Direct-drive fan rotor bracket

Abstract

The utility model discloses a direct-drive fan rotor support which comprises an upper disc and a fixing ring, a reinforcing piece is arranged on the inner side of the upper disc, one end of the reinforcing piece is connected with a middle body, the fixing ring is arranged on the surface of the middle body in a sleeved mode, a positioning piece is arranged on the inner side of the upper disc, and a movable plate is connected into the positioning piece in a sliding mode. The rotating disc is rotated forwards to drive the threaded rod to rotate, external threads on the surface of the threaded rod can be matched and screwed with internal threads in the threaded sleeve, and then the threaded sleeve, the movable plate, the connecting block and the arc-shaped positioning block can be driven to move, so that the arc-shaped positioning block moves to the side edge of the fixing ring; the arc-shaped positioning blocks are used for fixing the fixing ring on the surface of the middle body; and the rotating disc rotates reversely to drive the threaded rod to rotate reversely, and then the threaded rod drives the threaded sleeve, the movable plate, the connecting block and the arc-shaped positioning block to move, so that the arc-shaped positioning block is separated from the surface of the fixing ring, and the fixing ring is replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of rotor brackets, in particular to a direct-drive fan rotor bracket. Background Art

[0002] The generator rotor is the rotating part of the generator, which is mainly composed of conductive rotor winding, magnetic core, rotor shaft extension, guard ring, center ring and fan. The generator rotor is composed of main shaft, hub, wheel arm, yoke, end pressure plate, fan, magnetic pole, brake gate, etc. The rotor bracket is the intermediate component for installing yoke, magnetic pole and main shaft. It must withstand the combined effects of torque, gravity, centrifugal force, etc. during operation.

[0003] In the related technology, a solution for a MW-class permanent magnet direct-drive wind turbine rotor bracket (Announcement No.: CN204597668U) was found through searching. When used, it not only improves the production efficiency of employees, but also facilitates the operation of employees. Only two people are needed to operate it. After the improvement, each rotor saves 120 minutes / 2 people. The installed protective bolts can be promptly recovered to the manufacturer for easy use, reducing the cost of bolt use. Moreover, the bracket reliably, efficiently and safely realizes the protection of the rotor yoke surface of large permanent magnet direct-drive wind turbines.

[0004] However, due to the large size of the rotor bracket, after the rotor bracket is installed and used for a long time, if a fixed ring inside the rotor bracket is damaged, it is inconvenient to replace or repair the damaged fixed ring on site, so it takes time and effort to replace or repair it, which increases the labor force. In view of this, we have introduced a direct-drive fan rotor bracket. Utility Model Content

[0005] The purpose of the utility model is to provide a direct-drive fan rotor bracket to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a direct-drive fan rotor bracket, comprising: an upper plate and a fixing ring, a reinforcement member is arranged on the inner side of the upper plate, the reinforcement member and the upper plate are welded, one end of the reinforcement member is connected with an intermediate body, the fixing ring is sleeved on the surface of the intermediate body, a positioning member is arranged on the inner side of the upper plate, the positioning member and the upper plate are fixedly connected, a movable plate is slidably connected inside the positioning member, one side of the movable plate passes through the positioning member and is connected with a connecting block, the connecting block and the movable plate are fixedly connected, an arc-shaped positioning block is connected to one side of the connecting block, one side of the arc-shaped positioning block contacts with the surface of the fixing ring, and a rubber pad is arranged on the outer side of the arc-shaped positioning block, so as to protect the surface of the fixing ring, a driving mechanism is arranged inside the positioning member, and the threaded rod is driven to rotate by the turntable of the driving mechanism, so that the threaded rod drives the arc-shaped positioning block to clamp the fixing ring.

[0007] Preferably, the driving mechanism includes a bearing connected inside the positioning piece, the bearing is fixed inside the positioning piece, a threaded rod is connected to one side of the turntable, the turntable and the threaded rod are welded, one end of the threaded rod extends to the inside of the positioning piece, the bearing is sleeved on the surface of the threaded rod, and when the threaded rod rotates, the bearing can rotate inside the bearing, thereby preventing the threaded rod from being displaced, a threaded sleeve is screwed on the surface of the threaded rod, the external thread on the surface of the threaded rod will match and screw with the internal thread inside the threaded sleeve, and the threaded sleeve is connected to one side of the movable plate.

[0008] Preferably, the outer surface of the movable plate is connected to a limiting block, and a limiting groove for slidingly connecting the limiting block is opened inside the positioning member. When the movable plate moves, the limiting block on the surface of the movable plate will move inside the limiting groove. Thus, by utilizing the setting of the limiting groove, the movement of the movable plate can be positionally limited, so that the movable plate is always in a horizontal state.

[0009] Preferably, the interior of the upper plate is connected with an arc ring, and the provision of the arc ring can enhance the strength of the upper plate.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the utility model rotates the turntable forward to drive the threaded rod to rotate, and the bearing sleeve is arranged on the surface of the threaded rod. When the threaded rod rotates, the threaded rod will not be displaced, and the external thread on the surface of the threaded rod will match and screw with the internal thread inside the threaded sleeve, thereby driving the threaded sleeve, the moving plate, the connecting block and the arc-shaped positioning block to move, so that the arc-shaped positioning block moves to the side of the fixing ring, so that the arc-shaped positioning block fixes the fixing ring on the surface of the intermediate body, which is more convenient to use;

[0011] Reverse the turntable to let the turntable drive the threaded rod to reverse. At this time, the threaded rod will drive the threaded sleeve, movable plate, connecting block and arc-shaped positioning block to move, so that the arc-shaped positioning block is separated from the surface of the fixing ring, thereby replacing the fixing ring, which is more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the positioning member of the utility model in a front section;

[0014] Figure 3 It is a schematic diagram of the structure of the upper plate of the utility model in top section.

[0015] In the figure: 1, upper plate; 2, fixing ring; 3, intermediate body; 4, positioning piece; 5, turntable; 6, arc-shaped positioning block; 7, threaded rod; 8, connecting block; 9, limiting groove; 10, limiting block; 11, bearing; 12, threaded sleeve; 13, moving plate; 14, arc-shaped ring; 15, reinforcement piece. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-3 The utility model provides a technical solution: a direct-drive wind turbine rotor bracket, comprising: an upper plate 1 and a fixed ring 2, a reinforcing member 15 is arranged on the inner side of the upper plate 1, one end of the reinforcing member 15 is connected with an intermediate body 3, the fixed ring 2 is sleeved on the surface of the intermediate body 3, a positioning member 4 is arranged on the inner side of the upper plate 1, a moving plate 13 is slidably connected inside the positioning member 4, one side of the moving plate 13 passes through the positioning member 4 and is connected with a connecting block 8, one side of the connecting block 8 is connected with an arc-shaped positioning block 6, one side of the arc-shaped positioning block 6 contacts with the surface of the fixed ring 2, a driving mechanism is arranged inside the positioning member 4, and the turntable 5 of the driving mechanism drives the threaded rod 7 to rotate, so that the threaded rod 7 drives the arc-shaped positioning block 6 to clamp the fixed ring 2.

[0018] The driving mechanism includes a bearing 11 connected to the inside of the positioning member 4, the bearing 11 is fixed inside the positioning member 4, a threaded rod 7 is connected to one side of the turntable 5, the turntable 5 and the threaded rod 7 are welded, one end of the threaded rod 7 extends to the inside of the positioning member 4, the bearing 11 is sleeved on the surface of the threaded rod 7, and when the threaded rod 7 rotates, it can rotate inside the bearing 11, which can prevent the threaded rod 7 from being displaced, and a threaded sleeve 12 is screwed on the surface of the threaded rod 7, and the external thread on the surface of the threaded rod 7 will match and screw with the internal thread inside the threaded sleeve 12, and the threaded sleeve 12 is connected to one side of the moving plate 13.

[0019] The outer surface of the movable plate 13 is connected to the limit block 10, and the interior of the positioning member 4 is provided with a limit groove 9 for slidingly connecting the limit block 10. When the movable plate 13 moves, the limit block 10 on the surface of the movable plate 13 will move inside the limit groove 9. Therefore, by utilizing the setting of the limit groove 9, the movement of the movable plate 13 can be positionally limited, so that the movable plate 13 is always in a horizontal state.

[0020] The interior of the upper plate 1 is connected with an arc ring 14 , and the arrangement of the arc ring 14 can enhance the strength of the upper plate 1 .

[0021] Specifically, when in use, the lower plate is placed on the ground, the arc ring 14 is inserted into the groove of the upper plate 1 to form a cylinder, and then the upper plate 1 with the arc ring 14 is inserted into the surface of the lower plate, and finally the arc ring 14 is fixed to the surface of the upper plate 1 and the lower plate by bolts to ensure the fixation with the upper plate 1 and the lower plate. At this time, the splicing is completed, and then the fixing ring 2 is sleeved on the surface of the intermediate body 3, and then the turntable 5 is rotated forward to drive the turntable 5 to drive the threaded rod 7 to rotate, and the bearing 11 is sleeved on the surface of the threaded rod 7, and the threaded rod 7 will not be displaced when the threaded rod 7 rotates;

[0022] When the threaded rod 7 rotates, the external thread on the surface of the threaded rod 7 will be matched and screwed with the internal thread inside the threaded sleeve 12, thereby driving the threaded sleeve 12, the moving plate 13, the connecting block 8 and the arc-shaped positioning block 6 to move, so that the arc-shaped positioning block 6 moves to the side of the fixing ring 2, so that the arc-shaped positioning block 6 fixes the fixing ring 2 on the surface of the intermediate body 3, which is more convenient to use;

[0023] When the fixing ring 2 is used for a long time, if the fixing ring 2 is damaged, the fixing ring 2 needs to be replaced. At this time, the operator reverses the turntable 5 to let the turntable 5 drive the threaded rod 7 to reverse. At this time, the threaded rod 7 will drive the threaded sleeve 12, the moving plate 13, the connecting block 8 and the arc-shaped positioning block 6 to move, so that the arc-shaped positioning block 6 is separated from the surface of the fixing ring 2, thereby replacing the fixing ring 2, and the operation is more convenient.

[0024] 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 direct-drive fan rotor support, comprising an upper plate (1) and a fixing ring (2), characterized in that: A reinforcing member (15) is provided on the inner side of the upper plate (1), one end of the reinforcing member (15) is connected to an intermediate body (3), the fixing ring (2) is sleeved on the surface of the intermediate body (3), a positioning member (4) is provided on the inner side of the upper plate (1), a movable plate (13) is slidably connected inside the positioning member (4), one side of the movable plate (13) passes through the positioning member (4) and is connected to a connecting block (8), one side of the connecting block (8) is connected to an arc-shaped positioning block (6), one side of the arc-shaped positioning block (6) is in contact with the surface of the fixing ring (2), a driving mechanism is provided inside the positioning member (4), and a rotating disk (5) of the driving mechanism drives the threaded rod (7) to rotate, so that the threaded rod (7) drives the arc-shaped positioning block (6) to clamp the fixing ring (2).

2. A direct-drive wind turbine rotor support according to claim 1, characterized in that: The driving mechanism comprises a bearing (11) connected to the inside of the positioning member (4); a threaded rod (7) is connected to one side of the turntable (5); one end of the threaded rod (7) extends to the inside of the positioning member (4); the bearing (11) is sleeved on the surface of the threaded rod (7); a threaded sleeve (12) is threadedly connected to the surface of the threaded rod (7); and the threaded sleeve (12) is connected to one side of the moving plate (13).

3. A direct-drive wind turbine rotor support according to claim 2, characterized in that: The outer surface of the movable plate (13) is connected to a limit block (10), and a limit groove (9) for slidingly connecting the limit block (10) is provided inside the positioning member (4).

4. A direct-drive wind turbine rotor support according to claim 1, characterized in that: The interior of the upper plate (1) is connected with an arc-shaped ring (14).

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