Yaw brake replacing tool of wind generating set

Abstract

The utility model belongs to the technical field of wind power generation, and particularly relates to a wind generating set yaw brake replacing tool which comprises a movable base and a manual hydraulic rod installed on the movable base, a bearing plate is movably installed at the top end of the manual hydraulic rod, and a magnetic suction cup is installed at the front end of the bearing plate. The bearing plate is movably connected with a magnetic suction cup, the magnetic suction face of the magnetic suction cup and the bearing plate are coplanar, the tail of the bearing plate is movably connected with an L-shaped rear tail plate, a disassembling space used for disassembling yaw brake bolts is formed between the rear tail plate and the bearing plate, and the bearing plate is driven by a manual hydraulic rod to abut against a bolt-free area at the bottom of the yaw brake. The lifting effect is stable by combining adsorption and fixation of the magnetic suction cup and stopping and limiting of the rear tail plate on the side face of the tail of the bearing plate, a flexible disassembly space is formed by dynamically adjusting the distance between the rear tail plate and the bearing plate, yaw brakes of different specifications are adapted, fixing hole positions do not need to be preset, universality is remarkably improved, and the working efficiency is improved while the operation risk is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of wind power generation technology, specifically relating to a tooling for replacing the yaw brake of a wind turbine generator set. Background Technology

[0002] Yaw brakes are heavy and bulky. In the traditional process of replacing yaw brakes, a lot of manual handling and bolt removal and installation work is often required. Manually lifting and removing yaw brakes is not only time-consuming and labor-intensive, but also poses a high risk of mechanical injury and falling objects. In addition, the space inside the tower is limited, and it is not easy for slightly larger devices to be brought into the nacelle through the tower. Utility Model Content

[0003] To address the problems mentioned in the background section, this invention provides a tooling for replacing the yaw brake of a wind turbine generator set. This tooling is adaptable to different specifications of yaw brakes and offers a stable lifting effect.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a tooling for replacing the yaw brake of a wind turbine generator set, comprising a movable base and a manual hydraulic rod mounted on the movable base, wherein a bearing plate is movably mounted on the top of the manual hydraulic rod, characterized in that: a magnetic chuck is installed at the front end of the bearing plate, and the magnetic suction surface of the magnetic chuck is coplanar with the bearing plate; an L-shaped rear tail plate is movably connected to the rear end of the bearing plate, and a disassembly space for disassembling the yaw brake bolts is formed between the rear tail plate and the bearing plate.

[0005] As a preferred tooling for replacing the yaw brake of a wind turbine generator set according to this utility model, a manual rotary table for adjusting the rotation of the bearing plate is fixedly installed at the top of the manual hydraulic rod.

[0006] As a preferred tooling for replacing the yaw brake of a wind turbine generator set according to this utility model, a connecting frame is fixedly connected to the top of the manual rotary table, a movable bracket is hinged to the straight end of the connecting frame, the top of the movable bracket is fixedly connected to the bottom end of the bearing plate, a threaded sleeve is rotatably connected to the inclined end of the connecting frame, a threaded rod is threadedly connected to the inner side of the threaded sleeve, a rotating sleeve is rotatably connected to the smooth surface at the top of the threaded rod, and the rotating sleeve is rotatably connected to the bottom end face of the bearing plate through the rotating bracket.

[0007] As a preferred tooling for replacing the yaw brake of a wind turbine generator set according to this utility model, a knob is fixedly connected to the bottom end of the threaded rod.

[0008] As a preferred tooling for replacing the yaw brake of a wind turbine generator set according to this utility model, a sliding bracket is fixedly connected to the surface of the bearing plate, one end of the tail plate is slidably connected to the sliding bracket, and a screw for limiting the position of the tail plate is threaded on the inner side of the sliding bracket.

[0009] As a preferred embodiment of the yaw brake replacement fixture for a wind turbine generator set according to this utility model, the movable base includes a chassis frame and several support frames. The top of the chassis frame is fixedly connected to the bottom of the manual hydraulic rod. Support frames for supporting the replacement fixture are hinged to the inner sides of the chassis frame, and the support frames can be rotated downwards for storage.

[0010] As a preferred tooling for replacing the yaw brake of a wind turbine generator set according to this utility model, several support frames with mutually distant ends are each equipped with a caster wheel assembly.

[0011] As a preferred embodiment of the yaw brake replacement fixture for a wind turbine generator set according to this utility model, a sliding rod is movably connected to the inner side of the far-away ends of several support frames via axial holes. A universal wheel bracket is rotatably connected to the upper surface of the circular support part at the bottom of the sliding rod via a plane bearing. A spring is connected to the top surface of the universal wheel bracket via a plane bearing. The top of the spring abuts against the lower surface of the support frame. A roller is rotatably connected to the bottom end of the universal wheel bracket. A limiting part is fixedly connected to the outer side of the bottom end of the support frame. The limiting part is used to press the surface of the roller.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the bearing plate is driven by a manual hydraulic rod to support the boltless area at the bottom of the yaw brake, combined with the magnetic suction cup for adsorption and fixation, and the rear tail plate for blocking and limiting the rear side, resulting in a stable lifting effect. The flexible disassembly space is formed by dynamically adjusting the distance between the rear tail plate and the bearing plate, which can be adapted to different specifications of yaw brakes. There is no need to pre-set fixing holes, which significantly improves versatility and improves work efficiency while reducing operational risks. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0014] Figure 1 This is a first-view schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the connection structure of the bearing plate in this utility model;

[0016] Figure 3 This is a second-view schematic diagram of the overall structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the connection structure of the connecting frame in this utility model;

[0018] Figure 5 This is a schematic diagram of the spring mounting structure in this utility model;

[0019] In the picture:

[0020] 1. Movable base; 2. Manual hydraulic rod; 3. Support plate; 4. Magnetic suction cup; 5. Rear tail plate; 6. Disassembly space; 7. Manual rotating table; 8. Connecting frame; 9. Movable bracket; 10. Threaded rod; 11. Threaded sleeve; 12. Rotating sleeve; 13. Knob; 14. Sliding bracket;

[0021] 101. Chassis frame; 102. Support frame; 103. Sliding rod; 104. Caster wheel bracket; 105. Roller; 106. Spring; 107. Limiting part. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1-5 As shown:

[0024] A tooling for replacing the yaw brake of a wind turbine generator set includes a movable base 1 and a manual hydraulic rod 2 mounted on the movable base 1. A support plate 3 is movably mounted on the top of the manual hydraulic rod 2. A magnetic chuck 4 is mounted on the front end of the support plate 3, and the magnetic suction surface of the magnetic chuck 4 is coplanar with the support plate 3. An L-shaped rear tail plate 5 is movably connected to the rear end of the support plate 3. A disassembly space 6 for removing the yaw brake bolts is formed between the rear tail plate 5 and the support plate 3.

[0025] In this embodiment, the yaw brake itself is heavy (the yaw brake of a 1.5MW wind turbine weighs 45kg) and is quite bulky. In the traditional process of replacing the yaw brake, a lot of manual handling and bolt removal and installation work is often required. Manually lifting and removing the yaw brake is not only time-consuming and labor-intensive, but also poses a high safety risk of mechanical injury and falling objects. In addition, the space inside the tower is limited, and it is not easy for slightly larger devices to enter the nacelle through the tower.

[0026] This design features a simple and compact structure. A manual hydraulic rod 2 raises the support plate 3 to abut the bolt-free section at the bottom of the yaw brake. The bolts of the yaw brake are concentrated on one side of the tail section, typically numbering eight, and the weight of the yaw brake is also concentrated in this bolted area. However, to facilitate bolt removal, this section needs to be exposed. Therefore, the support plate 3 can only abut the front end of the yaw brake. Thus, even with the bolts removable, the support plate 3 alone cannot stably support the yaw brake. Therefore, a magnetic chuck 4 is installed on the support plate 3. The control lever on the magnetic chuck 4 allows for control... The magnetic chuck 4 is magnetically attracted to the yaw brake. When the magnetic chuck 4 magnetically attracts the bottom of the yaw brake, the stable lifting effect can be further improved. In order to avoid the accidental situation of the magnetic chuck falling off, a rear tail plate 5 is added. The rear tail plate 5 can contact the rear side of the yaw brake, further improving the lifting effect and preventing the yaw brake from falling off. In order to make this device applicable to yaw brakes of different specifications and sizes, small holes are not made for the bolt positions. Instead, the bolts on the yaw brake are removed through the disassembly space 6 created by the cooperation between the rear tail plate 5 and the bearing plate 3, which has a wider range of applications.

[0027] In an optional embodiment, a manual rotary table 7 for adjusting the rotation of the support plate 3 is fixedly mounted on the top of the manual hydraulic rod 2.

[0028] To facilitate the adjustment of the position of the support plate 3, the rotation of the support plate 3 is adjusted by the manual rotary table 7. The manual rotary table 7 needs to be a manual rotary table with a locking function.

[0029] In an optional embodiment, a connecting frame 8 is fixedly connected to the top of the manual rotary table 7, a movable bracket 9 is hinged to the straight end of the connecting frame 8, the top of the movable bracket 9 is fixedly connected to the bottom end of the support plate 3, a threaded sleeve 11 is rotatably connected to the inclined end of the connecting frame 8, a threaded rod 10 is threadedly connected to the inner side of the threaded sleeve 11, and a rotating sleeve 12 is rotatably connected to the smooth surface of the top end of the threaded rod 10. The rotating sleeve 12 is rotatably connected to the bottom end surface of the support plate 3 through the rotating bracket.

[0030] In this embodiment, when it is necessary to adjust the tilt angle of the support plate 3, the position between the threaded rod 10 and the threaded sleeve 11 is changed by rotating the threaded rod 10, thereby adjusting the distance between the threaded sleeve 11 and the rotating sleeve 12. When the movable bracket 9 can rotate relative to the connecting frame 8, the angle adjustment function of the support plate 3 is finally realized. The end of the threaded rod 10 is a smooth part, which can be rotatably connected to the rotating sleeve 12 by means of bearing or shaft hole. The top of the rotating sleeve 12 can be closed, so that the structure can still maintain stability when the rotating sleeve 12 applies pressure to the threaded sleeve 11. The tilted end of the connecting frame 8 is tilted downward, which can realize a larger adjustment range of the support plate 3 and reduce the interference caused by the connecting frame 8 to the adjustment of the support plate 3. The bottom end of the threaded rod 10 is fixedly connected to a knob 13, which is convenient for rotating the threaded rod 10.

[0031] In an optional embodiment, a sliding bracket 14 is fixedly connected to the surface of the support plate 3, and one end of the rear tail plate 5 is slidably connected to the sliding bracket 14. The inner side of the sliding bracket 14 is threaded with screws for limiting the position of the rear tail plate 5.

[0032] In this embodiment, in order to accommodate yaw brakes of different sizes, the rear tail plate 5 is set to be adjustable so that the rear tail plate 5 can adhere to the rear side of the yaw brake. A flexible rubber layer can be fixed on the surface of the rear tail plate 5 facing the yaw brake to avoid the rear tail plate 5 causing squeezing damage to the hydraulic oil interface of the yaw brake. When the screw is loosened, the rear tail plate 5 can move relative to the sliding bracket 14. When it moves to the appropriate position, the screw contacts and squeezes the rear tail plate 5 to achieve the position lock and fixation.

[0033] In an optional embodiment, the mobile base 1 includes a chassis frame 101 and several support frames 102. The top of the chassis frame 101 is fixedly connected to the bottom of the manual hydraulic rod 2. Support frames 102 for supporting the changing tooling are hinged to the inner sides of the chassis frame 101, and the support frames 102 can be rotated downwards for storage.

[0034] In this embodiment, due to the limited space in the tower, although the device is small in size, further reducing its volume during transportation is more beneficial for transport, such as... Figure 3 As shown, the structure in which the chassis frame 101 and the support frame 102 are rotatably connected allows the support frame 102 to rotate only downwards and not upwards. Therefore, the support frame 102 can serve as the support structure for the entire device. During transportation, rotating the support frame 102 downwards is beneficial for the transportation of the device.

[0035] In an optional embodiment, caster wheel assemblies are mounted on the ends of several support frames 102 that are far apart from each other.

[0036] In this embodiment, the omnidirectional wheel assembly facilitates the movement of the device.

[0037] In an optional embodiment, a sliding rod 103 is movably connected to the inner side of the far-away ends of several support frames 102 via a axial hole. The upper surface of the circular support at the bottom end of the sliding rod 103 is rotatably connected to a universal wheel bracket 104 via a plane bearing. A spring 106 is connected to the top surface of the universal wheel bracket 104 via a plane bearing. The top end of the spring 106 abuts against the lower surface of the support frame 102. A roller 105 is rotatably connected to the bottom end of the universal wheel bracket 104. A limiting part 107 is fixedly connected to the outer side of the bottom end of the support frame 102. The limiting part 107 is used to press against the surface of the roller 105.

[0038] In this embodiment, although the caster assembly has the ability to rotate at multiple angles, its high flexibility makes it easy to move, but its fixing effect is very poor. If the device is unstable when supporting the yaw brake, it is easy to cause danger. Although there are caster assemblies with locking functions on the market, each caster assembly needs to be locked one by one, which is laborious for the confined space inside the engine room. When using this device, the extension of the manual hydraulic rod 2 causes the support plate 3 to support the yaw brake. The weight of the yaw brake will act on the movable base 1, i.e., support. The support frame 102 will move downwards closer to the roller 105. When the support frame 102 moves downwards, it will squeeze the spring 106, causing the spring 106 to be compressed. Since the sliding rod 103 can slide relative to the support frame 102, the support frame 102 can drive the limiting part 107 to squeeze the roller 105, thereby preventing the roller 105 from rotating and achieving the purpose of limiting movement. When the bearing plate 3 does not support the yaw brake, the elastic force of the spring 106 can separate the limiting part 107 from the roller 105, facilitating the movement of the device.

[0039] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A tooling for replacing the yaw brake of a wind turbine generator set, comprising a movable base (1) and a manual hydraulic rod (2) mounted on the movable base (1), wherein a bearing plate (3) is movably mounted on the top end of the manual hydraulic rod (2), characterized in that: A magnetic chuck (4) is installed at the front end of the support plate (3), and the magnetic suction surface of the magnetic chuck (4) is coplanar with the support plate (3). An L-shaped rear tail plate (5) is movably connected to the rear end of the support plate (3), and a disassembly space (6) is formed between the rear tail plate (5) and the support plate (3) for disassembling the yaw brake bolts.

2. The tooling for replacing the yaw brake of a wind turbine generator set according to claim 1, characterized in that: The top of the manual hydraulic rod (2) is fixedly mounted with a manual rotary table (7) for adjusting the rotation of the bearing plate (3).

3. The tooling for replacing the yaw brake of a wind turbine generator set according to claim 2, characterized in that: A connecting frame (8) is fixedly connected to the top of the manual rotary table (7). A movable bracket (9) is hinged to the straight end of the connecting frame (8). The top of the movable bracket (9) is fixedly connected to the bottom end of the bearing plate (3). A threaded sleeve (11) is rotatably connected to the inclined end of the connecting frame (8). A threaded rod (10) is threadedly connected to the inner side of the threaded sleeve (11). A rotating sleeve (12) is rotatably connected to the smooth surface at the top of the threaded rod (10). The rotating sleeve (12) is rotatably connected to the bottom end face of the bearing plate (3) through the rotating bracket.

4. The tooling for replacing the yaw brake of a wind turbine generator set according to claim 3, characterized in that: A knob (13) is fixedly connected to the bottom end of the threaded rod (10).

5. The tooling for replacing the yaw brake of a wind turbine generator set according to claim 1, characterized in that: A sliding bracket (14) is fixedly connected to the surface of the bearing plate (3). One end of the tail plate (5) is slidably connected to the sliding bracket (14). The inner side of the sliding bracket (14) is threaded with screws for limiting the position of the tail plate (5).

6. The tooling for replacing the yaw brake of a wind turbine generator set according to claim 1, characterized in that: The mobile base (1) includes a chassis frame (101) and several support frames (102). The top of the chassis frame (101) is fixedly connected to the bottom of the manual hydraulic rod (2). Support frames (102) for supporting the changing tooling are hinged to the inner sides of the chassis frame (101), and the support frames (102) can be rotated downwards for storage.

7. The tooling for replacing the yaw brake of a wind turbine generator set according to claim 6, characterized in that: Several support frames (102) are equipped with caster assemblies at their far ends.

8. The tooling for replacing the yaw brake of a wind turbine generator set according to claim 6, characterized in that: Several support frames (102) are movably connected to sliding rods (103) through axial holes at their far-away ends. The upper surface of the circular support at the bottom of the sliding rod (103) is rotatably connected to a universal wheel bracket (104) via a plane bearing. A spring (106) is connected to the top surface of the universal wheel bracket (104) via a plane bearing. The top of the spring (106) abuts against the lower surface of the support frame (102). A roller (105) is rotatably connected to the bottom end of the universal wheel bracket (104). A limiting part (107) is fixedly connected to the outer side of the bottom end of the support frame (102). The limiting part (107) is used to press the surface of the roller (105).

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