Wind turbine generator protection device
By installing protective support plates inside the wind turbine tower and utilizing the cooperation of pushers and limiters, segmented protection of the climbing ladder is achieved, reducing the risk of falls and providing an additional support platform. This solves the problems of laborious and safe climbing of wind turbine towers, and improves climbing efficiency and safety.
Patent Information
- Application Number
- CN202520330551.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The internal ladders of wind turbine towers are quite high, making it difficult for workers to climb and posing a risk of falling. While existing staggered ladders reduce the fall height, they also increase the climbing distance, making them inconvenient to use.
Multiple protective devices are installed inside the tower. A fixed base and a protective plate are installed on the inner wall of the tower. The protective plate, which is rotatably mounted, is fixedly installed on the inner wall of the tower. The protective plate is located on the inner wall of the tower. A pusher is provided on the front side of the protective plate, a limiter is provided on the front side of the ladder, and a reset member is slidably installed on the inner wall of the tower. Through the cooperation of the pusher and the limiter, the horizontal and vertical states of the protective plate can be switched, providing an additional support platform.
The segmented design of the protective support plate reduces the fall height during climbing, provides an additional support platform, simplifies climbing movements, saves energy, and improves climbing safety and efficiency.
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Figure CN223608696U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wind power protection technical field, concretely relates to a wind turbine generator protection device. BACKGROUND
[0002] The wind turbine tower is the tower of the wind turbine generator, which mainly plays a supporting role in the wind turbine generator, and the wind turbine tower has multiple sections. A ladder is arranged in the wind turbine tower to enable the staff to move in the wind turbine tower and work and maintain everywhere in the wind turbine tower.
[0003] A safety ladder for iron tower is disclosed in Chinese patent CN204804684U, which comprises two ladder frames, each of which is formed by two round steel pipes welded together. The two ladder frames are welded alternately left and right, and a ladder is welded on the outside of each ladder frame.
[0004] The ladder inside the wind turbine tower is relatively high, and a safety accident may occur when falling from a high position while moving or working on the ladder. Although the staggered ladder can reduce the falling height, it prolongs the total length of the ladder, making it very laborious for the staff to climb and use inconveniently. SUMMARY
[0005] To solve the above problems, the utility model provides a wind turbine generator protection device to reduce the falling height and prolong the total length of the ladder inside the wind turbine tower.
[0006] The utility model discloses a wind turbine generator protection device, including tower and ladder, still include protection support plate, the inner wall of tower is fixedly installed with fixed seat, and fixed seat is connected with the fixed connection of ladder, protection support plate rotation is installed in the inner wall place of tower, and protection support plate is located between the ladder and the inner wall of tower;
[0007] The front side of the ladder is provided with a pushing element, and the front side of the ladder is provided with a limiting element. The moving end of the pushing element is connected with the rotating end of the limiting element in meshing connection. The moving end of the limiting element is attached to the top surface of the protection support plate. The inner wall of the tower is slidably installed with a reset element, and the reset element is arranged correspondingly with the protection support plate.
[0008] The protection support plate comprises a support plate, a torsional spring and a soft pad. The support plate is rotationally installed on the inner wall of the tower. The support plate and the rotating part of the tower are provided with a torsional spring. The top surface of the support plate is fixedly connected with a soft pad.
[0009] The support plate is composed of a support, a rotating rod and a plate body, the rotating rod is rotationally connected with the inner wall of the tower drum, the surface of the rotating rod is fixedly installed with the support, the plate body is fixedly installed on the top of the rotating rod and the support, a torsional spring is sleeved on both ends of the rotating rod, one end of the torsional spring is connected with the inner wall of the tower drum, the other end of the torsional spring is connected with the plate body, a pressure sensor is arranged on the surface of the tower drum and is correspondingly arranged with the support plate.
[0010] The pushing piece comprises a fixing frame, a sliding plate, a pushing plate, first clamping teeth and a spring, the fixing frame is fixedly installed on the front side of the ladder, the surface of the fixing frame is slidably installed with the sliding plate, the upper and lower ends of the sliding plate are fixedly installed with the pushing plate, the front side of the sliding plate is fixedly connected with the first clamping teeth, the surface of the pushing plate is fixedly connected with the spring, and the free end of the spring is connected with the fixing frame.
[0011] The limiting piece comprises a fixing plate, a rotating shaft, a transmission wheel, a limiting baffle and second clamping teeth, the fixing plate is fixedly installed on the front side of the ladder, the front side of the fixing plate is fixedly installed with an L-shaped plate, the rotating shaft is rotationally installed on the surface of the L-shaped plate, the surface of the rotating shaft is fixedly sleeved with the transmission wheel, the limiting baffle is slidably installed on the surface of the fixing plate, the limiting baffle penetrates through the surface of the fixing plate along the front and back directions, and the top of the limiting baffle is fixedly connected with the second clamping teeth.
[0012] The reset piece comprises a sliding rod, an electric push rod and a pressing plate, the sliding rod is slidably installed on the inner wall of the tower drum, the electric push rod is fixedly installed on the inner wall of the tower drum and the output end of the electric push rod is connected with the sliding rod, the surface of the sliding rod is fixedly installed with the pressing plate, and the pressing plate is correspondingly arranged with the protection supporting plate.
[0013] The utility model discloses the beneficial effect is as follows:
[0014] The utility model discloses a plurality of protection supporting plates are arranged on the inner wall of the tower drum, the ladder is divided into multiple sections, the protection supporting plate under the horizontal state is relied on to protect the staff, the height of falling is reduced, and the protection supporting plate can be used as an additional supporting platform to provide a standing point for the staff to work at the place, the moving end of the pushing piece is pushed to rotate the rotating end of the limiting piece by pressing the pushing piece, the rotating end of the limiting piece is conducted power to drive the moving end of the limiting piece to slide horizontally, so that the moving end is separated from the top surface of the protection supporting plate, the limiting of the protection supporting plate is quickly released, the support plate is turned over by the torsional spring, and the support plate is switched from the horizontal state to the vertical state, the staff can conveniently pass through, the moving end of the pushing piece is pushed to move downward by stepping on the moving end of the pushing piece when climbing downward, the moving end of the pushing piece is pushed to move downward when climbing upward, the moving end of the pushing piece is held, the action of pressing the pushing piece is repeated with the climbing action of the staff, physical strength is saved, the moving end of the reset piece is pressed to the protection supporting plate, and the protection supporting plate is switched from the vertical state to the horizontal state, and the protection supporting plate is quickly reset. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a three-dimensional structure schematic view of the utility model;
[0016] Figure 2 is Figure 1 is an enlarged schematic view of A part in the middle;
[0017] Figure 3 is a structure schematic view of the protection backing plate;
[0018] Figure 4 is a partial front view schematic view of the ladder, pusher and limiting piece;
[0019] Figure 5 is a partial sectional view schematic view of the ladder, pusher and limiting piece;
[0020] Figure 6 is a partial structure schematic view of the reset piece.
[0021] Reference signs: 1, ladder; 2, protection backing plate; 201, support plate; 202, torsion spring; 203, soft pad; 3, pusher; 301, fixed frame; 302, sliding plate; 303, push plate; 304, first clamping tooth; 305, spring; 4, limiting piece; 401, fixed plate; 402, rotating shaft; 403, transmission wheel; 404, limiting baffle; 405, second clamping tooth; 5, reset piece; 501, sliding rod; 502, electric push rod; 503, pressing plate. DETAILED DESCRIPTION
[0022] The utility model will be further explained in combination with specific embodiments, however, people skilled in the art should understand, the detailed description given here in combination with the drawings is to explain better, the structure of the utility model must exceed these limited embodiments, and for some equivalent replacement scheme or common means, this paper will not make detailed description, but still belongs to the protection scope of the application.
[0023] Figures 1-6 is the best embodiment of the utility model, the following will be further explained in combination with the drawings Figure 1 -attached Figure 6 The utility model will be further explained in combination with specific embodiments, however, people skilled in the art should understand, the detailed description given here in combination with the drawings is to explain better, the structure of the utility model must exceed these limited embodiments, and for some equivalent replacement scheme or common means, this paper will not make detailed description, but still belongs to the protection scope of the application.
[0024] The application relates to a wind turbine protection device, which comprises a tower drum and a ladder 1, further comprises protection supporting plates 2, a fixing seat is fixedly arranged on the inner wall of the tower drum, the fixing seat is fixedly connected with the ladder 1, the protection supporting plates 2 are rotationally arranged on the inner wall of the tower drum, the protection supporting plates 2 are located between the ladder 1 and the inner wall of the tower drum, the front end of the protection supporting plates 2 is arranged on the surface of the ladder 1 in a horizontal state, the number of the protection supporting plates 2 is multiple groups, and the multiple groups of protection supporting plates 2 are arranged in an equidistant manner along the up-down direction; a pushing piece 3 is arranged on the front side of the ladder 1, a limiting piece 4 is arranged on the front side of the ladder 1, the moving end of the pushing piece 3 is in meshing connection with the rotating end of the limiting piece 4, the moving end of the limiting piece 4 is attached to the top surface of the protection supporting plate 2, and a reset piece 5 is slidably arranged on the inner wall of the tower drum and is correspondingly arranged with the protection supporting plate 2.
[0025] Specifically, the staff can be supported by the ladder 1 to climb and lift in the tower drum, the ladder 1 is segmented by the protection supporting plates 2, so that the height of accidental falling of the staff on the ladder 1 is reduced, the moving end of the limiting piece 4 is separated from the top surface of the protection supporting plate 2 by moving the pushing piece 3 downwards, the protection supporting plate 2 is released from the limiting, and the protection supporting plate 2 in the vertical state is converted to the horizontal state by pressing the protection supporting plate 2 by the reset piece 5.
[0026] The protection supporting plate 2 comprises a supporting plate 201, a torsion spring 202 and a soft pad 203, the supporting plate 201 is rotationally arranged on the inner wall of the tower drum, the torsion spring 202 is arranged between the supporting plate 201 and the rotating part of the tower drum, and the soft pad 203 is fixedly connected to the top surface of the supporting plate 201.
[0027] Specifically, the ladder 1 is segmented by the rotatable supporting plate 201, the staff is protected by the supporting plate 201 in the horizontal state, and the staff can climb on the ladder 1 by the channel left by the supporting plate 201 in the vertical state, the supporting plate 201 is turned upwards by the torsion spring 202, and the impact of the staff falling on the supporting plate 201 is reduced by the soft pad 203.
[0028] The supporting plate 201 is composed of a support, a rotating rod and a plate body, the rotating rod is rotationally connected with the inner wall of the tower drum, the support is fixedly arranged on the surface of the rotating rod, the plate body is fixedly arranged on the top of the rotating rod and the support, the torsion spring 202 is sleeved on the two ends of the rotating rod, one end of the torsion spring 202 is connected with the inner wall of the tower drum, and the other end of the torsion spring 202 is connected with the plate body, and the surface of the tower drum is provided with a pressure sensor, and the pressure sensor is correspondingly arranged with the supporting plate 201.
[0029] Specifically, the supporting plate 201 can rotate in the tower drum by the rotating rod, the supporting strength of the plate body is improved by the support, and the supporting plate 201 is detected to be turned and attached to the inner wall of the tower drum by the pressure sensor.
[0030] The pushing piece 3 comprises a fixing frame 301, a sliding plate 302, a pushing plate 303, a first clamping tooth 304 and a spring 305, the fixing frame 301 is fixedly installed on the front side of the ladder 1, the surface of the fixing frame 301 is slidingly installed with the sliding plate 302, the sliding plate 302 penetrates the surface of the fixing frame 301 in the up-down direction, the upper and lower ends of the sliding plate 302 are fixedly installed with the pushing plate 303, the number of the pushing plate 303 is two groups, one group of the pushing plate 303 is located above the protection tray 2 in the horizontal state, the other group of the pushing plate 303 is located below the protection tray 2 in the horizontal state, the front side of the sliding plate 302 is fixedly connected with the first clamping tooth 304, the surface of the pushing plate 303 is fixedly connected with the spring 305, the free end of the spring 305 is connected with the fixing frame 301, the surface of the pushing plate 303 is fixedly connected with a guide rod, the spring 305 is sleeved on the surface of the guide rod, the guide rod is slidingly and telescopically connected with the fixing frame 301, and the spring 305 is connected with the pushing plate 303 above the protection tray 2.
[0031] Specifically, the sliding plate 302 is stably moved upward and downward by the fixing frame 301, the sliding plate 302 is driven to slide in the fixing frame 301 by pushing the pushing plate 303, the first clamping tooth 304 is in contact with the transmission wheel 403, the limiting piece 4 is moved, the spring 305 is pushed to move upward and reset after the pushing plate 303 is pressed downward, and the spring 305 is stably stretched and retracted through the guide rod.
[0032] The limiting piece 4 comprises a fixed plate 401, a rotating shaft 402, a transmission wheel 403, a limiting baffle 404 and a second clamping tooth 405, the fixed plate 401 is fixedly installed on the front side of the ladder 1, the front side of the fixed plate 401 is fixedly installed with an L-shaped plate, the rotating shaft 402 is rotatably installed on the surface of the L-shaped plate, the rotating shaft 402 penetrates the surface of the L-shaped plate in the left-right direction, the surface of the rotating shaft 402 is fixedly sleeved with the transmission wheel 403, the limiting baffle 404 is slidingly installed on the surface of the fixed plate 401, the limiting baffle 404 penetrates the surface of the fixed plate 401 in the front-rear direction, the top of the limiting baffle 404 is fixedly connected with the second clamping tooth 405, the number of the transmission wheel 403 is two groups, one group of the transmission wheel 403 is in meshing connection with the first clamping tooth 304, and the other group of the transmission wheel 403 is in meshing connection with the second clamping tooth 405, and the top of the limiting baffle 404 is fixedly installed with a clamping block.
[0033] Specifically, the transmission wheel 403 is meshed with the first clamping tooth 304, so that the pushing piece 3 drives the rotating shaft 402 to rotate, the transmission wheel 403 is meshed with the second clamping tooth 405, so that the limiting baffle 404 slides in the fixed plate 401, the top surface of the protection tray 2 is pressed and limited by the limiting baffle 404, and the clamping block prevents the limiting baffle 404 from being separated from the inside of the fixed plate 401.
[0034] The reset member 5 comprises a slide rod 501, an electric push rod 502 and a pressing plate 503, the slide rod 501 is slidably arranged on the inner wall of the tower drum, the electric push rod 502 is fixedly arranged on the inner wall of the tower drum, and the output end of the electric push rod 502 is connected with the slide rod 501, the surface of the slide rod 501 is fixedly arranged with the pressing plate 503, the pressing plate 503 is arranged in correspondence with the protection supporting plate 2, the number of the pressing plate 503 is multiple groups, and the multiple groups of the pressing plate 503 are arranged at equal intervals on the surface of the slide rod 501.
[0035] Specifically, the electric push rod 502 pushes the slide rod 501 to move up and down, and the slide rod 501 drives the pressing plate 503 to press the protection supporting plate 2.
[0036] In summary: when the staff works in the tower drum of the wind turbine, it is necessary to climb the ladder 1 to work at a high place, in order to ensure the safety of climbing, the ladder 1 is divided into multiple sections by the protection supporting plate 2, so that the falling height is reduced, when climbing from bottom to top, the staff reaches the position below the protection supporting plate 2, presses the push plate 303 at the lower position with hands, until the hands contact the ladder 1, the push plate 303 drives the slide plate 302 to slide in the fixed frame 301, through the meshing of the first clamping tooth 304 and the transmission wheel 403, the rotating shaft 402 rotates, and then through the meshing of the transmission wheel 403 and the second clamping tooth 405, the limiting baffle 404 slides forward in the fixed plate 401, so that the limiting baffle 404 is separated from the protection supporting plate 2, the limiting and fixing of the top surface of the protection supporting plate 2 are released, the torsional spring 202 drives the supporting plate 201 to rotate on the inner wall of the tower drum, so that the channel at the position is opened, after the hands of the staff are separated from the push plate 303, the spring 305 drives the push plate 303 to move upward, through the conduction of each component, the limiting baffle 404 is reset, the supporting plate 201 rotates until the supporting plate 201 contacts the pressure sensor on the inner wall of the tower drum, the electric push rod 502 is driven by the control equipment to delay for a certain time, so that the slide rod 501 moves downward, so that the staff can continue to climb upward along the ladder 1 and pass through the protection supporting plate 2 at the position, the staff continues to climb upward, the push plate 303 at the upper position is stepped on by the feet, until the feet contact the ladder 1, the limiting baffle 404 is controlled to slide forward again, at this time, the pressing plate 503 moves downward and contacts the protection supporting plate 2, so as to drive the supporting plate 201 to rotate reversely and reset to the original position, after the feet of the staff are separated from the push plate 303, the limiting baffle 404 is reset to press and limit the top surface of the protection supporting plate 2, when climbing from top to bottom, the above operation is repeated reversely, so that the staff can safely climb, when work is needed at a certain height position, the staff can stand on the protection supporting plate 2 to provide an additional working platform.
[0037] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, and according to the technical essence of the present application, still belong to the protection scope of the technical solution of the present application.
Claims
1. A wind turbine generator protection device comprising a tower and a ladder (1), characterized in that, Also include the protection of the deck (2), the inner wall of the tower is fixedly installed with a fixed seat, the fixed seat is fixedly connected with the ladder (1), the protection of the deck (2) is rotatably installed on the inner wall of the tower, and the protection of the deck (2) is located between the ladder (1) and the inner wall of the tower; The front side of the ladder (1) is provided with a pushing piece (3), the front side of the ladder (1) is provided with a limiting piece (4), and the moving end of the pushing piece (3) is engaged with the rotating end of the limiting piece (4). The moving end of the limiting piece (4) is attached to the top surface of the protection deck (2), the inner wall of the tower is slidably installed with a reset piece (5), and the reset piece (5) is correspondingly arranged with the protection deck (2).
2. A wind turbine protective device according to claim 1, characterised in that The protection deck (2) includes a support plate (201), a torsional spring (202) and a soft pad (203), the support plate (201) is rotatably installed on the inner wall of the tower, the support plate (201) is provided with a torsional spring (202) at the rotating position of the tower, and the top surface of the support plate (201) is fixedly connected with a soft pad (203).
3. A wind turbine protective device according to claim 2, wherein, The support plate (201) is composed of a bracket, a rotating rod and a plate body, the rotating rod is rotatably connected with the inner wall of the tower, the surface of the rotating rod is fixedly installed with a bracket, the plate body is fixedly installed on the top of the rotating rod and the bracket, the torsional spring (202) is sleeved on both ends of the rotating rod, one end of the torsional spring (202) is connected with the inner wall of the tower, the other end of the torsional spring (202) is connected with the plate body, and the surface of the tower is provided with a pressure sensor, and the pressure sensor is correspondingly arranged with the support plate (201).
4. A wind turbine protective device according to claim 1, wherein, The pushing piece (3) includes a fixed frame (301), a sliding plate (302), a push plate (303), a first clamping tooth (304) and a spring (305), the fixed frame (301) is fixedly installed on the front side of the ladder (1), the surface of the fixed frame (301) is slidably installed with a sliding plate (302), the upper and lower ends of the sliding plate (302) are fixedly installed with a push plate (303), the front side of the sliding plate (302) is fixedly connected with a first clamping tooth (304), the surface of the push plate (303) is fixedly connected with a spring (305), and the free end of the spring (305) is connected with the fixed frame (301).
5. A wind turbine protective device according to claim 1, wherein, The limiting piece (4) includes a fixed plate (401), a rotating shaft (402), a transmission wheel (403), a limiting baffle (404) and a second clamping tooth (405), the fixed plate (401) is fixedly installed on the front side of the ladder (1), the front side of the fixed plate (401) is fixedly installed with an L-shaped plate, the rotating shaft (402) is rotatably installed on the surface of the L-shaped plate, the surface of the rotating shaft (402) is fixedly sleeved with a transmission wheel (403), the limiting baffle (404) is slidably installed on the surface of the fixed plate (401), the limiting baffle (404) penetrates the surface of the fixed plate (401) in the front and rear directions, and the top of the limiting baffle (404) is fixedly connected with a second clamping tooth (405).
6. A wind turbine protective device according to claim 1, wherein, The reset member (5) comprises a sliding rod (501), an electric push rod (502) and a pressing plate (503), the sliding rod (501) is slidingly installed on the inner wall of the tower drum, the electric push rod (502) is fixedly installed on the inner wall of the tower drum, the output end of the electric push rod (502) is connected with the sliding rod (501), the surface of the sliding rod (501) is fixedly installed with the pressing plate (503), and the pressing plate (503) is correspondingly arranged with the protection supporting plate (2).
Citation Information
Patent Citations
Iron tower safety cat ladder
CN204804684U