CN214118392U - Rotating speed detection safety housing of wind driven generator transmission system - Google Patents

Rotating speed detection safety housing of wind driven generator transmission system Download PDF

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Publication number
CN214118392U
CN214118392U CN202023299543.8U CN202023299543U CN214118392U CN 214118392 U CN214118392 U CN 214118392U CN 202023299543 U CN202023299543 U CN 202023299543U CN 214118392 U CN214118392 U CN 214118392U
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Prior art keywords
gear
rack
casing
seat
groove
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CN202023299543.8U
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Chinese (zh)
Inventor
姜伟涛
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Suzhou Alian Jingte Aviation Technology Co ltd
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Zhangjiagang Aite Machinery Manufacturing Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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Abstract

The utility model discloses a aerogenerator transmission system's rotational speed detects safety housing, include: the casing is provided with a rotating shaft in the casing, a speed measuring lug is arranged on the rotating shaft, an inductive switch is arranged on the wall of the casing, a first gear is connected to the rotating shaft in a key mode, a fixing frame is arranged in the casing, a second driving mechanism is arranged on the fixing frame, a gear buckle is connected to the second driving mechanism, the gear buckle is aligned with the first gear, and the gear buckle is arranged on the fixing frame in a sliding mode. A speed reduction mechanism is provided on the housing. The utility model has the advantages that: can stabilize and slow reduction work to the main shaft through reduction gears earlier, then realize the pivot stall through gear buckle and first gear joint back.

Description

Rotating speed detection safety housing of wind driven generator transmission system
Technical Field
The utility model relates to a aerogenerator especially relates to aerogenerator transmission system's rotational speed detection safety housing.
Background
The transmission system of the wind driven generator comprises: main shaft, gearbox and generator. In the running process of the wind driven generator, the rotating speed of a main shaft in a transmission system can be increased along with the increase of wind speed, and when the wind speed is too high, the rotating speed of the main shaft is too high, so that the generator can generate too much electric quantity, the temperature of a coil is increased, and the generator is burnt, or the lower-level equipment is damaged due to too much current. In order to avoid such situations, the generator needs to be protected when the wind is high, and the current protection modes include yaw protection, unloading protection, short-circuit brake and the like. However, in the above scheme, the spindle rotates at a high speed to make an emergency stop, which easily damages the zhu transmission system, or the brake device is not stable enough, or the manufacturing cost is high, and the popularization is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can carry out the main shaft to among the aerogenerator main drive system under the strong wind environment and steadily slow down to the aerogenerator transmission system's that stops rotational speed detection safety housing.
In order to achieve the above object, the utility model adopts the following technical scheme: the rotational speed of aerogenerator transmission system detects safety housing includes: the casing is provided with the pivot that links to each other with fan main shaft and gearbox in the casing, be provided with the lug that tests the speed in the pivot, be provided with the inductive switch that can respond to the lug that tests the speed on the conch wall of casing, key connection has first gear in the pivot, be provided with the mount in the casing, be provided with second actuating mechanism on the mount, be connected with the gear buckle on second actuating mechanism, the gear buckle is aligned with first gear, the gear buckle slides and sets up on the mount, be provided with the reduction gears that can let the pivot slow down on the casing that lies in the pivot below, reduction gears includes: the mounting structure comprises a mounting seat arranged in a shell, wherein a mounting groove is formed in the mounting seat, a second gear capable of rotating in the mounting groove is fixedly arranged in the mounting groove, a first fixing seat and a second fixing seat capable of moving back and forth in the mounting groove are arranged in the mounting groove in a sliding mode, a first brake disc and a second brake disc are respectively arranged on the first fixing seat and the second fixing seat, the first brake disc and the second brake disc are respectively located on the front side and the rear side of a rotating shaft, a first rack is fixedly arranged on the right side wall of the first fixing seat, a second rack is fixedly arranged on the left side wall of the second fixing seat, the first rack and the second rack are respectively located on the left side and the right side of the second gear and meshed with the second gear, and a first driving mechanism connected with the first fixing seat is arranged on the mounting seat.
Further, aforementioned aerogenerator transmission system's rotational speed detects safety housing, wherein, first rack and second rack respectively with first fixing base and the second fixing base between connection structure be: the first rack is connected with the right side wall of the first fixed seat through a bolt, a through groove is formed in the right side wall of the second fixed seat, and the first rack extends into the through groove of the second fixed seat and can slide in the through groove; the second rack passes through the bolt and links to each other with the left side wall of second fixing base, is provided with logical groove on the left side wall of first fixing base, and the second rack stretches into the logical groove of first fixing base and can slide in leading to the groove.
Further, the rotating speed detection safety housing of the wind driven generator transmission system, wherein the connecting structure between the second gear and the mounting seat is as follows: the second gear is a gear with a shaft, a first bearing hole is formed in the bottom of the mounting groove, a gear bearing seat is arranged at the top of the mounting groove, a second bearing hole is formed in the gear bearing seat, the first bearing hole is aligned with the second bearing hole, a bearing is arranged in each of the first bearing hole and the second bearing hole, and a rotating shaft in the gear with the shaft is connected with the bearing in the first bearing hole and the bearing in the second bearing hole.
Further, the rotating speed detection safety housing of the wind driven generator transmission system is characterized in that the first driving mechanism is a first hydraulic oil cylinder, and the first hydraulic oil cylinder is electrically connected with the inductive switch through a first relay.
Further, the rotating speed detection safety housing of the transmission system of the wind driven generator is characterized in that the second driving mechanism is a second hydraulic cylinder, and the second hydraulic cylinder is electrically connected with the inductive switch through a second relay.
Further, the rotating speed detection safety housing of the wind driven generator transmission system is characterized in that the left end of the rotating shaft is connected with the main shaft through a coupler.
Furthermore, the rotating speed detection safety housing of the wind driven generator transmission system is characterized in that the speed measurement bump is connected with the rotating shaft through a bolt.
The utility model has the advantages that: can stabilize and slow reduction work to the main shaft through the friction between first brake disc, second brake disc and the pivot under the strong wind environment, when the main shaft slows down to low rotational speed, can also realize the pivot stall after carrying out the joint through gear buckle and the epaxial first gear of commentaries on classics to protect aerogenerator's main drive system.
Drawings
Fig. 1 is a schematic structural diagram of a rotating speed detection safety housing of a transmission system of a wind driven generator according to the present invention.
Fig. 2 is a schematic sectional view in the direction of a-a in fig. 1.
Fig. 3 is a schematic structural diagram of the first fixing seat and the second fixing seat after the mounting seat is removed from the rotating speed detection safety housing of the transmission system of the wind driven generator.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a wind driven generator transmission system's rotational speed detection safety housing, include: a housing 1, a rotating shaft 2 connected with a fan main shaft 11 and a gear box is arranged in the housing 1, the left end of the rotating shaft 2 is connected with the fan main shaft 11 through a coupling 21, the right end of the rotating shaft 2 extends out of the housing 1 and then is connected with the gear box, a speed measuring lug 21 is arranged on the rotating shaft 2, the speed measuring lug 21 is connected with the rotating shaft 2 through a bolt, an inductive switch 12 capable of inducing the speed measuring lug 21 is arranged on the shell wall of the housing 1, a speed reducing mechanism capable of slowly reducing the speed of the rotating shaft 2 is arranged on the housing 1 positioned below the rotating shaft 2, a first gear 23 is connected on the rotating shaft 2 in a key way, a fixing frame 13 is arranged in the housing 1, a second driving mechanism is arranged on the fixing frame 13, the second driving mechanism is a second hydraulic cylinder 3, the second hydraulic cylinder 3 is electrically connected with the inductive switch 12 through a second relay 31, a gear buckle 32 aligned with the first gear 23 is connected on, the gear buckle 32 is arranged on the fixed frame 3 in a sliding mode, and the second hydraulic oil cylinder 3 drives the gear buckle 32 to be close to or far away from the first gear 23.
In this embodiment, the speed reducing mechanism includes: the mounting seat 4 arranged in the housing 1 is provided with a mounting groove 41 on the mounting seat 4, a second gear capable of rotating in the mounting groove 41 is fixedly arranged in the mounting groove 41, and the connecting structure between the second gear and the mounting seat 4 is as follows: the second gear is a gear with a shaft 5, a first bearing hole 42 is arranged at the bottom of the mounting groove 41, a gear bearing seat 43 is arranged at the top of the mounting groove 41, a second bearing hole 44 is arranged on the gear bearing seat 43, the first bearing hole 42 is aligned with the second bearing hole 44, a bearing is respectively arranged in the first bearing hole 42 and the second bearing hole 44, and the rotating shaft in the gear with a shaft 5 is respectively connected with the bearing in the first bearing hole 42 and the bearing in the second bearing hole 44. A first fixing seat 6 and a second fixing seat 7 which can move back and forth in the mounting groove 41 are arranged in the mounting groove 41 in a sliding manner, a first brake disc 61 and a second brake disc 71 are respectively arranged on the first fixing seat 6 and the second fixing seat 7, the second brake disc 71 and the first brake disc 61 are respectively positioned at the front side and the rear side of the rotating shaft 2, a first rack 62 is fixedly arranged on the right side wall of the first fixing seat 6 through bolts, a through groove 72 is arranged on the right side wall of the second fixing seat 7, and the first rack 62 extends into the through groove 72 of the second fixing seat 7 and can slide in the through groove 72; a second rack 73 is fixedly arranged on the left side wall of the second fixing seat 7 through a bolt, a through groove is formed in the left side wall of the first fixing seat 7, and the second rack 73 extends into the through groove of the first fixing seat 7 and can slide in the through groove. The first rack 62 and the second rack 73 are respectively positioned at the left side and the right side of the belt shaft gear 5 and are meshed with the belt shaft gear 5, the belt shaft gear 5 rotates to drive the first rack 62 and the second rack 73 to move oppositely or reversely at the same time, so that the first brake disc 61 on the first fixing seat 6 and the second brake disc 71 on the second fixing seat 7 move oppositely or reversely, the mounting seat 4 is provided with a first driving mechanism connected with the first fixing seat 6, the first driving mechanism is a first hydraulic oil cylinder 8, and the first hydraulic oil cylinder 8 is electrically connected with the induction switch 12 through a first relay 81.
The working principle of the utility model is as follows: when the spindle 11 drives the rotating shaft 2 to rotate, when the sensing switch 12 senses the speed measuring bump 22, the sensing switch 12 displays a high level, when the sensing switch 12 senses the rotating shaft 2, the sensing switch 12 displays a low level, the sensing switch 12 converts the sensed rotating speed into a pulse, and then the pulse is continuously output to monitor the rotating speed of the rotating shaft 2, so that the rotating speed of the spindle 11 is monitored. When the inductive switch 12 monitors that the rotating speed is too high, the first relay 81 controls the first hydraulic oil cylinder 8 to drive the first fixed seat 6 to slowly move forward, when the first fixed seat 6 moves forward, the first rack 62 drives the belt shaft gear 5 to rotate, the belt shaft gear 5 drives the second rack 73 and the second fixed seat 7 to slowly move backward, the first brake disc 61 on the first fixed seat 6 and the second brake disc 71 on the second fixed seat 7 move oppositely to clamp the rotating shaft 2, the rotating shaft 2 slowly decelerates after rubbing with the first brake disc 61 and the second brake disc 71, when the rotating speed of the rotating shaft 2 is reduced, the inductive switch 12 controls the second hydraulic cylinder 3 to drive the gear buckle 32 to move towards the first gear 23 through the second relay 31, when the gear catch 32 is snapped into the tooth groove of the first gear 23, the first gear 23 cannot rotate, so that the spindle 11 and the reducer are stopped by the rotating shaft 2.
The utility model has the advantages that: can stabilize and slow reduction work to the main shaft through the friction between first brake disc, second brake disc and the pivot under the strong wind environment, when the main shaft slows down to low rotational speed, can also realize the pivot stall after carrying out the joint through gear buckle and the epaxial first gear of commentaries on classics to protect aerogenerator's main drive system.

Claims (7)

1. The rotational speed of aerogenerator transmission system detects safety housing includes: the casing, its characterized in that: be provided with the pivot that links to each other with fan main shaft and gearbox in the casing, be provided with the lug that tests the speed in the pivot, be provided with the inductive switch that can respond to the lug that tests the speed on the conch wall of casing, key connection has first gear in the pivot, be provided with the mount in the casing, be provided with second actuating mechanism on the mount, be connected with the gear buckle on second actuating mechanism, the gear buckle is aligned with first gear, the gear buckle slides and sets up on the mount, be provided with the reduction gears that can let the pivot slow down on the casing that lies in the pivot below, reduction gears includes: the mounting structure comprises a mounting seat arranged in a shell, wherein a mounting groove is formed in the mounting seat, a second gear capable of rotating in the mounting groove is fixedly arranged in the mounting groove, a first fixing seat and a second fixing seat capable of moving back and forth in the mounting groove are arranged in the mounting groove in a sliding mode, a first brake disc and a second brake disc are respectively arranged on the first fixing seat and the second fixing seat, the first brake disc and the second brake disc are respectively located on the front side and the rear side of a rotating shaft, a first rack is fixedly arranged on the right side wall of the first fixing seat, a second rack is fixedly arranged on the left side wall of the second fixing seat, the first rack and the second rack are respectively located on the left side and the right side of the second gear and meshed with the second gear, and a first driving mechanism connected with the first fixing seat is arranged on the mounting seat.
2. A speed detection safety enclosure for a drive train of a wind turbine according to claim 1, wherein: first rack and second rack respectively with first fixing base and the second fixing base between connection structure do: the first rack is connected with the right side wall of the first fixed seat through a bolt, a through groove is formed in the right side wall of the second fixed seat, and the first rack extends into the through groove of the second fixed seat and can slide in the through groove; the second rack passes through the bolt and links to each other with the left side wall of second fixing base, is provided with logical groove on the left side wall of first fixing base, and the second rack stretches into the logical groove of first fixing base and can slide in leading to the groove.
3. A speed detection safety enclosure for a drive train of a wind turbine according to claim 1, wherein: the connection structure between second gear and the mount pad does: the second gear is a gear with a shaft, a first bearing hole is formed in the bottom of the mounting groove, a gear bearing seat is arranged at the top of the mounting groove, a second bearing hole is formed in the gear bearing seat, the first bearing hole is aligned with the second bearing hole, a bearing is arranged in each of the first bearing hole and the second bearing hole, and a rotating shaft in the gear with the shaft is connected with the bearing in the first bearing hole and the bearing in the second bearing hole.
4. A speed detection safety casing for a drive train of a wind turbine according to claim 1, 2 or 3, characterized in that: the first driving mechanism is a first hydraulic oil cylinder, and the first hydraulic oil cylinder is electrically connected with the inductive switch through a first relay.
5. A speed detection safety casing for a drive train of a wind turbine according to claim 1, 2 or 3, characterized in that: the second driving mechanism is a second hydraulic oil cylinder, and the second hydraulic oil cylinder is electrically connected with the inductive switch through a second relay.
6. A speed detection safety casing for a drive train of a wind turbine according to claim 1, 2 or 3, characterized in that: the left end of the rotating shaft is connected with the main shaft through a coupler.
7. A speed detection safety casing for a drive train of a wind turbine according to claim 1, 2 or 3, characterized in that: the speed measuring lug is connected with the rotating shaft through a bolt.
CN202023299543.8U 2020-12-30 2020-12-30 Rotating speed detection safety housing of wind driven generator transmission system Active CN214118392U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023299543.8U CN214118392U (en) 2020-12-30 2020-12-30 Rotating speed detection safety housing of wind driven generator transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023299543.8U CN214118392U (en) 2020-12-30 2020-12-30 Rotating speed detection safety housing of wind driven generator transmission system

Publications (1)

Publication Number Publication Date
CN214118392U true CN214118392U (en) 2021-09-03

Family

ID=77486476

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023299543.8U Active CN214118392U (en) 2020-12-30 2020-12-30 Rotating speed detection safety housing of wind driven generator transmission system

Country Status (1)

Country Link
CN (1) CN214118392U (en)

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 215621 Zhangjiagang Aite Machinery Manufacturing Co., Ltd., east of wuganhe bridge, Zhaofeng Lefeng Road, Leyu Town, Suzhou City, Jiangsu Province

Patentee after: Suzhou Alian Jingte Aviation Technology Co.,Ltd.

Address before: 215621 Zhangjiagang Aite Machinery Manufacturing Co., Ltd., east of wuganhe bridge, Zhaofeng Lefeng Road, Leyu Town, Suzhou City, Jiangsu Province

Patentee before: Zhangjiagang Aite Machinery Manufacturing Co.,Ltd.

CP01 Change in the name or title of a patent holder