CN107355543B - External flushing built-in bearing cartridge type mechanical seal - Google Patents
External flushing built-in bearing cartridge type mechanical seal Download PDFInfo
- Publication number
- CN107355543B CN107355543B CN201710763270.1A CN201710763270A CN107355543B CN 107355543 B CN107355543 B CN 107355543B CN 201710763270 A CN201710763270 A CN 201710763270A CN 107355543 B CN107355543 B CN 107355543B
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- Prior art keywords
- ring
- flange
- shaped ring
- bearing
- shaped
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 10
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 26
- 230000003068 static effect Effects 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 15
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
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 Of Bearings (AREA)
Abstract
The invention aims to provide an external flushing built-in bearing cartridge type mechanical seal, which comprises the following components: the novel hydraulic oil pump is characterized in that: the shaft sleeve is sleeved on the upper side and the lower side of the bearing. The utility model discloses can produce the throttling effect step by step through the viscidity friction of medium and the conversion of energy to realize sealedly, further improved sealed effect.
Description
Technical Field
The invention belongs to the technical field of mechanical sealing equipment, and particularly relates to an external flushing built-in bearing cartridge type mechanical seal.
Background
At present, in equipment such as an absorption tower stirrer of a power plant, a transmission shaft penetrates inside and outside the equipment, a circumferential gap exists between the shaft and the equipment, medium in the equipment leaks outwards through the gap, for a vacuum pump, tissue air leaks inwards, and if the pressure in the equipment is lower than the atmospheric pressure, air leaks inwards, so that a shaft seal device for preventing leakage is needed. The mechanical seal is one of the shaft sealing devices, and is an oil seal of rotary machine, also called end face seal, and is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation transmission axis and keeping fit and relatively sliding under the action of fluid pressure and the elasticity or magnetic force of the compensation mechanism and the cooperation of auxiliary seals. The mechanical seal comprises a static ring assembly, a movable ring assembly and a spring, wherein the static ring assembly is sleeved on a transmission shaft and is tightly matched in a mounting hole of a pump body, the movable ring assembly is tightly matched on the transmission shaft, gap compensation is carried out between the static ring assembly and the movable ring assembly through end face sealing and through the spring, the existing mechanical seal is easy to wear and damage due to the fact that a movable static ring of the mechanical seal is easy to wear and damage due to large vibration of host equipment when the existing mechanical seal is used, the service life of the existing mechanical seal is greatly limited, a small amount of oil drops fall along the inner wall of a bearing box or flow to a gap between a main shaft and an end cover in the running process of the rotating machine, the oil drops are separated from the outside by a framework oil seal, the problem that the thrust ring and an intermediate flange frequently collide to crack is easy to occur when the mechanical seal runs for a long time, and the service life of the framework oil seal is easy to wear and the service life of the framework oil seal is reduced, and the framework oil seal is caused to fail.
Disclosure of Invention
Aiming at the problems, the invention aims to provide an external flushing built-in bearing cartridge type mechanical seal, a spring is arranged between a push ring and an intermediate flange which are positioned at the lower end of a bearing, the push ring is connected with the intermediate flange through the spring, so that the push ring and the intermediate flange can be prevented from cracking due to frequent impact, a first labyrinth ring and a second labyrinth ring are arranged, the labyrinth rings form a series of regular throttling gaps and expansion cavities by a group of sealing tooth sheets, and a gradual throttling effect is generated through viscous friction of a medium and energy conversion, so that the sealing is realized, and the sealing effect is further improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: an external-flushing built-in bearing cartridge type mechanical seal, comprising: the novel hydraulic oil cylinder comprises a first O-shaped ring, a transmission pin, a third O-shaped ring, a fourth O-shaped ring, a fifth O-shaped ring, a sixth O-shaped ring, an inner end cover, a shaft sleeve, a seventh O-shaped ring, a movable ring, a static ring, an anti-rotation pin, a guide sleeve, a first labyrinth ring, a ninth O-shaped ring, an eleventh O-shaped ring, a spherical roller bearing, an outer flange, a driving ring, a second inner hexagonal screw, a pressure oil cup, a third inner hexagonal screw, an intermediate flange, an inner hexagonal cylinder end set screw, a spacer ring, a twelfth O-shaped ring, a thirteenth O-shaped ring, a fourteenth O-shaped ring, a cylindrical pin and a jackscrew, and is characterized in that: the shaft sleeve is sleeved on the upper side and the lower side of the bearing, the first O-shaped ring is arranged between the bearing and the shaft sleeve, the bearing and the shaft sleeve are sealed through the first O-shaped ring, the movable ring is arranged on one side of the shaft sleeve, the transmission pin is arranged between the movable ring and the shaft sleeve, the movable ring is connected with the shaft sleeve through the transmission pin, the movable ring is arranged on one side of the movable ring, the movable ring is connected with the movable ring, the inner end cover is arranged on one side of the movable ring, the fifth O-shaped ring is arranged between the inner end cover and the movable ring, the inner end cover and the movable ring are sealed through the fifth O-shaped ring, the intermediate flange is arranged on one side of the inner end cover, the intermediate flange is connected with the inner end cover through a cylindrical pin, the anti-rotation pin is arranged between the intermediate flange and the movable ring, the intermediate flange is connected with the intermediate flange through an anti-rotation pin, the guide sleeve is arranged on one side of the intermediate flange, the guide sleeve is connected with the intermediate flange, the first labyrinth ring is arranged on one side of the guide sleeve, the first labyrinth ring is connected with the guide sleeve, the first labyrinth ring is arranged on one side of the guide sleeve, the inner end cover is arranged on one side of the first labyrinth ring, the first labyrinth ring is connected with the first labyrinth ring and the roller through the intermediate flange, the intermediate flange is connected with the first labyrinth ring through the roller through the intermediate flange, the first labyrinth ring is arranged on one side of the outer side of the intermediate flange, the intermediate flange is connected with the intermediate flange through the intermediate flange, the intermediate flange and the roller is arranged on the intermediate flange and the intermediate flange, eleventh O type circle and spherical roller bearing interconnect, the pressure oil cup sets up on the external flange, push down oil cup and external flange through threaded connection, the driving ring sets up in one side of external flange, second hexagon socket head cap screw sets up on the driving ring, the driving ring passes through jackscrew and bearing are tight each other, fourteenth O type circle sets up the junction at the inner end cover that is located the bearing lower extreme and intermediate flange, hexagon cylinder end holding screw sets up the inside at external flange, and external flange is connected with spherical roller bearing through hexagon cylinder end holding screw.
Further, one side of the outer flange is provided with a positioning plate, the positioning plate is fixed with the outer flange through a hexagon screw, and one side of the positioning plate is connected with a framework oil seal arranged at one end of the outer flange.
Further, a tenth O-shaped ring is arranged at the joint of the middle flange and the outer flange.
Further, the plug is arranged on the intermediate flange, and the plug is connected with the intermediate flange through threads.
Further, a second O-shaped ring is sleeved on the transmission pin.
Further, the pressure oil filling cup is a straight-through pressure oil filling cup.
Further, the inside of cylindric lock is provided with first hexagon socket head cap screw, and first hexagon socket head cap screw passes through threaded connection with the cylindric lock.
Further, a push ring is arranged on one side of the static ring, the push ring and the static ring are fixedly connected with each other, a spring is arranged between the push ring and the middle flange at the lower end of the bearing, and the push ring is connected with the middle flange through the spring.
Further, an eighth O-shaped ring is arranged at the joint of the anti-rotation pin and the stationary ring.
Further, the middle flange is provided with a lifting screw, and the lifting screw is connected with the middle flange through threads.
The invention has the advantages that: the invention provides an external flushing built-in bearing cartridge type mechanical seal, which is provided with fourteen O-shaped rings, so that the medium is prevented from leaking outwards, the sealing effect is better than that of a conventional mechanical seal structure, a movable ring of the invention can rotate along with a bearing, lubricating oil on the bearing is driven to rotate, the lubricating oil is thrown away from an end cover along the movable ring under the action of centrifugal force, a static ring can collect lubricating oil attached to the end cover into a guide sleeve, oil drops are prevented from dripping along the inner wall of a bearing box or converging into a gap between a main shaft and the end cover to cause leakage, an intermediate flange is connected with an inner end cover through a cylindrical pin, a lifting ring screw is arranged at the upper end of the intermediate flange, the lifting and carrying of the whole device are facilitated, a positioning plate is arranged at one side of the outer flange, and is fixed with the outer flange through the hexagonal screw, one side of the positioning plate is connected with a skeleton oil seal arranged at one end of the outer flange, the positioning effect is achieved, the positioning is accurate, the static ring can not easily fall off, a spring is arranged between the ring and the intermediate flange at the lower end of the bearing, the intermediate flange is prevented from dripping along the inner wall of the main shaft or converging to a gap between the main shaft and the end cover, the inner end cover is prevented from leaking due to the sealing plate, the sealing effect is further improved, and the sealing effect is increased by the elastic ring is formed by the elastic ring through the spring, and the sealing effect is further improved, and the sealing effect is provided with a series of a sealing effect, and a sealing effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Wherein:
1-a first O-ring; 2-a second O-ring; 3-driving pins;
4-a third O-ring; 5-fourth O-ring; 6-a fifth O-ring;
7-sixth O-ring; 8-an inner end cover; 9-shaft sleeve;
10-seventh O-ring; 11-moving ring; 12-stationary ring;
13-eighth O-ring; 14-push ring; 15-an anti-rotation pin;
16-a guide sleeve; 17-a first socket head cap screw; 18-a first labyrinth ring;
19-ninth O-ring; 20-a second labyrinth ring; 21-tenth O-ring;
22-eleventh O-ring; 23-spherical roller bearings; 24-skeleton oil seal;
25-an external flange; 26-positioning plates; 27-hex screws;
28-a drive ring; 29-a second socket head cap screw; 30-pressing an oil filling cup;
31-a third socket head cap screw; 32-eye screws; 33-plugging;
34-an intermediate flange; 35-a hexagon socket head cap screw; 36-spacer ring;
37-twelfth O-ring; 38-thirteenth O-ring; 39-fourteenth O-ring;
40-cylindrical pins; 41-a spring; 42-jackscrews;
43-bearing
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Fig. 1 is a schematic structural diagram of the present invention, and an external-flushing built-in bearing cartridge type mechanical seal shown in fig. 1 includes: the novel hydraulic oil pump is characterized in that the hydraulic oil pump comprises a first O-shaped ring 1, a transmission pin 3, a third O-shaped ring 4, a fourth O-shaped ring 5, a fifth O-shaped ring 6, a sixth O-shaped ring 7, an inner end cover 8, a shaft sleeve 9, a seventh O-shaped ring 10, a movable ring 11, a static ring 12, an anti-rotation pin 15, a guide sleeve 16, a first labyrinth ring 18, a ninth O-shaped ring 19, an eleventh O-shaped ring 22, a spherical roller bearing 23, an outer flange 25, a driving ring 28, a second inner hexagonal screw 29, a pressure oil cup 30, a third inner hexagonal screw 31, an intermediate flange 34, an inner hexagonal cylinder end set screw 35, a spacer ring 36, a twelfth O-shaped ring 37, a thirteenth O-shaped ring 38, a fourteenth O-shaped ring 39, a cylindrical pin 40 and a jackscrew 42, and is characterized in that: the shaft sleeve 9 is sleeved on the upper side and the lower side of the bearing 43, the first O-shaped ring 1 is arranged between the bearing 43 and the shaft sleeve 9, the bearing 43 and the shaft sleeve 9 are sealed through the first O-shaped ring 1, the movable ring 11 is arranged on one side of the shaft sleeve 9, the driving pin 3 is arranged between the movable ring 11 and the shaft sleeve 9, the movable ring 11 is connected with the shaft sleeve 9 through the driving pin 3, the static ring 12 is arranged on one side of the movable ring 11, the static ring 12 is connected with the movable ring 11, the inner end cover 8 is arranged on one side of the static ring 12, the fifth O-shaped ring 6 is arranged between the inner end cover 8 and the static ring 12, the inner end cover 8 and the static ring 12 are sealed through the fifth O-shaped ring 6, the middle flange 34 is arranged on one side of the inner end cover 8, the middle flange 34 is connected with the inner end cover 8 through a cylindrical pin 40, the anti-rotation pin 15 is arranged between the intermediate flange 34 and the stationary ring 12, the intermediate flange 34 is connected with the stationary ring 12 through the anti-rotation pin 15, the guide sleeve 16 is arranged on one side of the intermediate flange 34, the guide sleeve 16 is connected with the intermediate flange 34, the first labyrinth ring 18 is arranged on one side of the guide sleeve 16, the first labyrinth ring 18 is fixedly connected with the intermediate flange 34, the second labyrinth ring 20 is arranged on one side of the first labyrinth ring 18, the second labyrinth ring 20 is fixedly connected with the first labyrinth ring 18, the ninth O-shaped ring 19 is arranged on one side of the second labyrinth ring 20, the ninth O-shaped ring 19 is connected with the second labyrinth ring 20, the outer flange 25 is arranged on one side of the intermediate flange 34, the outer flange 25 is connected with the intermediate flange 34 through the third inner hexagon screw 31, the spherical roller bearing 23 is arranged on one side of the outer flange 25, the spherical roller bearing 23 is connected with the middle flange 34 through a spacing ring 36, the eleventh O-shaped ring 22 is arranged on one side of the spherical roller bearing 23, the eleventh O-shaped ring 22 is connected with the spherical roller bearing 23, the oil pressing cup 30 is arranged on the outer flange 25, the oil pressing cup 30 is connected with the outer flange 25 through threads, the driving ring 28 is arranged on one side of the outer flange 25, the second hexagon socket head cap screw 29 is arranged on the driving ring 28, the driving ring 28 is tightly propped against the bearing 43 through the jackscrew 42, the fourteenth O-shaped ring 39 is arranged at the joint of the inner end cover 8 positioned at the lower end of the bearing 43 and the middle flange 34, the inner hexagon cylinder end set screw 35 is arranged inside the outer flange 25, and the outer flange 25 is connected with the spherical roller bearing 23 through the inner hexagon cylinder end set screw 35.
The invention discloses an external flushing built-in bearing cartridge mechanical seal, which comprises: the novel hydraulic oil cylinder comprises a first O-shaped ring, a transmission pin, a third O-shaped ring, a fourth O-shaped ring, a fifth O-shaped ring, a sixth O-shaped ring, an inner end cover, a shaft sleeve, a seventh O-shaped ring, a movable ring, a static ring, an anti-rotation pin, a guide sleeve, a first labyrinth ring, a ninth O-shaped ring, an eleventh O-shaped ring, a spherical roller bearing, an outer flange, a driving ring, a second inner hexagonal screw, a pressure oil cup, a third inner hexagonal screw, an intermediate flange, an inner hexagonal cylinder end set screw, a spacer ring, a twelfth O-shaped ring, a thirteenth O-shaped ring, a fourteenth O-shaped ring, a cylindrical pin and a jackscrew, and is characterized in that: the invention provides a sealing ring, which is characterized in that a sleeve is sleeved on the upper side and the lower side of a bearing, a first O-shaped ring is arranged between the bearing and the sleeve, the bearing and the sleeve are sealed by the first O-shaped ring, a movable ring is arranged on one side of the sleeve, a transmission pin is arranged between the movable ring and the sleeve, the movable ring is connected with the sleeve by the transmission pin, a static ring is arranged on one side of the movable ring, the static ring is connected with the movable ring, an inner end cover is arranged on one side of the static ring.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. An external-flushing built-in bearing cartridge type mechanical seal, comprising: the novel hydraulic oil cylinder comprises a first O-shaped ring, a transmission pin, a third O-shaped ring, a fourth O-shaped ring, a fifth O-shaped ring, a sixth O-shaped ring, an inner end cover, a shaft sleeve, a seventh O-shaped ring, a movable ring, a static ring, an anti-rotation pin, a flow guiding sleeve, a first labyrinth ring, a ninth O-shaped ring, an eleventh O-shaped ring, a spherical roller bearing, an outer flange, a driving ring, a second inner hexagonal screw, a pressure oil cup, a third inner hexagonal screw, a middle flange, an inner hexagonal cylinder end set screw, a spacer ring, a twelfth O-shaped ring, a thirteenth O-shaped ring, a fourteenth O-shaped ring, a cylindrical pin and a jackscrew;
the method is characterized in that: the shaft sleeve is sleeved on the upper side and the lower side of the bearing, the first O-shaped ring is arranged between the bearing and the shaft sleeve, the bearing and the shaft sleeve are sealed through the first O-shaped ring, the movable ring is arranged on one side of the shaft sleeve, the transmission pin is arranged between the movable ring and the shaft sleeve, and the movable ring is connected with the shaft sleeve through the transmission pin;
the static ring is arranged on one side of the movable ring, the static ring is connected with the movable ring, the inner end cover is arranged on one side of the static ring, the fifth O-shaped ring is arranged between the inner end cover and the static ring, and the inner end cover and the static ring are sealed through the fifth O-shaped ring;
the middle flange is arranged on one side of the inner end cover, the middle flange is connected with the inner end cover through a cylindrical pin, the anti-rotation pin is arranged between the middle flange and the stationary ring, and the middle flange is connected with the stationary ring through the anti-rotation pin;
the guide sleeve is arranged on one side of the middle flange, the guide sleeve is connected with the middle flange, the first labyrinth ring is arranged on one side of the guide sleeve, the first labyrinth ring is fixedly connected with the middle flange, the second labyrinth ring is arranged on one side of the first labyrinth ring, and the second labyrinth ring is fixedly connected with the first labyrinth ring;
the ninth O-shaped ring is arranged on one side of the second labyrinth ring, the ninth O-shaped ring is connected with the second labyrinth ring, the outer flange is arranged on one side of the middle flange, and the outer flange is connected with the middle flange through the third inner hexagon screw;
the spherical roller bearing is arranged on one side of the outer flange, and is connected with the middle flange through a spacing ring;
the eleventh O-shaped ring is arranged on one side of the spherical roller bearing, and the eleventh O-shaped ring is connected with the spherical roller bearing;
the pressing oil cup is arranged on the external flange, and is connected with the external flange through threads;
the driving ring is arranged on one side of the external flange, the second inner hexagon screw is arranged on the driving ring, and the driving ring is mutually propped against the bearing through the jackscrew;
the fourteenth O-shaped ring is arranged at the joint of the inner end cover positioned at the lower end of the bearing and the middle flange, the inner hexagonal cylinder end set screw is arranged inside the outer flange, and the outer flange is connected with the spherical roller bearing through the inner hexagonal cylinder end set screw;
one side of the outer flange is provided with a positioning plate, the positioning plate is fixed with the outer flange through a hexagon screw, and one side of the positioning plate is connected with a framework oil seal arranged at one end of the outer flange;
one side of the stationary ring is provided with a push ring, the push ring is fixedly connected with the stationary ring, a spring is arranged between the push ring and the middle flange at the lower end of the bearing, and the push ring is connected with the middle flange through the spring.
2. The external-rinse built-in bearing cartridge mechanical seal of claim 1, wherein: and a tenth O-shaped ring is arranged at the joint of the middle flange and the outer flange.
3. The external-rinse built-in bearing cartridge mechanical seal of claim 1, wherein: the plug is arranged on the intermediate flange, and the plug is connected with the intermediate flange through threads.
4. The external-rinse built-in bearing cartridge mechanical seal of claim 1, wherein: and a second O-shaped ring is sleeved on the transmission pin.
5. The external-rinse built-in bearing cartridge mechanical seal of claim 1, wherein: the pressure oil filling cup is a straight-through pressure oil filling cup.
6. The external-rinse built-in bearing cartridge mechanical seal of claim 1, wherein: the inside of cylindric lock is provided with first hexagon socket head cap screw, and threaded connection is passed through with the cylindric lock to first hexagon socket head cap screw.
7. The external-rinse built-in bearing cartridge mechanical seal of claim 1, wherein: an eighth O-shaped ring is arranged at the joint of the anti-rotation pin and the stationary ring.
8. The external-rinse built-in bearing cartridge mechanical seal of claim 1, wherein: and the middle flange is provided with a lifting screw which is connected with the middle flange through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763270.1A CN107355543B (en) | 2017-08-30 | 2017-08-30 | External flushing built-in bearing cartridge type mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763270.1A CN107355543B (en) | 2017-08-30 | 2017-08-30 | External flushing built-in bearing cartridge type mechanical seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107355543A CN107355543A (en) | 2017-11-17 |
| CN107355543B true CN107355543B (en) | 2023-12-26 |
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ID=60289719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710763270.1A Active CN107355543B (en) | 2017-08-30 | 2017-08-30 | External flushing built-in bearing cartridge type mechanical seal |
Country Status (1)
| Country | Link |
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| CN (1) | CN107355543B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108167078A (en) * | 2017-12-26 | 2018-06-15 | 中国航发四川燃气涡轮研究院 | It is a kind of that aero-engine hole is coordinated to visit the Remote Control Automatic barring gear checked |
| JP7111574B2 (en) * | 2018-09-28 | 2022-08-02 | イーグル工業株式会社 | mechanical seal |
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| CN204153146U (en) * | 2014-07-07 | 2015-02-11 | 上海创异流体机械有限公司 | A kind of bearing Split type mechanical seal device |
| CN204201097U (en) * | 2014-10-31 | 2015-03-11 | 湖北新置密封件有限公司 | A kind of export-oriented slide ring seal |
| CN204201095U (en) * | 2014-10-31 | 2015-03-11 | 湖北新置密封件有限公司 | To slide ring seal in a kind of |
| CN105134957A (en) * | 2015-10-09 | 2015-12-09 | 张家港市兰航机械有限公司 | Shaft seal with labyrinth seal structure |
| CN205026099U (en) * | 2015-01-09 | 2016-02-10 | 常州工学院 | Can cushion flange bearing seal that axial that external force arouses is strikeed |
| CN205080253U (en) * | 2015-06-26 | 2016-03-09 | 中国船舶重工集团公司第七二四研究所 | Seal face self compensating radar neatly ring |
| WO2016155221A1 (en) * | 2015-03-31 | 2016-10-06 | 邢宇 | Closed type mechanical sealing pump efficiency ring and shaft seal flushing system having pump efficiency ring |
| CN106051166A (en) * | 2016-07-26 | 2016-10-26 | 马鞍山市方正机械制造有限责任公司 | Underwater bearing of flush slag stirring cage machine and sealing device of underwater bearing |
-
2017
- 2017-08-30 CN CN201710763270.1A patent/CN107355543B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204153146U (en) * | 2014-07-07 | 2015-02-11 | 上海创异流体机械有限公司 | A kind of bearing Split type mechanical seal device |
| CN204201097U (en) * | 2014-10-31 | 2015-03-11 | 湖北新置密封件有限公司 | A kind of export-oriented slide ring seal |
| CN204201095U (en) * | 2014-10-31 | 2015-03-11 | 湖北新置密封件有限公司 | To slide ring seal in a kind of |
| CN205026099U (en) * | 2015-01-09 | 2016-02-10 | 常州工学院 | Can cushion flange bearing seal that axial that external force arouses is strikeed |
| WO2016155221A1 (en) * | 2015-03-31 | 2016-10-06 | 邢宇 | Closed type mechanical sealing pump efficiency ring and shaft seal flushing system having pump efficiency ring |
| CN205080253U (en) * | 2015-06-26 | 2016-03-09 | 中国船舶重工集团公司第七二四研究所 | Seal face self compensating radar neatly ring |
| CN105134957A (en) * | 2015-10-09 | 2015-12-09 | 张家港市兰航机械有限公司 | Shaft seal with labyrinth seal structure |
| CN106051166A (en) * | 2016-07-26 | 2016-10-26 | 马鞍山市方正机械制造有限责任公司 | Underwater bearing of flush slag stirring cage machine and sealing device of underwater bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107355543A (en) | 2017-11-17 |
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