CN210343594U

CN210343594U - Aerogenerator blade equipment frock

Info

Publication number: CN210343594U
Application number: CN201920965910.1U
Authority: CN
Inventors: 谭国顺; 任继新; 陈瑞喜; 张学明; 陈凤; 孙金山; 郑智滨; 杜申
Original assignee: Wuhan Wuqiao Heavy Industry Design Co Ltd; Zl Offshore Engineering Co ltd
Current assignee: Wuhan Wuqiao Heavy Industry Design Co Ltd; Zl Offshore Engineering Co ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-04-17
Anticipated expiration: 2029-06-25

Abstract

The utility model relates to a wind power generation technical field especially relates to a aerogenerator blade equipment frock. The utility model relates to a wind driven generator blade assembly tool which comprises a hub bracket, wherein the hub bracket comprises a base, a driving motor, a gear, a slewing bearing and a hub fixing flange, the outer ring of the slewing bearing is fixed with the base, the inner ring of the slewing bearing is meshed with the gear, the inner ring of the slewing bearing is fixed with the hub fixing flange, and the driving motor is connected with a driving gear to drive the gear to rotate; it still includes locking mechanical system, and locking mechanical system includes electric putter, bolt and locking otic placode, and electric putter fixed mounting is on the base, and electric putter's flexible end is fixed with the bolt, and the locking otic placode is fixed and is opened on the wheel hub mounting flange and the locking otic placode have with bolt complex lockhole. The utility model discloses a locking mechanical system fixes wheel hub, improves the installation steadiness of aerogenerator blade.

Description

Aerogenerator blade equipment frock

Technical Field

The utility model relates to a wind power generation technical field especially relates to a aerogenerator blade equipment frock.

Background

With the development of offshore wind power, an offshore wind driven generator develops towards large-scale, the weight of a universal hub is more than 200 tons, the length of a blade is more than 70 meters, and after assembly, the diameter of an impeller is 150 meters, and the size is huge.

Traditional offshore wind turbine installation, generally install fan wheel hub on generator cabin earlier, the blade adopts special lifting device hoist to the high altitude and dock with wheel hub, and this kind of mounting means need carry out the position fine setting at the high altitude, receives the construction to receive the wind-force influence great, and the high altitude counterpoint difficulty moreover needs special engineering ship, and the engineering drops into greatly, and danger is higher. In addition, partial engineering construction is carried out, a hub of the wind driven generator is fixed on a hub support, then three blades are sequentially installed, the size of each blade of the offshore wind turbine is huge, the three blades are distributed at 120 degrees, the blade crane needs to be shifted on a deck after the first blade is installed, then the second blade and the third blade can be installed, the blade crane needs to be shifted twice in the installation mode, complicated rotation and transposition are needed in the blade hoisting process, the time consumption is long, the installation efficiency is low, and the risk is large.

In order to reduce the number of times of blade crane aversion, chinese utility model patent that application number is 201721905031.7 discloses an impeller equipment frock, and impeller equipment frock includes: a bracket having a first end and a second end arranged opposite to each other in a first direction; the rotating component comprises a fixed ring and a rotating ring which are coaxially arranged and rotatably connected, the fixed ring and the bracket are arranged in a stacking mode in the first direction and are connected to the first end portion, and the rotating ring can be connected with the hub; the driving part is arranged on the bracket and connected with the rotating ring so as to drive the rotating ring to rotate relative to the fixed ring; however, when the fan blade is installed, the fan blade can shake and rotate due to wind power or the shaking of a ship body, the difficulty of blade installation is increased, and the installation efficiency is low.

Disclosure of Invention

In order to solve the problem, the utility model aims at providing an aerogenerator blade equipment frock can improve the steadiness of aerogenerator blade installation.

In order to achieve the purpose, the utility model discloses a aerogenerator blade equipment frock includes wheel hub support, wheel hub support includes base, driving motor, gear, slewing bearing and wheel hub mounting flange, slewing bearing's outer lane is fixed with the base, slewing bearing's inner circle and gear engagement, and slewing bearing's inner circle and wheel hub mounting flange are fixed, driving motor and gear connection drive gear rotate; the locking mechanism comprises an electric push rod, a bolt and a locking lug plate, the electric push rod is fixedly installed on a base of the hub support, the telescopic end of the electric push rod is fixed with the bolt, and the locking lug plate is fixed on the hub fixing flange and provided with a lock hole matched with the bolt.

As a preferred scheme, the device further comprises an angle control device, the angle control device comprises an encoder, an encoder transmission gear and a PLC controller, a signal input end of the PLC controller is connected with the encoder, a signal output end of the PLC controller is connected with a driving motor, the encoder is connected with the encoder transmission gear, and the encoder transmission gear is meshed with an inner ring of the slewing bearing.

Preferably, a brake is mounted on a main shaft of the driving motor.

Preferably, a bolt base is fixed on the base, and the bolt penetrates through the bolt base.

The utility model has the advantages that: compare with traditional aerogenerator blade equipment frock, the utility model discloses an aerogenerator blade equipment frock passes through the installation steadiness that locking mechanical system realized the aerogenerator blade, when blade and wheel hub butt joint, through the fixed wheel hub of locking mechanical system, makes things convenient for the installation operation of blade.

Drawings

Fig. 1 is a schematic structural view of the wind turbine blade assembly tool of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a connection diagram of the locking mechanism and the hub bracket in the wind turbine blade assembly fixture of the present invention;

FIG. 4 is a connection diagram of the angle control device and the hub bracket in the wind turbine blade assembly fixture of the present invention;

FIG. 5 is a schematic view of the connection between the blade assembly fixture and the hub of the wind turbine of the present invention;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a state view of the first blade assembly;

FIG. 8 is a state view of the second blade assembled;

FIG. 9 is a state view of the third vane assembly;

FIG. 10 is a control schematic of a PLC controller;

the components in the figures are numbered as follows: the device comprises a hub bracket 10, a base 11, a driving motor 12, a brake 13, a speed reducer 14, a gear 15, a slewing bearing 16, a hub fixing flange 17, a locking mechanism 20, an electric push rod 21, a bolt base 22, a bolt 23, a locking lug plate 24, an angle control device 30, an encoder 31, an encoder transmission gear 32, an encoder base 33, a hub 40, a first blade 51, a second blade 52 and a third blade 53.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings and specific examples.

In order to solve the problem that the blades of the wind driven generator shake in the installation process, the utility model provides a blade assembly tool of the wind driven generator, the blade assembly tool of the wind driven generator comprises a hub bracket and a locking mechanism, the hub bracket is provided with a slewing bearing and a base, the inner ring of the slewing bearing is meshed with a gear, the inner ring of the slewing bearing is fixed with a hub fixing flange, the outer ring of the slewing bearing is fixed with the base, the gear realizes rotation through a driving motor, the inner ring of the slewing bearing is driven to rotate relative to the outer ring through the gear, and then the hub fixing flange is driven to rotate on the horizontal plane; the locking mechanism is provided with a bolt, a locking lug plate and an electric push rod, the locking lug plate is fixed with the hub fixing flange, a lock hole is formed in the locking lug plate, the bolt stretches up and down through the electric push rod, and the bolt upwards stretches into the lock hole to realize the locking of the hub fixing flange. The following describes in detail a preferred embodiment of the wind turbine blade assembly tool according to the present invention with reference to specific embodiments.

Referring to fig. 1, 3 and 4, the wind turbine blade assembly tool of the present invention includes a hub bracket 10, a locking mechanism 20 and an angle control device 30.

As shown in fig. 1 and 2, the hub bracket 10 includes a base 11 for fixing on the ground or a deck, a driving motor 12, a brake 13, a speed reducer 14, a gear 15, a slewing bearing 16, and a hub fixing flange 17. An outer ring of a slewing bearing 16 is fixed with a base 11 through bolts, an inner ring of the slewing bearing 16 is meshed with a gear 15, an inner ring of the slewing bearing 16 is fixed with a hub fixing flange 17 through bolts, a brake 13 capable of clamping a main shaft of a motor is installed on a main shaft of a driving motor 12, the driving motor 12 is connected with the gear 15 through a speed reducer 14, the gear 15 realizes rotation on a horizontal plane through the driving motor 12, and the gear 15 drives the inner ring of the slewing bearing 16 to rotate relative to the outer ring so as to drive the hub fixing flange 17 to rotate on the horizontal plane.

Referring to fig. 3, the locking mechanism 20 includes an electric push rod 21, a latch base 22, a latch 23 and locking lugs 24, the electric push rod 21 is vertically installed on the base 11 of the hub bracket 10, a latch 23 is welded and fixed to an expansion end of the electric push rod 21, three locking lugs 24 are evenly welded along the circumferential edge of the hub fixing flange 17, the three locking lugs 24 mutually form 120 °, locking holes 24.1 are formed in the three locking lugs 24, the latch base 22 is further fixed to the base 11, a latch hole is formed in the latch base 22, the middle of the latch 23 is sleeved in the latch hole, the latch base 22 provides radial supporting force for the latch 23, and the latch 23 is prevented from being inclined. The bolt 23 extends upwards into the lock hole 24.1 through the electric push rod 21 to realize the locking of the hub fixing flange 17.

Referring to fig. 4, the angle control device 30 includes an encoder 31, an encoder transmission gear 32, an encoder base 33 and a PLC controller, the encoder base 33 is welded and fixed on the base 11 of the hub bracket 10, the encoder transmission gear 32 and the encoder 31 are installed on the encoder base 33, the encoder transmission gear 32 is meshed with the inner ring of the slewing bearing 16, when the inner ring of the slewing bearing 16 rotates, the encoder transmission gear 32 is driven to rotate through gear transmission, the central shaft of the encoder transmission gear 32 is connected with the encoder 31, so as to transmit a rotation signal to the encoder 31, the encoder 31 is connected with the signal input end of the PLC controller, as shown in fig. 10, the signal output end of the PLC controller is connected with the driving motor 12 of the hub bracket 10, and the rotation of the slewing bearing 16, the monitoring of the rotation angle of the slewing bearing, And closed loop control with automatic stop in place.

The use process of the wind driven generator blade assembly tool of the embodiment is that, as shown in fig. 5 and 6, firstly, a hub of a wind driven generator is fixed on a hub fixing flange 17 of a hub bracket 10, as shown in fig. 3, a bolt 23 extends upwards into a lock hole 24.1 through an electric push rod 21 to lock the hub fixing flange 17 and prevent the hub fixing flange from rotating to affect the installation of the blade, a first blade 51 is assembled with a hub 40 through a crane, as shown in fig. 7, after the first blade 51 is assembled, the electric push rod 21 moves downwards, the bolt 23 exits from the lock hole 24.1 through the electric push rod 21 to unlock the hub fixing flange 17, a PLC controller controls a driving motor 12 to operate, the driving gear 15 of the driving motor 12 rotates, the hub fixing flange 17 is driven to rotate on a horizontal plane through engagement of a rotary support 16 and the gear 15, an angle signal of the rotation of the hub fixing flange 17 is transmitted to the PLC controller through, when the rotation angle of the hub fixing flange 17 reaches 120 degrees, the PLC controls the driving motor 12 to stop, the bolt 23 extends upwards into the lock hole 24.1 through the electric push rod 21 to lock the hub fixing flange 17 again, then the second blade 52 is assembled with the hub 40 through the crane, the third blade 53 is assembled with the hub 40 through the same operation as shown in the combined figure 8, and the three blades are completely assembled as shown in the combined figure 9.

Compared with the traditional wind driven generator blade assembling tool, the wind driven generator blade assembling tool has the advantages that:

(1) the wind driven generator blade assembling tool of the embodiment realizes the installation stability of the wind driven generator blade through the locking mechanism, and when the blade is in butt joint with the hub, the hub is fixed under the action of the locking mechanism, so that the blade is convenient to install and operate.

(2) The aerogenerator blade equipment frock of this embodiment passes through angle control device and realizes wheel hub's autogiration, and the automatic shutdown after reaching preset rotation angle (120 in this embodiment) need not to reduce artificial intensity of labour through artifical rotatory wheel hub, improves blade installation effectiveness.

(3) The wind driven generator blade assembling tool of the embodiment drives the hub fixing flange to rotate on the horizontal plane through the slewing bearing, so that the crane is prevented from shifting, the installation time is saved, and the installation construction efficiency is improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A wind driven generator blade assembling tool comprises a hub support (10), wherein the hub support (10) comprises a base (11), a driving motor (12), a gear (15), a slewing bearing (16) and a hub fixing flange (17), the outer ring of the slewing bearing (16) is fixed to the base (11), the inner ring of the slewing bearing (16) is meshed with the gear (15), the inner ring of the slewing bearing (16) is fixed to the hub fixing flange (17), and the driving motor (12) and the gear (15) are connected with the driving gear (15) to rotate; the novel wheel hub locking device is characterized by further comprising a locking mechanism (20), wherein the locking mechanism (20) comprises an electric push rod (21), a bolt (23) and a locking lug plate (24), the electric push rod (21) is fixedly installed on the base (11), the telescopic end of the electric push rod (21) is fixed to the bolt (23), and the locking lug plate (24) is fixed to the wheel hub fixing flange (17) and is provided with a locking hole (24.1) matched with the bolt (23) in the locking lug plate (24).

2. The wind driven generator blade assembling tool according to claim 1, further comprising an angle control device (30), wherein the angle control device (30) comprises an encoder (31), an encoder transmission gear (32) and a PLC (programmable logic controller), a signal input end of the PLC is connected with the encoder (31), a signal output end of the PLC is connected with the driving motor (12), the encoder (31) is connected with the encoder transmission gear (32), and the encoder transmission gear (32) is meshed with an inner ring of the rotary support (16).

3. Aerogenerator blade assembly tooling as claimed in claim 1, characterized in that a brake (13) is mounted on the main shaft of the drive motor (12).

4. The wind driven generator blade assembly tool as claimed in claim 2, wherein a bolt base (22) is fixed on the base (11), and the bolt (23) is arranged in the bolt base (22) in a penetrating manner.