CN218556773U

CN218556773U - Large-scale stator lamella side coil closing device

Info

Publication number: CN218556773U
Application number: CN202222016326.6U
Authority: CN
Inventors: 葛宏伟; 杨健; 黄诗进; 伊日格乐
Original assignee: Jiangsu CRRC Electric Co Ltd
Current assignee: Jiangsu CRRC Electric Co Ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-03-03
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a large-scale stator lamella side coil closing device relates to the wind power generation field. The novel stator pressing plate comprises a pressing plate main body and a base plate, wherein the base plate comprises a pressing plate base plate and a composite base plate, the pressing plate main body is detachably connected with a stator clack through the pressing plate base plate, the composite base plate comprises a side composite base plate, at least one side composite base plate is movably arranged between the pressing plate main body and a coil, and the side composite base plate is pressed through the side composite base plate to enable the coil to be compressed. The beneficial effects of the utility model reside in that: the stator lobe side coil pressing device is matched with the binding rope, the gap between the coil and the iron core is eliminated by adopting a mode of pressing firstly and then tensioning, the coil is prevented from deforming, and the failure rate of varnish-dipping insulation of the stator lobe is effectively reduced.

Description

Large-scale stator lamella side coil closing device

Technical Field

The utility model relates to a wind power generation field especially relates to a large-scale stator lamella side coil closing device.

Background

The stator petal type wind driven generator is a large direct-drive wind driven generator formed by assembling stator petals, and the direct-drive stator petal type wind driven generator has the advantages of easiness in transportation, small fault loss, convenience in maintenance and the like, but the manufacturing process is more complex than that of a common direct-drive wind driven generator, and the problem is more likely to occur in the manufacturing process, so the requirements of the stator petals on the manufacturing process are stricter, because the coil is longer in the manufacturing process and is easy to deform due to the reason of poor rigidity, gaps exist between the coil and the iron core due to the deformation of the coil, residual paint is caused to exist in the gaps after paint dipping, and is difficult to remove, so the side coils of the stator petals need to be compressed.

At present, in terms of the manufacturing process of the stator lobe in the wind power industry, no protection method adopted for the coil easy deformation is found, and therefore the inventor provides the application for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to among the prior art, a large-scale stator lamella side coil closing device, it has overcome foretell drawback, and the technical scheme of its adoption is as follows:

the utility model provides a large-scale stator lamella side coil closing device, includes clamp plate main part, backing plate, the backing plate includes clamp plate backing plate, compound backing plate, the clamp plate main part passes through the clamp plate backing plate can be dismantled with the stator lamella and be connected, compound backing plate includes the compound backing plate of side, the activity is provided with at least one between clamp plate main part and the coil the compound backing plate of side, it is right through the compound backing plate of side is exerted pressure, makes the coil compresses tightly.

Preferably, the pressing plate main body and the pressing plate base plate are provided with a plurality of corresponding bolt holes, the pressing plate base plate is connected with the pressing plate main body through bolts, the stator flap is also provided with bolt holes at corresponding positions, and the stator flap is connected with the pressing plate base plate through bolts.

Preferably, the platen body is "L" shaped.

Preferably, the composite backing plate is formed by steel backing plate and teflon backing plate complex, the composite backing plate still includes composite backing plate, go up composite backing plate and set up stator lamella upside with between the clamp plate main part, go up composite backing plate and include steel backing plate, go up teflon backing plate, the composite backing plate of side includes side steel backing plate, side teflon backing plate.

Preferably, during work, one side of the steel base plate of the composite base plate is connected with the pressing plate main body, and one side of the Teflon base plate of the composite base plate is in contact with the coil.

Preferably, the pressing plate main body is provided with a plurality of hexagon nuts, bolts press against the steel base plate through the hexagon nuts to enable the Teflon base plate on the other side to be in contact with the coil, the bolts are screwed continuously, and the composite base plate is pressed against the coil.

Preferably, the length and the width of the upper steel backing plate are the same as those of the upper Teflon backing plate, and the length and the width of the side steel backing plate are the same as those of the side Teflon backing plate.

Preferably, the pressing plate main body is further provided with a plurality of waist-shaped holes, a plurality of binding ropes are placed in the ventilating slots on the two sides of the stator flap, and knots of the binding ropes are located in the waist-shaped holes.

Preferably, the Teflon base plate is provided with an avoiding groove corresponding to the binding rope, and the depth of the avoiding groove is larger than the diameter of the binding rope.

Preferably, the binding rope is an insulating rope.

Preferably, the binding rope is a polyester rope.

Preferably, the hexagonal nut is a type 1 hexagonal nut.

The utility model discloses a large-scale stator lamella side coil closing device, the clamp plate main part passes through the clamp plate backing plate can be dismantled with the stator lamella and be connected, the activity is provided with at least one between clamp plate main part and the coil the compound backing plate of side, through right the compound backing plate of side is exerted pressure, makes the coil compresses tightly, still be provided with a plurality of waist shape hole in the clamp plate main part, a plurality of ligature ropes have been placed in the stator lamella both sides air groove, the knot of ligature rope is located the waist shape is downthehole.

The beneficial effects of the utility model reside in that: the stator segment side coil pressing device is matched with the binding rope, the gap between the coil and the iron core is eliminated in a mode of pressing firstly and then tensioning, the coil is prevented from deforming, and the failure rate of paint-dipping insulation of the stator segment is effectively reduced.

Drawings

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 discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a left side view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a plan view of the present invention.

Fig. 4 is a schematic diagram of the operation of the present invention.

In the figure: 1. the special iron core comprises a hexagon nut, 2, a pressing plate main body, 3, a pressing plate base plate, 4, an upper steel base plate, 5, an upper Teflon base plate, 6, a side steel base plate, 7, a side Teflon base plate, 8, a kidney-shaped hole, 9, a bolt hole, 10, a stator lobe, 11 and a coil.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by a person skilled in the art without creative efforts are within the scope of the present disclosure.

As shown in figures 1 to 4, the pressing device for the large-scale stator flap side coil of the invention comprises a pressing plate main body 2 and a base plate, wherein the pressing plate main body 2 is L-shaped, the base plate comprises a pressing plate base plate 3 and a composite base plate, a plurality of corresponding bolt holes 9 are arranged on the pressing plate main body 2 and the pressing plate base plate 3, the pressing plate base plate 3 is connected with the pressing plate main body 2 through bolts, the bolt holes 9 are also arranged at the corresponding positions of the stator flaps 10, the stator flaps 10 are detachably connected with the pressing plate base plate 3 through the bolts, the composite base plate comprises a side composite base plate, at least one side composite base plate is movably arranged between the pressing plate main body 2 and the coil 11, the side composite base plate is formed by compounding a steel base plate and a Teflon base plate, the composite base plate further comprises an upper composite base plate, the upper composite base plate comprises an upper steel base plate 4 and an upper Teflon base plate 5, the side composite backing plate comprises a side steel backing plate 6 and a side Teflon backing plate 7, wherein the length and the width of the upper steel backing plate 4 are the same as those of the upper Teflon backing plate 5, the length and the width of the side steel backing plate 6 are the same as those of the side Teflon backing plate 7, one side of the steel backing plate of the composite backing plate is connected with the pressing plate main body 2, one side of the Teflon backing plate of the composite backing plate is in contact with the coil 11, the pressing plate main body 2 is provided with a plurality of hexagon nuts 1, the hexagon nuts 1 are type 1 hexagon nuts, when the side composite backing plate is in work, the bolts support the steel backing plate through the hexagon nuts 1 to enable the Teflon backing plate at the other side to be in contact with the coil 11, the bolts are continuously screwed to tightly press the composite backing plate and the coil 11, and at the moment, the coil 11 can deform under the pressure action of the side composite backing plate, but go up and can prevent deformation under the effect of compound backing plate and take place, still be provided with a plurality of waist shape hole 8 on the clamp plate main part 2, a plurality of ripples rope of washing have been placed in the ventilation groove of 10 sides of stator lamella, the knot that washes ripples rope is located waist shape hole 8 is interior, special fluorine dragon backing plate corresponds it offers and dodges the groove to wash ripples rope department, it is greater than to dodge the groove depth wash ripples rope diameter.

The utility model discloses a theory of operation is:

this device need respectively set up one set in the left and right sides of stator lamella 10 when using, before this device of installation, need lay in stator lamella 10 both sides ventilation groove and wash ripples rope, when this device of installation, it is fixed with clamp plate main part 2 to be connected stator lamella 10 through the bolt, because clamp plate backing plate 3 has separated a clearance with clamp plate main part 2 with stator lamella 10, pack composite backing plate in the clearance, steel backing plate one side is towards clamp plate main part 2, teflon backing plate one side is towards stator lamella 10, the steel backing plate is used for bearing the power of screwing of bolt application above clamp plate main part 2, avoid teflon backing plate and bolt direct contact and produce the deformation, make teflon backing plate compress tightly coil 11 through screwing the bolt on clamp plate main part 2, coil 11 and iron core closely lean on together, the washing ripples rope that originally tightens up can loosen, the workman finds the knot of each section washing ripples rope through waist shape hole 8 on clamp plate main part 2 at this moment, manual will wash ripples rope and tighten up, reach the mesh of eliminating the clearance between coil 11 and the iron core, after the clearance is eliminated, can effectively prevent coil 11 from taking place deformation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a large-scale stator lamella side coil closing device which characterized in that: including clamp plate main part (2), backing plate, the backing plate includes clamp plate backing plate (3), compound backing plate, clamp plate main part (2) are passed through clamp plate backing plate (3) can be dismantled with stator lamella (10) and be connected, compound backing plate includes the compound backing plate of side, the activity is provided with at least one between clamp plate main part (2) and coil (11) the compound backing plate of side, through right the compound backing plate of side is exerted pressure, makes coil (11) compress tightly.

2. The large-scale stator lobe side coil compressing device according to claim 1, wherein: the pressing plate main body (2) is L-shaped.

3. The large-sized stator lobe side coil pressing device according to claim 2, wherein: the composite base plate further comprises an upper composite base plate, and the upper composite base plate is arranged between the upper side of the stator valve (10) and the pressing plate main body (2).

4. The large-scale stator lobe side coil compressing device according to claim 2, wherein: the pressing plate comprises a pressing plate main body (2), a plurality of bolt holes (9) corresponding to the pressing plate base plate (3) are formed in the pressing plate base plate (3), the pressing plate base plate (3) is connected with the pressing plate main body (2) through bolts, the bolt holes (9) are also formed in the corresponding positions of stator petals (10), and the stator petals (10) are connected with the pressing plate base plate (3) through the bolts.

5. The large-scale stator lobe side coil compressing device according to claim 3, wherein: the composite backing plate is formed by compounding a steel backing plate and a Teflon backing plate, the upper composite backing plate comprises an upper steel backing plate (4) and an upper Teflon backing plate (5), and the side composite backing plate comprises a side steel backing plate (6) and a side Teflon backing plate (7).

6. The large-scale stator lobe side coil pressing device according to claim 5, wherein: when the composite backing plate is in work, one side of the steel backing plate of the composite backing plate is connected with the pressing plate main body (2), and one side of the Teflon backing plate of the composite backing plate is in contact with the coil (11).

7. The large-sized stator lobe side coil pressing device according to claim 6, wherein: the pressure plate main body (2) is provided with a plurality of hexagon nuts (1), a bolt abuts against the steel base plate through the hexagon nuts (1) to enable the Teflon base plate on the other side to be in contact with the coil (11), the bolt is screwed continuously, and the composite base plate is compressed with the coil (11).

8. The large-scale stator lobe side coil compressing device according to claim 5, wherein: the length and the width of the upper steel backing plate (4) are the same as those of the upper Teflon backing plate (5), and the length and the width of the side steel backing plate (6) are the same as those of the side Teflon backing plate (7).

9. The large-scale stator lobe side coil compressing device according to claim 5, wherein: still be provided with a plurality of waist shape hole (8) on clamp plate main part (2), a plurality of ligature rope have been placed in stator lamella (10) both sides ventilation groove, the knot of ligature rope is located in waist shape hole (8).

10. The large-sized stator lobe side coil pressing device according to claim 9, wherein: the Teflon base plate is provided with an avoiding groove corresponding to the binding rope, and the depth of the avoiding groove is larger than the diameter of the binding rope.