CN203717748U - Locking device for wind generating set spindle - Google Patents
Locking device for wind generating set spindle Download PDFInfo
- Publication number
- CN203717748U CN203717748U CN201320874223.1U CN201320874223U CN203717748U CN 203717748 U CN203717748 U CN 203717748U CN 201320874223 U CN201320874223 U CN 201320874223U CN 203717748 U CN203717748 U CN 203717748U
- Authority
- CN
- China
- Prior art keywords
- lock pin
- screw axis
- main shaft
- handwheel
- spindle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y02E10/722—
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a locking device for a wind generating set spindle. The locking device for the wind generating set spindle is characterized by comprising a spindle, a spindle flange fixed on the spindle, a locking block fixed on the end surface of the spindle flange, an enclosure sleeving the spindle, a lock pin drum fixed on the enclosure, a lock pin drum end cover arranged at the end surface of the lock pin drum, a lock pin arranged in the lock pin drum, a lead screw shaft of which one end is in threaded connection with the lock pin, and a hand wheel fixedly connected onto the other end of the lead screw shaft; the locking block is provided with a lock pin hole same as the radial position of the lock pin relative to the axis of the spindle; a clamp ring slot is arranged at the circumferential surface, close to the hand wheel, of the lead screw shaft; the lock pin drum end cover sleeves a lead screw shaft clamp ring; the clamp ring slot on the lead screw shaft is sleeved by the lead screw shaft clamp ring. An axial guide slot extending along the axial direction is arranged at the circumferential surface of the lock pin, and a guide piece radially extending into the axial guide slot is fixed on the end surface of the lock pin drum.
Description
Technical field
The utility model relates to a kind of rotating shaft locking device, is specifically related to a kind of wind driven generation set main shaft locking device.
Background technique
The main shaft of wind power generating set is generally large-scale main shaft, and is connected with impeller windward, and the torsion of rotation is very large.When wind power generating set is maintained, need to make the main shaft of wind power generating set stop operating, just wind driven generation set main shaft must be locked.The device that existing locking has the main shaft of large torsion is generally the mechanism that electric drive lock pin is locked main shaft and hydraulically actuated lock pin locked main shaft, although this mechanism is easy to use, easily control, but it is very large to occupy space, be unfavorable for the structure optimization of wind power generating set, and increased manufacture cost.
Model utility content
For above problem, the purpose of this utility model is to provide a kind of wind driven generation set main shaft locking device, and it adopts tight short mechanical structure to carry out principal shaft locking, has reduced manufacture cost, and easy to operate.
For reaching above object, the utility model is achieved by the following technical solutions.
A kind of wind driven generation set main shaft locking device, it is characterized in that, comprise main shaft, be fixed on the spindle flange on main shaft, be fixed on the locking block on spindle flange end face, be sleeved on the casing outside main shaft, be fixed on the lock pin cylinder on casing, be arranged on the lock pin cylinder end cap of lock pin cylinder exterior edge face, be arranged on the lock pin in lock pin cylinder, one end to the screw axis being threaded, is fixedly connected on the handwheel of the screw axis the other end with lock pin;
Described locking block is provided with the lockpin hole coordinating with lock pin; Described screw axis is provided with annular groove near the circumferential surface of handwheel, in described lock pin cylinder end cap, is set with screw axis snap ring, and screw axis snap ring is enclosed within the annular groove on screw axis; The circumferential surface of described lock pin is provided with axially extended axial channel, on described lock pin cylinder interior edge face, is fixed with the guide card radially stretching in axial channel.
The feature of technique scheme and further improvement:
Described lock pin length is less than lock pin cylinder internal depth, is greater than the axial distribution length of screw thread on screw axis on described lock pin with the tapped hole degree of depth of screw axis screw-thread fit; The described lockpin hole degree of depth is less than the axial distribution length of screw thread on screw axis.
Between described lock pin cylinder end cap and lock pin cylinder, be fixed with bolt frame, bolt frame is provided with handwheel lock bolt; Described handwheel is provided with circumferential surface near the hand wheelboss flange of bolt frame, is provided with the handwheel bolt hole mating with handwheel lock bolt on the circumferential surface of hand wheelboss flange.
Of the present utility model because effect is, when manually shaking the handwheel that is fixed on casing connection wire rod axle, can in lock pin cylinder, move axially with the lock pin of screw axis screw-thread fit, lock pin just inserts in the lockpin hole on locking block after stretching out lock pin cylinder, main shaft is locked, main shaft can not be rotated.This apparatus for locking main shaft compact structure, can not take too large space, and cost is little, easy to operate.
Accompanying drawing explanation
Below by the drawings and specific embodiments, the utility model is further detailed:
Fig. 1 is the structural representation of wind driven generation set main shaft locking device of the present utility model;
Fig. 2 is the local structure for amplifying schematic diagram at position, screw axis place in Fig. 1;
Fig. 3 be in Fig. 1 lock pin and lockpin ventilating coordinate detailed structure schematic diagram.
In above figure: 1, main shaft; 2, spindle flange; 3, casing; 4, locking block; 5, lockpin hole; 6, lock pin cylinder; 7, lock pin; 8, screw axis; 9, bolt frame; 10, lock pin cylinder end cap; 11, hand wheelboss flange; 12, handwheel; 13, handwheel bolt hole; 14, handwheel lock bolt; 15, screw axis snap ring; 16, axial channel; 17, guide card.
Embodiment
With reference to figure 1 and Fig. 2, be a kind of wind driven generation set main shaft locking device of the present utility model, it comprises common main shaft (1), is sleeved on the outer casing (3) of main shaft (1), is fixed on the spindle flange (2) on main shaft (1).Specifically, on the end face of spindle flange (2), be fixed with locking block (4), on casing (3), be fixed with lock pin cylinder (6), on lock pin cylinder (6) exterior edge face, be provided with lock pin cylinder end cap (10), in lock pin cylinder (6), be provided with lock pin (7).Be threaded one end of screw axis (8) of lock pin (7), handwheel (12) is fixedly connected on the other end of screw axis (8).
Wherein, locking block (4) is provided with the lockpin hole (5) identical with respect to main shaft (1) shaft axis radial position with lock pin (7).Screw axis (8) is provided with annular groove near the circumferential surface of handwheel (12), is set with screw axis snap ring (15) in lock pin cylinder end cap (10), and screw axis snap ring (15) is enclosed within the annular groove on screw axis (8).
With reference to figure 3, the circumferential surface of lock pin (7) is provided with axially extended axial channel (16), is fixed with the guide card (17) radially stretching in axial channel (16) on lock pin cylinder (6) interior edge face.
In order to ensure wind driven generation set main shaft locking mechanism of the present utility model, can normally lock main shaft (1), must guarantee that lock pin (7) length is less than lock pin cylinder (6) internal depth; Lock pin (7) the tapped hole degree of depth upper and screw axis (8) screw-thread fit is greater than the axial distribution length of the upper screw thread of screw axis (8); Lockpin hole (5) degree of depth is less than the axial distribution length of the upper screw thread of screw axis (8).
By shaking handwheel (12) rotary screw rod axle (8), can drive lock pin (7) locking main shaft (1), for fear of accident, meanwhile, screw axis (8) also needs locking.In order to lock screw axis (8), the utility model is taked following measures: between lock pin cylinder end cap (10) and lock pin cylinder (6), be fixed with bolt frame (9), be provided with handwheel lock bolt (14) on bolt frame (9); On handwheel (12), be provided with circumferential surface near the hand wheelboss flange (11) of bolt frame (9), on the circumferential surface of hand wheelboss flange (11), be provided with the handwheel bolt hole (13) mating with handwheel lock bolt (14).Handwheel bolt hole (13) is preferably a plurality of, is evenly distributed on the circumferential surface of hand wheelboss flange (11), and the shaft axis of the shaft axis of each handwheel bolt hole (13) and handwheel lock bolt (14) is on same circumferential surface.Like this, by by the handwheel bolt hole (13) on the circumferential surface of handwheel lock bolt (14) screw-in hand wheelboss flange (11), just can, by screw axis (8) locking, guarantee the Security of wind driven generation set main shaft locking device of the present utility model.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also comprises these changes and modification interior.
Claims (3)
1. a wind driven generation set main shaft locking device, it is characterized in that, comprise main shaft (1), be fixed on the spindle flange (2) on main shaft (1), be fixed on the locking block (4) on spindle flange (2) end face, be sleeved on the outer casing (3) of main shaft (1), be fixed on the lock pin cylinder (6) on casing (3), be arranged on the lock pin cylinder end cap (10) of lock pin cylinder (6) exterior edge face, be arranged on the lock pin (7) in lock pin cylinder (6), the screw axis (8) that one end is connected with lock pin (7) axial screw thread, be fixedly connected on the handwheel (12) of screw axis (8) the other end,
Described locking block (4) is provided with the lockpin hole (5) coordinating with lock pin (7); Described screw axis (8) is provided with annular groove near the circumferential surface of handwheel (12), is set with screw axis snap ring (15) in described lock pin cylinder end cap (10), and screw axis snap ring (15) is enclosed within the annular groove on screw axis (8); The circumferential surface of described lock pin (7) is provided with axially extended axial channel (16), is fixed with the guide card (17) radially stretching in axial channel (16) on described lock pin cylinder (6) interior edge face.
2. a kind of wind driven generation set main shaft locking device as claimed in claim 1, it is characterized in that, described lock pin (7) length is less than lock pin cylinder (6) internal depth, and described lock pin (7) the tapped hole degree of depth upper and screw axis (8) screw-thread fit is greater than the axial distribution length of the upper screw thread of screw axis (8); Described lockpin hole (5) degree of depth is less than the axial distribution length of the upper screw thread of screw axis (8).
3. a kind of wind driven generation set main shaft locking device as claimed in claim 1, is characterized in that, between described lock pin cylinder end cap (10) and lock pin cylinder (6), is fixed with bolt frame (9), and bolt frame (9) is provided with handwheel lock bolt (14); Described handwheel (12) is provided with circumferential surface near the hand wheelboss flange (11) of bolt frame (9), is provided with the handwheel bolt hole (13) mating with handwheel lock bolt (14) on the circumferential surface of hand wheelboss flange (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874223.1U CN203717748U (en) | 2013-12-27 | 2013-12-27 | Locking device for wind generating set spindle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320874223.1U CN203717748U (en) | 2013-12-27 | 2013-12-27 | Locking device for wind generating set spindle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717748U true CN203717748U (en) | 2014-07-16 |
Family
ID=51156902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320874223.1U Expired - Fee Related CN203717748U (en) | 2013-12-27 | 2013-12-27 | Locking device for wind generating set spindle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717748U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948623A (en) * | 2015-07-09 | 2015-09-30 | 芜湖仅一机械有限公司 | Stopping device |
| CN104948622A (en) * | 2015-07-01 | 2015-09-30 | 王丽 | Stop motion mechanism for threaded rotating column |
| CN107617489A (en) * | 2017-09-28 | 2018-01-23 | 碎得机械(北京)有限公司 | A kind of disintegrating machine rotor axis mechanical locking device |
| CN109441737A (en) * | 2018-09-26 | 2019-03-08 | 山东中车风电有限公司 | A kind of blower wind wheel manual-lock and method |
| CN110608243A (en) * | 2019-09-17 | 2019-12-24 | 东莞市多维尚书家居有限公司 | Intelligent movement furniture platform manual-automatic clutch |
-
2013
- 2013-12-27 CN CN201320874223.1U patent/CN203717748U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948622A (en) * | 2015-07-01 | 2015-09-30 | 王丽 | Stop motion mechanism for threaded rotating column |
| CN104948623A (en) * | 2015-07-09 | 2015-09-30 | 芜湖仅一机械有限公司 | Stopping device |
| CN107617489A (en) * | 2017-09-28 | 2018-01-23 | 碎得机械(北京)有限公司 | A kind of disintegrating machine rotor axis mechanical locking device |
| CN107617489B (en) * | 2017-09-28 | 2023-12-15 | 碎得机械(北京)有限公司 | Crusher rotating shaft mechanical locking device |
| CN109441737A (en) * | 2018-09-26 | 2019-03-08 | 山东中车风电有限公司 | A kind of blower wind wheel manual-lock and method |
| CN110608243A (en) * | 2019-09-17 | 2019-12-24 | 东莞市多维尚书家居有限公司 | Intelligent movement furniture platform manual-automatic clutch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NEI MONGGOL GEOHO ENERGY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: MONGOLIA GEOHO ENERGY TECHNOLOGY CO.,LTD. Effective date: 20150331 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150331 Address after: 017000 the Inner Mongolia Autonomous Region Erdos City Dongsheng equipment manufacturing base Patentee after: INNER MONGOLIA GEOHO ENERGY EQUIPMENT CO., LTD. Address before: 017000 equipment manufacturing base of Erdos City, the Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Geoho Energy Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20201227 |