CN210480615U

CN210480615U - Single-blade lifting appliance of wind driven generator

Info

Publication number: CN210480615U
Application number: CN201921285325.3U
Authority: CN
Inventors: 高进贤; 陈云超
Original assignee: YANGZHOU SHENLI LIFTING TOOLS MANUFACTURING CO LTD
Current assignee: YANGZHOU SHENLI LIFTING TOOLS MANUFACTURING CO LTD
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-05-08
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses an aerogenerator single-blade hoist in the installation hoist field, including hoisting support, hoisting support is last to install adjustable coupling mechanism that lifts by crane, hoisting support is last to be provided with at least two sets of self-adaptation clamping device who controls corresponding about, and self-adaptation clamping device suits with the shape of blade, every group self-adaptation clamping device goes up fixture and lower fixture including what correspond mutually, goes up fixture and can remove, goes up fixture and can fix the blade with lower fixture. The utility model discloses a fixture can realize the fixed blade of centre gripping more reliably according to the automatic adaptation of shape of blade, and the security is good.

Description

Single-blade lifting appliance of wind driven generator

Technical Field

The utility model belongs to installation hoist field, in particular to aerogenerator list blade hoist.

Background

In the prior art, a wind power generator is an electric power device that converts wind energy into mechanical power, and the mechanical power drives a rotor to rotate, thereby finally outputting alternating current. The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity. The design of blades in a wind driven generator directly influences the conversion efficiency of wind energy and the annual energy production of the wind driven generator, and is an important ring for wind energy utilization.

Among the prior art, there is blade lifting device and blade hoist and mount system, its patent application number: 201711491151.1, respectively; application date: 2017.12.30, respectively; the structure of the blade lifting device comprises a bearing main body, a lifting connecting piece and a blade holding device, wherein the blade holding device comprises a holding part and an adsorption connecting piece, the adsorption connecting piece generates adsorption force to adsorb a blade to be assembled, and then the blade is adsorbed on the holding part. The device adsorbs the blade of waiting to assemble through the adsorption affinity that adsorbs the connecting piece and produce, and then makes hoisting machine construct and hang the blade to preset position, accomplishes the assembly with wheel hub, needs powerful adsorption affinity could guarantee that the blade does not drop, and hoist and mount process security is low, causes the incident easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a aerogenerator list blade hoist goes up fixture and can realize the fixed blade of centre gripping more reliably according to the automatic adaptation of shape of blade with lower fixture, and the security is good.

The purpose of the utility model is realized like this: the utility model provides a aerogenerator list blade hoist, includes hoisting support, the last adjustable coupling mechanism that lifts by crane of installing of hoisting support, the last at least two sets of self-adaptation clamping device who corresponds about that is provided with of hoisting support, self-adaptation clamping device suits with the shape of blade, every group self-adaptation clamping device is including the last fixture and the lower fixture that correspond mutually, goes up fixture and can remove, goes up fixture and can fix the blade with lower fixture.

When the utility model works, the lower part of the generator blade is supported on two lower clamping mechanisms which are distributed on the left side and the right side, the upper clamping mechanism moves to the position above the lower clamping mechanism, the upper clamping mechanism moves downwards towards the lower clamping mechanism to press the upper side of the blade, and the surfaces of the upper clamping mechanism and the lower clamping mechanism, which are contacted with the blade, can be adapted and adjusted according to the shape of the blade, so as to ensure the positioning of the blade; the adjustable hoisting connecting mechanism is connected with the lifting hook through a lifting rope and can swing left and right within the range of 30-60 degrees of inclination angle so as to adjust the inclination angle of the hoisting support hoisted in the left and right directions.

Compared with the prior art, the beneficial effects of the utility model reside in that: the clamping mechanism can automatically adapt to the shape of the blade, so that the blade can be reliably clamped and fixed, and the safety is good.

As a further improvement, fixture includes the lower anchor clamps that correspond around at least two sets of, be provided with the articulated seat of 2 at least one-level on the hoisting support, anchor clamps are including articulating the swing span that corresponds on the articulated seat of one-level down, and the left and right sides correspondence of swing span is provided with the wobbling centre gripping subassembly of 2 groups, the centre gripping subassembly includes the articulated seat of the second grade that 2 correspond the distribution in tandem, and articulated on the articulated seat of second grade have a swing seat, and swing seat surface is provided with the backing plate. The swing support can swing left and right on the first-stage hinged seat, the swing seat can swing left and right on the second-stage hinged seat, secondary swing is realized by the swing seat, and the shape of the blade can be better adapted; each group of clamping components consists of 2 swinging seats, the contact area between the clamping components and the blade is increased, and the blade is more stably fixed.

As a further improvement, the utility model is located the front side the articulated seat slope of one-level of anchor clamps sets up down, is located the rear side the articulated seat level of one-level of anchor clamps sets up down. The lower clamp positioned on the front side has a certain inclination angle in the front-back direction, can obliquely support the lower side of the blade, more stably supports the lower side of the blade, and more firmly fixes the blade.

As a further improvement, go up fixture and include the last anchor clamps that correspond around at least two sets of, go up anchor clamps and anchor clamps longitudinal symmetry setting down, the swing support of anchor clamps all articulates on last rotation regulation seat through round pin axle one on each, goes up rotation regulation seat through round pin axle two and swing arm one end articulated mutually, and round pin axle one and round pin axle are two phase vertical, and the swing arm other end is articulated mutually with hoisting support, it has linear drive mechanism one to correspond swing arm articulated on the hoisting support, and linear drive mechanism one's working end is articulated mutually with the swing arm middle part. The working end of the first linear driving mechanism drives the swing arm to swing, so that the upper clamping mechanism moves towards the lower clamping mechanism, the upper rotary adjusting seat enables the upper clamp to swing in the front-back direction, the upper clamp can swing in the left-right direction, and the upper clamp and the lower clamp are matched with each other to fix the blade.

As the utility model discloses a further improvement, the swing arm includes 2 bilateral symmetry's the branch arm body, is provided with the connector between 2 branch arm bodies, and linear drive mechanism one is provided with 2, and 2 linear drive mechanism one's work end links to each other with 2 branch arm body one-to-ones. 2 divide the arm body to make the structure of swing arm more stable, 2 linear drive mechanism one drives the swing arm swing more steadily.

As a further improvement of the utility model, adjustable coupling mechanism that lifts by crane sets up at the hoisting support upside, and adjustable coupling mechanism that lifts by crane includes that one end rotates the rotatory davit of connection on the hoisting support, and the other end of rotatory davit is provided with and breaks out, it has linear driving mechanism two to correspond rotatory davit articulated on the hoisting support, and linear driving mechanism two's work end is articulated mutually with rotatory davit middle part. The lifting rope is connected with the shackle, the rotating suspension arm is lifted by the lifting hook positioned above the lifting rope, the lifting support is also lifted, the rotating suspension arm is driven by the linear driving mechanism II to swing, and the rotating suspension arm swings left and right to adjust the lifting angle of the lifting support in the left and right directions.

As the utility model discloses a further improvement, rotatory davit includes 2 bilateral symmetry's the minute arm body, is provided with the connector between 2 minute arm bodies, and linear driving mechanism two is provided with 2, and 2 linear driving mechanism two's work end links to each other with 2 minute arm body one-to-one. The 2 arm-separating bodies enable the structure of the rotary suspension arm to be more stable, and the 2 linear driving mechanisms drive the rotary suspension arm to swing more stably.

As a further improvement, the left and right sides of the hoisting support are provided with side supports, and the ends of the side supports are provided with rings. The hoisting ring can be connected with the hoisting rope, so that the angle of the hoisting bracket in the left and right directions can be further adjusted from the side.

As a further improvement, the 2 balance arms that can extend forward that the hoisting support upside is provided with bilateral symmetry are equipped with linear drive mechanism three in the balance arm, and linear drive mechanism three's working end is equipped with the push-and-pull rod that can be reciprocating linear motion in the front and back direction, and the one end that the push-and-pull rod stretches out outward is provided with the balancing weight, and the push-and-pull rod left and right sides all is equipped with guide pulley, and guide pulley supports on the spigot surface of balance arm. And the third linear driving mechanism drives the push-pull rod to move axially, so that the front and rear positions of the balancing weight can be adjusted, and the hoisting angle of the hoisting support in the front and rear directions can be adjusted.

Drawings

Fig. 1 is a three-dimensional structure diagram of the present invention.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a three-dimensional structure diagram of the present invention.

Fig. 4 is an enlarged view at B in fig. 3.

Fig. 5 is a front view of the present invention.

Fig. 6 is an enlarged view at C in fig. 5.

Fig. 7 is a left side view of the present invention.

Fig. 8 is an enlarged view at D in fig. 7.

Fig. 9 is a top view of the present invention.

Fig. 10 is a schematic view of the internal structure of the balance arm according to the present invention.

The lifting device comprises a lifting support 1, an adjustable lifting connection mechanism 2, a rotary lifting arm 2a1 branch arm body 2b shackle, a linear driving mechanism 2c, a lower clamp 3, a swing support 301, a second-stage hinged seat 302, a swing seat 303, a first-stage hinged seat 4, a base plate 5, an upper clamp 6, a first pin shaft 7, a rotary adjusting seat 8, a second pin shaft 9, a swing arm 10, a branch arm body 10a, a linear driving mechanism 11, a side support 12, a lifting ring 13, a balance arm 14, a linear driving mechanism 14a, a push-pull rod 14b, a1 guide pulley 14c counterweight 14c and a guide surface 14 d.

Detailed Description

As shown in fig. 1-10, the single-blade lifting appliance for the wind driven generator comprises a lifting support 1, wherein an adjustable lifting connection mechanism 2 is installed on the lifting support 1, at least two groups of self-adaptive clamping devices corresponding to each other left and right are arranged on the lifting support 1, the self-adaptive clamping devices are adaptive to the shape of the blade, each group of self-adaptive clamping devices comprises an upper clamping mechanism and a lower clamping mechanism which correspond to each other, the upper clamping mechanism can move, and the upper clamping mechanism and the lower clamping mechanism can fix the blade. Lower fixture includes the lower anchor clamps 3 that correspond around at least two sets of, is provided with the articulated seat 4 of 2 at least one-level on the lifting support 1, and anchor clamps 3 are including articulating the swing support 301 on corresponding the articulated seat 4 of one-level down, and the left and right sides correspondence of swing support 301 is provided with the wobbling centre gripping subassembly of 2 groups, the centre gripping subassembly includes the articulated seat 302 of the second grade that 2 correspond the distribution in tandem, and articulated on the articulated seat 302 of second grade have swing seat 303, and swing seat 303 surface is provided with backing plate 5. The one-level hinged seat 4 of the lower clamp 3 positioned on the front side is obliquely arranged, and the one-level hinged seat 4 of the lower clamp 3 positioned on the rear side is horizontally arranged. Go up fixture includes the last anchor clamps 6 that correspond around at least two sets of, go up anchor clamps 6 and anchor clamps 3 symmetry setting from top to bottom down, the swing support 301 of each last anchor clamps 6 all articulates on last rotation regulation seat 8 through round pin axle one 7, go up rotation regulation seat 8 and through round pin axle two 9 and swing arm 10 one end articulated mutually, round pin axle one 7 and round pin axle two 9 are mutually perpendicular, the swing arm 10 other end is articulated mutually with hoisting support 1, corresponding swing arm 10 on hoisting support 1 articulates there is linear drive mechanism one 11, the working end of linear drive mechanism one 11 is articulated mutually with swing arm 10 middle part. The swing arm 10 comprises 2 bilateral symmetry branch arm bodies 10a, a connecting body is arranged between the 2

branch arm bodies

10a, 2 linear driving mechanisms 11 are arranged, and the working ends of the 2 linear driving mechanisms 11 are connected with the 2 branch arm bodies 2a1 in a one-to-one correspondence mode. The adjustable lifting connecting mechanism 2 is arranged on the upper side of the lifting support 1, the adjustable lifting connecting mechanism 2 comprises a rotary lifting arm 2a, one end of the rotary lifting arm 2a is rotatably connected to the lifting support 1, the other end of the rotary lifting arm 2a is provided with a shackle 2b, the lifting support 1 is hinged to a linear driving mechanism II 2c corresponding to the rotary lifting arm 2a, and the working end of the linear driving mechanism II 2c is hinged to the middle of the rotary lifting arm 2 a. The rotary suspension arm 2a comprises 2 bilateral symmetrical sub-arm bodies 2a1, a connector is arranged between 2 sub-arm bodies 2a1, 2 linear driving mechanisms 2c are arranged, and the working ends of the 2 linear driving mechanisms 2c are connected with the 2 sub-arm bodies 2a1 in a one-to-one correspondence mode. The left side and the right side of the hoisting bracket 1 are both provided with side brackets 12, and the end parts of the side brackets 12 are provided with hoisting rings 13. The upper side of the hoisting support 1 is provided with 2 bilaterally symmetrical balance arms 14 capable of extending forwards, a linear driving mechanism III 14a is arranged in each balance arm 14, the working end of each linear driving mechanism III 14a is provided with a push-pull rod 14b capable of doing reciprocating linear motion in the front-back direction, the end, extending outwards, of each push-pull rod 14b is provided with a counterweight block 14c, the left side and the right side of each push-pull rod 14b are provided with guide pulleys 14b1, and the guide pulleys 14b1 are supported on guide surfaces 14d of the balance arms 14. Each linear driving mechanism is an oil cylinder, a hydraulic support rod or a linear motor.

When the device works, the lower parts of the blades of the generator are supported on two lower clamping mechanisms distributed on the left side and the right side, the swing bracket 301 can swing left and right on the first-stage hinged seat 4, the swing seat 303 can swing left and right on the second-stage hinged seat 302, the swing seat 303 realizes secondary swing, and the shape of the blades can be better adapted; each group of clamping components consists of 2 swinging seats 303, so that the contact area between the clamping components and the blade is increased, and the blade is more stably fixed; the working end of a linear driving mechanism I11 drives a swing arm 10 to swing, so that an upper clamping mechanism moves towards a lower clamping mechanism, an upper clamp 6 and a lower clamp 3 are matched with each other to fix the blade, and the surfaces of the upper clamping mechanism and the lower clamping mechanism, which are contacted with the blade, can be adapted and adjusted according to the shape of the blade, so that the blade is positioned; the lifting rope is connected with the shackle 2b, the rotary lifting arm 2a is lifted by a lifting hook positioned above the lifting rope, the lifting support 1 is also lifted, the linear driving mechanism II 2c drives the rotary lifting arm 2a to swing, and the rotary lifting arm 2a can swing left and right within the inclination angle range of 30-60 degrees, so that the lifting angle of the lifting support 1 in the left and right directions can be adjusted; the third linear driving mechanism 14a drives the push-pull rod 14b to move axially, so that the front and rear positions of the counterweight block 14c can be adjusted, and the hoisting angle of the hoisting support 1 in the front and rear directions can be adjusted. The utility model discloses can realize fixing the blade by the centre gripping more reliably according to the shape automatic adaptation of blade, the security is good.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims

1. The utility model provides a aerogenerator list blade hoist, includes hoisting support, its characterized in that, the last adjustable coupling mechanism that lifts by crane of installing of hoisting support, be provided with at least two sets of self-adaptation clamping device who corresponds about on the hoisting support, self-adaptation clamping device suits with the shape of blade, every group self-adaptation clamping device is including the last fixture and the lower fixture that correspond mutually, goes up fixture and can remove, goes up fixture and can fix the blade with lower fixture.

2. The wind driven generator single-blade lifting appliance according to claim 1, wherein the lower clamping mechanism comprises at least two sets of lower clamps which correspond to each other in a front-back manner, the lifting support is provided with at least 2 first-stage hinged seats, the lower clamps comprise swing supports which are hinged to the corresponding first-stage hinged seats, the left side and the right side of each swing support are correspondingly provided with 2 sets of swingable clamping components, each clamping component comprises 2 second-stage hinged seats which are correspondingly distributed in a front-back manner, each second-stage hinged seat is hinged with a swing seat, and a base plate is arranged on the surface of each swing seat.

3. The wind turbine single blade lifting appliance according to claim 2, wherein the primary hinge seat of the lower fixture at the front side is arranged obliquely, and the primary hinge seat of the lower fixture at the rear side is arranged horizontally.

4. The wind driven generator single-blade lifting appliance according to claim 2, wherein the upper clamping mechanism comprises at least two sets of upper clamps which correspond to each other front and back, the upper clamps and the lower clamps are arranged in a vertically symmetrical manner, the swing bracket of each upper clamp is hinged to the upper rotary adjusting seat through a first pin shaft, the upper rotary adjusting seat is hinged to one end of the swing arm through a second pin shaft, the first pin shaft is perpendicular to the second pin shaft, the other end of the swing arm is hinged to the lifting bracket, the corresponding swing arm on the lifting bracket is hinged to a first linear driving mechanism, and the working end of the first linear driving mechanism is hinged to the middle of the swing arm.

5. The wind driven generator single-blade lifting appliance according to claim 4, wherein the swing arm comprises 2 bilaterally symmetrical sub-arm bodies, a connecting body is arranged between the 2 sub-arm bodies, 2 linear driving mechanisms are arranged, and the working ends of the 2 linear driving mechanisms are connected with the 2 sub-arm bodies in a one-to-one correspondence manner.

6. The wind driven generator single-blade lifting appliance according to any one of claims 1 to 5, wherein the adjustable lifting connection mechanism is arranged on the upper side of the lifting support, the adjustable lifting connection mechanism comprises a rotary lifting arm with one end rotatably connected to the lifting support, the other end of the rotary lifting arm is provided with a shackle, a linear driving mechanism II is hinged to the lifting support corresponding to the rotary lifting arm, and the working end of the linear driving mechanism II is hinged to the middle part of the rotary lifting arm.

7. The wind driven generator single-blade lifting appliance according to claim 6, wherein the rotary lifting arm comprises 2 bilateral-symmetrical sub-arm bodies, a connecting body is arranged between the 2 sub-arm bodies, 2 linear driving mechanisms are arranged, and the working ends of the 2 linear driving mechanisms are connected with the 2 sub-arm bodies in a one-to-one correspondence manner.

8. The wind driven generator single-blade lifting appliance according to any one of claims 1 to 5, wherein side brackets are arranged on the left side and the right side of the lifting bracket, and lifting rings are arranged at the ends of the side brackets.

9. The wind driven generator single-blade lifting appliance according to any one of claims 1 to 5, wherein 2 bilaterally symmetrical balance arms capable of extending forwards are arranged on the upper side of the lifting support, a third linear driving mechanism is arranged in each balance arm, a push-pull rod capable of performing reciprocating linear motion in the front-back direction is arranged at the working end of each third linear driving mechanism, a counterweight block is arranged at the end, extending outwards, of each push-pull rod, guide pulleys are arranged on the left side and the right side of each push-pull rod, and the guide pulleys are supported on the guide surfaces of the balance arms.