CN220711212U - Maintenance end shield for generator - Google Patents

Abstract

The utility model discloses a maintenance end shield of a generator, which comprises a shield body, wherein the shield body is of a semicircular structure, and a yielding groove is formed in the shield body; bolt holes are formed in the port of the abdication groove and the position, close to the upper end, of the cover body, and are used for connecting a generator to be protected. The cover body disclosed by the utility model is fixed at the outer end cover of the generator through the bolt hole, is matched with the internal structure of the generator, has high shielding tightness and high fixing stability, does not generate the phenomenon of uneven shielding or falling of the cover body, does not need a worker to ascend to hang a shielding object, does not influence other operations of the generator, and has higher safety.

Description

Maintenance end shield for generator

Technical Field

The utility model belongs to the technical field of maintenance protection of generators, and relates to a maintenance end shield of a generator.

Background

The operation of drawing out and penetrating through the rotor of the generator can be carried out, the inner end cover and the outer end cover of the generator are removed, the inside of the generator is exposed outside, and because no reliable shielding object is used for protection, shutdown is very easy to occur or foreign matters fall into the bore when the end cover is overhauled outside, particularly when the operation is knocked, the rotor of the turbine disk is carried out, broken or tool metal and other foreign matters are ejected into iron wire locking plates in the bore of the generator, and sundries such as tools and tools fall into the bore and cannot be taken out, so that equipment damage even tripping is caused. The existing shielding mode is to shield the canvas through hanging outside the end cover, but the canvas shields many defects and hidden troubles, firstly, the steps of collecting are more, the defects that sticky dirt and sticky sundries fall into the bore exist, secondly, the canvas shields heavy, the middle of the canvas sags and falls off, is easy to tear and shields unevenly, and the canvas shields and needs to climb up, the hidden trouble that a single person climbs up and pulls and adjusts to hang, the hidden trouble that falls occurs exists, and the hidden trouble that the rotor of the generator is rolled exists when the rotor of the generator is coiled again.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, when the inside of a generator is shielded, no proper shielding object exists, the shielding effect of the existing shielding method is poor, and the hidden danger of operation exists, and provides a generator overhaul end shield.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

the end shield for overhauling the generator is characterized by comprising a shield body, wherein the shield body is of a semicircular structure, and a yielding groove is formed in the shield body;

bolt holes are formed in the port of the abdication groove and the position, close to the upper end, of the cover body, and are used for connecting a generator to be protected.

The utility model further improves that:

the cover body is also provided with a flexible cover body.

The edge of the bolt hole cover body close to the upper end of the cover body is arranged at intervals.

The bolt holes of the port of the abdication groove are formed along the edge of the abdication groove at intervals.

The abdication groove is of a semicircular structure.

The cover body is provided with a handle.

The handles are arranged at intervals.

The cover body is made of transparent light materials.

The flexible cover body is made of polypropylene waterproof cloth.

The lower end of the cover body is also provided with a supporting plate.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model discloses a maintenance end shield of a generator, which is based on an end cover of the generator and an internal structure to form a shield body structure, wherein the shield body is used for protecting an outer end cover of the generator, a yielding groove is formed in the shield body, the yielding groove can yield parts in the generator, interference between the shield body and the parts in the generator is avoided when the shield body is installed, the shield body is fixed at the outer end cover of the generator through a bolt hole and is matched with the inner structure of the generator, the shielding tightness is high, a hard isolation effect is formed, the fixation stability is high, the phenomenon of shielding irregularity or the falling of the shield body is avoided, workers are not required to ascend to hang a shielding object, other operations of the generator are not influenced, and the safety is higher.

Furthermore, in the utility model, the flexible cover body is also arranged on the cover body, and after the generator is pulled out of the rotor, the flexible cover body can protect the middle space position and can completely prevent external foreign matters from entering the inside by being matched with the cover body.

Furthermore, in the utility model, the bolt holes are formed at intervals along the edge of the generator, so that the connection stability is improved.

Furthermore, in the utility model, the lifting handle is arranged on the cover body, so that an impetus is provided for mounting and dismounting, and the cover body is convenient to carry and mount.

Furthermore, in the utility model, the cover body is made of a transparent light material, and can be used for test protection observation when being observed inside.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

wherein: 1-a cover body; 2-a yielding groove; 3-bolt holes; 4-lifting handles; 5-support plate

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "horizontal," "inner," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the term "horizontal" if present does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model is described in further detail below with reference to the attached drawing figures:

referring to fig. 1, the embodiment of the utility model discloses a maintenance end shield of a generator, which is mainly applied to an outer end cover of the generator and is proposed by combining field actual operation conditions according to the internal structure of the generator and the outer end cover as cores.

The size and structure of the protective cover disclosed by the embodiment of the utility model are based on the large end cover of the generator, the protective cover comprises two parts, namely a cover body and a flexible cover body, the cover body and the flexible cover body are of a detachable structure, the protective cover can be used for two protection modes of a rotor in a bore and outside the bore, the protective cover is only required to be installed for protection before the rotor is drawn, the flexible cover body can be hung on the cover body 1 at the middle vacated position after the rotor is drawn, the flexible cover body falls to the bottom, external foreign matters are completely prevented from entering the bore, and the connection mode can be a convenient hook.

Specifically, the structure of the embodiment of the utility model is as follows:

example 1

The end shield for overhauling the generator comprises a shield body, wherein the shield body is of a semicircular structure, and a yielding groove 2 is formed in the shield body 1; bolt holes 3 are formed in the port of the abdication groove 2 and the position, close to the upper end, of the cover body 1, and the bolt holes 3 are used for connecting a generator to be protected.

Example 2

Furthermore, in this embodiment, on the basis of embodiment 1, a flexible cover body is added on the cover body 1, after the rotor of the generator is drawn out, the middle of the generator is free from position, at this time, the flexible cover body is hung on the cover body 1, the flexible cover body is matched with the cover body 1, the outer end cover of the generator is completely covered from top to bottom, and external foreign matters are prevented from entering the generator.

Further, in the embodiment of the utility model, when the cover body is connected with the end cover joint surface of the generator, the bolt holes 3 correspond to the bolt holes on the end cover joint surface of the generator, the cover body and the generator are fixed through the bolts, at the moment, the part of the bolts exceeding the cover body 1 can be used as a seat force point, and the flexible cover body is hung on the structure of the cover body 1 with more bolts.

Furthermore, in the embodiment of the utility model, the flexible cover body can be hung on the cover body with the assistance of other external hooks.

Further, in the embodiment of the utility model, the flexible cover body is polypropylene waterproof cloth, or other polypropylene waterproof cloth with flexibility and corrosion resistance is selected.

Further, in the embodiment of the utility model, the cover body 1 and the abdication groove 2 are both in semicircular structures, the structures correspond to the structure of the outer end cover of the generator, and the abdication groove 2 is arranged at the lower end of the cover body 1.

Further, in the embodiment of the utility model, the support plate 5 is arranged at the lower end of the cover body 1, the bolt hole for connection is arranged on the support plate 5, and when only the upper end cover of the outer end cover is detached, the support plate 5 at the lower end of the cover body 1 is connected with the lower end cover of the outer end cover in a matched manner, so that protection is formed.

Further, in the embodiment of the present utility model, the support plates 5 are located at two sides of the yielding groove 2.

Further, in the embodiment of the present utility model, a plurality of bolt holes 3 near the edge of the cover 1 are formed at intervals along the edge structure of the cover 1.

Further, in the embodiment of the present utility model, the bolt hole near the port of the relief groove 2 is formed along the circumferential direction of the relief groove 2 structure.

Further, in the embodiment of the present utility model, two handles 4 are further connected to the cover body, the handles 4 are distributed at intervals, and the handles 4 are located above the abdication groove 2 and on the side wall of the cover body 1.

Furthermore, in the embodiment of the utility model, the cover body 1 is made of PET, is made of transparent material, can be used for observing the inside through the cover, can be used for experimental protection observation, has light weight and proper rigidity and toughness, and is made of flexible and corrosion-resistant polypropylene waterproof cloth.

Furthermore, in the embodiment of the utility model, the semicircular shape of the cover body 1 is similar to that of the outer end cover, the semicircular holes 3 and the lifting positions of the handles 4 are all arranged with reference to the outer end cover, so that the upper semicircular area can be covered, the upper semicircular area can be covered on the rotating shaft, and foreign matters can be effectively prevented from falling into the rotating shaft.

The embodiment of the utility model has good fitting property, overcomes the hidden trouble that the original canvas is covered unevenly and loose and falls off after installation, more effectively isolates the foreign matters falling into the bore of the generator during blocking operation, overcomes the defects that the original canvas is easy to break, adhere greasy dirt and adhere sundries when being pulled, can be fixed by using original bolts after being carried and placed by two persons, and overcomes the hidden trouble that the original canvas is blocked and needs to be pulled by a person to adjust the suspension.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The maintenance end shield of the generator is characterized by comprising a shield body, wherein the shield body is of a semicircular structure, and a yielding groove (2) is formed in the shield body (1);

bolt holes (3) are formed in the positions, close to the upper end, of the port of the abdication groove (2) and the positions, close to the upper end, of the cover body (1), and the bolt holes (3) are used for connecting a generator to be protected.

2. A generator service end shield according to claim 1, characterized in that a flexible cover is also provided on the cover (1).

3. The maintenance end shield of a generator according to claim 1, wherein the bolt holes (3) near the upper end of the shield body (1) are formed at intervals on the edge of the shield body (1).

4. The generator service end shield according to claim 1, wherein the bolt holes (3) of the port of the relief groove (2) are spaced along the edge of the relief groove.

5. A generator service end shield according to claim 1, characterized in that the relief groove (2) is of semi-circular configuration.

6. A generator service end shield according to claim 1, characterized in that the housing (1) is provided with a handle (4).

7. The generator service end shield of claim 6 wherein said handles are spaced apart by two.

8. A generator service end shield according to claim 6, characterized in that the material of the shield body (1) is a transparent light material.

9. The generator service end shield of claim 2 wherein said flexible cover is made of polypropylene tarpaulin.

10. A generator service end shield according to claim 6, characterized in that the lower end of the shield body (1) is further provided with a support plate (5).