CN214590862U

CN214590862U - Organic glass window for generator stator winding and outlet cover cooling water system

Info

Publication number: CN214590862U
Application number: CN202023338101.XU
Authority: CN
Inventors: 孙军; 高少辉; 刘文方; 薛玉辉; 王永江; 朱涛; 洪波; 钱平
Original assignee: China Sinogy Electric Engineering Co Ltd
Current assignee: China Sinogy Electric Engineering Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-11-02
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the technical field of generator accessories, in particular to an organic glass window for a generator stator winding and a wire outlet cover cooling water system, which comprises a window body and a flange, wherein the whole window body is of a cylindrical structure, bosses are respectively arranged on the upper side and the lower side of the window body, the boss on the upper side is connected with the flange, and the boss on the lower side is connected with an engine body; the whole window body is made of organic glass material, a water delivery hole is arranged in the middle of the window body, the water delivery hole is communicated with the water outlet end of the cooling water system, and a through hole is formed in the flange and communicated with the water delivery hole in an aligned mode; the window body is provided with a mounting hole, the flange is correspondingly provided with a screw hole, the generator body is correspondingly provided with a bolt hole, and the screw hole, the mounting hole and the bolt hole are mutually aligned and fixedly connected through a bolt; the utility model provides a window through the area of contact who reduces with the flange, increases sealed face, effectively improves sealed effect, safe and reliable.

Description

Organic glass window for generator stator winding and outlet cover cooling water system

Technical Field

The utility model relates to a generator accessory technical field specifically is a generator stator winding and be qualified for next round of competitions organic glass window for cover cooling water system.

Background

Generally, a stator of the steam turbine generator unit, a cooling water collecting pipe of the wire outlet cover and an external cooling water system pipeline are connected through an organic glass window, and the steam turbine generator unit is specifically composed of an organic glass window, a polytetrafluoroethylene insulating pad, an insulating sleeve, a short circuit piece, a fixing bolt and the like. The generator stator and the cooling water of the wire outlet cover are connected with the cooling water system through an organic glass window, so that the water flow condition can be observed, and the generator stator coil and the hand-wrapped insulation can be subjected to special tests.

But the leakage of the sealing surface occurs during the test to cause unqualified test, and further the crack damage phenomenon of the organic glass window is caused by fastening.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a generator stator winding and be qualified for next round of competitions organic glass window for cover cooling water system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an organic glass window for a generator stator winding and outlet cover cooling water system comprises a window body and flanges, wherein the window body is integrally of a cylindrical structure, cylindrical bosses are arranged on the upper side and the lower side of the window body respectively, the boss on the upper side is connected with the flanges, and the boss on the lower side is connected with a machine body of an engine; the whole window body is made of organic glass material, a water delivery hole is arranged at the middle position of the window body, the water delivery hole is communicated with the water outlet end of a cooling water system of the machine body in an aligned mode, and a through hole is formed in the flange and communicated with the water delivery hole in an aligned mode; the window body is provided with a mounting hole, the flange is correspondingly provided with a screw hole, the machine body is correspondingly provided with a bolt hole, and the screw hole, the mounting hole and the bolt hole are aligned with each other and fixedly connected through bolts.

Preferably, gaskets are arranged between the boss and the flange and between the boss and the machine body, and the gaskets are made of polytetrafluoroethylene materials.

Preferably, boss tip is provided with the chucking spare of round platform form, correspond on the gasket and be provided with the chucking groove of round platform form, chucking spare and the mutual joint in chucking groove.

Preferably, the surface of the clamping piece is provided with a closed sealing line, and the surface of the clamping piece outside the sealing line is provided with a positioning pin; the locating pin is of a hemispherical structure, and a locating groove is arranged in the clamping groove in a matched mode.

Preferably, an insulating sleeve is arranged in the mounting hole, the insulating sleeve is made of insulating materials, two ends of the insulating sleeve are clamped at two ends of the mounting hole respectively, and the bolt penetrates through the insulating sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the window provided by the utility model increases the sealing surface by reducing the contact area with the flange, thereby effectively improving the sealing effect; the connection is ensured not to be leaked, and the device has the advantages of safety, reliability, economy, reasonability, convenience in overhaul, test and the like; and the whole cost is low, and the popularization is easy.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the window body of the present invention;

reference numbers in the figures: 1. a window body; 2. a boss; 3. a water delivery hole; 4. mounting holes; 5. a retainer; 6. a seal line; 7. positioning pins; 8. a body; 9. an insulating sleeve; 10. a flange; 11. a gasket; 12. bolt holes.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: an organic glass window for a generator stator winding and outlet cover cooling water system comprises a window body 1 and a flange 10, wherein the window body 1 is integrally of a cylindrical structure, cylindrical bosses 2 are respectively arranged on the upper side and the lower side of the window body 1, the boss 2 on the upper side is connected with the flange 10, and the boss 2 on the lower side is connected with a machine body 8 of an engine; the whole window body 1 is made of organic glass material, a water delivery hole 3 is arranged at the middle position of the window body 1, the water delivery hole 3 is communicated with the water outlet end of a cooling water system of the machine body 8 in an aligned mode, and a through hole communicated with the water delivery hole in an aligned mode is arranged on the flange 10; the window body 1 is provided with a mounting hole 4, a flange 10 is correspondingly provided with a screw hole, a machine body 8 is correspondingly provided with a bolt hole 12, and the screw hole, the mounting hole 4 and the bolt hole 12 are mutually aligned and fixedly connected through bolts.

Further, gaskets 11 are arranged between the boss 2 and the flange 10 and between the boss 2 and the machine body 8, and the gaskets 11 are made of polytetrafluoroethylene materials.

Further, 2 tip of boss are provided with chucking spare 5 of round platform form, the chucking groove that corresponds on the gasket 11 and be provided with the round platform form, chucking spare 5 and the mutual joint in chucking groove.

Further, a closed sealing line 6 is arranged on the surface of the clamping piece 5, and a positioning pin 7 is arranged on the surface of the clamping piece 5 outside the sealing line 6; the positioning pin 7 is of a hemispherical structure, and a positioning groove is arranged in the clamping groove in a matched mode.

Further, an insulating sleeve 9 is arranged in the mounting hole 4, the insulating sleeve 9 is made of an insulating material, two ends of the insulating sleeve 9 are respectively clamped at two ends of the mounting hole 4, and a bolt penetrates through the insulating sleeve 9.

The working principle is as follows: in practical application, the arrangement of the bosses 2 at the upper end and the lower end of the window body 1 reduces the contact area with the flange 10 or the machine body 12, and increases the sealing surface, thereby effectively improving the sealing effect; meanwhile, a gasket 11 is arranged between the boss 2 and the flange 10 and between the boss and the machine body 12, so that the sealing performance is further improved, the problem that the bolts are damaged due to mutual extrusion when being screwed down is avoided, and a certain buffer protection effect is achieved.

The boss 2 is provided with a clamping piece 5 in a circular truncated cone shape, the clamping piece 5 is clamped with a corresponding clamping groove on the gasket 11, and the clamping piece 5 and the corresponding clamping groove are continuously attached in the bolt tightening process; the sealing line 6 is arranged, so that the sealing performance is improved to a certain extent. The positioning pin 7 is arranged to be aligned with the positioning groove, so that the direction of the window body 1 can be conveniently arranged, and the screw hole, the mounting hole 4 and the bolt hole 12 can be conveniently aligned with each other to be fixed through a bolt; and the positioning pin 7 is hemispherical, so that the positioning pin can be conveniently aligned and clamped with the positioning groove. An insulating sleeve 9 is arranged in the mounting hole 4, and through the arrangement of the insulating sleeve 9, the conduction and the electric leakage of the bolt are avoided; similarly, the gasket 11 is made of teflon and has insulating property.

After the machine body 12, the window body 1 and the flange 10 are aligned, the water outlet end of the cooling water system is connected with the water delivery hole 3 and the through hole, so that the smoothness of water flow is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a generator stator winding and be qualified for next round of competitions organic glass window for cover cooling water system which characterized in that: the window comprises a window body (1) and a flange (10), wherein the window body (1) is integrally of a cylindrical structure, cylindrical bosses (2) are respectively arranged on the upper side and the lower side of the window body (1), the boss (2) on the upper side is connected with the flange (10), and the boss (2) on the lower side is connected with a machine body (8) of an engine; the whole window body (1) is made of organic glass materials, a water delivery hole (3) is formed in the middle of the window body (1), the water delivery hole (3) is communicated with the water outlet end of a cooling water system of the machine body (8) in an aligned mode, and a through hole is formed in the flange (10) and communicated with the water delivery hole in an aligned mode; the window is characterized in that a mounting hole (4) is formed in the window body (1), a screw hole is correspondingly formed in the flange (10), a bolt hole (12) is correspondingly formed in the machine body (8), and the screw hole, the mounting hole (4) and the bolt hole (12) are aligned with each other and fixedly connected through bolts.

2. The organic glass window for the stator winding and outlet cover cooling water system of the generator as claimed in claim 1, wherein: gaskets (11) are arranged between the boss (2) and the flange (10) and between the boss (2) and the machine body (8), and the gaskets (11) are made of polytetrafluoroethylene materials.

3. The organic glass window for the stator winding and outlet cover cooling water system of the generator as claimed in claim 2, wherein: boss (2) tip is provided with chucking spare (5) of round platform form, correspond the chucking groove that is provided with the round platform form on gasket (11), chucking spare (5) and the mutual joint in chucking groove.

4. The organic glass window for the stator winding and outlet cover cooling water system of the generator as claimed in claim 3, wherein: a closed sealing line (6) is arranged on the surface of the clamping piece (5), and a positioning pin (7) is arranged on the surface of the clamping piece (5) outside the sealing line (6); the positioning pin (7) is of a hemispherical structure, and a positioning groove is arranged in the clamping groove in a matched mode.

5. The organic glass window for the stator winding and outlet cover cooling water system of the generator as claimed in claim 1, wherein: an insulating sleeve (9) is arranged in the mounting hole (4), the insulating sleeve (9) is made of insulating materials, two ends of the insulating sleeve (9) are clamped at two ends of the mounting hole (4) respectively, and the bolt penetrates through the insulating sleeve (9).