Alignment auxiliary device for installation of wind power hub

Abstract

The utility model relates to the technical field of wind turbine generator installation, and discloses a wind turbine hub installation alignment auxiliary device which comprises a hub, a blade, a hanging belt, a bracket, a butt joint assembly and a positioning assembly, the bracket comprises a supporting table arranged on the opposite face, the hub is arranged on the supporting table, the hanging belt is arranged on a crane lifting hook, and the butt joint assembly is arranged on the supporting table. The lifting belt is provided with blades, the butt joint assembly comprises a butt joint cylinder arranged on the lifting belt, the positioning assembly comprises a traveling crane and a butt joint rod, the traveling crane is arranged on the supporting table, and the butt joint rod is arranged on the side face of the traveling crane; through cooperative use of the hub, the blades, the hanging belt, the bracket, the butt joint assembly and the positioning assembly, the cross laser generator ensures that the butt joint end of the hub is centered and aligned, the butt joint precision is ensured, the butt joint range of the cross laser generator and the guide rod can be expanded through the horn, the guide effect is provided, and the butt joint precision and efficiency are improved.

Description

Technical Field

[0001] The present application relates to the technical field of wind turbine installation, and in particular to a wind turbine hub installation alignment auxiliary device. Background Art

[0002] In the assembly process of wind turbine hub and blades, the existing technology usually adopts the following steps: First, the hub and blades are pre-assembled on the ground. At this time, the hub needs to be supported by a bracket to maintain a horizontal state and clamped with a special clamp to ensure stability. Subsequently, a crane is used to hook the blade tip frame with a sling for overall lifting and adjustment. In this process, workers are usually required to stand at the connection end between the hub and the blade to assist the crane operator in fine-tuning to ensure the alignment and precise installation of the blade and the hub. However, workers stand at the connection end for remote assistance, which not only increases the inconvenience of operation, but also may bring safety risks.

[0003] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0004] In order to solve the inconvenience and safety issues of having a worker stand at the connection end of the hub to remotely assist the blades and the hub, the present application provides a wind turbine hub installation alignment auxiliary device.

[0005] The wind turbine hub installation alignment auxiliary device provided in this application adopts the following technical solution:

[0006] A wind turbine hub installation alignment auxiliary device comprises a hub, a blade, a sling, a bracket, a docking assembly and a positioning assembly;

[0007] Wherein, the bracket includes a support platform arranged on the opposite side for stably supporting the wheel hub;

[0008] The lifting belt is arranged on the lifting hook of the crane and is used to lift the blade;

[0009] The docking assembly includes a docking sleeve arranged on the sling, which is used to dock with the positioning assembly to achieve docking assistance between the hub and the blade;

[0010] The positioning assembly includes a crane and a docking rod. The crane is arranged on a support platform and is used to adjust the position of the docking rod. The docking rod is arranged on the side of the crane and is used to dock with the docking tube to achieve docking of the auxiliary hub with the blade.

[0011] Preferably, a docking groove is provided in the middle of the top end of the support platform, and the groove wall of the docking groove is an arc-shaped inclined surface for assisting the wheel hub to be centered with the support platform.

[0012] Preferably, an annular guide rail is provided on the outer side surface of the wheel hub on the support platform for guiding the vehicle to achieve smooth movement of the vehicle.

[0013] Preferably, a cross laser generator is provided on the top of the crane to assist in aligning the butt ends of the crane and the wheel hub to improve subsequent butt joint accuracy.

[0014] Preferably, a fixing frame is sleeved on the outer side of the docking tube, and the upper side of the fixing frame is set as an arc surface for fitting with the outer wall of the blade, and connecting belts are set on both sides of the fixing frame, and the connecting belts are connected to the sling.

[0015] Preferably, the docking tube comprises a guide tube arranged on a fixing frame, and a horn tube is arranged on the guide tube.

[0016] In summary, this application includes the following beneficial technical effects:

[0017] Through the coordinated use of the hub, blades, slings, brackets, docking components, and positioning components, the crane is controlled to slide along the annular guide rail to the docking end of the wind turbine hub, and a cross laser generator is used to emit a cross laser to the docking end of the wind turbine hub to ensure that the crane and the docking end are in a centered alignment state. During docking, the horn structure of the docking tube can expand the docking range and provide a guiding effect, making the docking process smoother and achieving precise alignment of the wind turbine hub and the blades; compared with the existing technology, it has the effect of improving alignment accuracy and work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of a three-dimensional structure from a first-view perspective of an embodiment of the application;

[0019] Figure 2 is a schematic diagram of a second perspective stereoscopic structure of an embodiment of the application;

[0020] Figure 3 It is an enlarged schematic diagram of the structure at location A of the application embodiment.

[0021] Explanation of the reference numerals: 1. hub; 2. blade; 3. sling; 4. bracket; 401. support platform; 402. docking groove; 403. annular guide rail; 5. docking assembly; 501. connecting belt; 502. fixing frame; 503. docking cylinder; 5031. horn cylinder; 5032. guide cylinder; 6. positioning assembly; 601. crane; 602. docking rod; 603. cross laser generator. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-3 This application is described in further detail.

[0023] The embodiment of the present application discloses a wind turbine hub installation alignment auxiliary device. Figure 1-3 A wind turbine hub installation alignment auxiliary device includes a bracket 4 and a sling 3 on a crane lifting hook. The bracket 4 includes a support platform 401 installed on the ground, and the hub 1 is stably supported by the support platform 401. An annular guide rail 403 is installed on the outer side of the hub 1 on the support platform 401, and a positioning component 6 is installed on the annular guide rail 403. The movement of the positioning component 6 is guided by the annular guide rail 403 to slide along a predetermined trajectory, and the position of the positioning component 6 is adjusted to ensure that the docking end of the positioning component 6 and the hub 1 are in a centered alignment state. The blade 2 is installed on the sling 3, and the sling 3 is located at the end of the blade 2. The lower end of the sling 3 is installed with a docking component 5, and the positioning component 6 can be docked through the docking component 5 to assist the assembly and alignment operation of the hub 1 and the blade 2.

[0024] Reference Figure 2 A docking groove 402 is provided in the middle of the support platform 401, and the groove wall of the docking groove 402 adopts an arc-shaped inclined surface structure. The arc-shaped inclined surface of the groove wall can expand the docking range between the wheel hub 1 and the docking groove 402, and at the same time can provide a certain guiding effect, thereby reducing the difficulty of placing the wheel hub 1 in the center of the support platform 401 and improving the docking efficiency.

[0025] Reference Figure 3 The positioning assembly 6 includes a trolley 601 installed on the annular guide rail 403. The trolley 601 is guided by the annular guide rail 403 so that it slides along a predetermined track to improve the stability of movement. A cross laser generator 603 is installed on the top of the trolley 601. The cross laser generator 603 emits a cross laser to the docking end of the hub 1 to ensure that the positioning assembly 6 and the docking end of the hub 1 are in a centered alignment state, which is convenient for subsequent alignment operations. A docking rod 602 is installed on the outer side of the trolley 601, and an alignment operation is performed with the docking assembly 5 through the docking rod 602;

[0026] The traveling crane 601 is composed of a vehicle body, an electric drive system, a control system, a braking system, a wheel axle and a wheel set;

[0027] Among them, the car body is usually made of steel structure or other high-strength and light-weight materials;

[0028] The electric drive system includes components such as a motor, a transmission and a transmission device, and a battery, and is used to provide driving power and drive the vehicle to move along the circular guide rail 403;

[0029] The control system includes components such as sensors, electronic control units (ECUs), and operation interfaces, which are used to achieve automated control or human-computer interaction;

[0030] The braking system is used to stop the vehicle quickly when necessary, ensuring that the vehicle can be stopped safely in an emergency;

[0031] The axle is usually fixed to the vehicle body, while the wheelset contacts the rails, providing traction for driving through friction or other mechanisms.

[0032] Reference Figure 2 The docking assembly 5 includes a fixing frame 502 fitted on the sling 3, connecting belts 501 are installed on both sides of the fixing frame 502, and the connecting belts 501 are fixedly connected to the sling 3, a docking tube 503 is fixedly installed on the fixing frame 502, and the docking operation is performed with the docking rod 602 through the docking tube 503, and an arc surface is installed on the upper side of the fixing frame 502, which facilitates fitting with the outer wall of the blade 2 through the arc surface to prevent the fixing frame 502 and the docking tube 503 from being offset due to force during alignment.

[0033] Reference Figure 3 The docking tube 503 includes a guide tube 5032 installed on the fixed frame 502, and a horn tube 5031 is installed on the side of the guide tube 5032 close to the positioning component 6. The end of the docking rod 602 is a hemispherical surface. The horn tube 5031 expands the docking range of the docking rod 602 and can also provide a certain guiding effect. As the movement, the guide tube 5032 can be automatically aligned with the docking rod 602, thereby completing the alignment of the hub 1 and the blade 2, thereby improving the alignment efficiency.

[0034] The implementation principle of a wind turbine hub installation alignment auxiliary device in the embodiment of the present application is:

[0035] The hub 1 is placed on the support platform 401 and stably supported by the support platform 401;

[0036] A cross laser is emitted to the docking end of the hub 1 by the cross laser generator 603, and the cross laser is aligned with the docking end of the hub 1 by observing and adjusting the position of the crane 601, so as to ensure that the docking end of the crane 601 and the hub 1 are accurately positioned. By controlling the crane to lift, the blade 2 is lifted to a specified height by the sling 3, so that the guide cylinder 5032 and the docking rod 602 are at the same height. As the sling 3 moves, the horn 5031 can automatically dock with the hemispherical surface of the docking rod 602, so as to achieve automatic alignment with the guide cylinder 5032. The guide cylinder 5032 can be easily docked with it and automatically adjust its position during the docking process to achieve precise alignment. Once the docking is completed, the docking end of the blade 2 and the hub 1 is centered, and further installation operations can be performed at this time. Through the above work flow and implementation principle, the wind turbine hub installation alignment auxiliary device can significantly improve the alignment accuracy and efficiency of the wind turbine hub and blade installation, reduce the difficulty of operation, and improve the installation quality.

[0037] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0038] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0039] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wind turbine hub installation alignment auxiliary device, comprising a hub (1), a blade (2), a sling (3), a bracket (4), a docking assembly (5) and a positioning assembly (6); in, The bracket (4) comprises a support platform (401) arranged on the opposite side, used for stably supporting the wheel hub (1); The lifting belt (3) is arranged on a lifting hook of a crane and is used to lift the blade (2); The docking assembly (5) comprises a docking sleeve (503) arranged on the sling (3) and used for docking with the positioning assembly (6) to assist in docking the hub (1) and the blade (2); The positioning assembly (6) comprises a trolley (601) and a docking rod (602); the trolley (601) is arranged on a support platform (401) and is used to adjust the position of the docking rod (602); the docking rod (602) is arranged on the side of the trolley (601) and is used to dock with a docking tube (503) to achieve docking of the auxiliary hub (1) and the blade (2).

2. A wind turbine hub installation alignment auxiliary device according to claim 1, characterized in that: A docking groove (402) is provided in the middle of the top end of the support platform (401), and the groove wall of the docking groove (402) is an arc-shaped inclined surface, which is used to assist the wheel hub (1) and the support platform (401) to be centrally aligned.

3. The wind turbine hub installation alignment auxiliary device according to claim 1, characterized in that: An annular guide rail (403) is provided on the outer side surface of the wheel hub (1) on the support platform (401) for guiding the trolley (601) to achieve smooth movement of the trolley (601).

4. The wind turbine hub installation alignment auxiliary device according to claim 1, characterized in that: A cross laser generator (603) is arranged on the top of the crane (601) to assist in aligning the butt ends of the crane (601) and the wheel hub (1) so as to improve the subsequent butt joint accuracy.

5. The wind turbine hub installation alignment auxiliary device according to claim 1, characterized in that: A fixing frame (502) is sleeved on the outer side of the docking tube (503), and the upper side of the fixing frame (502) is arranged as a curved surface for fitting with the outer wall of the blade (2), and connecting belts (501) are arranged on both sides of the fixing frame (502), and the connecting belts (501) are connected to the sling (3).

6. The wind turbine hub installation alignment auxiliary device according to claim 1, characterized in that: The docking tube (503) comprises a guide tube (5032) arranged on a fixing frame (502), and a horn tube (5031) is arranged on the guide tube (5032).

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