CN213011518U

CN213011518U - Turnover device for modularized wind driven generator stator

Info

Publication number: CN213011518U
Application number: CN202021195526.7U
Authority: CN
Inventors: 臧凌山; 次元平; 高鸿璇; 曹利
Original assignee: Xi'an Zhongche Yongdian Jieli Wind Energy Co ltd
Current assignee: Xi'an Zhongche Yongdian Jieli Wind Energy Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-04-20
Anticipated expiration: 2030-06-24

Abstract

The utility model belongs to the technical field of wind power generation, and relates to a turnover device for a modularized wind power generator stator, which comprises a device body, wherein the device body comprises a first supporting plate and a second supporting plate which are symmetrically arranged, and a connecting plate is arranged between the first supporting plate and the second supporting plate; the first support plate is provided with a first connecting part, the first connecting part is connected with the first lifting appliance through a connecting piece, the second support plate is provided with a second connecting part, and the second connecting part is connected with the second lifting appliance through a connecting piece; the connecting plate is provided with a plurality of first mounting holes for mounting the modular stator. This turning device through set up first connecting portion, second connecting portion on the device body, makes whole device body be connected with first hoist, second hoist, and the modularization stator is installed on the connecting plate, and first hoist cooperatees with the second hoist, and whole upset process only uses the driving that has the double hook handling can make the modularization stator carry out 180 upsets, need not to drop into complicated upset machine of shifting.

Description

Turnover device for modularized wind driven generator stator

Technical Field

The utility model belongs to the technical field of wind power generation, a modularization stator is related to, especially, relate to a turning device for modularization aerogenerator stator.

Background

In recent years, more and more direct-drive wind power technologies are developed towards high power. Along with the increase of the power of the generator, the size of the generator is increased, and along with the continuous increase of the manufacturing cost of the generator, the production cost can be effectively reduced by adopting a modular generator structure. Modular generators will therefore be a future development trend.

An existing direct-driven wind driven generator is of a modular splicing type structure, and a modular stator of the direct-driven wind driven generator is composed of a stator support, a stator core, a stator winding and the like. The whole structure of the stator core is a long and narrow fan-shaped structure with large radius and small angle, the structure is similar to a trapezoid with the bottom width of 940mm and the height of 2160mm, the total weight is about 2.2 tons, and the gravity center of the stator core is positioned at the front section of the modularized stator, namely the stator core and the stator winding. The stator needs to be turned over for 180 degrees for many times in the processes of stator paint dipping, modular assembly and the like. However, at present, no portable turnover device for the stator of the modular wind driven generator exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a turning device for modularization aerogenerator stator, under the prerequisite that does not drop into complicated upset machine of shifting, realize 180 upsets of modularization stator.

The utility model aims at solving through the following technical scheme:

the turnover device for the modularized wind driven generator stator comprises a device body, wherein the device body comprises a first supporting plate and a second supporting plate which are symmetrically arranged, and a connecting plate is arranged between the first supporting plate and the second supporting plate; the first support plate is provided with a first connecting part, the first connecting part is connected with a first lifting appliance through a connecting piece, the second support plate is provided with a second connecting part, and the second connecting part is connected with a second lifting appliance through a connecting piece; the connecting plate is provided with a plurality of first mounting holes for mounting the modular stator.

Furthermore, the first connecting portions are a plurality of lifting lugs symmetrically arranged on the first supporting plate, and the second connecting portions are a plurality of lifting lugs symmetrically arranged on the second supporting plate.

Furthermore, the number of the first mounting holes is ten, the ten first mounting holes are symmetrically distributed on the connecting plate, every five first mounting holes form a group, and the first mounting holes are arranged corresponding to the second mounting holes in the modular stator.

Furthermore, the second mounting hole on the modular stator and the first mounting hole on the connecting plate are fixedly connected with each other through bolts and nuts.

Furthermore, the first supporting plate and the second supporting plate are respectively provided with an opening for hoisting the modularized stator.

Furthermore, the modularization stator can be lifted through the I-shaped lifting tool, the I-shaped lifting tool is provided with at least two groups of lifting lugs, and the lifting lugs are symmetrically distributed at two ends of the I-shaped lifting tool and used for guaranteeing balance of the modularization stator during lifting.

Further, the connecting piece is a hanging strip or a hanging rope.

Furthermore, the lifting lugs are connected with lifting ropes or lifting straps, and the lifting ropes or the lifting straps are connected with the lifting lugs on the modular stator through turn-buckle bolts.

Further, the side of device body is "C" type structure, first backup pad is located the top of "C" type structure, the second backup pad is located the bottom of "C" type structure.

Compared with the prior art, the utility model provides a technical scheme has following beneficial effect: the whole device body is connected with the first lifting appliance and the second lifting appliance by arranging the first connecting part and the second connecting part on the device body, the modular stator is arranged on the connecting plate, and the first lifting appliance is matched with the second lifting appliance (the movement directions of the first lifting appliance and the second lifting appliance are opposite) so that the modular stator is turned over by 180 degrees.

On the other hand, the second mounting hole on the modularization stator is connected with the first mounting hole on the connecting plate through the bolt and the nut, and the bolt connection process uses the torque wrench to carry out the fastening of the fixed torque in order of symmetry, ensures that the bolt is evenly stressed and is reliably connected, thereby realizing the fixed connection of the modularization stator and the connecting plate.

In another aspect, the openings for lifting the modular stator are respectively formed in the first supporting plate and the second supporting plate, so that a certain avoiding space can be provided for a lifting appliance and a connecting piece when the modular stator and the turnover device are installed.

In addition, the I-shaped lifting tool is used for lifting the modular stator, so that the lifting gravity center of the modular stator and the lifting gravity center of the modular stator are positioned on the same vertical line, and the stability of the lifting tool during independent lifting and lifting of the modular stator is ensured; the lifting rope or the lifting belt is connected with the lifting lug on the modularized stator through the turn buckle, the length of the lifting rope or the lifting belt can be adjusted by adopting the turn buckle connection, and the horizontality of the modularized stator during reverse lifting is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a structural diagram of a turning device for a stator of a modularized wind driven generator provided by the present invention;

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

FIG. 3 is a side view of FIG. 1;

fig. 4 is a top view of fig. 1.

Wherein: 1. a first support plate; 2. a second support plate; 3. a connecting plate; 4. a first connection portion; 5. a second connecting portion; 6. a first mounting hole; 7. a connecting member; 8. a modular stator.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the following claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.

Examples

Referring to fig. 1-4, the utility model provides a turnover device for a modularized wind driven generator stator, which comprises a device body, wherein the device body comprises a first supporting plate 1 and a second supporting plate 2 which are symmetrically arranged, and a connecting plate 3 is arranged between the first supporting plate 1 and the second supporting plate 2; the first supporting plate 1 is provided with a first connecting part 4, the first connecting part 4 is connected with a first lifting appliance through a connecting part 7, the second supporting plate 2 is provided with a second connecting part 5, and the second connecting part 5 is connected with a second lifting appliance through the connecting part 7; the connection plate 3 is provided with a plurality of first mounting holes 6 for mounting a modular stator 8.

Further, the first connecting portions 4 are a plurality of lifting lugs symmetrically arranged on the first supporting plate 1, and the second connecting portions 5 are a plurality of lifting lugs symmetrically arranged on the second supporting plate 2.

Further, the number of the first mounting holes 6 is ten, the ten first mounting holes 6 are symmetrically distributed on the connecting plate 3, every five mounting holes are in one group, and the first mounting holes 6 are arranged corresponding to the second mounting holes on the modular stator 8.

Further, the second mounting holes on the modular stator 8 and the first mounting holes 6 on the connecting plate 3 are fixedly connected with the modular stator 8 and the connecting plate 3 through bolts and nuts.

Further, first backup pad 1, second backup pad 2 are equipped with the opening that is used for handling modularization stator 8 respectively, when carrying out modularization stator 8 and turning device installation, can provide certain space of dodging for hoist, connecting piece 7.

Furthermore, modularization stator 8 accessible "worker" style of calligraphy hoist handling, "worker" style of calligraphy hoist are equipped with at least two sets of lugs, and the lug symmetric distribution is in the both ends of "worker" style of calligraphy hoist for equilibrium when guaranteeing the handling of modularization stator 8. Wherein, the one end center department of "worker" style of calligraphy hoist is equipped with a lug, and other end symmetric distribution has two lugs, adopts 3 points handling modularization stator 8, and the handling focus is located same plumb line with modularization stator 8's focus, guarantees the stationarity of hoist when hoist alone handling and to modularization stator 8 handling.

Further, the connecting member 7 is a strap or a lifting rope.

Furthermore, the lifting eyes are connected with lifting ropes or lifting straps, the lifting ropes or the lifting straps are connected with the lifting eyes on the modularized stator 8 through the turn-buckle, the length of the lifting ropes or the lifting straps can be adjusted through the connection mode of the turn-buckle, and the horizontality of the modularized stator 8 during forward/reverse lifting can be guaranteed.

Further, the side of the device body is of a C-shaped structure, the first supporting plate 1 is located at the top end of the C-shaped structure, and the second supporting plate 2 is located at the bottom end of the C-shaped structure. Due to the symmetrical C-shaped structure, the center of gravity of the modularized stator 8 and the whole turnover device after the turnover device is installed is located at the center of the turnover device, and the stability of the turnover process can be guaranteed.

To sum up, the utility model provides a this kind of a turning device for modularization aerogenerator stator, its specific working process is as follows:

firstly, hoisting the modular stator 8 to a C-shaped turnover device by using an I-shaped hoisting tool; secondly, connecting the modularized stator 8 with a connecting plate 3 of the C-shaped turnover device, specifically, fixedly connecting the modularized stator 8 with the connecting plate 3 through bolts and nuts, wherein a second mounting hole on the modularized stator 8 and a first mounting hole 6 on the connecting plate 3 are formed through bolts and nuts; then, a shackle is connected with a hanging strip of the double-hook hoisting travelling crane for hoisting and overturning through a first connecting part 4 (two hanging lugs) of a first supporting plate 1 (positioned at the top of the overturning device) and a second connecting part 5 (two hanging lugs) of a second supporting plate 2 (positioned at the bottom of the overturning device) of the C-shaped overturning device, the overturning device and the modular stator 8 are hoisted through the hanging lug at the top during overturning, and then the lower part is hoisted by using another hanging hook, so that the overturning device and the modular stator 8 are gradually overturned to be horizontal downwards and are continuously overturned to 180 degrees; and finally, putting down the turnover device together with the modular stator 8, and separating the turnover device from the modular stator 8 to complete 180-degree turnover of the modular stator 8 in the vertical direction. This turning device only uses the driving that has the double hook handling to make modularization stator 8 carry out 180 upsets at whole upset in-process, need not to drop into complicated upset machine of shifting.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A turnover device for a modularized wind driven generator stator comprises a device body, and is characterized in that the device body comprises a first support plate (1) and a second support plate (2) which are symmetrically arranged, and a connecting plate (3) is arranged between the first support plate (1) and the second support plate (2); the first supporting plate (1) is provided with a first connecting part (4), the first connecting part (4) is connected with a first lifting appliance through a connecting part (7), the second supporting plate (2) is provided with a second connecting part (5), and the second connecting part (5) is connected with a second lifting appliance through the connecting part (7); the connecting plate (3) is provided with a plurality of first mounting holes (6) for mounting a modular stator (8).

2. A turnover device as claimed in claim 1, characterized in that the first connecting portion (4) is a plurality of lifting lugs symmetrically arranged on the first support plate (1), and the second connecting portion (5) is a plurality of lifting lugs symmetrically arranged on the second support plate (2).

3. The turnover device of claim 1, wherein the number of the first mounting holes (6) is ten, the ten first mounting holes (6) are symmetrically distributed on the connecting plate (3), every five first mounting holes form a group, and the first mounting holes (6) are arranged corresponding to the second mounting holes on the modular stator (8).

4. The turnover device of claim 3, wherein the second mounting hole of the modular stator (8) and the first mounting hole (6) of the connecting plate (3) are fixedly connected through bolts and nuts to the modular stator (8) and the connecting plate (3).

5. A turnover device as claimed in claim 1, characterized in that the first support plate (1) and the second support plate (2) are provided with openings for lifting the modular stator (8), respectively.

6. The turnover device of claim 1, wherein the modular stator (8) can be lifted by an I-shaped lifting tool, the I-shaped lifting tool is provided with at least two groups of lifting lugs, and the lifting lugs are symmetrically distributed at two ends of the I-shaped lifting tool to ensure balance of the modular stator (8) during lifting.

7. A roundabout according to claim 6, characterized in that the connecting element (7) is a strap or a lifting rope.

8. A turn-over device according to claim 7, characterized in that the lifting eyes are connected to lifting ropes or straps, which are connected to lifting eyes on the modular stator (8) by means of turn-bolts.

9. The turnover device as claimed in claim 1, wherein the side of the device body is of a "C" type structure, the first support plate (1) is located at the top end of the "C" type structure, and the second support plate (2) is located at the bottom end of the "C" type structure.