CN220227090U - Impeller lock centering device - Google Patents
Impeller lock centering device Download PDFInfo
- Publication number
- CN220227090U CN220227090U CN202321446092.7U CN202321446092U CN220227090U CN 220227090 U CN220227090 U CN 220227090U CN 202321446092 U CN202321446092 U CN 202321446092U CN 220227090 U CN220227090 U CN 220227090U
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- China
- Prior art keywords
- locking
- centering device
- impeller
- disc
- impeller lock
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- 238000009434 installation Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses an impeller lock centering device, which relates to the field of wind power generation and aims at solving the problem that an impeller lock is easy to damage in the prior art.
Description
Technical Field
The utility model relates to the field of wind power generation, in particular to an impeller lock centering device.
Background
In the wind generating set, an impeller lock is generally arranged at a shell position at the input end of a gear box or on a main frame and is used for safely locking the set under the working condition of long-term shutdown or high wind speed. When maintenance personnel enter the hubcap or hub to work, an impeller lock is required to lock the impeller in order to ensure the absolute safety of the personnel. The locking function of the impeller lock of the high-power wind turbine is mainly realized by enabling the locking pin of the impeller lock to enter the locking hole on the locking disc through hydraulic pressure, electromagnetic force or manual operation, and when the locking is not needed, the locking pin of the impeller lock is enabled to exit the locking hole on the locking disc. The locking disc is generally arranged on a connecting flange of a fan hub, and when a locking pin of an impeller lock enters a locking hole of the locking disc, how to accurately center the locking pin and the locking pin is important.
Chinese patent CN209293961U discloses an impeller locking apparatus self-aligning mechanism comprising: the impeller locking disc is provided with a circle of taper holes which are distributed at equal intervals; the bearing seat is provided with an impeller lock, and the impeller lock can be inserted into any taper hole of the impeller locking disc; the brake disc can hold the main shaft tightly when the impeller lock is inserted into the taper hole of the impeller locking disc, and a main shaft brake is arranged on one side of the brake disc; the code wheel is provided with a reference gear which is positioned at the same axle center with the impeller locking disk and synchronously rotates, and one side of the reference gear is provided with a speed measuring sensor for measuring the rotating speed of the impeller locking disk and a centering sensor for calculating the rotating angle of the reference gear. The utility model has simple structure and reasonable design, improves on the basis of the prior equipment, improves the convenience and reliability of automatic alignment of the impeller locking device, ensures the safety and smooth operation of unit maintenance, and needs to be additionally provided with a buffer device for improvement because the impeller and the impeller locking disc are likely to not completely stop and are easy to damage when the impeller lock is inserted into the taper hole of the impeller locking disc.
Disclosure of Invention
In view of the problems in the prior art, the utility model discloses an impeller lock centering device, which adopts the technical scheme that the impeller lock centering device comprises a connecting body and a second locking disc, wherein the connecting body is connected with the second locking disc, the impeller lock centering device further comprises a connecting shaft and a first locking disc, the connecting shaft is connected with the second locking disc, the first locking disc is coaxially connected with the connecting shaft, the impeller lock centering device further comprises a mounting block, a locking column is arranged on the mounting block, and a conical hole is arranged on the second locking disc.
As a preferable technical scheme of the utility model, a torsion spring is arranged at the joint of the first locking disc and the connecting shaft.
As a preferable technical scheme of the utility model, the mounting block is provided with a connecting plate, and the right side of the connecting plate is connected with an electric telescopic rod.
As a preferable technical scheme of the utility model, the right side of the electric telescopic rod is connected with a bearing seat, and the bearing seat is connected with a fixing frame.
As a preferable technical scheme of the utility model, a brake is arranged on the fixing frame, the right side of the mounting block is connected with a brake disc, the brake disc is connected with the brake, and the brake can clamp the brake disc to play a role of locking.
As a preferable technical scheme of the utility model, the first locking disc is provided with a hole, and one end of the hole is larger, so that the lock cylinder can be conveniently inserted.
As a preferable technical scheme of the utility model, the second locking disc is provided with the sliding groove, two ends of the sliding groove are connected with the rubber pads, the rubber pads can play a certain role in buffering and limiting, the rear side of the first locking disc is provided with the limiting block, the limiting block is connected with the sliding groove, and the sliding groove can play a certain role in limiting.
The utility model has the beneficial effects that: according to the utility model, the first locking disc, the second locking disc, the hole, the torsion spring and the rubber pad are arranged, the left side of the connecting body is connected with the impeller, when locking is carried out, the electric telescopic rod starts to extend, so that the mounting block and the locking column move leftwards, the locking column is inserted into the hole, the upper end of the hole is provided with the long arc-shaped opening, the locking column is convenient to enter, the resistance of the first locking disc to rotate can be increased due to the existence of the torsion spring, the limiting block slides in the sliding groove, the rubber pad can play a certain protection effect, the hole and the conical hole are large at one end and small at one end, allowance can be increased, the brake on the fixing frame is started, the brake disc can be clamped, further the connecting body at the left end is braked and locked, and the buffer device is additionally arranged, so that the impeller lock damage caused by the possibility that the impeller locking disc is not completely stopped is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a first locking plate structure according to the present utility model;
fig. 3 is a right-hand structural schematic diagram of the second locking disk of the present utility model.
In the figure: 1. a fixing frame; 2. a bearing seat; 3. a brake; 4. an electric telescopic rod; 5. a brake disc; 6. a mounting block; 7. a connecting plate; 8. locking a column; 9. a first locking plate; 10. a second locking plate; 11. a limiting block; 12. a connecting body; 13. a torsion spring; 14. a hole; 15. a tapered bore; 16. a chute; 17. a rubber pad; 18. and a connecting shaft.
Detailed Description
Example 1
As shown in fig. 1 to 3, the utility model discloses an impeller lock centering device, which adopts the technical scheme that the impeller lock centering device comprises a connecting body 12 and a second locking disc 10, wherein the left side of the connecting body 12 is connected with an impeller, the connecting body 12 is fixedly connected with the second locking disc 10, the impeller lock centering device further comprises a connecting shaft 18 and a first locking disc 9, the connecting shaft 18 is fixedly connected with the second locking disc 10, the first locking disc 9 is coaxially connected with the connecting shaft 18, the impeller lock centering device further comprises a mounting block 6, a locking column 8 is arranged on the mounting block 6, a conical hole 15 is formed in the second locking disc 10, and when the locking column 8 is inserted into the conical hole 15, the relative positions of rotation of the mounting block 6 and the second locking disc 10 can be synchronously limited.
The junction of first locking dish 9 with connecting axle 18 is equipped with torsional spring 13, be equipped with hole 14 on the first locking dish 9, when lock post 8 contacted the inside wall of hole 14, first locking dish 9 had not stopped rotating completely yet, and torsional spring 13 can provide the pivoted resistance, and installation piece 6 is driven and rotates. The installation block 6 is provided with a connecting plate 7, and the right side of the connecting plate 7 is connected with an electric telescopic rod 4, so that the installation block 6 can be moved leftwards by extending the electric telescopic rod. The right side of the electric telescopic rod 4 is connected with a bearing seat 2, the bearing seat 2 is connected with a fixing frame 1, the bearing seat 2 can facilitate the rotation of the electric telescopic rod 4, a brake 3 is arranged on the fixing frame 1, the right side of a mounting block 6 is connected with a brake disc 5, the brake disc 5 is connected with the brake 3, and the brake disc 5 can be clamped by starting the brake 3 to gradually stop rotating. The second locking disc 10 is provided with a chute 16, two ends of the chute 16 are connected with rubber pads 17, the rear side of the first locking disc 9 is provided with a limiting block 11, the limiting block 11 is connected with the chute 16, the limiting block 11 can slide in the chute 16, and the rubber pads 17 can play a role in buffering and limiting.
The working principle of the utility model is as follows: firstly, the impeller is connected in connector 12 left side, when locking, electric telescopic handle 4 starts the extension for installation piece 6, lock post 8 left side remove, lock post 8 inserts in hole 14, the hole 14 upper end is long arc opening, lock post 8 gets into of being convenient for, because the existence of torsional spring 13 can increase first locking dish 9 pivoted resistance, stopper 11 slides in spout 16, rubber pad 17 can play certain protective effect, hole 14 and bell mouth 15 are big one end little, can increase the margin, through the stopper 3 on the start-up mount 1, can press from both sides tight brake disc 5, and then carry out the braking locking to the connector 12 of left end.
The connection related to the utility model is a conventional means adopted by the person skilled in the art, and the technical teaching can be obtained through limited tests, which belongs to common general knowledge.
The components not described in detail herein are prior art.
Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.
Claims (7)
1. An impeller lock centering device which is characterized in that: including connector (12), second locking dish (10), connector (12) with second locking dish (10) are connected, still include connecting axle (18), first locking dish (9), connecting axle (18) with second locking dish (10) are connected, first locking dish (9) with connecting axle (18) coaxial coupling still includes installation piece (6), be equipped with lock post (8) on installation piece (6), be equipped with bell mouth (15) on second locking dish (10).
2. An impeller lock centering device as claimed in claim 1, wherein: the connecting part of the first locking disc (9) and the connecting shaft (18) is provided with a torsion spring (13).
3. An impeller lock centering device as claimed in claim 1, wherein: the installation block (6) is provided with a connecting plate (7), and the right side of the connecting plate (7) is connected with an electric telescopic rod (4).
4. A vane lock centering device as claimed in claim 3, wherein: the right side of the electric telescopic rod (4) is connected with a bearing seat (2), and the bearing seat (2) is connected with a fixing frame (1).
5. The impeller lock centering device of claim 4, wherein: the brake (3) is arranged on the fixing frame (1), the right side of the mounting block (6) is connected with the brake disc (5), and the brake disc (5) is connected with the brake (3).
6. An impeller lock centering device as claimed in claim 1, wherein: the first locking disc (9) is provided with a hole (14).
7. An impeller lock centering device as claimed in claim 1, wherein: the second locking disc (10) is provided with a sliding groove (16), two ends of the sliding groove (16) are connected with rubber pads (17), the rear side of the first locking disc (9) is provided with a limiting block (11), and the limiting block (11) is connected with the sliding groove (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321446092.7U CN220227090U (en) | 2023-06-08 | 2023-06-08 | Impeller lock centering device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321446092.7U CN220227090U (en) | 2023-06-08 | 2023-06-08 | Impeller lock centering device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220227090U true CN220227090U (en) | 2023-12-22 |
Family
ID=89193510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321446092.7U Active CN220227090U (en) | 2023-06-08 | 2023-06-08 | Impeller lock centering device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220227090U (en) |
-
2023
- 2023-06-08 CN CN202321446092.7U patent/CN220227090U/en active Active
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