CN202132186U

CN202132186U - Blade protection device of wind driven generator

Info

Publication number: CN202132186U
Application number: CN201120237944U
Authority: CN
Inventors: 徐惠; 仝茂祥
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2011-07-07
Filing date: 2011-07-07
Publication date: 2012-02-01
Anticipated expiration: 2021-07-07

Abstract

The utility model is a blade protection device of a wind driven generator, belonging to the mounting auxiliary device of the wind driven generator. The protection device is characterized by being composed of a front support and a rear support, wherein the front support and the rear support both are steel structure weldments; the front support is mainly composed of a front bracket I, connecting plates and a front lifting lug; the front bracket I is mainly composed of a longitudinal beam I and inverted T-shaped left and right brackets I; the connecting plates are welded to the middle part of the upper surface of the longitudinal beam I and the upper parts of the inner sides of left and right vertical rods I, respectively; mounting holes are formed on the lower connecting plates and left and right connecting plates, respectively, and correspondingly connected to blade front flange plates; the rear support is mainly composed of a rear bracket, left and right carriages and a rear lifting lug; the rear bracket is mainly composed of a longitudinal beam II and inverted T-shaped left and right brackets II; an upper longitudinal beam is welded between the middle parts of left and right vertical rods II; and the left and right carriages each provided with a cambered-surface groove are symmetrically mounted on the upper longitudinal beam; the tail parts of blades supported on the carriage of the rear support; therefore, effective protection is provided for the storage and transportation of fan lades.

Description

The blade of wind-driven generator protective gear

Technical field

The utility model belongs to the wind-driven generator installation auxiliary device, especially relates to a kind of blade of wind-driven generator protective gear.

Background technique

Along with the progressively expansion that the wind-powered electricity generation new energy are built, the single-machine capacity of wind power generating set increases day by day, and the length and width size and the weight of fan blade also continue to increase; Because the wind field construction is many on high and steep mountains or the windy area of seashore beach; Fan blade in the long-distance transportation process, when deposit temporarily in the equipment stockyard at the scene and at the construction field (site) secondary is had bad luck in the process, and is if there is not firm measure, careless slightly; Tend to cause the blade scratch, fracture, even scrap.

Summary of the invention

The purpose of the utility model is to propose a kind of blade of wind-driven generator protective gear, and the protective gear as in interim storage of blade of wind-driven generator and the transportation process reduces installation cost, improves work efficiency and installation quality.

The utility model is intended to achieve this: a wind turbine blade protection device (hereinafter referred to as the blade protection device), characterized in that: the wind turbine blade protection device consists of front seat and rear bearing components, Previously, both bearing steel after welding parts, the front seat and mainly by the former holder, plate and front lug component; mainly by the front bracket and stringers Ⅰ and was left Shang-shaped bracket Ⅰ composition was left to set in the longitudinal Ⅰ of the right and left ends respectively welded installed by the pole Ⅰ and beams Ⅰ group left and right bracket welded Ⅰ , and the lower part of the left and right pole Ⅰ Ⅰ with beams between the front and rear ends, respectively, corresponding to the welding bracing Ⅰ , in the left pole Ⅰ and lower stringers Ⅰ between the left and right, respectively, corresponding to the welding department bracing Ⅱ, to form a solid steel front bracket, in which Stringer Ⅰ the middle of the upper surface of the rectangular plate welding, the inner surface of the left and right upper pole Ⅰ welding symmetrical rectangular plate, respectively, the lower plate the center of the left and right isosceles triangle plate set, and the plate around the center line of the blade should be open from the front flange and the mounting hole center distance equal to the lower plate on the plate and on the left and right, respectively, opening mounting holes make this installation hole and blade front flange connection hole corresponds to the lower left and right plates and front plate and the blade of the corresponding holes on the flange bolts will be installed in the wear of wind turbine blades fixed to the front end on the front seat, in addition, in the left pole Ⅰ at the top of the outer surface of each symmetrical welding lug plate with shackles to form left and right front lifting lugs for lifting blades with; mainly by the rear seat rear bracket, left and right and left and right rear bracket lug composed mainly by the rear bracket also showed Shang-shaped stringers Ⅱ and Ⅱ composed of left and right bracket, left and right of the rear bracket bracket Ⅱ and the left and right front bracket bracket Ⅰ the same structure, that was about to set the left and right ends of the stringers Ⅱ welding the pole corresponding group Ⅱ Ⅱ and beams welded The stent was left Shang shaped Ⅱ, the left and the middle pole Ⅱ Ⅱ cross between the front and rear ends, respectively, bracing welding Ⅲ, the left and right between the front cross member Ⅱ vice longitudinal welding, the left and right vertical Ⅱ welding rod between the longitudinal middle to form a solid steel rear bracket, in the longitudinal spaced symmetrically around the rectangular mounting bracket, the holder for the block left, the left and right tray Block straight groove bottom of each opening corresponding to the upper stringer fitted in the base portion of the left inner tray arc groove were opened, and in this groove is installed on the arc protection cushion, this protection cushions for rubber mats; addition, around the outer surface of the top pole Ⅱ were symmetrical welding ear with shackle plates to form the left and right rear lugs for lifting blades used;

During use, the forward flange dish of mounting blades on preceding bearing, promptly before three connecting plates and blade forward flange dish on the bearing with the corresponding connection of bolt; Rear support is placed on 3/4 place from the blade tail end, and blade afterbody support is used to protect the blade afterbody on the soft protective pad on the rear support.

When blade is deposited in the equipment stockyard; Forward and backward bearing can play whole blower fan vane frame, and the protection blade is not damaged, and blade is when secondary is had bad luck at the construction field (site); As long as the wire rope correspondence is passed the shackle on the forward and backward bearing hanger, lift blade with two hoists then and transport entrucking.

The blade of wind-driven generator protective gear that the utility model proposed, rational in infrastructure, safe and reliable, in interim storage of blade of wind-driven generator and transportation process, effective protection is provided, reduced installation cost, improved work efficiency and installation quality.

Combine accompanying drawing and embodiment that the blade of wind-driven generator protective gear that the utility model proposed is described further at present.

Description of drawings

Fig. 1 is that the blade of wind-driven generator protective gear that the utility model proposes uses schematic representation.

Fig. 2 is a part 1 in the blade of wind-driven generator protective gear that proposes of the utility model: the master of preceding bearing looks schematic representation.

Fig. 3 is a part 2 in the blade of wind-driven generator protective gear that proposes of the utility model: the schematic perspective view of rear support.

Among Fig. 1～Fig. 3: 1, preceding bearing 2, rear support 3.1, vertical rod I3.2, vertical rod II 4, diagonal brace I5.1, crossbeam I5.2, crossbeam II 6, diagonal brace II 7.1, longeron I7.2, longeron II 8, connecting plate 9, forward flange dish 10, otic placode 11, shackle 12, go up longeron 13, diagonal brace III 14, secondary longeron 15, bracket 16, blade.

Embodiment

From Fig. 1-Fig. 3, can find out: a kind of blade of wind-driven generator protective gear is characterized in that:

The wind turbine blade protection device consists of a front and rear bearing two bearing components, previously, 1,2 are bearing steel after welding parts, the front bearing one another mainly by the front bracket, plate 8 and front lug composition; mainly by the front bracket and stringers Ⅰ 7.1 and was about Shang-shaped bracket Ⅰ , composed in Movement about the settings stringer Ⅰ 7.1 respectively the left and right ends by welding pole Ⅰ 3.1 and beams Ⅰ 5.1 group, the left and right bracket welded Ⅰ , and the left and right pole Ⅰ 3.1 the lower cross beam Ⅰ 5.1 between the front and rear ends respectively welding bracing Ⅰ 4, the left and right vertical Rod Ⅰ 3.1 lower and stringers Ⅰ 7.1 between the left and right portion corresponding welding bracing Ⅱ 6, to form a solid The steel front bracket, in longitudinal Ⅰ 7.1 in the middle of the upper surface of the rectangular plate welding 8, in the left pole Ⅰ 3.1, respectively, the upper part of the inner surface of the rectangular plate 8 symmetrical welding, around the lower plate 8 and the plate 8 is set to the center of isosceles triangle, and the left and right of the center line of the opening plate 8 from the blade 16 should flange 9 on the front of the mounting hole center distance equal to the lower plate 8 and on the left and right plate mounting holes 8 were opened in the blade and to the mounting holes 16 of the first flange 9 connection holes correspond to the lower plate 8 and the left front plate 8 and the blades 16 of the flange 9 is reeved through the corresponding hole of the wind turbine blade bolt 16 is fixed to the front end bearing 1, and in addition, the left and right Pole Ⅰ 3.1 at the top of the outer surface of each shackle 11 with symmetrical welding of the lug plate 10 to form the left and right front ear of time by the blades 16 for lifting; the After bearing two mainly by the rear bracket, left bracket 15 and the left and right rear lug composed mainly by the rear bracket is also stringer Ⅱ 7.2 and was about Shang-shaped bracket Ⅱ composed of the left and right of the rear bracket with the front bracket Ⅱ The left bracket holder Ⅰ the same structure, that was about to set the right and left longitudinal ends Ⅱ 7.2 respectively welding the pole Ⅱ 3.2 and beams Ⅱ 5. 2 was formed by welding around Shang-shaped bracket Ⅱ, Ⅱ 3.2 in the left and the middle pole cross Ⅱ 5.2 respectively, between the front and rear ends welding bracing Ⅲ 13, the left and right front of the beam Ⅱ 5.2 welding between the sub-rail 14, the left and right in the middle pole Ⅱ 3.2 on the longitudinal welding between 12 to form a solid steel rear bracket, in the side frame 12 mounted symmetrically spaced around a rectangular bracket 15, the bracket 15 may be around the block in which the left and right bottom bracket 15 are now offering straight groove to correspond with the stringer 12 is fitted in the upper part of the left and right bracket 15 were opened inside the arc groove, and in this groove is installed on both the arc protection cushion, this protection for the rubber cushion pad; Further, in the top left pole Ⅱ 3.2 welding the outer surface of the symmetry with the shackle 11 ear plate 10 to form the left and right rear lugs for lifting the blade 16 with;

During use, the forward flange dish 9 of mounting blades 16 on preceding bearing 1, promptly before the corresponding connection of forward flange dish 9 usefulness bolts of three connecting plates 8 and blade 16 on the bearing 1; Rear support 2 is placed on from 3/4 place of blade 16 tail ends, and blade 16 afterbody supports are used to protect the afterbody of blade 16 on the soft protective pad on the rear support 2.

When blade 16 is deposited in the equipment stockyard; Forward and backward bearing 1,2 can be erected whole blade of wind-driven generator 16; Protection blade 16 is not damaged; Blade 16 as long as the wire rope correspondence is passed the shackle 11 on forward and backward bearing 1,2 hangers, lifts blade 16 with two hoists then and transports entrucking when secondary is had bad luck at the construction field (site).

Claims

1. blade of wind-driven generator protective gear is characterized in that:

a, the wind turbine blade protection device mainly consists of former holder (1) and the rear seat (2) composition, previously, after bearing (1,2) are steel weldments, the former holder (1) and mainly from the front bracket, the connecting plate (8) and a front lug formed; the front bracket and mainly by the longitudinal Ⅰ (7.1) and was left Shang-shaped bracket Ⅰ composition was left to set in the longitudinal Ⅰ (7.1) corresponding to the left and right ends by welding pole Ⅰ (3.1) and beams Ⅰ (5.1) set the left and right bracket welded Ⅰ , and left pole Ⅰ (3.1) and the lower beam Ⅰ (5.1) between the front and rear ends welding corresponding bracing Ⅰ (4), the left and right pole Ⅰ (3.1) and lower stringers Ⅰ (7.1) between the left and right portion corresponding welding bracing Ⅱ (6), in this stringers Ⅰ (7.1) in the middle on the upper surface of the lower welding rectangular plate (8), the left and right pole Ⅰ (3.1) the inner face the upper left of the symmetry of the rectangle welding plate (8), the lower plate (8) and left and right plate (8) is set to the center of isosceles triangle, and the left plate (8) from the center line of the opening should and the blade (16) the front flange disc (9) on a mounting hole center distance equal to the, the lower connecting plate (8) on and a in right and left connecting plate (8) on a were opened in mounting holes and make each mounting holes and leaf (16) the first flange (9) corresponding to the connection hole, in the left pole Ⅰ (3.1) at the top of the outer surface of each shackle with symmetrical welding (11) ear plate (10) composed of left and right front lug;

b, the rear seat (2) mainly by the rear bracket, left bracket (15) and left and right rear lug composed mainly by the rear frame rails Ⅱ (7.2) and was left Shang-shaped bracket Ⅱ composed of left and right of the rear bracket holder Ⅱ and the left and right front bracket bracket Ⅰ of the same structure, so that the settings in the stringer was Ⅱ (7.2) correspond to the left and right ends of the pole welding Ⅱ (3.2) and beams Ⅱ (5.2) set the left and right bracket welded Ⅱ , in the left pole Ⅱ (3.2) in the middle and beams Ⅱ (5.2) between the front and rear ends respectively, welding bracing Ⅲ (13), the left and right beams Ⅱ (5.2) between the front longitudinal welding vice beams (14), the left and right pole Ⅱ (3.2) between the middle of the longitudinal welding (12), in the longitudinal (12) symmetrically spaced on Install around the rectangular holder (15), the left and right holder (15) are opened at the bottom to the upper longitudinal straight groove (12) corresponds fitted, the left and right holder (15) were set up inside the upper portion of the arc surface grooves and recesses are installed on this arc protection cushion, in addition, around the pole Ⅱ (3.2) at the top of the outer surface of the welding with the symmetry There shackle (11) ear plate (10) composed after about lug.

2. blade of wind-driven generator protective gear according to claim 1 is characterized in that this left and right sides bracket (15) is a wooden unit.

3. blade of wind-driven generator protective gear according to claim 1 is characterized in that this protection cushion is a rubber pad.