CN212381028U - Turbo generator barring motor oil blanket subassembly and turbo generator barring motor - Google Patents
Turbo generator barring motor oil blanket subassembly and turbo generator barring motor Download PDFInfo
- Publication number
- CN212381028U CN212381028U CN202021092547.6U CN202021092547U CN212381028U CN 212381028 U CN212381028 U CN 212381028U CN 202021092547 U CN202021092547 U CN 202021092547U CN 212381028 U CN212381028 U CN 212381028U
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- Prior art keywords
- sealing ring
- conical
- barring motor
- barring
- sealing
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- 239000010705 motor oil Substances 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 230000036316 preload Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 239000010687 lubricating oil Substances 0.000 abstract description 8
- 239000012466 permeate Substances 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a turbo generator barring motor oil blanket subassembly, include: the base disc is recessed towards the center of the end face of the barring motor body to form a tapered groove, and the base disc is recessed towards the end face of the barring motor body to form a mounting groove; the first conical sealing ring is matched with the conical groove; the pressing sheet is attached to one end, protruding out of the base disc, of the conical first sealing ring; the second sealing ring is embedded into the mounting groove; and the bolt is used for applying pre-tightening pressure towards the barring motor body to the pressing sheet and the conical first sealing ring. The utility model utilizes the pressing sheet to press tightly one end of the conical first sealing ring which protrudes out of the base plate, and applies pretightening force to the conical first sealing ring, so that the conical first sealing ring can be tightly attached to the motor main shaft, and the sealing performance is improved; the second sealing ring is embedded into the mounting groove to realize the second layer sealing, so that the sealing effect is further improved, the sealing performance is improved, and the motor damage caused by the fact that lubricating oil permeates into the motor is avoided.
Description
Technical Field
The utility model relates to a turbine generator accessory especially relates to a turbine generator barring motor oil blanket subassembly.
Background
Turbo generator set need start the barring operation after the shut down at the steam turbine is opened a floodgate, by barring drive steam turbine rotor slow rotation, in the actual production, when the oil leak appears in the gear box that is used for connecting barring and motor, the lubricating oil that spills in the gear box enters into the inside of motor along the pivot of motor easily, thereby can make the motor appear the phenomenon of damage because of the infiltration lubricating oil, in order to avoid lubricating oil to permeate the motor, the way commonly used at present is at the front end installation oil blanket end cover of motor, singly adopt a sealing washer to seal between the pivot of oil blanket end cover and motor, thereby there is the poor shortcoming of oil removal effect, thereby still lubricating oil can make and permeate inside the motor, and then still can cause the damage of motor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a turbo generator barring motor oil blanket subassembly can play good sealed effect to the barring motor.
According to the utility model discloses a turbo generator barring motor oil seal subassembly of first aspect embodiment, include: the base disc is recessed towards the center of the end face of the barring motor body to form a tapered groove, and the base disc is recessed towards the end face of the barring motor body to form a mounting groove; the conical first sealing ring is matched with the conical groove, is partially embedded into the conical groove and protrudes out of the end face of the base plate; the pressing sheet is attached to one end, protruding out of the base disc, of the conical first sealing ring; the second sealing ring is embedded into the mounting groove; and the bolt is used for penetrating through the pressing sheet and the base disc to be in threaded connection with the turning motor body and applying pre-tightening pressure towards the turning motor body to the pressing sheet and the conical first sealing ring.
According to the utility model discloses turbo generator barring motor oil blanket subassembly has following technological effect at least: the first layer of sealing is realized through the matching of the conical groove and the conical first sealing ring, the pressing sheet is tightly pressed at one end of the conical first sealing ring protruding out of the base disc, the pre-tightening force is applied to the conical first sealing ring, the conical first sealing ring is extruded to the conical groove, and the conical first sealing ring can be tightly attached to the motor spindle through the oblique action of the conical surface, so that the sealing performance is improved; the second sealing ring is embedded into the mounting groove to realize the second layer sealing, so that the sealing effect is further improved, the sealing performance is improved, and the motor damage caused by the fact that lubricating oil permeates into the motor is avoided.
According to the utility model discloses a some embodiments, the preforming is equipped with first locating column towards the extension of basal disc, the basal disc correspondence is equipped with and supplies first locating column male first locating hole.
According to some embodiments of the utility model, the terminal surface of base plate back to preforming is equipped with the second reference column that extends outwards.
According to some embodiments of the invention, the second sealing ring is an X-shaped sealing ring.
According to the utility model discloses a some embodiments still include elasticity pretension piece, in the embedding mounting groove for exert elasticity pretightning force to the second sealing washer.
According to some embodiments of the invention, the elastic preload member comprises two spaced apart connection plates and a spring sandwiched between the two connection plates.
According to some embodiments of the utility model, still include the quad ring, imbed the mounting groove in, just the elasticity pretension piece is located between quad ring and the second sealing washer.
According to some embodiments of the invention, the insert ring is a rubber seal ring.
According to the utility model discloses a turbo generator barring motor of second aspect embodiment, including barring motor body and turbo generator barring motor oil blanket subassembly.
According to the utility model discloses turbo generator barring motor has following technological effect at least: the motor spindle is well sealed, lubricating oil is prevented from permeating into the motor, the motor is well protected, and the service life of the motor is prolonged.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a sectional view of an assembled state of an embodiment of a turbine generator barring motor oil seal assembly;
FIG. 2 is a schematic diagram of an exploded view of an embodiment of a turbine generator barring motor oil seal assembly;
FIG. 3 is an enlarged view taken at A of FIG. 1;
FIG. 4 is a schematic structural diagram of an embodiment of a turbine generator barring electrical machine.
Reference numerals:
the base plate 100, the tapered groove 110, the mounting groove 120, the first positioning hole 130, the second positioning column 140, and the second through hole 150;
a tapered first seal ring 200;
the pressing sheet 300, the first positioning column 310 and the first through hole 320;
a second seal ring 400, a bolt 500, and a ring 600;
a turning motor body 800 and a motor spindle 810.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the utility model discloses a turbo generator barring motor oil seal assembly, including base plate 100, the first sealing washer 200 of toper, preforming 300, second sealing washer 400 and bolt 500.
The end surface of the base disc 100, which is opposite to the barring motor body 800, is concavely provided with a tapered groove 110, and the end surface of the base disc 100, which is opposite to the barring motor body 800, is concavely provided with a mounting groove 120; the conical first sealing ring 200 is matched with the conical groove 110, namely the outer peripheral conical surface of the conical first sealing ring 200 is matched with the conical surface of the conical groove 110, and the conical first sealing ring 200 is partially embedded into the conical groove 110 and protrudes out of the end surface of the base plate 100; the pressing sheet 300 is attached to one end of the conical first sealing ring 200 protruding out of the base disc 100, namely, the pressing sheet 300 is pressed and attached to the right end of the conical first sealing ring 200; the second sealing ring 400 is embedded in the mounting groove 120; the bolt 500 is used for penetrating through the pressing sheet 300 and the base plate 100 to be in threaded connection with the barring motor body 800 and applying a pre-tightening pressure to the pressing sheet 300 and the tapered first sealing ring 200 towards the barring motor body 800.
The utility model provides a turbo generator barring motor oil seal subassembly realizes that the first layer is sealed through the cooperation of conical groove 110 and toper first sealing washer 200, and utilizes preforming 300 to compress tightly at the one end that toper first sealing washer 200 protrudes basal disc 100, exerts the pretightning force to toper first sealing washer 200, makes toper first sealing washer 200 extrude to conical groove 110, through the slant effect of conical surface, makes toper first sealing washer 200 can tightly laminate with the motor spindle, improves sealing performance; the second sealing ring 400 is embedded into the mounting groove to realize the second layer sealing, so that the sealing effect is further improved, the sealing performance is improved, and the motor damage caused by the fact that lubricating oil permeates into the motor is avoided.
In some embodiments of the utility model, the preforming 300 extends towards the basal disc 100 and is equipped with first locating post 310, and the basal disc 100 corresponds and is equipped with the first locating hole 130 that supplies first locating post 310 male, realizes the spacing cooperation of preforming 300 and basal disc 100 through the cooperation of first locating post 310 and first locating hole 130, and first locating post 310 is equipped with many pairs with first locating hole 130 usually for preforming 300 and basal disc 100 only have axial motion's degree of freedom.
In some embodiments of the present invention, the end surface of the base plate 100 facing away from the pressing sheet 300 is provided with the second positioning column 140 extending outwards. As shown in fig. 4, the second positioning column 140 is inserted into the barring motor body 800 to position the base disc 100 and the barring motor body 800.
In some embodiments of the present invention, the second sealing ring 400 is an X-shaped sealing ring, and plays a good sealing effect on the motor main shaft 810 through the X-shaped sealing ring.
The utility model discloses an in some embodiments, still include elasticity preload piece 700, in the embedding mounting groove 120 for exert the elasticity pretightning force to second sealing washer 400, with the sealed effect that improves second sealing washer 400 and motor spindle 810.
In some embodiments of the present invention, the elastic preload member 700 comprises two connection plates 710 disposed at an interval and a spring 720 disposed between the two connection plates 710, so that the force applied to the two ends of the spring 720 is uniform.
The utility model discloses an in some embodiments, still include the ring 600, in the ring 600 embedding mounting groove 120, and elasticity preload piece 700 is located between ring 600 and second sealing washer 400, and ring 600 one end contacts with barring motor body 800 and is impressed by it in mounting groove 120, and one end compresses elasticity preload piece 700, makes its energy storage, can continue to exert the elasticity pretightning force to second sealing washer 400, guarantees long-term good sealed effect.
In order to further improve the sealing effect, the insert ring 600 is a rubber sealing ring, so that the insert ring 600 also has the sealing effect, and the sealing effect is further improved. Of course, the second seal ring 400 and the tapered first seal ring 200 may be made of rubber.
The utility model also provides a turbo generator barring motor, including barring motor body 800 and above-mentioned turbo generator barring motor oil blanket subassembly.
It is understood that the base plate 100, the tapered first sealing ring 200, the pressing plate 300, the second sealing ring 400, the insert ring 600, and the elastic preload member 700 are all provided with a central hole for the motor spindle 810 to pass through. As shown in fig. 4, the bolt 500 is threadedly coupled to the barring motor body 800 through the pressure plate 300 and the base plate 100, and applies a pre-tightening pressure to the pressure plate 300 and the tapered first seal ring 200 toward the barring motor body 800. Specifically, the pressing plate 300 is provided with a first through hole 320 corresponding to the bolt 500 for passing therethrough, and the base plate 100 is provided with a second through hole 150 corresponding to the bolt 500 for passing therethrough.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. The utility model provides a turbo generator barring motor oil seal subassembly for motor spindle (810) on barring motor body (800) are located to the cover, its characterized in that includes:
the base disc (100) is recessed towards the center of the end face of the barring motor body (800) to form a tapered groove (110), and is recessed towards the end face of the barring motor body (800) to form a mounting groove (120);
the conical first sealing ring (200) is matched with the conical groove (110), is partially embedded in the conical groove (110) and protrudes out of the end face of the base disc (100);
the pressing sheet (300) is attached to one end, protruding out of the base disc (100), of the conical first sealing ring (200);
the second sealing ring (400) is embedded into the mounting groove (120);
and the bolt (500) is used for penetrating through the pressing sheet (300) and the base disc (100) to be in threaded connection with the turning motor body (800) and exerting pre-tightening pressure towards the turning motor body (800) on the pressing sheet (300) and the conical first sealing ring (200).
2. The turbine generator barring motor oil seal assembly of claim 1, wherein: the pressing sheet (300) extends towards the base plate (100) and is provided with a first positioning column (310), and the base plate (100) is correspondingly provided with a first positioning hole (130) for the first positioning column (310) to be inserted into.
3. The turbine generator barring motor oil seal assembly of claim 1 or 2, wherein: and a second positioning column (140) extending outwards is arranged on the end face, back to the pressing sheet (300), of the base disc (100).
4. The turbine generator barring motor oil seal assembly of claim 1, wherein: the second sealing ring (400) is an X-shaped sealing ring.
5. The turbine generator barring motor oil seal assembly of claim 4 wherein: the sealing device further comprises an elastic pre-tightening piece (700) which is embedded into the mounting groove (120) and used for applying elastic pre-tightening force to the second sealing ring (400).
6. The turbine generator barring motor oil seal assembly of claim 5 wherein: the elastic preload piece (700) comprises two connecting plates (710) arranged at intervals and a spring (720) clamped between the two connecting plates (710).
7. The turbine generator barring motor oil seal assembly of claim 5 or 6 wherein: the sealing device further comprises a clamping ring (600) embedded in the mounting groove (120), and the elastic preload piece (700) is located between the clamping ring (600) and the second sealing ring (400).
8. The turbine generator barring motor oil seal assembly of claim 7 wherein: the embedded ring (600) is a rubber sealing ring.
9. The utility model provides a turbo generator barring motor which characterized in that: comprising a barring motor body (800) and a turbine generator barring motor oil seal assembly according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021092547.6U CN212381028U (en) | 2020-06-12 | 2020-06-12 | Turbo generator barring motor oil blanket subassembly and turbo generator barring motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021092547.6U CN212381028U (en) | 2020-06-12 | 2020-06-12 | Turbo generator barring motor oil blanket subassembly and turbo generator barring motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212381028U true CN212381028U (en) | 2021-01-19 |
Family
ID=74162541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021092547.6U Active CN212381028U (en) | 2020-06-12 | 2020-06-12 | Turbo generator barring motor oil blanket subassembly and turbo generator barring motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212381028U (en) |
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2020
- 2020-06-12 CN CN202021092547.6U patent/CN212381028U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The utility model relates to an oil seal assembly of a turning motor of a turbo generator and a turning motor of a turbo generator Effective date of registration: 20210518 Granted publication date: 20210119 Pledgee: Huarong Bank of Xiangjiang Limited by Share Ltd. Changsha branch Pledgor: CHANGSHA XIANGRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2021430000013 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230505 Granted publication date: 20210119 Pledgee: Huarong Bank of Xiangjiang Limited by Share Ltd. Changsha branch Pledgor: CHANGSHA XIANGRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2021430000013 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A turbine generator turning motor oil seal component and a turbine generator turning motor Effective date of registration: 20230518 Granted publication date: 20210119 Pledgee: Bank of Hunan Co.,Ltd. Changsha Branch Pledgor: CHANGSHA XIANGRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2023980041050 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210119 Pledgee: Bank of Hunan Co.,Ltd. Changsha Branch Pledgor: CHANGSHA XIANGRUI HEAVY INDUSTRY Co.,Ltd. Registration number: Y2023980041050 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |