CN211474342U

CN211474342U - Wind wheel locking device of wind generating set

Info

Publication number: CN211474342U
Application number: CN201922418886.2U
Authority: CN
Inventors: 庄岳兴
Original assignee: Beijing Xinye New Energy Technology Co ltd
Current assignee: Beijing Xinye New Energy Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-11
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a wind generating set wind wheel locking device, including locking dish, two connecting plates that are located locking dish both sides, locating shaft and two locking device that are located on the connecting plate, outside the locking dish is located wind wheel hub, be equipped with a plurality of locking holes in the locking dish periphery, the connecting plate from top to bottom is equipped with shaft hole, well shaft hole and lower shaft hole in proper order, goes up the shaft hole and is equipped with short locating shaft down on the shaft hole respectively, installs long locating shaft in the shaft hole, and long locating shaft is connected with locking device. The utility model discloses a device can ensure that wind generating set blade obtains timely maintenance, has ensured wind generating set safe and reliable operation, has guaranteed wind generating set normal electricity generation, and the installation is simple, can the direct mount improve to current wind generating set wind wheel.

Description

Wind wheel locking device of wind generating set

Technical Field

The utility model relates to a locking device especially relates to a wind generating set wind wheel locking device.

Background

In the process of maintaining and repairing or inspecting the blades of the wind generating set, the blades need to be rotated to a position vertical to the ground and locked by a mechanical lock, but for various reasons, when some blades of the wind generating set are rotated to the vertical position, the wind wheel lock originally matched with the wind generating set cannot accurately lock the wind wheel, and under the condition, if the wind wheel blades are maintained and repaired or inspected, great potential safety hazards exist, and the safety of personnel and equipment cannot be guaranteed. Therefore, the locking device is required to be designed, which is convenient to operate and simple to mount and dismount, and is better applied to the wind power plant.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a wind generating set wind wheel locking device, the utility model discloses a device can ensure that the wind generating set blade obtains timely maintenance, has ensured wind generating set safe and reliable operation, has guaranteed wind generating set normal electricity generation, and the installation is simple, but to current wind generating set wind wheel direct mount improve.

In order to realize the above-mentioned purpose, the utility model discloses a wind generating set wind wheel locking device, including the locking dish, two connecting plates that are located locking dish both sides, be located location axle and two locking device on the connecting plate, the locking dish is located outside wind wheel hub, be equipped with a plurality of locking holes in the locking dish periphery, two connecting plates are located the both sides position department of locking dish, the connecting plate from top to bottom is equipped with the shaft hole in proper order, well shaft hole and lower shaft hole, it is fixed with the connecting plate with the locking dish to go up the short location axle that is equipped with respectively on shaft hole and the lower shaft hole, install long location axle in the shaft hole, long location axle the inner is fixed on locking dish and connecting plate, the outer.

Furthermore, the locking device comprises a clamping piece, a supporting bent plate, a cushion block and a fixer, wherein the clamping piece supports the outer end of the long positioning shaft, the supporting bent plate is welded or integrally formed with the clamping piece, the supporting bent plate is located at the top end of the fixer, and the cushion block is located at the bottom of the fixer.

Further, the fixer is a self-locking hydraulic jack.

Furthermore, an inner cylinder head set screw is arranged on the clamping piece.

Furthermore, the short positioning shaft is fixed in the upper shaft hole or the lower shaft hole through a nut, and the long positioning shaft is fixed in the middle shaft hole through a nut.

Through the technical scheme, the beneficial effects of the utility model are that:

(1) the locking device of the utility model can be directly improved and installed aiming at the wind wheel in the prior art, and the blades of the wind generating set can be maintained and repaired in time;

(2) additionally, the utility model discloses install long location axle on two connecting plates of locking device, it is fixed with the outer end that two long location axles hung through the fastener, then prevent its falling height with the help of the fixer with the fastener jack-up, and then can prevent that wind wheel hub from rotating to at the braking in-process that prevents wind wheel pivoted, the connecting plate bears great wearing and tearing, and the connecting plate is changed conveniently, has reduced the effort that the locking dish bore, has increased the life of changing comparatively difficult locking dish.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of the wind wheel locking device of the wind generating set of the present invention.

Fig. 2 is a partial structural schematic diagram of the wind wheel locking device of the wind generating set of the present invention.

Fig. 3 is a schematic structural view of the connecting plate of the wind wheel locking device of the wind generating set of the present invention.

Fig. 4 is a partial structural schematic diagram of the wind wheel locking device of the wind generating set of the present invention.

Description of the reference numerals

1, locking a disc;

11 locking holes;

2, connecting a plate;

21, an upper shaft hole;

22 a centre shaft hole;

23 lower shaft hole;

24 short positioning shafts;

25 long positioning shafts;

26 a nut;

3, a locking device;

31 a clip member;

32 supporting the bent plate;

34 cushion blocks;

35 a holder;

36 inner cylindrical head set screws;

4 wind wheel hub.

Detailed Description

The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

As shown in figure 1, which is a schematic structural diagram of a wind wheel locking device of a wind generating set of the present invention, the wind wheel locking device of the present invention comprises a locking disc 1, two connecting plates 2, a positioning shaft and two locking devices 3, wherein the locking disc 1 is disposed on a wind wheel hub 4, please continue to refer to figure 2, the connecting plates 2 are disposed on the periphery of the locking disc 1, in this embodiment, two connecting plates 2 are disposed, the two connecting plates 2 are disposed at two sides of the locking disc 1, the positioning shaft is disposed on the connecting plates 2, the locking disc 1 is disposed outside the wind wheel hub 4, a plurality of locking holes 11 are disposed on the periphery of the locking disc 1, as shown in figure 3, the connecting plates 2 are sequentially provided with an upper shaft hole 21, a middle shaft hole 22 and a lower shaft hole 23 from top to bottom, the upper shaft hole 21 and the lower shaft hole 23 are respectively provided with a short positioning shaft 24, the short positioning shaft 24 fixes the connecting plates, the inner end of the long positioning shaft 25 is fixed on the locking disc 1 and the connecting plate 2, and the outer end is connected with the locking device 3 in a hanging manner. Wherein, the short positioning shaft 24 is fixed in the upper shaft hole 21 or the lower shaft hole 23 through a nut 26, the inner end of the long positioning shaft 25 is fixed in the middle shaft hole 22 through the nut 26, and the long positioning shaft 25 is connected with the locking device 3.

With continued reference to fig. 1-4, the locking device 3 is provided with a clip 31, a support bent plate 32, a spacer 34 and a retainer 35, the retainer 35 can be a self-locking hydraulic jack, the retainer 35 is installed on the same plane as the bearing seat of the wind wheel hub 4, the clip 31 is installed at the outer end of the long positioning shaft 25, the clip 31 supports the outer end of the long positioning shaft 25, the support bent plate 32 is located below the clip 31 and welded or integrally formed with the clip 31, the support bent plate 32 is located at the top end of the retainer 35, and the spacer 34 is located below the retainer 35 for adjusting the height of the retainer 35.

In addition, as shown in fig. 4, an inner cylinder head set screw 36 is arranged on the clamping piece 31, the tightness of the clamping piece 31 can be adjusted, after the adjusted clamping piece 31 is clamped at the outer end of the long positioning shaft 25, the outer ends of the two long positioning shafts 25 can be respectively placed in the clamping piece 31 due to the fact that the long positioning shafts 25 with the outer ends hung on the connecting plates 2 on the two sides of the locking disc 1 are arranged, the supporting bent plate 32 connected to the bottom of the clamping piece 31 is directly placed at the top of the fixer 35, the hydraulic height of the fixer 35 is adjusted until the clamping piece 31 respectively clamps and fits the outer ends of the two long positioning shafts 25, at the moment, the long positioning shafts 25 cannot move up and down in the clamping piece 31, and the wind wheel hub 4 can be locked, and the wind wheel hub 4 is prevented from continuously rotating to.

(1) the locking device 3 of the utility model can be directly improved and installed aiming at the wind wheel in the prior art, and the blades of the wind generating set can be maintained and repaired in time;

(2) additionally, the utility model discloses install long location axle 25 on two connecting plates 2 of locking device, the outer end that hangs two long location axles 25 through fastener 31 is fixed, then prevent its descending height with the help of fixer 35 with fastener 31 jack-up, and then can prevent wind wheel hub 4 from rotating, and in preventing wind wheel pivoted braking process, connecting plate 2 bears great wearing and tearing, and connecting plate 2 changes the convenience, the effort that locking dish 1 bore has been reduced, the life of changing comparatively difficult locking dish 1 has been increased.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Claims

1. The wind turbine locking device of the wind turbine generator system is characterized by comprising a locking disc (1), two connecting plates (2) located on two sides of the locking disc (1), a positioning shaft and two locking devices (3) located on the connecting plates (2), wherein the locking disc (1) is located outside a wind turbine hub (4), a plurality of locking holes (11) are formed in the periphery of the locking disc (1), the two connecting plates (2) are located at two sides of the locking disc (1), the connecting plates (2) are sequentially provided with an upper shaft hole (21), a middle shaft hole (22) and a lower shaft hole (23) from top to bottom, the connecting plates (2) are fixed with the locking disc (1) through short positioning shafts (24) respectively arranged on the upper shaft hole (21) and the lower shaft hole (23), long positioning shafts (25) are installed in the middle shaft hole (22), the inner ends of the long positioning shafts (25) are fixed on the locking disc (1) and the connecting plates (2), the outer end is suspended and connected with the locking device (3).

2. The wind turbine generator system wind wheel locking device according to claim 1, characterized in that the locking device (3) comprises a clip (31), a support bent plate (32), a retainer (35) and a spacer (34), the clip (31) supports the outer end of the long positioning shaft (25) suspension, the support bent plate (32) is welded or integrated with the clip (31), the support bent plate (32) is located at the top end of the retainer (35), and the spacer (34) is located at the bottom of the retainer (35).

3. Wind turbine generator system rotor locking device according to claim 2, characterised in that said retainers (35) are self-locking hydraulic jacks.

4. The wind turbine locking device of claim 2, characterized in that the clip (31) is provided with an internal cylindrical head set screw (36).

5. The wind turbine locking device of claim 1, wherein the short positioning shaft (24) is fixed in the upper shaft hole (21) or the lower shaft hole (23) through a nut (26), and the long positioning shaft (25) is fixed in the middle shaft hole (22) through a nut (26).