CN220705836U - Blade locking device of wind generating set - Google Patents

Blade locking device of wind generating set Download PDF

Info

Publication number
CN220705836U
CN220705836U CN202322108959.4U CN202322108959U CN220705836U CN 220705836 U CN220705836 U CN 220705836U CN 202322108959 U CN202322108959 U CN 202322108959U CN 220705836 U CN220705836 U CN 220705836U
Authority
CN
China
Prior art keywords
mounting plate
locking
generating set
locking block
hub
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.)
Active
Application number
CN202322108959.4U
Other languages
Chinese (zh)
Inventor
耿银鼎
孙程飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Power Investment Henan New Energy Co ltd
Original Assignee
State Power Investment Henan New Energy Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Power Investment Henan New Energy Co ltd filed Critical State Power Investment Henan New Energy Co ltd
Priority to CN202322108959.4U priority Critical patent/CN220705836U/en
Application granted granted Critical
Publication of CN220705836U publication Critical patent/CN220705836U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Wind Motors (AREA)

Abstract

The utility model belongs to the technical field of blade locking equipment, and particularly relates to a blade locking device of a wind generating set, which comprises a hub, wherein a mounting plate is arranged on the hub; the hub is provided with a variable pitch bearing, and the variable pitch bearing is provided with an annular gear; the mounting plate is connected with a locking block in a sliding manner, and a plurality of locking teeth matched with the annular gear are uniformly distributed on the periphery of the locking block; the screw rod is rotationally connected to the mounting plate, a threaded cylinder is screwed on the screw rod, and the threaded cylinder is fixedly connected with the locking block; the locking block is detachably connected with a pressing plate matched with the annular gear; the utility model provides a wind power generator set blade locking device capable of locking a wind power blade when the blade is hoisted, maintained and replaced.

Description

Blade locking device of wind generating set
Technical Field
The utility model belongs to the technical field of blade locking equipment, and particularly relates to a blade locking device of a wind generating set.
Background
Along with the increasing approaching of traditional fossil energy consumption schedules such as coal, petroleum, natural gas and the like, the development and the utilization of wind energy are more and more paid attention to, and the wind energy has become one of the most commercial popularization prospect projects in the energy field, and is rapidly developed at home and abroad at present. The wind generating set blade is a core component for converting natural wind energy into electric energy of the wind generating set, and is also a main basis for measuring the design and technical level of the wind generating set.
When lifting blades or maintaining and replacing a fault pitch motor or a pitch gearbox in a wind wheel, the wind power blades are required to be locked so as to avoid rotation, the stability of a lifting system is damaged, serious accidents of overturning of lifting machinery due to instability are caused, and the safety of operators is influenced.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the wind power generator blade locking device capable of locking the wind power blade when the blade is hoisted, maintained and replaced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a wind generating set blade locking device comprises a hub, wherein a mounting plate is arranged on the hub; the hub is provided with a variable pitch bearing, and the variable pitch bearing is provided with an annular gear; the mounting plate is connected with a locking block in a sliding manner, and a plurality of locking teeth matched with the annular gear are uniformly distributed on the periphery of the locking block; the screw rod is rotationally connected to the mounting plate, a threaded cylinder is screwed on the screw rod, and the threaded cylinder is fixedly connected with the locking block; the locking block is detachably connected with a pressing plate matched with the annular gear.
Further, a plurality of mounting holes are formed in the mounting plate.
Further, the mounting plate is also provided with reinforcing ribs, and the reinforcing ribs are arranged along the circumferential direction of the mounting plate.
Further, a pair of guide cylinders are fixedly connected to the mounting plate, a pair of slide bars fixedly connected with the locking blocks are connected to the guide cylinders in a sliding mode, and limiting blocks matched with the guide cylinders are arranged on the slide bars.
Further, a hexagonal prism-shaped rotating head is fixedly connected to the screw rod.
Further, a pair of fastening bolts penetrate through the pressing plate, and a pair of threaded holes matched with the fastening bolts are formed in the locking block.
Compared with the prior art, the utility model has the beneficial effects that:
when the utility model is used, the locking tooth is meshed with or separated from the inner gear ring by mounting the locking tooth on the hub through the mounting plate and sliding the locking block on the mounting plate, so that the locking tooth can be used according to the demands of operators; when the blade is required to be hoisted, or a fault pitch motor or a pitch gearbox in the wind wheel is maintained and replaced, the locking block slides along the mounting plate, the locking teeth are meshed with the annular gear, the blade is locked, and the stability of the device is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of the fit state of the ring gear, the locking block, the locking teeth, etc. according to the present utility model;
in the figure: 1. the inner gear ring comprises an inner gear ring body, 2, a mounting plate, 3, a mounting hole, 4, a rotating head, 5, a screw rod, 6, a limiting block, 7, a reinforcing rib, 8, a sliding rod, 9, a guide cylinder, 10, a thread cylinder, 11, a pressing plate, 12, a locking block, 13, locking teeth, 14 and a fastening bolt.
Detailed Description
The blade locking device of the wind generating set, as shown in figures 1 and 2, comprises a hub, wherein a mounting plate 2 is arranged on the hub; the hub is provided with a variable pitch bearing, and the variable pitch bearing is provided with an annular gear 1; the mounting plate 2 is connected with a locking block 12 in a sliding manner, and a plurality of locking teeth 13 matched with the annular gear 1 are uniformly distributed on the periphery of the locking block 12; the screw rod 5 is rotationally connected to the mounting plate 2, the screw rod 5 is screwed with the threaded cylinder 10, and the threaded cylinder 10 is fixedly connected with the locking block 12; the locking block 12 is detachably connected with a pressing plate 11 matched with the annular gear 1.
When the utility model is used, the utility model is arranged on the hub through the mounting plate 2, and the locking teeth 13 are engaged with or separated from the inner gear ring 1 through the locking blocks 12 sliding on the mounting plate 2, so that the utility model can be used according to the demands of operators; when the blades are required to be hoisted or a fault pitch motor or a pitch gearbox in the wind wheel is required to be maintained and replaced, the locking blocks 12 slide along the mounting plate 2, the locking teeth 13 are meshed with the annular gear 1, the blades are locked, and the stability of the application is improved; the pressing plate 11 presses the ring gear 1, so that the stability of the locking device can be effectively improved.
Further, a plurality of mounting holes 3 are formed in the mounting plate 2, and the mounting plate 2 is mounted on the hub through the mounting holes 3.
Further, the mounting plate 2 is further provided with the reinforcing ribs 7, the reinforcing ribs 7 are arranged along the circumferential direction of the mounting plate 2, and the stability of the mounting plate 2 can be effectively improved through the arrangement of the reinforcing ribs 7.
Further, a pair of guide cylinders 9 are fixedly connected to the mounting plate 2, slide rods 8 fixedly connected with locking blocks 12 are slidably connected to the pair of guide cylinders 9, and limiting blocks 6 matched with the guide cylinders 9 are arranged on the slide rods 8; the guide cylinder 9 is matched with the slide rod 8 to guide the locking block 12 so as to improve the stability of the locking block 12; in addition, the sliding rod 8 and the guide cylinder 9 can be effectively prevented from being separated through the limiting block 6.
Further, a hexagonal prism-shaped rotating head 4 is fixedly connected to the screw rod 5, and the screw rod 5 is driven to rotate through the rotating head 4.
Further, the pressing plate 11 is provided with a pair of fastening bolts 14 in a penetrating way, and the locking block 12 is provided with a pair of threaded holes matched with the fastening bolts 14; the detachable connection of the pressure plate 11 is achieved by the cooperation of the fastening bolts 14 with the threaded holes.
The working process of the utility model is as follows:
when the utility model is used, the mounting plate 2 is mounted on the hub through the mounting hole 3; when the blades are required to be hoisted or a fault pitch motor or a pitch gearbox in the wind wheel is maintained and replaced, the screw rod 5 is driven to rotate by being matched with the rotating head 4 through a spanner, and the screw rod 5 drives the locking block 12 to move through the thread cylinder 10; the locking block 12 slides along the guide cylinder 9 through the sliding rod 8 to enable the locking teeth 13 to be meshed with the inner gear ring 1, so that the blades are locked, and the stability of the application is improved; meanwhile, the locking block 12 drives the pressing plate 11 to press on the ring gear 1, so that the stability of the locking device can be effectively improved.

Claims (6)

1. The utility model provides a wind generating set blade locking device which characterized in that: comprises a hub, wherein a mounting plate (2) is arranged on the hub; a variable pitch bearing is arranged on the hub, and an annular gear (1) is arranged on the variable pitch bearing; the mounting plate (2) is connected with a locking block (12) in a sliding manner, and a plurality of locking teeth (13) matched with the annular gear (1) are uniformly distributed on the periphery of the locking block (12); a screw rod (5) is rotationally connected to the mounting plate (2), a threaded cylinder (10) is screwed on the screw rod (5), and the threaded cylinder (10) is fixedly connected with the locking block (12); the locking block (12) is detachably connected with a pressing plate (11) matched with the annular gear (1).
2. The wind generating set blade locking apparatus as recited in claim 1, wherein: the mounting plate (2) is provided with a plurality of mounting holes (3).
3. The wind generating set blade locking apparatus as recited in claim 2, wherein: and the mounting plate (2) is also provided with reinforcing ribs (7), and the reinforcing ribs (7) are arranged along the circumferential direction of the mounting plate (2).
4. A wind turbine blade locking device according to any one of claims 1 or 3, wherein: a pair of guide cylinders (9) are fixedly connected to the mounting plate (2), a pair of slide bars (8) fixedly connected with locking blocks (12) are connected to the guide cylinders (9) in a sliding mode, and limiting blocks (6) matched with the guide cylinders (9) are arranged on the slide bars (8).
5. The wind generating set blade locking apparatus as recited in claim 1, wherein: a hexagonal prism-shaped rotating head (4) is fixedly connected to the screw rod (5).
6. The wind generating set blade locking apparatus as recited in claim 1, wherein: a pair of fastening bolts (14) are arranged on the pressing plate (11) in a penetrating mode, and a pair of threaded holes matched with the fastening bolts (14) are formed in the locking block (12).
CN202322108959.4U 2023-08-07 2023-08-07 Blade locking device of wind generating set Active CN220705836U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322108959.4U CN220705836U (en) 2023-08-07 2023-08-07 Blade locking device of wind generating set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322108959.4U CN220705836U (en) 2023-08-07 2023-08-07 Blade locking device of wind generating set

Publications (1)

Publication Number Publication Date
CN220705836U true CN220705836U (en) 2024-04-02

Family

ID=90446754

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322108959.4U Active CN220705836U (en) 2023-08-07 2023-08-07 Blade locking device of wind generating set

Country Status (1)

Country Link
CN (1) CN220705836U (en)

Similar Documents

Publication Publication Date Title
CN201474863U (en) Variable-pitch variable-speed wind turbine
CN204436690U (en) A kind of blade feathering
CN201496211U (en) Impeller locking device
CN204283729U (en) A kind of wind generator set blade blade pitch device
CN102013764B (en) Device for changing slip ring of motor
CN220705836U (en) Blade locking device of wind generating set
CN111306012B (en) Method for correcting deviation of connecting surface of transmission main shaft of wind generating set
CN204113552U (en) A kind of wind-driven generator group wheel box high speed brake disc barring gear
CN102367783B (en) Rotation accuracy positioning device for driving chain of wind driven generator
CN204805288U (en) A fastener for wind generating set
CN206942940U (en) A kind of mechanical change oar locking device of wind power generating set
CN210164566U (en) Novel connecting rod transmission structure of water turbine
CN202250592U (en) Efficient, energy-saving and automatic auxiliary wind-energy machine
CN212003426U (en) Root structure of wind driven generator blade
CN221503434U (en) Fixing device for wind power blade
CN201846201U (en) Device for replacing slip ring of motor
CN216731614U (en) Lead screw type multifunctional crank key puller
CN216077435U (en) Blade locking device for wind turbine generator production
CN221210526U (en) Lower stationary blade bearing cylinder taking-out device of turbine of gas residual pressure generator set
CN215804938U (en) Connecting mechanism for oil cylinder and variable-pitch blade tip in fan blade
CN220705840U (en) High-strength bolt connection structure of wind turbine tower
CN216760495U (en) Novel wind-powered electricity generation blade mould root pre-buried flange device
CN220452091U (en) Multistage series breeze power generation equipment
CN219504646U (en) Vertical hydroelectric set back wheel separation appurtenance
CN221236829U (en) Wind driven generator blade stop device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant