CN206637039U - End face sealing oil distributor - Google Patents
End face sealing oil distributor Download PDFInfo
- Publication number
- CN206637039U CN206637039U CN201720412386.6U CN201720412386U CN206637039U CN 206637039 U CN206637039 U CN 206637039U CN 201720412386 U CN201720412386 U CN 201720412386U CN 206637039 U CN206637039 U CN 206637039U
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- China
- Prior art keywords
- disk
- oil
- rotating ring
- gap
- face seal
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- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 239000003921 oil Substances 0.000 claims abstract description 84
- 230000003068 static effect Effects 0.000 claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 14
- 241000283216 Phocidae Species 0.000 claims description 16
- 230000009286 beneficial effect Effects 0.000 claims description 9
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 239000000446 fuel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Joints Allowing Movement (AREA)
Abstract
The utility model discloses an end face sealing oil distributor, which comprises a rotating ring and a static ring component, wherein the rotating ring is at least fixed along the circumferential direction and sleeved outside a rotating main shaft, the static ring component is sleeved outside the rotating ring, the rotating ring is provided with an oil duct I which is used for being communicated with an oil inlet of the excircle of the rotating main shaft, the static ring component is provided with an oil duct II which is communicated with the oil duct I, and an end face sealing gap I is formed between the rotating ring and the static ring component along the axial direction; the end face sealing gap I is formed on the two end faces of the movable ring respectively, the width of the end face sealing gap I is reasonably set, the movable ring can smoothly rotate relative to the static ring assembly and is in gap sealing, meanwhile, the centrifugal sealing is formed due to the fact that the direction of centrifugal force is opposite to the flow direction of hydraulic oil, the rotating speed is higher, the sealing effect is better, the oil distributor is suitable for high-rotating-speed oil distribution, a sealing surface is a plane, machining and repairing are easy, meanwhile, the sealing performance is irrelevant to the length of the oil distributor, and the whole structure is guaranteed to be compact.
Description
Technical field
It the utility model is related to field of sealing technology, and in particular to a kind of end face seal oil distributor.
Background technology
Oil distributor is mainly used in parts fuel feeding, and rotates oil distributor and carry out fuel feeding for rotating parts, for example is coal
The oild chuck class unit head fuel feeding of ore deposit hydraulic drill rig, in the prior art, and rotates oil distributor and is arranged in an oil storage tank, make
It is big to obtain oil storage tank monnolithic case axial length dimension, causes oil storage tank casting difficulty big, the Leakage Energy increase of rotation oil distributor
The crude oil pressure of oil storage tank, when turn oil distributor sealing effectiveness it is poor when, cause that fuel reserve tank sealing requirements are higher, and tank wall is strong
Degree requires higher；Existing rotation oil distributor mainly matches somebody with somebody oil jacket technology using circumferential seal：The hydraulic oil that oil filter comes out passes through
Send what wick pipe, gap be coated at live spindle to reach live spindle oil supply pipe with oil jacket, in the course of work, live spindle is done
Rotary motion and outer round surface is provided with oil inlet, it is motionless with oil jacket, entered using live spindle with the seal clearance between matching somebody with somebody oil jacket
Row opposing seal, complete hydraulic oil and flow to live spindle passage.And this structure is easily caused in high rotating speed, high oil pressure and high oil temperature
When, when seal clearance is larger, sealing is poor, and hydraulic fluid leak is big, and when seal clearance is smaller, it is easily caused and is revolved with oil jacket locking
Turn main shaft, meanwhile, with oil jacket draw ratio between 0.9-1.1, then lengthen on sealing property influence less, be unfavorable for highly dense sealed knot
The formation of structure, and it is strict with oil jacket and live spindle clearance requirement, it is unfavorable for processing and prepares and repair, interchangeability is poor；And
It is also longer with oil jacket to ensure sealing when live spindle is relatively large in diameter, cause huge structure, be not suitable for major diameter rotation
Turn main shaft, and the high-abrasive material different from live spindle is used with oil jacket, cause the thermal expansion system with oil jacket and live spindle
Number is different, causes sealing effectiveness bad.
Therefore, to solve problem above, it is necessary to a kind of end face seal oil distributor, after oil distributor assembling can be effectively improved
Sealing, oily, easy to process and reparation is matched somebody with somebody suitable for high rotating speed, and it is compact-sized.
Utility model content
In view of this, the purpose of this utility model is the defects of overcoming in the prior art, there is provided end face seal oil distributor, energy
The sealing after oil distributor assembling is enough effectively improved, oily, easy to process and reparation is matched somebody with somebody suitable for high rotating speed, and it is compact-sized.
End face seal oil distributor of the present utility model, including at least circumferentially fixed jacket in live spindle rotating ring and
Gap is coated at the static components of rotating ring, and the rotating ring is provided with the oil duct I connected for the oil inlet cylindrical with live spindle, institute
State static components and be provided with the oil duct II connected with oil duct I, end face seal is axially formed between the rotating ring and static components
Gap I.
Further, gap coordinates between the rotating ring and live spindle and rotating ring is axially movable relative to live spindle and set
Put, at least two sealing ring I for being respectively in oil inlet both sides vertically are provided between the live spindle and rotating ring.
Further, the static components include the stationary ring and two dish for being located at stationary ring both ends respectively that gap is coated at rotating ring
Piece I, the end face seal gap I, the stationary ring and disk I are formed between the end face of the disk I and the end face of rotating ring along axle
Sealing ring II is provided between.
Further, two disk I outer face is respectively arranged with the disk II, the disk II for being circumferentially fixed on rotating ring
End face and disk I end face between form the end face seal gap II that is connected with end face seal gap I.
Further, the equal gap overcoats of two disk II are provided with the disk III fixed relative to disk I, the stationary ring group
Part also includes the disk IV positioned at disk II and disk III outer faces simultaneously, and end face is formed between the disk IV and disk III
Seal clearance III, be respectively arranged between the disk I and disk III between disk IV and disk III sealing ring III and
Sealing ring IV.
Further, the cylindrical concave shape radially inward of the rotating ring circularizes oil-feed tank, and the import of the oil duct I is located at
The bottom land of the annular oil-feed tank；The sidewall thickness of annular oil-feed tank is provided for sharp after hydraulic oil pressure exceedes preset value
Pressure be axially formed to annular oil-feed tank with hydraulic oil make the side wall of annular oil-feed tank that elastic deformation occur axially outward
And realize self sealss.
Further, the rotating ring is axially disposed through hole.
Further, the end face seal gap I, end face seal gap II and/or end face seal gap III end face side wall
It is provided with the blind hole or/and groove beneficial to oil film generation.
Further, realize that circumferentially driving coordinates by axially disposed flat key between the rotating ring and live spindle
Further, both sides extend to form the interior extension set for being placed on disk I, two disks the rotating ring radially inner side vertically
II respectively positioned at the outer end of two extension sets, positioned at two disk II outer ends is respectively arranged with gap, and to be coated at live spindle cylindrical
Axial restraint piece, a fixing bolt front end sequentially passes through vertically passes through screw thread after axial restraint piece and disk II with extension set
Coordinate, extension set and the disk II vertically between and disk II and axial restraint piece sealing ring V is provided between vertically
With sealing VI.
The beneficial effects of the utility model are：A kind of end face seal oil distributor, passes through rotating ring disclosed in the utility model
Both ends of the surface form end face seal gap I respectively, rationally set end face seal gap I width, ensure rotating ring relative to stationary ring group
Part can smooth rotation and clearance seal, simultaneously because the direction of centrifugal force with hydraulic oil flow direction on the contrary, form centrifugal seal, turn
Speed is higher, and sealing effectiveness is better, and suitable for high rotating speed with oil, and sealing surface is plane, easy to process and reparation, meanwhile, it is close
It is unrelated with the length of oil distributor to seal row performance, ensures that total is compact, suitable for major diameter live spindle.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, as illustrated, the end face seal oil distributor in the present embodiment；Including
At least circumferentially fixed jacket is coated at the static components of rotating ring 2 in the rotating ring 2 of live spindle 1 and gap, and the rotating ring 2 is set
Have for the oil duct I3 to be connected in the cylindrical oil inlet of live spindle 1, the static components are provided with to be connected with oil duct I3
Oil duct II4, end face seal gap I is axially formed between the rotating ring 2 and static components；The static components are led in rotation
Axle 1 and rotating ring 2 are static when rotating, and oil inlet passage 5 are provided with the live spindle 1, the oil duct I3 can be along the radial direction of rotating ring 2
Arrange and circumferentially arranged to be multiple, the hydraulic oil that oil filter comes out is directly entered the oil duct II4 in static components, certain rotating ring
2 it is cylindrical with static components radially between form radial clearance, and the both ends of the surface of rotating ring 2 form end face seal gap I respectively, close
Reason sets end face seal gap I width, ensure rotating ring 2 relative to static components can smooth rotation and clearance seal, while by
In the direction of centrifugal force with the flow direction of hydraulic oil on the contrary, forming centrifugal seal, rotating speed is higher, and sealing effectiveness is better, suitable for height
Rotating speed is with oil, and sealing surface is plane, easy to process and reparation, meanwhile, sealing row performance is unrelated with the length of oil distributor, protects
It is compact to demonstrate,prove total.
In the present embodiment, gap coordinates between the rotating ring 2 and live spindle 1 and rotating ring 2 can axle relative to live spindle 1
Set to mobile, at least two sealings for being respectively in oil inlet both sides vertically are provided between the live spindle 1 and rotating ring 2
Enclose I；Certainly, the movement of rotating ring 2 vertically is micro movement, and the sealing ring I can be rubber seal, and the rotating ring 2 is also accepted
The rotary motion of live spindle 1, using micro radial clearance, the bounce in realizing axial movement or rotating, realize rotating ring axle
To floating, it is ensured that the uniformity of both ends of the surface seal clearance I width, the contact wear with stationary ring can be avoided by axially floating.
In the present embodiment, the static components are coated at the stationary ring 7 of rotating ring 2 including gap and two are located at stationary ring 7 respectively
The disk I8 at both ends, forms the end face seal gap I, the stationary ring 7 between the end face of the disk I8 and the end face of rotating ring 2
Sealing ring II is provided between vertically with disk I8；Pass through the setting of disk I8 and the end face of rotating ring 2, easily controllable end face seal
The precision of gap I width, while the end face flatness of disk is easy to repair, certainly, two disk I8 are both secured to stationary ring both ends
Face.
In the present embodiment, two disk I8 outer face is respectively arranged with the disk II9 for being circumferentially fixed on rotating ring 2, institute
State the end face seal gap II that formation connects with end face seal gap I between disk II9 end face and disk I8 end face；It is described
Disk II9 inner circle is salable to be fixed on live spindle 1, also salable to be fixed on rotating ring 2, is set by end face seal gap II
Put, beneficial to the damping of increase hydraulic oil, further improve sealing.
In the present embodiment, the equal gap overcoats of two disk II9 are provided with the disk III10 fixed relative to disk I8, institute
Stating static components is also included while positioned at the disk IV11, the disk IV11 and disk of disk II9 and disk III10 outer faces
End face seal gap III is formed between III10, between the disk I8 and disk III10 and disk IV11 and disk III10 it
Between be respectively arranged with sealing ring III and sealing ring IV；Damping and centrifugal force sealing effectiveness are improved simultaneously, realize high-intensity sealing；
And disk III10 setting is beneficial to the gap for forming disk I8 and disk IV11 and the disk II9 precise match being located therein,
Certainly, end face seal gap may be configured as multiple vertically, three be not limited in the present embodiment.
In the present embodiment, the cylindrical concave shape radially inward of the rotating ring 2 circularizes oil-feed tank 2a, the oil duct I's
Import is located at the bottom land of the annular oil-feed tank 2a；By annular oil-feed tank 2a, enter oil duct I, the annular beneficial to hydraulic oil
Oil-feed tank 2a section can be arc or V-arrangement etc., certainly, can set annular oil-feed tank 2a width larger so that annular oil-feed
Groove 2a side wall is relatively thin, and when hydraulic oil is higher, being axially formed pressure to annular oil-feed tank 2a using hydraulic oil enters annular
Elastic deformation occurs axially outward for oil groove 2a side wall so that end face seal gap I radial outside thickness reduces, and ensures high
Means of press seals effect is good；The direction of driven torus sensing disk IV vertically is represented axially outward.
In the present embodiment, the rotating ring 2 is axially disposed through hole；The through hole can open up multiple, guarantee rotating ring 2 both ends
The pressure in face is balanced, beneficial to end face seal gap I self-regulation.
In the present embodiment, the end face seal gap I, end face seal gap II and/or end face seal gap III end face
Side wall is provided with blind hole or/and groove beneficial to oil film generation；The present embodiment the end face of rotating ring 2 set annular groove, disk I,
Disk II and disk IV end faces set thin blind hole, ensure effective production of oil film, beneficial to heightening sealing.
Realized by axially disposed flat key in the present embodiment, between the rotating ring 2 and live spindle 1 and circumferentially driven
Coordinate；Certainly, the inner circle of rotating ring 2 and the cylindrical bar-shaped trough being provided with vertically for installing flat key of live spindle 1, pass through flat key
Driving, it is simple in construction, it is easy for installation, and rotating ring 2 is axially moveable stabilization.
In the present embodiment, both sides extend to form the interior extension set 12 for being placed on disk I the radially inner side of rotating ring 2 vertically,
Two disk II9 positioned at the outer end of two extension sets 12, are respectively arranged with gap positioned at two disk II9 outer ends and are coated at respectively
The cylindrical axial restraint piece 13 of live spindle 1, the front end of a fixing bolt 14 sequentially pass through axial restraint piece 13 and disk vertically
Coordinated after II9 with extension set 12 by screw thread, realize that axial restraint piece 13, disk II9 and rotating ring 2 are overall fixed；The extension
12 and disk II9 of set vertically between and disk II9 and axial restraint piece 13 sealing ring V and sealing are provided between vertically
VI；Certainly, the sealing ring I6a, sealing ring II6b, sealing ring III6c, sealing ring IV6d, sealing ring V6e and sealing ring VI6f
It is rubber seal；It can also be fixed between the disk I8, disk III10 and disk IV11 by axial bolts.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (10)
- A kind of 1. end face seal oil distributor, it is characterised in that：Including at least circumferentially fixed jacket in live spindle rotating ring and Gap is coated at the static components of rotating ring, and the rotating ring is provided with the oil duct I connected for the oil inlet cylindrical with live spindle, The static components are provided with the oil duct II connected with oil duct I, and it is close to be axially formed end face between the rotating ring and static components Seal gap I.
- 2. end face seal oil distributor according to claim 1, it is characterised in that：Gap between the rotating ring and live spindle Coordinate and rotating ring is axially movable setting relative to live spindle, at least two edges are provided between the live spindle and rotating ring Axially it is respectively in the sealing ring I of oil inlet both sides.
- 3. end face seal oil distributor according to claim 1, it is characterised in that：The static components are coated at including gap The stationary ring of rotating ring and two disk I for being located at stationary ring both ends respectively, institute is formed between the end face of the disk I and the end face of rotating ring End face seal gap I is stated, stationary ring and the disk I is provided with sealing ring II between vertically.
- 4. end face seal oil distributor according to claim 3, it is characterised in that：Two disk I outer face is set respectively There is the disk II for being circumferentially fixed on rotating ring, formed between the end face of the disk II and disk I end face between end face seal The end face seal gap II of gap I connections.
- 5. end face seal oil distributor according to claim 4, it is characterised in that：The equal gap overcoats of two disk II are provided with The disk III fixed relative to disk I, the static components also include the dish positioned at disk II and disk III outer faces simultaneously Piece IV, end face seal gap III is formed between the disk IV and disk III, between the disk I and disk III and disk Sealing ring III and sealing ring IV are respectively arranged between IV and disk III.
- 6. end face seal oil distributor according to claim 1, it is characterised in that：The rotating ring it is cylindrical recessed radially inward Fall into and form annular oil-feed tank, the import of the oil duct I is located at the bottom land of the annular oil-feed tank；The sidewall thickness of annular oil-feed tank Being provided for being axially formed pressure to annular oil-feed tank using hydraulic oil after hydraulic oil pressure exceedes preset value makes annular The side wall of oil-feed tank occurs elastic deformation and then realizes self sealss axially outward.
- 7. end face seal oil distributor according to claim 6, it is characterised in that：The rotating ring is axially disposed through hole.
- 8. end face seal oil distributor according to claim 5, it is characterised in that：The end face seal gap I, end face seal Gap II and/or end face seal gap III end face side wall are provided with blind hole or/and groove beneficial to oil film generation.
- 9. end face seal oil distributor according to claim 8, it is characterised in that：Pass through between the rotating ring and live spindle Axially disposed flat key realizes that circumferentially driving coordinates.
- 10. end face seal oil distributor according to claim 9, it is characterised in that：The rotating ring radially inner side vertically two Side extends to form the interior extension set for being placed on disk I, and two disk II are respectively positioned at the outer end of two extension sets, positioned at two disks II outer ends are respectively arranged with gap and are coated at the cylindrical axial restraint piece of live spindle, and a fixing bolt front end is worn successively vertically Cross after axial restraint piece and disk II and coordinated with extension set by screw thread, extension set and the disk II vertically between and disk II and axial restraint piece are provided with sealing ring V and sealing VI between vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412386.6U CN206637039U (en) | 2017-04-19 | 2017-04-19 | End face sealing oil distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412386.6U CN206637039U (en) | 2017-04-19 | 2017-04-19 | End face sealing oil distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206637039U true CN206637039U (en) | 2017-11-14 |
Family
ID=60245929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720412386.6U Active CN206637039U (en) | 2017-04-19 | 2017-04-19 | End face sealing oil distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206637039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278434A (en) * | 2017-12-29 | 2018-07-13 | 番禺珠江钢管（珠海）有限公司 | A kind of hydraulic rotating linker |
-
2017
- 2017-04-19 CN CN201720412386.6U patent/CN206637039U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278434A (en) * | 2017-12-29 | 2018-07-13 | 番禺珠江钢管（珠海）有限公司 | A kind of hydraulic rotating linker |
| CN108278434B (en) * | 2017-12-29 | 2019-08-09 | 番禺珠江钢管（珠海）有限公司 | A kind of hydraulic rotating linker |
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