Hydraulic variable-pitch fan hub supporting device

Abstract

The utility model discloses a hydraulic variable pitch fan hub supporting device which comprises a base, the outer surface of the base is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a screw rod, the outer surface of the screw rod is in threaded connection with a movable seat, the upper surface of the movable seat is fixedly connected with a clamping seat, and the clamping seat is fixedly connected with a hydraulic cylinder. According to the hydraulic variable-pitch fan hub supporting device, firstly, according to the size of a hub, four servo motors are synchronously started to drive a screw to rotate, so that a movable seat moves in a mounting groove, after the range among four clamping seats is larger than that of the hub, the servo motors are stopped, and then a hydraulic rod is started according to the thickness of the hub, so that the distance between a pressing plate and a sliding frame is larger than the thickness of the hub; a hub is placed on the upper surface of a sliding frame, four servo motors are synchronously started, so that four moving seats are close to one another, the hub is clamped in four clamping seats, then a hydraulic rod is started to contract a pressing plate, the hub is pressed, the position of the hub is fixed, and follow-up hub installation operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power construction, in particular to a hydraulic variable pitch wind turbine hub supporting device. Background Art

[0002] The wind turbine hub is a key component of wind turbine equipment. Usually, the blades of the wind turbine will be installed on the hub, and the torque borne by the blades will be transmitted to the main shaft through the hub. Due to the large size of the hub, a support frame is required to support and fix the hub during installation.

[0003] After searching, it was found that a support frame for installing the hub of a wind turbine equipment was disclosed in the Chinese Public Utility Model Patent Publication No. CN212928065U. The movement of the clamping assembly can enable the device to have different clamping ranges, thereby adapting to the fixing work of wind turbine hubs of different sizes. However, the above device can only be adjusted manually, and lacks a structure that can adjust the hub to clamp the hub according to the thickness of the hub. The overall use is inconvenient, and therefore a support device that can automatically adjust the structure to clamp the hub is needed. Utility Model Content

[0004] The main purpose of the utility model is to provide a hydraulic variable pitch fan hub support device, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A hydraulic variable pitch wind turbine hub support device comprises a base, the outer surface of the base is fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to a screw, the outer surface of the screw is threadedly connected to a movable seat, and the upper surface of the movable seat is fixedly connected to a clamping seat.

[0007] In order to facilitate the up and down movement of the insertion rod, as a hydraulic variable pitch fan hub support device of the utility model, a slot is opened on the upper surface of the clamp seat, and the insertion rod is movably connected to the inner wall of the slot.

[0008] In order to achieve the effect of pressing the hub, as a hydraulic variable pitch fan hub support device of the utility model, the upper surface of the insertion rod is fixedly connected to a top seat, and the outer surface of the top seat is fixedly connected to a pressure plate.

[0009] In order to achieve the effect of fixing the top end of the hydraulic rod, as a hydraulic variable pitch fan hub support device of the utility model, a protrusion is fixedly connected to the outer surface of the top seat, and a top hole is opened on the lower surface of the top seat.

[0010] In order to achieve the effect of fixing the bottom end of the hydraulic rod, as a hydraulic variable pitch fan hub support device of the utility model, a bottom hole is opened on the upper surface of the movable seat, and the inner wall of the bottom hole is fixedly connected with the hydraulic rod.

[0011] In order to achieve the effect of assisting the movement of the movable seat, as a hydraulic variable pitch fan hub support device of the utility model, the upper surface of the movable seat is fixedly connected with a slide frame, and the outer surface of the base is fixedly connected with a slide rail.

[0012] In order to achieve the effect of installing one end of the screw rod, as a hydraulic variable pitch fan hub support device of the utility model, a mounting groove is opened on the upper surface of the base, a middle block is fixedly connected to the inner wall of the mounting groove, and a limiting hole is opened on the outer surface of the middle block.

[0013] In order to achieve the effect of facilitating the lifting of the device, as a hydraulic variable pitch fan hub support device of the utility model, an inclined plate is fixedly connected to the outer surface of the base, and a lifting groove is opened on the upper surface of the inclined plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The hydraulic variable pitch wind turbine hub support device, through the arrangement of a base, a servo motor, a screw, a moving seat and a clamping seat, first starts four servo motors synchronously according to the size of the hub, drives the screw to rotate, and makes the moving seat move in the installation groove until the range between the four clamping seats is larger than the hub, stops the servo motor, and starts the hydraulic rod according to the thickness of the hub, so that the distance between the pressure plate and the slide frame is greater than the thickness of the hub, and then places the hub on the upper surface of the slide frame, and then starts the four servo motors synchronously, so that the four moving seats are close to each other, and the hub is clamped in the four clamping seats, and then starts the hydraulic rod to retract the pressure plate, press the hub, and fix the position of the hub, which is convenient for subsequent hub installation operations, so that the structure of pressing the hub can be automatically adjusted, and the use of the device is convenient.

[0016] 2. The hydraulic variable pitch fan hub support device, through the arrangement of the slot, the insertion rod, the top seat, the protrusion, the pressure plate and the hydraulic rod, when adjusting the position of the pressure plate, the hydraulic rod lifts the pressure plate, so that the top seat moves upward in the slot with the insertion rod, and changes the distance between the pressure plate and the sliding frame, which is convenient for clamping hubs of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a hydraulic variable pitch fan hub support device according to Embodiment 1 of the utility model;

[0018] Figure 2 This is a schematic diagram of the axonometric structure of a hydraulic variable pitch fan hub support device viewed from above in Example 1 of the utility model;

[0019] Figure 3 This is a schematic cross-sectional structural diagram of a hydraulic variable pitch fan hub support device in front view according to Embodiment 1 of the utility model;

[0020] Figure 4 This is a schematic diagram of the axonometric structure of a middle block in a hub support device for a hydraulic variable pitch wind turbine according to Embodiment 1 of the utility model;

[0021] Figure 5 This is a schematic diagram of the exploded structure of a top seat in a hub support device for a hydraulic variable pitch wind turbine according to Example 1 of the utility model;

[0022] Figure 6 This is a schematic diagram of the axonometric structure of a top seat in a hub support device for a hydraulic variable pitch wind turbine according to Embodiment 1 of the utility model;

[0023] Figure 7 This is a schematic diagram of the axonometric structure of a movable seat in a hydraulic variable pitch wind turbine hub support device according to Example 1 of the utility model.

[0024] In the figure: 1. base; 2. servo motor; 3. screw; 4. moving seat; 5. clamping seat; 6. slot; 7. plug-in rod; 8. top seat; 9. bump; 10. pressure plate; 11. top hole; 12. bottom hole; 13. hydraulic rod; 14. slide frame; 15. slide rail; 16. middle block; 17. limit hole; 18. mounting slot; 19. inclined plate; 20. lifting slot. DETAILED DESCRIPTION

[0025] 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.

[0026] Example 1

[0027] like Figure 1-7 As shown, a hydraulic variable pitch wind turbine hub support device includes a base 1, the outer surface of the base 1 is fixedly connected to a servo motor 2, the output end of the servo motor 2 is fixedly connected to a screw 3, the outer surface of the screw 3 is threadedly connected to a movable seat 4, and the upper surface of the movable seat 4 is fixedly connected to a clamping seat 5.

[0028] When in use, through the arrangement of the base 1, the servo motor 2, the screw 3, the moving seat 4 and the clamping seat 5, four servo motors 2 are fixed on the four surfaces of the base 1, a screw 3 is installed at the output end of each servo motor 2, and the other end of the screw 3 is inserted into the limiting hole 17 of the middle block 16, the base 1 is a mounting groove 18, the mounting groove 18 is a moving seat 4, and the moving seat 4 and the screw 3 are threadedly connected, and the clamping seat 5 is fixed on the moving seat 4. When the device is in use, the four servo motors 2 are started synchronously according to the size of the wheel hub to drive the screw 3 to rotate, so that the moving seat 4 is in the mounting groove 1 8 until the range between the four clamping seats 5 is larger than the wheel hub, then stop the servo motor 2, and start the hydraulic rod 13 according to the thickness of the wheel hub, so that the distance between the pressure plate 10 and the sliding frame 14 is larger than the thickness of the wheel hub, and then place the wheel hub on the upper surface of the sliding frame 14, and then start the four servo motors 2 synchronously, so that the four moving seats 4 are close to each other, and the wheel hub is clamped in the four clamping seats 5, and then start the hydraulic rod 13 to retract the pressure plate 10, press the wheel hub, fix the position of the wheel hub, and facilitate the subsequent wheel hub installation operation, so that the structure of the clamping wheel hub can be automatically adjusted, which is convenient for the use of the device.

[0029] In this embodiment, a slot 6 is formed on the upper surface of the clamping seat 5 , and an inserting rod 7 is movably connected to the inner wall of the slot 6 .

[0030] During specific use, the slot 6 is arranged to facilitate the insertion rod 7 to move up and down.

[0031] In this embodiment, the upper surface of the insertion rod 7 is fixedly connected to a top seat 8 , and the outer surface of the top seat 8 is fixedly connected to a pressing plate 10 .

[0032] During specific use, the wheel hub is pressed tightly by the setting of the pressing plate 10 .

[0033] In this embodiment, a protrusion 9 is fixedly connected to the outer surface of the top seat 8 , and a top hole 11 is opened on the lower surface of the top seat 8 .

[0034] During specific use, the top end of the hydraulic rod 13 is fixed by setting the top hole 11.

[0035] In this embodiment, a bottom hole 12 is formed on the upper surface of the movable seat 4 , and a hydraulic rod 13 is fixedly connected to the inner wall of the bottom hole 12 .

[0036] During specific use, the bottom end of the hydraulic rod 13 is fixed by setting the bottom hole 12 .

[0037] In this embodiment, a slide frame 14 is fixedly connected to the upper surface of the movable seat 4 , and a slide rail 15 is fixedly connected to the outer surface of the base 1 .

[0038] During specific use, the sliding frame 14 and the sliding rail 15 are arranged to assist the movable seat 4 in moving.

[0039] In this embodiment, a mounting groove 18 is provided on the upper surface of the base 1 , a middle block 16 is fixedly connected to the inner wall of the mounting groove 18 , and a limiting hole 17 is provided on the outer surface of the middle block 16 .

[0040] During specific use, one end of the screw rod 3 is installed through the setting of the limiting hole 17.

[0041] In this embodiment, an inclined plate 19 is fixedly connected to the outer surface of the base 1 , and a hanging groove 20 is formed on the upper surface of the inclined plate 19 .

[0042] During specific use, the lifting device is conveniently lifted by providing the lifting slot 20 .

[0043] Working principle: When the device is in use, first start the four servo motors 2 synchronously according to the size of the wheel hub, drive the screw 3 to rotate, so that the movable seat 4 moves in the installation groove 18, until the range between the four clamping seats 5 is larger than the wheel hub, stop the servo motor 2, and start the hydraulic rod 13 according to the thickness of the wheel hub, so that the distance between the pressure plate 10 and the sliding frame 14 is greater than the thickness of the wheel hub, and then place the wheel hub on the upper surface of the sliding frame 14, and then start the four servo motors 2 synchronously, so that the four movable seats 4 are close to each other, and the wheel hub is clamped in the four clamping seats 5, and then start the hydraulic rod 13 to retract the pressure plate 10, press the wheel hub, and fix the position of the wheel hub, which is convenient for subsequent wheel hub installation operations.

[0044] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A hub support device for a hydraulic variable pitch wind turbine, comprising a base (1), characterized in that: The outer surface of the base (1) is fixedly connected to a servo motor (2), the output end of the servo motor (2) is fixedly connected to a screw rod (3), the outer surface of the screw rod (3) is threadedly connected to a movable seat (4), and the upper surface of the movable seat (4) is fixedly connected to a clamping seat (5); a slot (6) is provided on the upper surface of the clamping seat (5), and an insertion rod (7) is movably connected to the inner wall of the slot (6); a top seat (8) is fixedly connected to the upper surface of the insertion rod (7), and a pressure plate (10) is fixedly connected to the outer surface of the top seat (8); a convex block (9) is fixedly connected to the outer surface of the top seat (8), and a top hole (11) is provided on the lower surface of the top seat (8); a bottom hole (12) is provided on the upper surface of the movable seat (4), and a hydraulic rod (13) is fixedly connected to the inner wall of the bottom hole (12).

2. A hub support device for a hydraulic variable pitch wind turbine according to claim 1, characterized in that: The upper surface of the movable seat (4) is fixedly connected to a slide frame (14), and the outer surface of the base (1) is fixedly connected to a slide rail (15).

3. A hub support device for a hydraulic variable pitch wind turbine according to claim 1, characterized in that: The upper surface of the base (1) is provided with a mounting groove (18), the inner wall of the mounting groove (18) is fixedly connected with a middle block (16), and the outer surface of the middle block (16) is provided with a limiting hole (17).

4. The hub support device for a hydraulic variable pitch wind turbine according to claim 1, characterized in that: An inclined plate (19) is fixedly connected to the outer surface of the base (1), and a hanging groove (20) is provided on the upper surface of the inclined plate (19).

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