Adjustable safety pedal of wind turbine generator
By designing an adjustable safety foot pedal and using components such as steel plates and sliding mechanisms to automatically adjust the distance between the foot pedal and the yaw platform, the safety hazard caused by the anti-climber device is solved, and the safety and working efficiency of the wind turbine are improved.
Patent Information
- Application Number
- CN202520115571.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The distance between the free climber and the yaw platform is too large, which leads to safety hazards when personnel go up and down the tower, especially when going down the tower, accidents such as stepping on air are likely to occur.
An adjustable safety pedal for wind turbines is designed. It uses steel plates, sliding mechanisms, stepper motors, and ball screws as components. The distance between the safety pedal and the yaw platform is adjusted by a controller to achieve automatic height adjustment.
It improves the safety and working efficiency of wind turbines, reduces the probability of danger for workers when going up and down the tower, and ensures safety.
Smart Images
Figure CN223398805U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an adjustable safety pedal for a wind turbine generator set. Technical Background
[0002] In order to improve the maintenance efficiency of wind turbines, a no-climb device is installed on the unit. The no-climb device simplifies the process of personnel getting on and off the wind turbine, but it also poses a safety hazard. Since the no-climb device is installed at a high position, it is difficult for personnel to directly reach the yaw platform when getting off the tower, which makes it easy for accidents such as stepping on air to occur during the process of getting off the tower, seriously threatening the personal safety of the staff. Utility Model Content
[0003] The purpose of the utility model is to solve the problem that the distance between the free climber and the yaw platform is too large, which causes safety hazards when people go up and down the tower, and provide an adjustable safety footrest for wind turbines.
[0004] In order to solve the above-mentioned shortcomings, the present invention adopts the following technical solutions:
[0005] A wind turbine set adjustable safety pedal, which consists of a steel plate, a group of sliding mechanisms are fixedly connected in parallel at the bottom of the steel plate, a group of handles are welded in parallel at the top, channel steel A and channel steel B are welded in parallel on the inner sides of the handles, the channel steel A is provided with a hole A, the channel steel B is provided with a hole B, the channel steel A is bolted to the pedal steel pipe A through the hole A, the channel steel B is bolted to the pedal steel pipe B through the hole B, the lower ends of the steel pipe A and the steel pipe B are provided with a hole C, the steel pipe A is bolted to the first end of the connecting rod A through the hole C, the second end of the connecting rod A is bolted to the channel steel C, the channel steel C is fixedly connected to the sliding mechanism A, the steel pipe B is bolted to the first end of the connecting rod B through the hole C, the second end of the connecting rod B is bolted to the channel steel D, the channel steel D is fixedly connected to the sliding mechanism B, and a group of reinforcing rods are welded between the connecting rod A and the connecting rod B.
[0006] The wind turbine set has an adjustable safety foot pedal, and the sliding mechanism consists of two in a group. The sliding mechanism includes a base, a stepper motor and a ball screw. The right side of the base is electrically connected to the stepper motor, the motor shaft of the stepper motor is rotatably connected to the first end of the ball screw, the second end of the ball screw is rotatably connected to the bearing, the ball screw is fixedly connected to the bearing seat, the ball screw is movably connected to the slide, and the slide is fixedly connected to the channel steel C or the channel steel D. Beneficial effects
[0007] 1. The structural design of the automatic slide rail of the utility model can adjust the distance between the safety pedal and the yaw platform according to needs during use, which is convenient and fast, and improves the safety and working efficiency of the wind turbine.
[0008] 2. The utility model adds a safety handle at the safety step, which reduces the probability of danger when the workers go up and down the tower and ensures the safety of the workers. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Attachment Figure 1 This is the main view of the utility model;
[0010] Attachment Figure 2 It is the left view of the utility model;
[0011] Attachment Figure 3 This is the main view of the ladder of the utility model;
[0012] Attachment Figure 4 This is a structural view of the connecting rod of the present utility model.
[0013] Attachment Figure 5 This is the front view of the sliding mechanism of the utility model;
[0014] In the figure: 1. Steel plate; 2. Sliding mechanism A; 3. Sliding mechanism B; 4. Channel steel A; 5. Channel steel B; 6. Channel steel C; 7. Channel steel D; 8. Steel pipe A; 9. Steel pipe B; 10. Connecting rod A; 11. Connecting rod B; 12. Hole A; 13. Hole B; 14. Hole C; 15. Base; 16. Ball screw; 17. Stepper motor; 18. Bearing seat; 19. Bearing; 20. Slide; 21. Handle; 22. Reinforcement rod. DETAILED DESCRIPTION
[0015] Reference Figure 1-4 , an adjustable safety pedal for a wind turbine, which consists of a steel plate, a group of sliding mechanisms fixedly connected in parallel at the bottom of the steel plate, a group of handles 21 welded in parallel at the top, channel steel A4 and channel steel B5 welded in parallel on the inner sides of the handles, a hole A12 is provided on the channel steel A, a hole B13 is provided on the channel steel B, the channel steel A is bolted to the pedal steel pipe A8 through the hole A, the channel steel B is bolted to the pedal steel pipe B9 through the hole B, the lower ends of the steel pipe A and the steel pipe B are provided with a hole C14, the steel pipe A is bolted to the first end of the connecting rod A10 through the hole C, the second end of the connecting rod A is bolted to the channel steel C6, the channel steel C is fixedly connected to the sliding mechanism A2, the steel pipe B is bolted to the first end of the connecting rod B11 through the hole C, the second end of the connecting rod B is bolted to the channel steel D7, the channel steel D is fixedly connected to the sliding mechanism B3, and a group of reinforcing rods 22 are welded between the connecting rod A and the connecting rod B.
[0016] Reference Figure 5The wind turbine has an adjustable safety pedal. The sliding mechanism comprises two components, including a base 15, a stepper motor 17, and a ball screw 16. The right side of the base is electrically connected to the stepper motor. The stepper motor shaft is rotatably connected to the first end of the ball screw. The second end of the ball screw is rotatably connected to a bearing 19. The ball screw is fixedly connected to a bearing seat 18. The ball screw is movably connected to a slide 20. The slide is fixedly connected to a channel steel C or a channel steel D. Working principle:
[0017] Before use, the steel plate of the device is welded to the bottom surface of the yaw platform. After installation, the controller drives the stepper motor to move the connecting rod connected to the slide linearly along the trajectory of the ball screw. The connecting rod and the foot pedal form a slope for height adjustment. When the height reaches the required position, the device stops. Workers can ascend and descend the tower by stepping on the foot pedal. The device is equipped with a handle to enhance safety when ascending or descending the tower.
Claims
1. An adjustable safety step for a wind turbine generator system, comprising a steel plate and characterized by: A group of sliding mechanisms are fixedly connected in parallel at the bottom of the steel plate, and a group of handles are welded in parallel at the top. Channel steel A and channel steel B are welded in parallel on the inner sides of the handles. Hole A is provided on the channel steel A, and hole B is provided on the channel steel B. Channel steel A is bolted to pedal steel pipe A through hole A, and channel steel B is bolted to pedal steel pipe B through hole B. Holes C are provided at the lower ends of steel pipe A and steel pipe B. Steel pipe A is bolted to the first end of connecting rod A through hole C, and the second end of connecting rod A is bolted to channel steel C. Channel steel C is fixedly connected to sliding mechanism A, steel pipe B is bolted to the first end of connecting rod B through hole C, and the second end of connecting rod B is bolted to channel steel D. Channel steel D is fixedly connected to sliding mechanism B, and a group of reinforcing rods are welded between connecting rod A and connecting rod B.
2. The adjustable safety pedal for a wind turbine according to claim 1, characterized in that: The sliding mechanism consists of two in a group, and the sliding mechanism includes a base, a stepper motor and a ball screw. The right side of the base is electrically connected to the stepper motor, the motor shaft of the stepper motor is rotatably connected to the first end of the ball screw, the second end of the ball screw is rotatably connected to the bearing, the ball screw is fixedly connected to the bearing seat, the ball screw is movably connected to the slide, and the slide is fixedly connected to the channel steel C or the channel steel D.