support windproof connection device according to claim 4, characterized in that: The outer surface of the connecting rod (3) is connected to a handle (3.4), and both ends of the connecting rod (3) are connected to hexagonal nuts (3.2).

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