Anti-falling off type yaw brake

Through the design of the anti-fall-off yaw brake, the brake caliper is stabilized by connecting bolts and a limiting structure, which solves the problem of the brake caliper easily falling off and achieves improved braking stability and power generation efficiency.

CN223434666UActive Publication Date: 2025-10-14HENAN KAIHUA ENERGY CO LTD
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Patent Information

Application Number
CN202423281938.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-10-14
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The existing yaw brake is easy to fall off during installation, resulting in reduced wind turbine accuracy and reduced power generation efficiency.

Method used

An anti-fall-off yaw brake is designed. The connection between the brake caliper and the cabin plate is limited by the combined structure of connecting bolts, connecting sleeves, plug rods and bent rods, ensuring the stability of the brake caliper and preventing it from falling off.

Benefits of technology

It effectively prevents the brake caliper from falling off, ensures the stability of the braking effect, and improves the accuracy of wind turbines in responding to wind and the power generation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of yaw brakes, and particularly relates to an anti-falling type yaw brake which comprises a machine frame, a brake disc is fixedly connected to the top end of the machine frame, a bearing assembly is arranged on the top of the machine frame, and the bearing assembly comprises a bearing outer ring fixedly connected to the top end of the brake disc. A bearing inner ring is rotatably connected to the interior of the bearing outer ring, a cabin plate is fixedly connected to the top end of the bearing inner ring, a braking assembly is arranged on the surface of the bearing assembly, a limiting assembly is arranged on the surface of the braking assembly, and a stabilizing assembly is arranged on the surface of the bearing assembly; after the brake caliper is installed through the connecting bolt, the surface of the connecting bolt is sleeved with the first connecting sleeve, at the moment, the connecting block is limited through the combination of the first inserting rod and the bent rod and the second inserting rod, the situation that the brake caliper is separated from a cabin plate is avoided, and then the stability of the brake caliper in the using process is kept; therefore, the brake caliper can stably brake.
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Description

Technical Field

[0001] The utility model relates to the field of yaw brakes, in particular to an anti-falling yaw brake. Background Art

[0002] During wind power generation, the yaw brake can prevent the wind turbine from generating excessive vibration during yaw, thereby preventing resonance of the entire machine and protecting the safe and stable operation of the wind turbine. During the operation of the wind turbine, the yaw brake also plays a key role, ensuring that the nacelle can be reliably positioned after rotating to face the wind, and cooperating with the yaw reducer to achieve smooth rotation, which is crucial for maintaining the accuracy of the wind turbine facing the wind and improving power generation efficiency.

[0003] At present, when installing the brake caliper, the brake caliper is usually installed directly on the nacelle and fixed with bolts. However, due to the large interaction force between the brake caliper and the brake disc, the brake caliper may fall off, which may cause the yaw system to malfunction, thereby affecting the ground-to-wind accuracy of the wind turbine and reducing the power generation efficiency. Therefore, an anti-falling yaw brake is proposed to address the above problem. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology and avoid the problem of reduced power generation efficiency due to the falling off of the brake caliper, the utility model proposes an anti-falling yaw brake.

[0005] The technical solution adopted by the utility model to solve the technical problem is: an anti-falling yaw brake, comprising a frame, a brake disc is fixedly connected to the top of the frame, a bearing assembly is provided on the top of the frame, a brake assembly is provided on the surface of the bearing assembly, a limiting assembly is provided on the surface of the brake assembly, and a stabilizing assembly is provided on the surface of the bearing assembly;

[0006] The bearing assembly includes a bearing outer ring fixedly connected to the top of the brake disc, the inner ring of the bearing is rotatably connected to the inside of the bearing outer ring, the top of the bearing inner ring is fixedly connected to the cabin panel, and the left and right sides of the top of the cabin panel are fixedly connected to the brake motor;

[0007] The brake assembly includes a connecting bolt inserted into the surface of the cabin plate, a connecting nut is rotatably connected to the surface of the top of the connecting bolt, and a brake caliper is fixedly connected to the bottom end of the connecting bolt;

[0008] The limiting component includes a connecting sleeve 1 that is sleeved on the surface of the connecting bolt, a connecting block is fixedly connected to the surface of the connecting sleeve 1, an insertion rod 1 is inserted into the interior of the connecting block, a bent rod is fixedly connected to the bottom end of the insertion rod 1, the internal thread of the bent rod away from the connecting sleeve 1 is connected to a threaded rod, the surface of the threaded rod close to the connecting sleeve 1 is threadedly connected to an internal threaded plate, and the side of the internal threaded plate away from the threaded rod is fixedly connected to a pin.

[0009] Preferably, the connecting nut is located above the cabin plate and fits in place on the top of the cabin plate, the brake caliper and the brake disc fit in place and contact each other, and the braking effect is achieved by clamping the brake caliper on the surface of the brake disc.

[0010] Preferably, the insertion rod 1 passes through the upper and lower ends of the connecting block, a slot is provided on the top of the insertion rod 1, the pin passes through the slot, and the insertion rod 1 is inserted into the inside of the connecting block. At this time, the connecting block and the connecting sleeve 1 can be limited, and the connecting sleeve 1 is inserted into the surface of the connecting bolt. At this time, the combination of the connecting bolt and the brake caliper is limited, further ensuring the stability of the use of the brake caliper and avoiding the risk of the brake caliper falling off.

[0011] Preferably, the cross-section of the bent rod is L-shaped, and the internal threaded plate is slidably connected to the top end of the connecting block.

[0012] Preferably, the stabilizing assembly includes a fixed plate fixedly connected to the bottom end of the cabin plate, a second insertion rod is inserted into the interior of the fixed plate, annular grooves are provided on the surfaces of the two end faces of the second insertion rod, the bottom end of the fixed plate is fixedly connected to the bottom plate, a sliding rod is slidably connected to the interior of the bottom plate, the top end of the sliding rod is fixedly connected to a second connecting sleeve, and the bottom end of the second connecting sleeve is fixedly connected to a pressure spring.

[0013] Preferably, the top end of the bent rod is provided with a slot adapted to be plugged into the second plugging rod, and the second plugging rod fixes the top end of the bent rod inside the fixing plate.

[0014] Preferably, the second connecting sleeve is adapted to be fitted inside the annular groove, and the bottom end of the pressure spring is fixedly connected to the bottom wall of the base plate. After the second connecting sleeve is fitted inside the annular groove, the second insertion rod is confined inside the fixed plate. At this time, the bent rod and the second insertion rod are confined inside the fixed plate.

[0015] The utility model is beneficial in that:

[0016] After the brake caliper is installed by the connecting bolts, the connecting sleeve is connected to the surface of the connecting bolts. At this time, the connecting block is limited by the combination of the first insertion rod and the bent rod and the second insertion rod, so as to prevent the brake caliper from being separated from the cabin plate, thereby maintaining the stability of the brake caliper when in use, so that the brake caliper can brake stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic cross-sectional view of the utility model;

[0020] Figure 3 This is a schematic diagram of the partial structure of the bottom of the cabin floor of the utility model;

[0021] Figure 4 This is a schematic diagram of the brake assembly structure of the present utility model;

[0022] Figure 5 For the utility model Figure 4 A schematic diagram of the structure enlarged in the middle;

[0023] Figure 6 It is a structural schematic diagram of the stabilizing component of the present utility model.

[0024] In the figure: 1. Frame; 2. Brake disc; 3. Load-bearing assembly; 31. Bearing outer ring; 32. Bearing inner ring; 33. Cabin plate; 34. Brake motor; 4. Brake assembly; 41. Connecting bolt; 42. Connecting nut; 43. Brake caliper; 5. Limiting assembly; 51. Connecting sleeve 1; 52. Connecting block; 53. Insert rod 1; 54. Bent rod; 55. Threaded rod; 56. Internally threaded plate; 57. Pin; 6. Stabilizing assembly; 61. Fixing plate; 62. Insert rod 2; 63. Annular groove; 64. Bottom plate; 65. Sliding rod; 66. Connecting sleeve 2; 67. Pressure spring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] The following is combined with Figure 1 —6 Further details of this application:

[0027] The embodiment of the present application discloses an anti-drop yaw brake. Figure 1 An anti-fall yaw brake comprises a frame 1, a brake disc 2 is fixedly connected to the top of the frame 1, a bearing assembly 3 is provided on the top of the frame 1, a brake assembly 4 is provided on the surface of the bearing assembly 3, a limiting assembly 5 is provided on the surface of the brake assembly 4, and a stabilizing assembly 6 is provided on the surface of the bearing assembly 3;

[0028] The bearing assembly 3 includes a bearing outer ring 31 fixedly connected to the top of the brake disc 2. The inner ring 32 of the bearing outer ring 31 is rotatably connected to the bearing. The top of the bearing inner ring 32 is fixedly connected to the cabin plate 33. The left and right sides of the top of the cabin plate 33 are fixedly connected to the brake motor 34.

[0029] Reference Figure 2 - Figure 5 The brake assembly 4 includes a connecting bolt 41 inserted into the surface of the nacelle plate 33. The surface of the top of the connecting bolt 41 is rotatably connected to a connecting nut 42. The bottom end of the connecting bolt 41 is fixedly connected to a brake caliper 43. The connecting nut 42 is located above the nacelle plate 33 and fits closely to the top of the nacelle plate 33. The brake caliper 43 and the brake disc 2 fit in contact with each other. The brake caliper 43 is clamped on the surface of the brake disc 2 to achieve a braking effect.

[0030] The limiting component 5 includes a connecting sleeve 51 that is sleeved on the surface of the connecting bolt 41. The surface of the connecting sleeve 51 is fixedly connected to a connecting block 52. An insert rod 53 is inserted into the interior of the connecting block 52. The bottom end of the insert rod 53 is fixedly connected to a bent rod 54. The inner thread of the bent rod 54 away from the side of the connecting sleeve 51 is connected to a threaded rod 55. The surface of the threaded rod 55 close to the end of the connecting sleeve 51 is threadedly connected to an internal threaded plate 56. The cross-section of the bent rod 54 is L-shaped. The internal threaded plate 56 is slidably connected to the top of the connecting block 52. A pin 57 is fixedly connected to the side of the patterned plate 56 away from the threaded rod 55. The plug rod 1 53 passes through the upper and lower ends of the connecting block 52. A slot is provided on the top of the plug rod 1 53. The pin 57 passes through the slot. The plug rod 1 53 is inserted into the inside of the connecting block 52. At this time, the connecting block 52 and the connecting sleeve 1 51 can be restricted, and the connecting sleeve 1 51 is inserted into the surface of the connecting bolt 41. At this time, the combination of the connecting bolt 41 and the brake caliper 43 is restricted, which further ensures the stability of the use of the brake caliper 43 and avoids the risk of the brake caliper 43 falling off.

[0031] Reference Figure 6The stable assembly 6 comprises a fixed plate 61 fixedly connected to the bottom end of the cabin plate 33, a second insertion rod 62 inserted into the fixed plate 61, a top end of the bent rod 54 is provided with an insertion slot matched with the second insertion rod 62, the second insertion rod 62 limits the top of the bent rod 54 inside the fixed plate 61, and annular grooves 63 are formed in the surfaces of the two end faces of the second insertion rod 62. The bottom end of the fixed plate 61 is fixedly connected with a bottom plate 64, the inside of the bottom plate 64 is slidably connected with a sliding rod 65, the top end of the sliding rod 65 is fixedly connected with a second connecting sleeve 66, the bottom end of the second connecting sleeve 66 is fixedly connected with a pressure spring 67, the second connecting sleeve 66 is matched and sleeved in the inside of the annular groove 63, and the bottom end of the pressure spring 67 is fixedly connected to the bottom wall of the bottom plate 64. After the second connecting sleeve 66 is sleeved in the inside of the annular groove 63, the second insertion rod 62 is limited in the inside of the fixed plate 61, and at this time, the bent rod 54 and the second insertion rod 62 are limited in the inside of the fixed plate 61.

[0032] Working principle: first, the connecting bolt 41 is inserted into the first connecting sleeve 51 and matched with the corresponding position of the cabin plate 33, at this time, the connecting bolt 41 fixes the first connecting sleeve 51 to the brake caliper 43 and the similar end of the cabin plate 33, and at this time, the position of the brake caliper 43 is adjusted to be matched with the brake disc 2, then the connecting nut 42 is tightened to fix the connecting bolt 41 to the bottom of the cabin plate 33, at this time, the first insertion rod 53 is inserted into the inside of the connecting block 52, then the threaded rod 55 is rotated to drive the inner threaded plate 56 to slide on the top of the connecting block 52, at this time, the inner threaded plate 56 drives the insertion pin 57 to be inserted into the inside of the first insertion rod 53, so that the first insertion rod 53 limits the position of the connecting block 52, then the second connecting sleeve 66 is pulled upwards, at this time, the second connecting sleeve 66 stretches the pressure spring 67 to move upwards, at this time, the second insertion rod 62 is inserted into the inside of the fixed plate 61, and the second insertion rod 62 is inserted into the corresponding insertion slot of the bent rod 54, at this time, the second insertion rod 62 limits the bent rod 54 in the inside of the fixed plate 61, then the position of the second insertion rod 62 is adjusted, at this time, the second connecting sleeve 66 is loosened, and the second connecting sleeve 66 is sleeved in the inside of the annular groove 63 under the action of the elastic force of the pressure spring 67, at this time, the second insertion rod 62 is limited in the inside of the fixed plate 61, that is, at this time, the second insertion rod 62 and the bent rod 54 are limited on the surface of the fixed plate 61 at the bottom end of the cabin plate 33, at this time, the connecting block 52 is limited, so that the connecting block 52 and the first connecting sleeve 51 further limit the connecting bolt 41, and the brake caliper 43 is limited by the connecting nut 42 and the first connecting sleeve 51 at the same time, so as to avoid the brake caliper 43 from falling off, and the brake caliper 43 can stably brake the brake disc 2.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. An anti-drop yaw brake, characterized in that: The invention comprises a frame (1), a brake disc (2) is fixedly connected to the top of the frame (1), a bearing assembly (3) is provided on the top of the frame (1), a brake assembly (4) is provided on the surface of the bearing assembly (3), a limiting assembly (5) is provided on the surface of the brake assembly (4), and a stabilizing assembly (6) is provided on the surface of the bearing assembly (3); The bearing assembly (3) includes a bearing outer ring (31) fixedly connected to the top of the brake disc (2), the inner portion of the bearing outer ring (31) is rotatably connected to the bearing inner ring (32), the top of the bearing inner ring (32) is fixedly connected to the cabin plate (33), and the left and right sides of the top of the cabin plate (33) are fixedly connected to the brake motor (34); The brake assembly (4) includes a connecting bolt (41) inserted into the surface of the cabin plate (33), a connecting nut (42) is rotatably connected to the surface of the top of the connecting bolt (41), and a brake caliper (43) is fixedly connected to the bottom end of the connecting bolt (41); The limiting assembly (5) includes a connecting sleeve (51) sleeved on the surface of the connecting bolt (41), a connecting block (52) fixedly connected to the surface of the connecting sleeve (51), an insert rod (53) inserted inside the connecting block (52), a bent rod (54) fixedly connected to the bottom end of the insert rod (53), a threaded rod (55) connected to the inner thread of the bent rod (54) away from the connecting sleeve (51), an inner threaded plate (56) connected to the surface of the threaded rod (55) near one end of the connecting sleeve (51), and a latch (57) fixedly connected to the side of the inner threaded plate (56) away from the threaded rod (55).

2. The anti-drop yaw brake according to claim 1, characterized in that: The connecting nut (42) is located above the cabin plate (33) and fits in contact with the top of the cabin plate (33). The brake caliper (43) and the brake disc (2) fit in contact with each other.

3. The anti-drop yaw brake according to claim 1, characterized in that: The insertion rod 1 (53) passes through the upper and lower ends of the connecting block (52), and a slot is provided on the top of the insertion rod 1 (53), and the latch (57) passes through the slot.

4. The anti-drop yaw brake according to claim 1, characterized in that: The cross-section of the bent rod (54) is L-shaped, and the internal thread plate (56) is slidably connected to the top end of the connecting block (52).

5. The anti-fall-off yaw brake according to claim 1, characterized in that: The stabilizing assembly (6) includes a fixing plate (61) fixedly connected to the bottom end of the cabin plate (33), a second plug rod (62) is inserted into the interior of the fixing plate (61), and an annular groove (63) is provided on the surfaces of both end faces of the second plug rod (62), the bottom end of the fixing plate (61) is fixedly connected to a bottom plate (64), the interior of the bottom plate (64) is slidably connected to a sliding rod (65), the top end of the sliding rod (65) is fixedly connected to a second connecting sleeve (66), and the bottom end of the second connecting sleeve (66) is fixedly connected to a pressure spring (67).

6. The anti-drop yaw brake according to claim 5, characterized in that: The top end of the curved rod (54) is provided with a slot adapted to be plugged into the second plug rod (62).

7. The anti-drop yaw brake according to claim 5, characterized in that: The second connecting sleeve (66) is adapted to fit inside the annular groove (63), and the bottom end of the pressure spring (67) is fixedly connected to the bottom wall of the bottom plate (64).