Vibration frequency monitoring device for wind turbine generator

Abstract

The utility model discloses a wind turbine generator vibration frequency monitoring device, which comprises a vibration frequency monitor, the vibration frequency monitor is used for monitoring the vibration frequency of a wind turbine generator, one side of the vibration frequency monitor is fixedly provided with a telescopic adjusting mechanism, and the top end of the vibration frequency monitor is fixedly provided with a positioning cleaning mechanism; according to the utility model, by pulling the rotary telescopic rod, the rotary telescopic rod drives the positioning frame, the limiting frame, the positioning clamping groove and the detection end head to move, the positioning rod is shifted upwards through the positioning handle, so that the positioning rod drives the rotary telescopic rod to move upwards, and the rotary telescopic rod is shifted to rotate; the output end of the first motor fixed to one side of the positioning frame drives the limiting frame to rotate, so that the detection end is moved to the corresponding position, the hidden danger that the detection end of the wind turbine generator vibration frequency monitoring device is placed unstably in different environments is avoided, and the monitoring accuracy of the wind turbine generator vibration frequency monitoring device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine vibration frequency monitoring, in particular to a wind turbine vibration frequency monitoring device. Background Art

[0002] A wind turbine generator is a system that converts the kinetic energy of wind into electrical energy. A wind turbine generator includes a wind rotor and a generator; the wind rotor contains blades, a hub, reinforcements, etc. The wind turbine vibration frequency monitoring device is a portable special device that collects, records and stores the vibration frequency impact signal of the wind turbine for a long time on site.

[0003] In the prior art, the vibration frequency monitoring device of the wind turbine set is usually handheld for vibration monitoring, so that when the vibration frequency of the wind turbine set is monitored, it is easy for the detection instrument to be difficult to conveniently contact at close range due to the position of the wind turbine set, making the detection end of the detection instrument not conducive to unstable vibration frequency monitoring, reducing the practicality of the wind turbine set vibration frequency monitoring device. Therefore, a wind turbine set vibration frequency monitoring device is needed. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a wind turbine vibration frequency monitoring device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a wind turbine vibration frequency monitoring device, including a vibration frequency monitor, the vibration frequency monitor is used for monitoring the vibration frequency of the wind turbine, a telescopic adjustment mechanism is fixedly provided on one side of the vibration frequency monitor, and a positioning cleaning mechanism is fixedly provided on the top of the vibration frequency monitor;

[0006] The telescopic adjustment mechanism includes a positioning seat, a positioning rod is slidably provided on the inner wall of the positioning seat, a rotating telescopic rod is rotatably provided on one end of the positioning rod, a positioning frame is fixedly provided on one end of the rotating telescopic rod, a limiting frame is rotatably provided on one side of the positioning frame, a first motor is fixedly provided on one side of the positioning frame, an output end of the first motor is fixedly connected to one side of the limiting frame, a positioning slot is fixedly provided on one side of the limiting frame, and a detection terminal is engaged with the inner wall of the positioning slot.

[0007] In one example, a positioning handle is fixedly provided at one end of the bottom of the positioning rod.

[0008] In one example, one end of the detection terminal is connected to a connecting wire, one side of the connecting wire is fixedly provided with a connector, and one end of the connector is electrically connected to one end of the top of the vibration frequency monitor.

[0009] In one example, the positioning and cleaning mechanism includes a movable seat, a positioning groove is opened in the middle position of the top of the vibration frequency monitor, a positioning screw is rotatably provided on the inner wall of the positioning groove, the bottom end of the movable seat passes through the positioning groove and is threadedly connected to one end of the outer wall of the positioning screw, a second motor is fixedly provided on the inner wall of the positioning groove, the output end of the second motor is fixedly connected to one end of the positioning screw, and a cleaning pad is fixedly provided in the middle position of the top of the movable seat.

[0010] In one example, a limit seat is fixedly provided on one side of the middle position of the top of the vibration frequency monitor, and protective pads are fixedly provided on one end of both sides of the limit frame.

[0011] In one example, sealing gaskets are fixedly provided on both sides of the movable seat, and the top ends of the two sealing gaskets are respectively in contact with the top ends of the inner walls of the positioning grooves.

[0012] In one example, a switch panel is fixedly provided on one side of the vibration frequency monitor, and the first motor and the second motor are both electrically connected to an external power supply through the switch panel.

[0013] The wind turbine vibration frequency monitoring device proposed by the utility model can bring the following beneficial effects:

[0014] 1. A wind turbine vibration frequency monitoring device, by pulling the rotating telescopic rod, the rotating telescopic rod drives the positioning frame, the limit frame, the positioning slot and the detection terminal to move, the positioning rod is pushed upward by the positioning handle, so that the positioning rod drives the rotating telescopic rod to move upward, the rotating telescopic rod is pushed to rotate, and the limit frame is driven to rotate by the output end of the first motor fixed on one side of the positioning frame, so that the detection terminal moves to a corresponding position, thereby avoiding the hidden danger of unstable placement of the detection terminal of the wind turbine vibration frequency monitoring device under different environments, and increasing the monitoring accuracy of the wind turbine vibration frequency monitoring device.

[0015] 2. This wind turbine vibration frequency monitoring device drives the positioning screw to rotate through the output end of the second motor fixed on the inner wall of the positioning groove, so that the positioning screw drives the moving seat to slide along the positioning groove, and the moving seat drives the cleaning pad to perform friction cleaning at the bottom end of the detection end. The sealing pads fixed on both sides of the moving seat contact the bottom end of the positioning groove, so that the inner wall of the wind turbine vibration frequency monitoring device is protected to avoid dust accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the telescopic adjustment auxiliary adjustment structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the telescopic adjustment mechanism of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the positioning cleaning mechanism of the utility model.

[0021] In the figure: 1. Vibration frequency monitor; 2. Connector; 3. Connecting wire; 4. Detection terminal; 5. Limit seat; 6. Rotating telescopic rod; 7. Positioning slot; 8. Moving seat; 9. Positioning frame; 10. Limit frame; 11. Protective pad; 12. Positioning slot; 13. First motor; 14. Positioning seat; 15. Positioning rod; 16. Positioning handle; 17. Cleaning pad; 18. Positioning screw; 19. Sealing pad; 20. Second motor. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] The embodiments are as follows. The utility model provides Figure 1-4 A wind turbine vibration frequency monitoring device shown includes a vibration frequency monitor 1, which is used for monitoring the vibration frequency of the wind turbine. A telescopic adjustment mechanism is fixedly provided on one side of the vibration frequency monitor 1, and a positioning cleaning mechanism is fixedly provided on the top of the vibration frequency monitor 1.

[0025] The telescopic adjustment mechanism includes a positioning seat 14, the inner wall of the positioning seat 14 is slidably provided with a positioning rod 15, one end of the positioning rod 15 is rotatably provided with a rotating telescopic rod 6, one end of the rotating telescopic rod 6 is fixedly provided with a positioning frame 9, one side of the positioning frame 9 is rotatably provided with a limit frame 10, one side of the positioning frame 9 is fixedly provided with a first motor 13, the output end of the first motor 13 is fixedly connected to one side of the limit frame 10, one side of the limit frame 10 is fixedly provided with a positioning slot 12, the inner wall of the positioning slot 12 is engaged with a detection terminal 4, the output end of the first motor 13 fixed on one side of the positioning frame 9 drives the limit frame 10 to rotate, so that the detection terminal 4 moves to the corresponding position, avoiding the hidden danger of unstable placement of the detection terminal 4 of the wind turbine vibration frequency monitoring device under different environments, and increasing the monitoring accuracy of the wind turbine vibration frequency monitoring device.

[0026] A positioning handle 16 is fixedly provided at one end of the bottom of the positioning rod 15 .

[0027] One end of the detection terminal 4 is connected with a connecting wire 3 , one side of the connecting wire 3 is fixed with a connector 2 , and one end of the connector 2 is electrically connected to one end of the top of the vibration frequency monitor 1 .

[0028] Furthermore, the positioning and cleaning mechanism includes a moving seat 8, a positioning groove 7 is opened in the middle position of the top of the vibration frequency monitor 1, a positioning screw 18 is rotatably provided on the inner wall of the positioning groove 7, the bottom end of the moving seat 8 passes through the positioning groove 7 and is threadedly connected to one end of the outer wall of the positioning screw 18, a second motor 20 is fixedly provided on the inner wall of the positioning groove 7, and the output end of the second motor 20 is fixedly connected to one end of the positioning screw 18, and a cleaning pad 17 is fixedly provided at the middle position of the top of the moving seat 8. The moving seat 8 drives the cleaning pad 17 to perform friction cleaning on the bottom end of the detection end 4, and the sealing pads 19 fixed on both sides of the moving seat 8 are in contact with the bottom end of the positioning groove 7, so that the inner wall of the vibration frequency monitoring device of the wind turbine set is protected to avoid dust accumulation.

[0029] Furthermore, a limiting seat 5 is fixedly provided on one side of the middle position of the top of the vibration frequency monitor 1 , and protective pads 11 are fixedly provided on one end of both sides of the limiting frame 10 .

[0030] Furthermore, sealing pads 19 are fixedly provided on both sides of the movable seat 8 , and the top ends of the two sealing pads 19 are in contact with the top ends of the inner walls of the positioning groove 7 , respectively.

[0031] Furthermore, a switch panel is fixedly provided on one side of the vibration frequency monitor 1 , and the first motor 13 and the second motor 20 are both electrically connected to an external power source through the switch panel.

[0032] Working principle: When the wind turbine vibration frequency monitoring device needs to be used, the limit frame 10 is separated from the top of the limit seat 5, and the rotating telescopic rod 6 is pulled to make the rotating telescopic rod 6 drive the positioning frame 9, the limit frame 10, the positioning slot 12 and the detection terminal 4 to move, and the positioning handle 16 is used to push the positioning rod 15 upward so that the positioning rod 15 drives the rotating telescopic rod 6 to move upward. When one end of the rotating telescopic rod 6 is separated from one side of the positioning seat 14, the rotating telescopic rod 6 is pushed to rotate, and the output end of the first motor 13 fixed on one side of the positioning frame 9 drives the limit frame 10 to rotate, so that the detection terminal 4 moves to the corresponding position, so as to avoid the wind turbine vibration frequency monitoring device from being damaged under different environments. The hidden danger of unstable placement of the detection terminal 4 is eliminated, and the monitoring accuracy of the wind turbine vibration frequency monitoring device is increased; when the detection terminal 4 is engaged with the top of the limit seat 5 through the limit frame 10, the bottom end of the detection terminal 4 just contacts with the cleaning pad 17 on the top of the moving seat 8, and the output end of the second motor 20 fixed on the inner wall of the positioning groove 7 drives the positioning screw 18 to rotate, so that the positioning screw 18 drives the moving seat 8 to slide along the positioning groove 7, so that the moving seat 8 drives the cleaning pad 17 to perform friction cleaning at the bottom end of the detection terminal 4, and the sealing pads 19 fixed on both sides of the moving seat 8 contact with the bottom end of the positioning groove 7, so that the inner wall of the wind turbine vibration frequency monitoring device is protected to avoid dust accumulation.

[0033] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0034] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A wind turbine vibration frequency monitoring device, comprising: A vibration frequency monitor (1), the vibration frequency monitor (1) being used for monitoring the vibration frequency of a wind turbine set, a telescopic adjustment mechanism being fixedly provided on one side of the vibration frequency monitor (1), and a positioning cleaning mechanism being fixedly provided on the top of the vibration frequency monitor (1); The telescopic adjustment mechanism comprises a positioning seat (14), a positioning rod (15) is slidably provided on the inner wall of the positioning seat (14), one end of the positioning rod (15) is rotatably provided with a rotating telescopic rod (6), one end of the rotating telescopic rod (6) is fixedly provided with a positioning frame (9), one side of the positioning frame (9) is rotatably provided with a limiting frame (10), one side of the positioning frame (9) is fixedly provided with a first motor (13), the output end of the first motor (13) is fixedly connected to one side of the limiting frame (10), one side of the limiting frame (10) is fixedly provided with a positioning slot (12), and the inner wall of the positioning slot (12) is engaged with a detection terminal (4).

2. A wind turbine vibration frequency monitoring device according to claim 1, characterized in that: A positioning handle (16) is fixedly provided at one end of the bottom of the positioning rod (15).

3. A wind turbine vibration frequency monitoring device according to claim 1, characterized in that: One end of the detection terminal (4) is connected to a connecting wire (3), one side of the connecting wire (3) is fixedly provided with a connector (2), and one end of the connector (2) is electrically connected to one end of the top of the vibration frequency monitor (1).

4. A wind turbine vibration frequency monitoring device according to claim 1, characterized in that: The positioning cleaning mechanism comprises a movable seat (8), a positioning groove (7) is provided in the middle position of the top of the vibration frequency monitor (1), a positioning screw (18) is rotatably provided on the inner wall of the positioning groove (7), the bottom end of the movable seat (8) passes through the positioning groove (7) and is threadedly connected to one end of the outer wall of the positioning screw (18), a second motor (20) is fixedly provided on the inner wall of the positioning groove (7), the output end of the second motor (20) is fixedly connected to one end of the positioning screw (18), and a cleaning pad (17) is fixedly provided at the middle position of the top of the movable seat (8).

5. A wind turbine vibration frequency monitoring device according to claim 1, characterized in that: A limiting seat (5) is fixedly provided on one side of the middle position of the top of the vibration frequency monitor (1), and protective pads (11) are fixedly provided on one end of both sides of the limiting frame (10).

6. A wind turbine vibration frequency monitoring device according to claim 4, characterized in that: Sealing pads (19) are fixedly provided on both sides of the movable seat (8), and the top ends of the two sealing pads (19) are respectively in contact with the top ends of the inner walls of the positioning groove (7).

7. A wind turbine vibration frequency monitoring device according to claim 4, characterized in that: A switch panel is fixedly provided on one side of the vibration frequency monitor (1), and the first motor (13) and the second motor (20) are both electrically connected to an external power source via the switch panel.

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