CN106838323A - A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance - Google Patents
A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance Download PDFInfo
- Publication number
- CN106838323A CN106838323A CN201710199807.6A CN201710199807A CN106838323A CN 106838323 A CN106838323 A CN 106838323A CN 201710199807 A CN201710199807 A CN 201710199807A CN 106838323 A CN106838323 A CN 106838323A
- Authority
- CN
- China
- Prior art keywords
- micro
- bulge
- cluster
- seal face
- shark skin
- 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
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
-
- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
-
- 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
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3496—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member use of special materials
Abstract
A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance, including rotating ring or stationary ring as mechanical seal, the seal face outer end of rotating ring and stationary ring is upstream as high-pressure side, seal face the inner is downstream as low-pressure side, the high-pressure side of at least one seal face upstream is provided with the seals dam of circle closing in rotating ring or stationary ring, and in circumferential uniform several pumping grooves in the seal face surface, the first end of pumping groove extends to the high-pressure side of seal face, and the second end extends to the low-pressure side of seal face；Region between adjacent two pumping grooves is sealing weir；The micro-bulge cluster of bottom land and the imitative shark skin surface pattern of sealing weir Surface Machining, micro-bulge cluster dislocation arrangement is until be uniformly covered with whole sealing weir and pumping groove bottom land, micro-bulge cluster is made up of several dimpling body units parallel to each other.The beneficial effects of the invention are as follows：Prevent marine fouling organism attachment, drag reduction, wear-resisting and reinforcing radiating imitative shark skin surface three-dimensional appearance.
Description
Technical field
The invention belongs to mechanical seal structure design field, a kind of imitative shark skin surface three-dimensional appearance is specifically related to
End surface mechanical sealing structure.
Background technology
Marine environment has the particularity of many with respect to land, so applying the operating mode of the mechanical seal in extra large frock is standby
It is more severe.Particularly marine biofouling problem is given and applies the mechanical seal in extra large frock is standby to bring many harm, sea
Foreign fouling organism can be attached on the friction pair of mechanical seal, can accelerate the corrosion and abrasion of seal face, so as to cause machinery
The sealing property of sealing declines, and service life shortens, and mechanical seal can be made to fail when serious.For such case, it is necessary to grind
Study carefully a kind of mechanically-sealing apparatus for preventing marine fouling organism from adhering to, mechanical seal is received marine fouling organism in the process of running
Influence be preferably minimized, so as to increase the wearability and corrosion resistance of sealing, extend its service life.
At present, have many studies have shown that large ocean mammal shagreen have complexity surface topography, this
The appearance structure of a little biological surfaces can effectively prevent or suppress biological attachment.The machine of benthon attachment is protected according to shark
Reason, Brennan et al., Scardino and De Nys and Magin et al. develop Sharklet using the method for etching overmolded
AFTM fine structure materials, it was demonstrated that can effectively prevent algae, barnacle etc. to be stained marine organisms and adhere to, and the reduction of its adhesive rate
85% or so.
According to the mechanism that the imitative marine fouling organism of shark skin surface appearance structure adheres to, a kind of imitative shark epidermis can be designed
The end surface mechanical sealing structure of face appearance structure, so as to prevent or suppress marine organisms attachment, so as to reach increase seal wear-resistant
Property and corrosion resistance, the purpose for increasing the service life.
The content of the invention
End face seal for application ocean at present is easily subject to the defect or deficiency of marine fouling organism attachment, the present invention
There is provided a kind of end of the imitative shark skin surface three-dimensional appearance for preventing marine fouling organism attachment, drag reduction, wear-resisting and reinforcing from radiating
Face mechanical seal structure.
A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance of the present invention, including mechanical seal
The seal face outer end of rotating ring and stationary ring, the rotating ring and described stationary ring is upstream as high-pressure side, and seal face is inner
It is downstream as low-pressure side, it is characterised in that：The high-pressure side of at least one seal face upstream sets in the rotating ring or stationary ring
There is the seals dam that a circle is closed, and in circumferential uniform several pumping grooves in the seal face surface, the pumping groove
First end extend to the high-pressure side of seal face, the second end extends to the low-pressure side of seal face；Adjacent two pumpings
Region between groove is sealing weir；The pumping groove bottom land and sealing weir Surface Machining have the micro- of imitative shark skin surface pattern
Convex body cluster, the micro-bulge cluster dislocation arrangement is until be uniformly covered with whole sealing weir and pumping groove bottom land, the micro-bulge
Cluster is made up of several dimpling body units parallel to each other.
The micro-bulge cluster is arranged in parallel along its short-axis direction successively by several dimpling body units, and with group micro-bulge list
Unit length along its short-axis direction from center to two ends decrescence；The adjacent micro-bulge cluster on sealing weir surface along its short-axis direction from beginning to end
Connect, and straight line where the micro-bulge cluster short axle on sealing weir surface crosses the center of circle of seal face；Its short-and-medium axle refers to micro-bulge
The symmetry axis vertical with micro-bulge unit center axle in cluster；Major axis refers to the center of dimpling body unit most long in micro-bulge cluster
Axle.
Along its circumferential uniform multiple pumping groove, pumping groove is that bending direction is consistent on the seal face surface
Smooth arc groove, and pumping groove the second end slot mouthful than first end slot opening.
The micro-bulge cluster long axis direction of the bottom surface of the pumping groove is consistent with the arc groove water conservancy diversion direction, institute
The micro-bulge cluster long axis direction stated on sealing weir surface is consistent with the tangent to periphery direction of basic circle where arc groove.
The micro-bulge cell cross-section is rectangle and two combined shapeds of semicircle, the dimpling body unit two and half
Straight line where the round heart overlaps with dimpling body unit major axis, the perpendicular bisector of two semicircle circle center line connectings of dimpling body unit is by sealing
The end face center of circle and overlapped with micro-bulge cell short axis.
Spacing of the first end of described pumping groove apart from the end face upstream is 0.5-3mm, and groove depth is 0.1-
1mm。
The uniform pumping groove number in described seal face surface is 3-25.
It it is 0.05-0.3 μm with the gap between the dimpling body unit in group micro-bulge cluster.
The invention has the advantages that：
1) the micro- of the imitative shark skin surface three-dimensional appearance of micron order is machined with pumping groove bottom land and sealing weir surface
Convex body cluster so that marine fouling organism is difficult to adhere on seal face, so as to reach the mesh for preventing marine fouling organism from adhering to
's.
2) a part of end face seal can be taken away due to there is certain interval between micro-bulge cluster, when liquid passes through in operation
During produce frictional heat, reach reinforcing radiating effect.
3) pumping groove and imitative shark skin surface three-dimensional appearance are combined, and can reduce friction power loss, subtract so as to reach
The effect of resistance.
4) pumping groove and imitative shark skin surface three-dimensional appearance are combined, and can strengthen dynamic pressure effect, reduce abrasion, from
And the effect for reaching enhancing wearability, increasing the service life.
Brief description of the drawings
Fig. 1 is that (A represents high-pressure side to schematic diagram of the invention；B represents low-pressure side)；
Fig. 2 is top view of the invention；
Fig. 3 is micro-bulge cluster schematic diagram of the invention.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings
Referring to the drawings：
A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance of the present invention of embodiment 1, including make
It is the rotating ring and stationary ring of mechanical seal, on the seal face outer end of the rotating ring and described stationary ring 1 is as high-pressure side A
Trip, seal face the inner is downstream as low-pressure side B, the high pressure of at least one seal face upstream in the rotating ring or stationary ring
Side is provided with the seals dam 2 of circle closing, and in circumferential uniform several pumping grooves 5 in the seal face surface, the upstream
The first end of pumping groove 5 extends to the high-pressure side A of seal face, and the second end extends to the low-pressure side B of seal face；Adjacent two
Region between pumping groove 5 is sealing weir 3；The bottom land of pumping groove 5 and the Surface Machining of sealing weir 3 have imitative sharkskin
The micro-bulge cluster 4 of surface topography, the dislocation of micro-bulge cluster 4 arrangement is until be uniformly covered with whole sealing weir 3 and pumping groove 5
Bottom land, the micro-bulge cluster 441 is made up of several dimpling body units parallel to each other.
The micro-bulge cluster 4 is arranged in parallel along its short-axis direction successively by several dimpling body units 41, and with group dimpling
The length of body unit along its direction of short axle 7 from center to two ends decrescence；The adjacent micro-bulge cluster on sealing weir surface is along its short axle side
To end to end, and straight line where the micro-bulge cluster short axle on sealing weir surface crosses the center of circle of seal face；Its short-and-medium axle is referred to
The symmetry axis vertical with micro-bulge unit center axle in micro-bulge cluster；Major axis 6 refers to dimpling body unit most long in micro-bulge cluster
Central shaft.
Along its circumferential uniform multiple pumping groove 5, pumping groove 5 is that bending direction is consistent on the seal face surface
Smooth arc groove, and pumping groove 5 the second end slot mouthful than first end slot opening.
The direction of 4 major axis of micro-bulge cluster 6 of the bottom surface of the pumping groove 5 and the arc groove water conservancy diversion direction one
Cause, the micro-bulge cluster long axis direction on the surface of the sealing weir 3 is consistent with the tangent to periphery direction of basic circle where arc groove.
The cross section of dimpling body unit 41 is rectangle and two combined shapeds of semicircle, the dimpling body unit two
Straight line where the semicircle center of circle overlaps with dimpling body unit major axis, two perpendicular bisectors of semicircle circle center line connecting of dimpling body unit are through overstocked
The end-blocking face center of circle and overlapped with micro-bulge cell short axis.
Spacing of the described first end of pumping groove 5 apart from the end face upstream is 0.5-3mm, and groove depth is 0.1-1mm.
The uniform pumping groove number in described seal face surface is 3-25.
It it is 0.05-0.3 μm with the gap between the dimpling body unit in group micro-bulge cluster 4.
Specifically, stationary ring is represented in Fig. 1, but rotating ring is in fact similar to its, and this place does not draw in addition；The pumping
Groove 5 and imitative shark skin surface three-dimensional appearance be combined and can reduce friction power loss, so as to reduce friction pair in the process of running
Resistance, reaches the effect of drag reduction, while the pumping groove 5 and imitative shark skin surface three-dimensional appearance are combined and can increase dynamic
Pressure effect, makes friction pair reduce wear rate reduction in the process of running, the effect for reach enhancing wearability, increasing the service life.
There is gap between the micro-bulge cluster 4, the area of liquid and solid contact can be increased, make the heat of convection heat transfer' heat-transfer by convection between solid-liquid
Amount increases, and flowing the heat taken away by liquid increases, so as to reach the effect of reinforcing radiating.Simultaneously as the micro-bulge
The presence of cluster 4 so that marine fouling organism is difficult to adhere on seal face, prevents what marine fouling organism from adhering to so as to reach
Purpose.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also includes art technology
Personnel according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (8)
1. a kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance, including the rotating ring or quiet as mechanical seal
The seal face outer end of ring, the rotating ring and stationary ring is upstream as high-pressure side, under seal face the inner is as low-pressure side
Trip, it is characterised in that：The high-pressure side of at least one seal face upstream is provided with the close of circle closing in the rotating ring or stationary ring
Envelope dam, and in circumferential uniform several pumping grooves in the seal face surface, the first end of the pumping groove is extended to
The high-pressure side of seal face, the second end extends to the low-pressure side of seal face；Region between adjacent two pumping grooves is
Sealing weir；The pumping groove bottom land and sealing weir Surface Machining have the micro-bulge cluster of imitative shark skin surface pattern, described micro-
Convex body cluster dislocation arrangement until be uniformly covered with whole sealing weir and pumping groove bottom land, the micro-bulge cluster by several each other
Parallel dimpling body unit composition.
2. a kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 1, it is characterised in that：
The micro-bulge cluster is arranged in parallel along its short-axis direction successively by several dimpling body units, and with the length of group dimpling body unit
Along its short-axis direction from center to two ends decrescence；The adjacent micro-bulge cluster on sealing weir surface is end to end along its short-axis direction, and
Straight line where the micro-bulge cluster short axle on sealing weir surface crosses the center of circle of seal face；Its short-and-medium axle refer in micro-bulge cluster with it is micro-
The vertical symmetry axis of convex body unit center axle；Major axis refers to the central shaft of dimpling body unit most long in micro-bulge cluster.
3. a kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 2, it is characterised in that：
Along its circumferential uniform multiple pumping groove, pumping groove is the consistent smooth circular arc of bending direction on the seal face surface
Groove, and pumping groove the second end slot mouthful than first end slot opening.
4. a kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 3, it is characterised in that：
The micro-bulge cluster long axis direction of the bottom surface of the pumping groove is consistent with the arc groove water conservancy diversion direction, the sealing weir
Micro-bulge cluster long axis direction on surface is consistent with the tangent to periphery direction of basic circle where arc groove.
5. a kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 3, it is characterised in that：
The micro-bulge cell cross-section is rectangle and two combined shapeds of semicircle, two semicircle center of circle institutes of the dimpling body unit
Overlapped with dimpling body unit major axis in straight line, two perpendicular bisectors of semicircle circle center line connecting of dimpling body unit are by the seal face center of circle
And overlapped with micro-bulge cell short axis.
6. a kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 5, it is characterised in that：
Spacing of the described pumping groove first end apart from the end face upstream is 0.5-3mm, and groove depth is 0.1-1mm.
7. a kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 6, it is characterised in that：
The uniform pumping groove number in described seal face surface is 3-25.
8. a kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance as claimed in claim 4, it is characterised in that：
It it is 0.05-0.3 μm with the gap between the dimpling body unit in group micro-bulge cluster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710199807.6A CN106838323B (en) | 2017-03-30 | 2017-03-30 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710199807.6A CN106838323B (en) | 2017-03-30 | 2017-03-30 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106838323A true CN106838323A (en) | 2017-06-13 |
| CN106838323B CN106838323B (en) | 2018-05-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710199807.6A Active CN106838323B (en) | 2017-03-30 | 2017-03-30 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
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| Country | Link |
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| CN (1) | CN106838323B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228196A (en) * | 2017-07-06 | 2017-10-03 | 浙江工业大学 | Augmentation of heat transfer type ternary bending micro-bulge end surface mechanical sealing structure |
| CN110500409A (en) * | 2019-09-11 | 2019-11-26 | 浙江工业大学 | A kind of micro-bulge cluster mechanical face seals with reduction microorganism adhesive function |
| CN113090486A (en) * | 2021-04-02 | 2021-07-09 | 燕山大学 | Axial plunger pump piston shoe friction pair with shark skin imitation structure |
| WO2022071090A1 (en) * | 2020-09-29 | 2022-04-07 | イーグル工業株式会社 | Sliding component |
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| CN103122998B (en) * | 2013-02-26 | 2015-10-28 | 浙江工业大学 | Imitative sharkskin streamline type groove end surface mechanical sealing structure |
| CN205605823U (en) * | 2016-03-24 | 2016-09-28 | 中国石油大学(华东) | Satisfy just direction changing imitative fin type groove terminal surface mechanical seal structure |
| CN206754365U (en) * | 2017-03-30 | 2017-12-15 | 浙江工业大学 | A kind of end surface mechanical sealing structure of imitative shark skin surface three-dimensional appearance |
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| EP1347219A2 (en) * | 2002-03-19 | 2003-09-24 | Eagle Industry Co., Ltd. | Sliding element |
| US20100004115A1 (en) * | 2006-10-30 | 2010-01-07 | Kyocera Corporation | Sliding Member, Manufacturing Method Thereof, Mechanical Seal Ring Using Sliding Member and Mechanical Seal Using Mechanical Seal Ring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228196A (en) * | 2017-07-06 | 2017-10-03 | 浙江工业大学 | Augmentation of heat transfer type ternary bending micro-bulge end surface mechanical sealing structure |
| CN107228196B (en) * | 2017-07-06 | 2018-08-21 | 浙江工业大学 | Augmentation of heat transfer type ternary bending micro-bulge end surface mechanical sealing structure |
| CN110500409A (en) * | 2019-09-11 | 2019-11-26 | 浙江工业大学 | A kind of micro-bulge cluster mechanical face seals with reduction microorganism adhesive function |
| WO2022071090A1 (en) * | 2020-09-29 | 2022-04-07 | イーグル工業株式会社 | Sliding component |
| CN113090486A (en) * | 2021-04-02 | 2021-07-09 | 燕山大学 | Axial plunger pump piston shoe friction pair with shark skin imitation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106838323B (en) | 2018-05-04 |
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