CN110206889A - Large-scale power transmission sliding ring based on end face dynamic sealing - Google Patents
Large-scale power transmission sliding ring based on end face dynamic sealing Download PDFInfo
- Publication number
- CN110206889A CN110206889A CN201910439401.XA CN201910439401A CN110206889A CN 110206889 A CN110206889 A CN 110206889A CN 201910439401 A CN201910439401 A CN 201910439401A CN 110206889 A CN110206889 A CN 110206889A
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- CN
- China
- Prior art keywords
- dynamic
- bearing
- lid
- sealing cover
- seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 101
- 230000005540 biological transmission Effects 0.000 title claims abstract description 18
- 230000003068 static effect Effects 0.000 claims description 26
- 238000005868 electrolysis reaction Methods 0.000 claims description 22
- 239000012535 impurity Substances 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of large-scale power transmission sliding rings based on end face dynamic sealing, and first bearing sealing cover is arranged on first bearing inner ring, and the first labyrinth seat is arranged on first bearing sealing cover, are correspondingly arranged the first labyrinth lid in dynamic cover；First and second dynamic seal is set between first bearing outer ring and the opposite sliding surface of first bearing sealing cover, and the first, second dynamic seal is crimped with first bearing sealing cover；3rd bearing sealing cover is set on second bearing outer ring, 3rd bearing sealing cover is fixed with outer cylinder, and second bearing sealing cover is arranged on second bearing inner ring, and second bearing sealing cover and dynamic lid are fixed, second labyrinth seat is set on outer cylinder, is correspondingly arranged the second labyrinth lid in dynamic cover；Third and fourth dynamic seal is set between second bearing inner ring and the opposite sliding surface of 3rd bearing sealing cover, third and fourth dynamic seal is crimped with 3rd bearing sealing cover.This invention ensures that the convenience that the reliability and dynamic seal of dynamic sealing are installed, overhaul, dismantle.
Description
Technical field
The present invention relates to electric power slip ring fields, and in particular to a kind of large-scale power transmission sliding ring based on end face dynamic sealing.
Background technique
Existing electric slip ring dynamic sealing generally uses the outside framework oil seal pattern of axially mounted mode, i.e. oil sealing lip opening is along axis
To direction.This dynamic sealing pattern is suitble to use in range of small, and sealing effect is good, but difficult to install.When oil sealing diameter
When reaching 100mm or more, dynamic seal ring is just easily impaired so as to cause seal failure during the installation process.
207777426 U(applying date 2017.12.29 of Chinese patent CN) one kind is disclosed applied to large-scale power transmission sliding ring
The dynamic sealing device in field, the assembly dia are not less than 600mm, to avoid inside slip ring because " breathing " that pressure oscillation occurs is asked
Topic, dynamic seal are the dynamic sealing assembly of a pair of positive and negative installation, wherein the dynamic seal of formal dress due to lip it is opening down, peace
Dress process be easy to cause lip to damage；Upward, thrust needs to be applied to internal accumulation of energy bullet to the anti-dynamic seal lip filled when installation
On spring, it is easy to cause spring to be plastically deformed when thrust is excessive, lost its bounce.Therefore this dynamic sealing device is practical to dynamic
The installation requirement of sealing element is very high, and operates very unfriendly.After dynamic seal is installed simultaneously, it is not easy to observation and uses feelings
Condition carries out later period replacement.
Above-mentioned all difficult points can be solved perfectly in end face dynamic sealing.But since large scale relative motion end face is toppled
Influence is more serious, causes the decrement of end face dynamic seal circumferencial direction everywhere inconsistent, influences the sealing performance of dynamic seal
And service life, therefore end face dynamic sealing is seldom applied in large-sized engineering field.
Summary of the invention
It is an object of that present invention to provide a kind of large-scale power transmission sliding rings based on end face dynamic sealing.
The technical solution for realizing the aim of the invention is as follows: a kind of large-scale power transmission sliding ring based on end face dynamic sealing, including
Dynamic lid, central seat, first bearing, second bearing and outer cylinder, the first bearing inner ring are mounted in central seat, first axle
Bearing outer-ring is mounted on to move and cover, and the second bearing inner ring is mounted on to move and cover, and outer ring is mounted on outer cylinder.In first bearing
First bearing sealing cover is set on circle, the first labyrinth seat is set on the first bearing sealing cover, dynamic cover is correspondingly arranged
First labyrinth lid, the first labyrinth seat and the first labyrinth lid constitute the impurity safeguard structure between dynamic lid and central seat；?
First dynamic seal and the second dynamic seal be set between one bearing outer ring and the opposite sliding surface of first bearing sealing cover, described
One dynamic seal, the second dynamic seal are crimped with first bearing sealing cover, and the dynamic lid of realization is dynamic with central seat relative motion face
Sealing；3rd bearing sealing cover is set on second bearing outer ring, and the 3rd bearing sealing cover is fixed with outer cylinder, in the second axis
Setting second bearing sealing cover on inner ring is held, the second bearing sealing cover and dynamic lid are fixed, and the second labyrinth is arranged on outer cylinder
Seat, dynamic cover are correspondingly arranged the second labyrinth lid, and the second labyrinth seat and the second labyrinth lid are constituted between dynamic lid and outer cylinder
Impurity safeguard structure；Third dynamic seal, the are set between second bearing inner ring and the opposite sliding surface of 3rd bearing sealing cover
Four dynamic seals, the third dynamic seal, the 4th dynamic seal are crimped with 3rd bearing sealing cover, realize dynamic lid and outer cylinder phase
To the dynamic sealing of moving surface.
Compared with prior art, the present invention its remarkable advantage are as follows: the present invention not only can guarantee the reliability of dynamic sealing, but also can protect
Demonstrate,prove the convenience of installation, the maintenance, disassembling section of dynamic seal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the large-scale power transmission sliding ring movable sealing structure of the present invention.
Fig. 2 is the partial enlarged view of the large-scale power transmission sliding ring movable sealing structure of the present invention.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention program is further illustrated.
As shown in Figs. 1-2, large-scale power transmission sliding ring, including dynamic lid 1, central seat 2, first bearing 3, support frame 7, the second axis
8, outer cylinder 11, outer ring 29, inner ring 30 and pivoting support 31 are held, 3 inner ring of first bearing is mounted in central seat 2, and first
3 outer ring of bearing is mounted on dynamic lid 1；8 inner ring of second bearing is mounted on dynamic lid 1, and outer ring is mounted on outer cylinder 11.It is described
The top of support frame 7 is connect with the inner ring of second bearing 8, is connect at the top of the outer ring 29 with dynamic lid 1, during the inner ring 30 is mounted on
On heart pedestal 2,31 outer ring of pivoting support is mounted on 2 bottom of central seat, the inner ring and outer ring 29 of pivoting support 31, support
Frame 7 connects.
The convenience of installation, maintenance, the disassembly of dynamic sealing effect and dynamic seal in order to balance, the present invention is based on ends
Face dynamic sealing carries out following dynamic sealing design to large-scale electric slip ring and sets on 3 inner ring of first bearing on the basis of original structure
First bearing sealing cover 4 is set, the first labyrinth seat 5 is set on the first bearing sealing cover 4, the is correspondingly arranged on the dynamic lid 1
One labyrinth lid 6, the first labyrinth seat 5 and the first labyrinth lid 6 constitute the impurity safeguard structure between dynamic lid 1 and central seat 2, just
Step shields extraneous steam impurity and enters inside slip ring；Between 3 outer ring of first bearing and the opposite sliding surface of first bearing sealing cover 4
First dynamic seal 25 and the second dynamic seal 26, first dynamic seal 25, the second dynamic seal 26 and first axle are set
The crimping of sealing cover 4 is held, realizes the dynamic sealing of dynamic lid 1 and 2 relative motion face of central seat；Is arranged on 8 outer ring of second bearing
Three bearing seal covers 10, the 3rd bearing sealing cover 10 is fixed with outer cylinder 11, and second bearing is arranged on 8 inner ring of second bearing
Sealing cover 9, the second bearing sealing cover 9 is fixed with dynamic lid 1, is arranged the second labyrinth seat 12 on outer cylinder 11, on the dynamic lid 1
It is correspondingly arranged the first labyrinth lid 6, the impurity that the second labyrinth seat 12 and the second labyrinth lid 13 are constituted between dynamic lid 1 and outer cylinder 11 is anti-
Protection structure, the preliminary external world's steam impurity that shields enter inside slip ring；In the phase of second bearing 8 inner ring and 3rd bearing sealing cover 10
Between setting third dynamic seal 27, the 4th dynamic seal 28, the third dynamic seal 27, the 4th dynamic seal 28 sliding surface
It is crimped with 3rd bearing sealing cover 10, realizes the dynamic sealing of dynamic lid 1 and 11 relative motion face of outer cylinder.
Dynamic seal is the components of most critical, and structure and modes of emplacement directly affect the effect of dynamic sealing.About knot
Structure can use outside framework oil seal structure.It, can be by first about the placement location of first seal 25 and the second dynamic seal 26
The lip opening of dynamic seal 25 inwardly, preferably prevents slip ring built-in electrical insulation oil from leaking, by the lip of the second dynamic seal 26
Opening outwardly, preferably prevents slip ring extraneous gas, moisture from entering inside slip ring.About third sealing element 27 and the 4th dynamic sealing
The placement location of part 28, can by 27 lip of third dynamic seal be open inwardly, preferably prevent slip ring extraneous gas, moisture into
Enter inside slip ring, 28 lip of the 4th dynamic seal opening outwardly, preferably prevents slip ring built-in electrical insulation oil from leaking.
In order to promote the overall tightness of slip ring, some embodiments also contemplate the static seal of slip ring, add the first ~ the
11 static seals 14 ~ 24, wherein on the electrolysis of the centrally disposed pedestal 2 of the first static seal 14 and the first labyrinth seat 5, institute
The centrally disposed pedestal 2 of the second static seal 15 is stated on the electrolysis of 3 inner ring of first bearing, the third static seal 16 is set
It sets on the electrolysis of 3 inner ring of first bearing and first bearing sealing cover 4, the 4th static seal 17 is arranged in first bearing
On the electrolysis of 3 outer rings and dynamic lid 1；5th static seal 18 is arranged on the electrolysis of dynamic lid 1 and the first labyrinth lid 6；
6th static seal 19 is arranged on the electrolysis of 8 inner ring of second bearing and second bearing sealing cover 9；Described 7th is quiet close
Sealing 20 is arranged on the electrolysis of second bearing sealing cover 9 and dynamic lid 1；8th static seal 21 setting in dynamic lid 1 and
On the electrolysis of second labyrinth lid 13；The electrolysis of outer cylinder 11 and the second labyrinth seat 12 is arranged in 9th static seal 22
On；Tenth static seal 23 is arranged on the electrolysis of 8 outer ring of second bearing and 3rd bearing sealing cover 10；Described tenth
One static seal 24 is arranged on the electrolysis of 3rd bearing sealing cover 10 and outer cylinder 11.For these static seals, can adopt
With O-ring seal structure, can also be adjusted according to performance requirement.
Working principle: in slip ring rotation process, moving lid 1 and drive 3 outer ring of first bearing and the rotation of 8 inner ring of second bearing, with
First bearing sealing cover 4 and 3rd bearing sealing cover 10 realize opposite sliding, are realized by first to fourth dynamic seal 25 ~ 28
The sealing problem in slip ring relative motion face during rotation.
The present invention overcomes traditionally end face seal not can solve sealing surface end jump topple problem technology it is inclined
See, end face seal pattern is applied to this large-sized engineering practice field for the first time, standby spy is to be applied to large-scale power transmission sliding ring
Field.Using this end face dynamic sealing form, dynamic seal is directly placed in installation conduit, easy for installation, avoids tradition
Dynamic seal is easy the problem directly damaged, later period maintenance and replacement occur in installation process in sealing means (radial seal)
Become very easy.
Simultaneously because dynamic seal is directly installed on bearing, and bearing is that end-play is adjusted by pellet, axis
Very little can be accomplished by holding the offset of Internal and external cycle in the axial direction, therefore can guarantee dynamic seal by the high rotating accuracy of bearing
Circumference everywhere on decrement it is consistent, realize the homogeneous compaction of dynamic seal, it is ensured that the sealing reliability and mill of dynamic seal
Damage uniformity.
Claims (7)
1. a kind of large-scale power transmission sliding ring based on end face dynamic sealing, including dynamic lid (1), central seat (2), first bearing (3), the
Two bearings (8) and outer cylinder (11), first bearing (3) inner ring are mounted on central seat (2), first bearing (3) outer ring peace
On dynamic lid (1), second bearing (8) inner ring is mounted on dynamic lid (1), and outer ring is mounted on outer cylinder (11), feature
It is, first bearing sealing cover (4) is set on first bearing (3) inner ring, is arranged first on the first bearing sealing cover (4)
Labyrinth seat (5) is correspondingly arranged the first labyrinth lid (6), first labyrinth (5) and the first labyrinth lid (6) on the dynamic lid (1)
Constitute the impurity safeguard structure between dynamic lid (1) and central seat (2)；In first bearing (3) outer ring and first bearing sealing cover (4)
Opposite sliding surface between the first dynamic seal (25) and the second dynamic seal (26), first dynamic seal (25), are set
Two dynamic seals (26) are crimped with first bearing sealing cover (4), and the dynamic lid (1) of realization is dynamic with central seat (2) relative motion face
Sealing；3rd bearing sealing cover (10) are set on second bearing (8) outer ring, the 3rd bearing sealing cover (10) and outer cylinder
(11) fixed, second bearing sealing cover (9) are set on second bearing (8) inner ring, the second bearing sealing cover (9) and dynamic lid
(1) fixed, the second labyrinth seat (12) is set on outer cylinder (11), is correspondingly arranged the second labyrinth lid (13), institute on the dynamic lid (1)
It states the second labyrinth seat (12) and the second labyrinth lid (13) constitutes the dynamic impurity safeguard structure covered between (1) and outer cylinder (11)；Second
Third dynamic seal (27), the 4th dynamic sealing are set between bearing (8) inner ring and the opposite sliding surface of 3rd bearing sealing cover (10)
Part (28), the third dynamic seal (27), the 4th dynamic seal (28) are crimped with 3rd bearing sealing cover (10), realize dynamic lid
(1) with the dynamic sealing in outer cylinder (11) relative motion face.
2. the large-scale power transmission sliding ring according to claim 1 based on end face dynamic sealing, which is characterized in that described the first ~ the
Four dynamic seals (25 ~ 28) use outside framework oil seal structure.
3. the large-scale power transmission sliding ring according to claim 1 based on end face dynamic sealing, which is characterized in that described first move it is close
Inwardly, the lip opening of second dynamic seal (26) is outwardly for the lip opening of sealing (25).
4. the large-scale power transmission sliding ring according to claim 1 based on end face dynamic sealing, which is characterized in that wherein third is moved close
Sealing (27) lip is open inwardly, and the 4th dynamic seal (28) the lip opening is outwardly.
5. the large-scale power transmission sliding ring according to claim 1 based on end face dynamic sealing, which is characterized in that further include support frame
(7), outer ring (29), inner ring (30) and pivoting support (31) are wherein connect at the top of support frame (7) with the inner ring of second bearing (8),
It is connect at the top of the outer ring (29) with dynamic lid (1), the inner ring (30) is mounted on central seat (2), the pivoting support
(31) outer ring is mounted on central seat (2) bottom, and the inner ring of pivoting support (31) is connect with outer ring (29), support frame (7).
6. the large-scale power transmission sliding ring according to claim 1 based on end face dynamic sealing, which is characterized in that further include first ~
11st static seal (14 ~ 24), wherein the first static seal (14) centrally disposed pedestal (2) and the first labyrinth seat (5)
On electrolysis, on the electrolysis of the centrally disposed pedestal of second static seal (15) (2) and first bearing (3) inner ring, institute
It states third static seal (16) to be arranged on the electrolysis of first bearing (3) inner ring Yu first bearing sealing cover (4), the described 4th
Static seal (17) setting is on the electrolysis of first bearing (3) outer ring and dynamic lid (1)；5th static seal (18) setting
On the electrolysis of dynamic lid (1) and the first labyrinth lid (6)；6th static seal (19) is arranged in second bearing (8) inner ring
On the electrolysis of second bearing sealing cover (9)；7th static seal (20) setting is second bearing sealing cover (9) and dynamic
It covers on the electrolysis of (1)；8th static seal (21) setting is on the electrolysis of dynamic lid (1) and the second labyrinth lid (13)；
9th static seal (22) setting is on the electrolysis of outer cylinder (11) and the second labyrinth seat (12)；Tenth static seal
(23) it is arranged on the electrolysis of second bearing (8) outer ring and 3rd bearing sealing cover (10)；11st static seal
(24) it is arranged on the electrolysis of 3rd bearing sealing cover (10) and outer cylinder (11).
7. the large-scale power transmission sliding ring according to claim 6 based on end face dynamic sealing, which is characterized in that described the first ~ the
11 static seals (14 ~ 24) use O-ring seal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439401.XA CN110206889B (en) | 2019-05-24 | 2019-05-24 | Large-scale transmission slip ring based on end face dynamic seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439401.XA CN110206889B (en) | 2019-05-24 | 2019-05-24 | Large-scale transmission slip ring based on end face dynamic seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110206889A true CN110206889A (en) | 2019-09-06 |
| CN110206889B CN110206889B (en) | 2024-06-07 |
Family
ID=67788546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910439401.XA Active CN110206889B (en) | 2019-05-24 | 2019-05-24 | Large-scale transmission slip ring based on end face dynamic seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110206889B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382883A (en) * | 2022-01-17 | 2022-04-22 | 扬州海通电子科技有限公司 | Electric slip ring modular sealing assembly, testing device and testing method |
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| CN114382883A (en) * | 2022-01-17 | 2022-04-22 | 扬州海通电子科技有限公司 | Electric slip ring modular sealing assembly, testing device and testing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110206889B (en) | 2024-06-07 |
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