CN208433842U - A kind of air-resistance type hydrogen cooled generator inner grease retainer - Google Patents
A kind of air-resistance type hydrogen cooled generator inner grease retainer Download PDFInfo
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- CN208433842U CN208433842U CN201821290270.0U CN201821290270U CN208433842U CN 208433842 U CN208433842 U CN 208433842U CN 201821290270 U CN201821290270 U CN 201821290270U CN 208433842 U CN208433842 U CN 208433842U
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- oil catch
- air
- resistance type
- type hydrogen
- cooled generator
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Abstract
The utility model discloses a kind of air-resistance type hydrogen cooled generator inner grease retainers, including oil catch body, contact inner ring, spring leaf, oil catch tooth, the oil catch body includes two parts up and down being fixedly connected, oil return hole, several small air inlet holes, grading ring shape room are provided in the oil catch body, grading ring shape room two sides are respectively arranged at least one circle contact inner ring, are provided with the spring leaf above the contact inner ring；It is provided with hole on generator end wall, air inlet pipe is connected on the hole, the air inlet pipe is connected on grading ring shape room, and grading ring shape room is connected to by the small air inlet hole with interior room.The air-resistance type hydrogen cooled generator inner grease retainer of the utility model uses the seal form that air-resistance type, contact and comb-tooth-type are grouped together, and leakproofness greatly improves, and effectively reduces the risk of oil leak.
Description
Technical field
The utility model relates to combined type vapour lock oil catch field more particularly to a kind of air-resistance type hydrogen cooled generator inner grease retainers.
Background technique
Existing oil catch mostly uses comb structure or contact oil seal structure, sealing effect all to can not achieve lubricating oil
Zero leakage, because of the factor of generator cooling fan, lubricating oil can enter generator, time one by existing oil catch
Long, the lubricating oil of leakage can corrode generator coil, cause turn-to-turn short circuit, endanger normal safety in production.
Utility model content
The purpose of the utility model is to provide a kind of air-resistance type hydrogen cooled generator inner grease retainers, solve the independent comb teeth of the prior art
Or contact oil seal sealing structure is poor, the problem of generator coil can be corroded after oil leak, cause turn-to-turn short circuit.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of air-resistance type hydrogen cooled generator inner grease retainer of the utility model, including oil catch body, contact inner ring, spring leaf, oil catch
Tooth, the oil catch body include two parts up and down being fixedly connected, and it is small that oil return hole, several air inlets are provided in the oil catch body
Hole, grading ring shape room, grading ring shape room two sides are respectively arranged at least one circle contact inner ring, the contact inner ring
Top is provided with the spring leaf；It is provided with hole on generator end wall, air inlet pipe, the air inlet pipe connection are connected on the hole
Onto grading ring shape room, grading ring shape room is connected to by the small air inlet hole with interior room.
Further, the oil catch tooth is mounted on the oil catch body by mosaic texture, and the tip of the oil catch tooth
Carry out chamfering.
Further, at least one circle oil catch tooth is provided on the oil catch body.
Further, the oil catch tooth uses brass tooth.
Further, the contact inner ring is mounted on the oil catch body by the spring leaf and set screw.
Further, at least one circle contact inner ring is provided on the oil catch body.
Further, the contact inner ring uses nonmetallic composite.
Further, the oil catch body is bolted on bearing housing by connection.
Further, the oil catch body and the bearing housing are using insulation connection, including felt pad and insulation sleeve.
Further, the air inlet pipe uses nonmetallic materials；The spring leaf is stainless steel spring.
Compared with prior art, the advantageous effects of the utility model: generator rotation axis in operation or start and stop
It can vibrate, it is concentric with rotation axis always since the effect contact inner ring of spring leaf is moved radially with rotation axis, so both
It ensure that the seal clearance of contact inner ring and rotation axis, while preventing contact inner ring and rotation axis friction again, prevent in contact
Ring sealing material is damaged；Positive pressure hydrogen is sent into grading ring shape by hole on generator end wall and air inlet pipe by air supply source
Then room is blown out simultaneously by several small air inlet holes, can make to lubricate by the hydrogen of grading ring shape room and small air inlet hole
Oil temperature reduces, and will not influence the normal work of rotation axis, moreover it is possible to uniformly act on rotation axis surface and form gas wall, reach
The purpose for preventing oil leak, the lubricating oil being blocked return in bearing housing through return port.The air-resistance type hydrogen of the utility model
Cold generator inner grease retainer uses the seal form that air-resistance type, contact and comb-tooth-type are grouped together, and leakproofness mentions significantly
Height effectively reduces the risk of oil leak.
Detailed description of the invention
The utility model is described in further detail for explanation with reference to the accompanying drawing.
Fig. 1 is the utility model air-resistance type hydrogen cooled generator inner grease retainer cross-sectional view；
Description of symbols: 1, bearing housing；2, bolt is connected；3, oil catch body；4, spring leaf；5, inner ring is contacted；6, it rotates
Axis；7, oil catch tooth；8, small air inlet hole；9, grading ring shape room；10, oil return hole；11, hole；12, generator end wall；13, generator wind
Fan；14, air inlet pipe；15, interior room.
Specific embodiment
As shown in Figure 1, a kind of air-resistance type hydrogen cooled generator inner grease retainer, including oil catch body 3, contact inner ring 5, spring leaf 4, oil
Tooth 7 is kept off, the oil catch body 3 includes two parts up and down for being fixedly connected, and oil return hole 10, several is provided in the oil catch body 3
Small air inlet hole 8, grading ring shape room 9,9 two sides of grading ring shape room are respectively arranged at least one circle contact inner ring 5, described
The top of contact inner ring 5 is provided with the spring leaf 4；Hole 11 is provided on generator end wall 12, be connected on the hole 11 into
Tracheae 14, the air inlet pipe 14 are connected on grading ring shape room 9, grading ring shape room 9 by the small air inlet hole 8 with
Interior room 15 is connected to, and the interior room 15 is cavity and the non-contact connection of rotation axis, by grading ring shape room 9 and small air inlet hole 8 and outside
Boundary's connection, to form air-resistance type sealing.
The oil catch tooth 7 is mounted on the oil catch body 3 by mosaic texture, and the tip of the oil catch tooth 7 is fallen
Angle is provided at least one circle oil catch tooth 7 on the oil catch body 3, and oil catch tooth described in the present embodiment 7 is provided with two circles, also
More multi-turn can be set, and the inner peripheral surface of oil catch tooth 7 and the outer peripheral surface of rotation axis 6 fit closely to form comb-tooth-type sealing；It is described
Brass tooth specifically can be used in oil catch tooth 7.
The contact inner ring 5 is mounted on the oil catch body 3 by the spring leaf 4 and set screw, the oil catch body 3
On be provided at least one circle contact inner ring 5, inner ring 5 is contacted described in the present embodiment and is provided with three circles, can also be according to need
The circle number of contact inner ring is adjusted, the contact inner ring 5 uses nonmetallic composite, contacts an end face and the rotation of inner ring
The outer peripheral surface of axis 6 fits closely to form contact seal.
The oil catch body 3 is connected on bearing housing 1 by connecting bolt 2, and the oil catch body 3 and the bearing housing 1 use
Insulation connection, including felt pad and insulation sleeve.
The air inlet pipe 14 uses nonmetallic materials；The spring leaf 4 is stainless steel spring.
The action process of the utility model is as follows:
Firstly, generator rotation axis 6 in operation or start and stop can be vibrated, effect of the contact inner ring 5 in spring leaf 4
Under can radially bounce back or it is radial hold out against, it is concentric with rotation axis 6 always to contact inner ring 5 under the action of spring leaf 4 in this way, in this way
Not only it ensure that the seal clearance of contact inner ring 5 and rotation axis 6, but also contact inner ring 5 and rotation axis 6 prevented to rub, prevent
Contact 5 sealing material of inner ring is damaged, and positive pressure hydrogen is entered and pressed by hole 11 on generator end wall and air inlet pipe 14
Doughnut 9, grading ring shape room 9 are a closed annular compartment, grading ring shape room 9 its main feature is that: the sealing effect of gas is good, nothing
Leakage point, grading ring shape room lower section are provided with small air inlet hole 8, by the entrance of the air of grading ring shape room 9 and small air inlet hole 8
In room 15 not only the temperature of lubricating oil can reduce but also will not influence the normal work of rotation axis, moreover it is possible to uniformly act on rotation
Axis surface forms gas wall and forms air-resistance type sealing, achievees the purpose that prevent oil leak, the lubricating oil being blocked is through return port
10 return in bearing housing 1.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to the utility model
Range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are practical new to this
The various changes and improvements that the technical solution of type is made should all fall into the protection scope that the utility model claims book determines
It is interior.
Claims (10)
1. a kind of air-resistance type hydrogen cooled generator inner grease retainer, it is characterised in that: including oil catch body (3), contact inner ring (5), spring leaf
(4), oil catch tooth (7), the oil catch body (3) include two parts up and down being fixedly connected, and are provided with back in the oil catch body (3)
Oilhole (10), several small air inlet holes (8), grading ring shape room (9), grading ring shape room (9) two sides are respectively arranged at least one
The contact inner ring (5) is enclosed, is provided with the spring leaf (4) above the contact inner ring (5)；Generator end wall is set on (12)
It is equipped with hole (11), is connected with air inlet pipe (14) on the hole (11), the air inlet pipe (14) is connected to grading ring shape room (9)
On, grading ring shape room (9) is connected to by the small air inlet hole (8) with interior room (15).
2. air-resistance type hydrogen cooled generator inner grease retainer according to claim 1, it is characterised in that: the oil catch tooth (7) passes through
Mosaic texture is mounted on the oil catch body (3), and the tip of the oil catch tooth (7) carries out chamfering.
3. air-resistance type hydrogen cooled generator inner grease retainer according to claim 2, it is characterised in that: set on the oil catch body (3)
It is equipped at least one circle oil catch tooth (7).
4. air-resistance type hydrogen cooled generator inner grease retainer according to claim 3, it is characterised in that: the oil catch tooth (7) uses
Brass tooth.
5. air-resistance type hydrogen cooled generator inner grease retainer according to claim 1, it is characterised in that: the contact inner ring (5) is logical
It crosses the spring leaf (4) and set screw is mounted on the oil catch body (3).
6. air-resistance type hydrogen cooled generator inner grease retainer according to claim 5, it is characterised in that: set on the oil catch body (3)
It is equipped at least one circle contact inner ring (5).
7. air-resistance type hydrogen cooled generator inner grease retainer according to claim 6, it is characterised in that: the contact inner ring (5) is adopted
Use nonmetallic composite.
8. air-resistance type hydrogen cooled generator inner grease retainer according to claim 1, it is characterised in that: the oil catch body (3) passes through
Connection bolt (2) is connected on bearing housing (1).
9. air-resistance type hydrogen cooled generator inner grease retainer according to claim 8, it is characterised in that: the oil catch body (3) and institute
It states bearing housing (1) to connect using insulation, felt pad is provided in the gasket of connection bolt (2), connection bolt (2)
Insulation sleeve is provided in the outer matching hole with the oil catch body (3) of bar.
10. air-resistance type hydrogen cooled generator inner grease retainer according to claim 1, it is characterised in that: the air inlet pipe (14) is adopted
Use nonmetallic materials；The spring leaf (4) is stainless steel spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821290270.0U CN208433842U (en) | 2018-08-10 | 2018-08-10 | A kind of air-resistance type hydrogen cooled generator inner grease retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821290270.0U CN208433842U (en) | 2018-08-10 | 2018-08-10 | A kind of air-resistance type hydrogen cooled generator inner grease retainer |
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| Publication Number | Publication Date |
|---|---|
| CN208433842U true CN208433842U (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821290270.0U Active CN208433842U (en) | 2018-08-10 | 2018-08-10 | A kind of air-resistance type hydrogen cooled generator inner grease retainer |
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| CN (1) | CN208433842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098689A (en) * | 2019-06-22 | 2019-08-06 | 陈路阳 | A kind of electric motor end cap assembly and motor |
-
2018
- 2018-08-10 CN CN201821290270.0U patent/CN208433842U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098689A (en) * | 2019-06-22 | 2019-08-06 | 陈路阳 | A kind of electric motor end cap assembly and motor |
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