CN110005812A - A kind of vertical spheroidal graphite machine mechanically-sealing apparatus and method - Google Patents
A kind of vertical spheroidal graphite machine mechanically-sealing apparatus and method Download PDFInfo
- Publication number
- CN110005812A CN110005812A CN201910355741.4A CN201910355741A CN110005812A CN 110005812 A CN110005812 A CN 110005812A CN 201910355741 A CN201910355741 A CN 201910355741A CN 110005812 A CN110005812 A CN 110005812A
- Authority
- CN
- China
- Prior art keywords
- rotating ring
- rotating
- ring
- sealing
- rotating seat
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 82
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 19
- 239000010439 graphite Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 7
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical group [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 description 11
- 230000007704 transition Effects 0.000 description 5
- 230000001447 compensatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
-
- 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
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention discloses a kind of vertical spheroidal graphite machine mechanically-sealing apparatus, including static components, rotating ring, stop pin, limit sleeve, rotating seat and axle sleeve, the connection of one end of static components and rotating ring, the other end of rotating ring and one end of stop pin connect, the other end of stop pin and one end of rotating seat connect, the other end of rotating seat is connect with limit sleeve, and limit sleeve is mounted on axle sleeve, and rotating seat is mounted on axle sleeve.It is equipped with the first gap between the bottom and axle sleeve of rotating ring, the second gap is equipped between the other end and rotating seat of rotating ring, stop pin passes through the second gap and connects rotating seat and rotating ring.Additionally provide a kind of encapsulating method of vertical spheroidal graphite machine mechanically-sealing apparatus.It solves the problems, such as that seal face causes face deformation to leak because directly touching, improves sealing performance, extend the service life of sealing device.
Description
Technical field
The present invention relates to mechanically-sealing apparatus fields, and in particular to a kind of vertical spheroidal graphite machine mechanically-sealing apparatus and side
Method.
Background technique
Primary seal in the vertical original-pack mechanically-sealing apparatus of spheroidal graphite machine of import, as depicted in figs. 1 and 2, it is by stationary ring group
Part 1A, rotating ring 2A, sealing ring 4A, limit sleeve 6A and rotating seat 7A composition.The end face of static components 1A and one end of rotating ring 2A
Connection, the other end of stationary ring 2A are connect with rotating seat 7A, and the lower end rotating seat 7A is provided with sealing ring 4A, rotating seat 7A and limit sleeve
6A connection.It plays a decisive role to the long-term operation of sealing., there is a two o'clock in the shortcomings that sealing structure: first, rotating ring 2A and dynamic
Ring seat 7A is directly contacted, absolutely not floatability, and rotating ring 2A is connected on rotating seat 7A by limit sleeve 6A and screw, if
Tighten the friction pair end face leakage that screw just frequently occurs sealing；Second, since the sealing structure of sealing ring 4A is excessively cumbersome, lead
It causes sealing station to be easy to appear leakage, influences the service life of sealing device.
Summary of the invention
In order to solve the above-mentioned technical problem, the service life for extending sealing device, the present invention provides a kind of vertical spheroidal graphites
Machine mechanically-sealing apparatus, good seal performance extend service life.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of vertical spheroidal graphite machine mechanically-sealing apparatus, including static components, rotating ring, stop pin, limit sleeve, rotating seat with
And axle sleeve, one end connection of static components and rotating ring, the other end of rotating ring and one end of stop pin connect, the other end of stop pin
It is connect with one end of rotating seat, the other end of rotating seat is connect with limit sleeve, and limit sleeve is mounted on axle sleeve, and rotating seat is mounted on
On axle sleeve.It is equipped with the first gap between the bottom and axle sleeve of rotating ring, the second gap is equipped between the other end and rotating seat of rotating ring,
Stop pin passes through the second gap and connects rotating seat and rotating ring.
Compared with prior art, the invention has the following advantages that
Solve the problems, such as that seal face causes face deformation to leak because directly touching, rotating ring can carry out radial direction and axis
To two-way floating, the displacement of static components generation is compensated for radially, and also compensates for static components generation in the axial direction
Displacement, make moving ring assembly have preferably it is compensatory, solve the problems, such as seal face verticality reduce, improve sealing
Performance extends the service life of sealing device.
Further preferably are as follows: rotating ring passes through stop pin axial floating.
Using upper technical solution, the axial displacement of static components generation is compensated for, and it is straight with rotating ring to solve rotating seat
Contact the leakage problem for deforming and occurring.
Further preferably are as follows: rotating ring radial floating in the first gap.
By adopting the above technical scheme, the radial displacement of static components generation is compensated for, and it is straight with axle sleeve to solve rotating ring
Contact occurs friction texturizing and the problem of leakage occurs.
Further preferably are as follows: sealing ring is provided between rotating seat and axle sleeve, be placed in sealing ring rotating seat and axle sleeve it
Between.
Using upper technical solution, sealing ring, which is arranged, reduces the leakage between rotating seat and axle sleeve, improves therebetween
Sealing performance, and keep being more firmly mounted for sealing ring reliable.
Further preferably are as follows: the top of rotating ring and the top of rotating seat are sealed by sealing ring.
By adopting the above technical scheme, reduce between the top of rotating ring and the top of rotating seat because directly contacting rubbing for generation
It wipes, improves sealing performance between the two.
Further preferably are as follows: rotating ring is using whole silicon carbide structure.
By adopting the above technical scheme, whole silicon carbide structure has good mechanical property and air-tightness, compensates for stationary ring
The displacement of generation makes rotating ring have sealing performance that is compensatory well, while improving rotating ring.
Further preferably are as follows: limit sleeve and axle sleeve dismantling connection.
By adopting the above technical scheme, the position that limit sleeve plays the role of limiting sealing element need to will be limited before starting device
It can be operated normally after set disassembly.
The present invention also provides a kind of encapsulating methods of vertical spheroidal graphite machine mechanically-sealing apparatus, comprising the following steps:
Step 1. sealing fluid enters the space of static components, is full of entire space；
Step 2. sealing fluid forms liquid film between stationary ring and rotating ring；
Step 3. sealing fluid is full of the first gap, and rotating ring is isolated with axle sleeve；
Step 4. sealing fluid enters the second gap, and rotating ring is isolated with rotating seat, forms liquid film；
Step 5. is in the first gap, rotating ring radial floating；
For step 6. in second gap, rotating ring passes through the stop pin axial floating.
By adopting the above technical scheme, make rotating ring that there is floatability, compensate for the axially and radially displacement of sealing device generation,
Improve the compensatory and sealing performance of rotating ring.
Detailed description of the invention
Fig. 1 is dynamic and static ring structural schematic diagram in prior art sealing device；
Fig. 2 is the schematic diagram of sealing device of embodiment；
Fig. 3 is the schematic diagram of sealing device of embodiment；
Fig. 4 is the second stationary ring of embodiment and the connection schematic diagram of inner flange；
In figure, 1- static components；2- rotating ring；3- stop pin；4- sealing ring；The first gap 5-；The second gap 8-；6- limit
Set；7- rotating seat；9- axle sleeve；10- stationary ring；11- stationary seat；12- transition rings.
Specific embodiment
Below in conjunction with attached drawing 2, Fig. 3 and Fig. 4, invention is further described in detail.
A kind of vertical spheroidal graphite machine mechanically-sealing apparatus, for vertical spheroidal graphite machine mechanical seal.
As shown in Figures 2 and 3, including static components 1, rotating ring 2, stop pin 3, limit sleeve 6, rotating seat 7 and axle sleeve 9.
Static components 1 are connect with one end of rotating ring 2, and the other end of rotating ring 2 is connect with one end of stop pin 3, the other end of stop pin 3 with
One end of rotating seat 7 connects, and the other end of rotating seat 7 is connect with limit sleeve 6, and limit sleeve 6 is mounted on axle sleeve 9, limit sleeve 6 and
9 dismantling connection of axle sleeve.Rotating seat 7 is mounted on axle sleeve 9, is provided with sealing ring 4 between rotating seat 7 and axle sleeve 9, in sealing ring 4
It is placed between rotating seat 7 and axle sleeve 9.
As shown in figure 4, static components 1 are made of stationary ring 10, stationary seat 11 and transition rings 12.It is arranged among stationary seat 11
There are transition rings 12, transition rings 12 are embedded in stationary seat 11, and transition rings 12 are fixedly connected with two inner walls of stationary seat 11.Stationary seat 11
End be fixedly connected with one end of stationary ring 10.
Referring to Fig. 4, one end of rotating ring 2 is connect with the other end of stationary ring 10, the other end of one end of rotating ring 2 and stationary ring 10 it
Between there are minimum gap, sealing fluid is full of gap, and very thin liquid film is formed between stationary ring 10 and rotating ring 2.
The second gap 8, the other end of rotating ring 2 and one end of stop pin 3 are equipped between the other end and rotating seat 7 of rotating ring 2
It is flexibly connected, the other end of stop pin 3 is fixedly connected with one end of rotating seat 7, and stop pin 3 passes through the second gap 8 for rotating seat 7
It is connected with rotating ring 2.Rotating ring 2 can carry out axial floating by stop pin 3, compensate for the axial displacement of the generation of static components 1,
And solves the leakage problem that rotating seat 7 directly contacts with rotating ring 2 and occurred.
The first gap 5 is equipped between the bottom and axle sleeve 9 of rotating ring 2, sealing fluid is full of the first gap 5 after entering seal chamber,
Play a part of isolation and lubrication to rotating ring 2 and axle sleeve 9, and rotating ring 2 can do radial floating in the first gap 5, compensate for
The radial displacement that static components 1 generate, while avoiding rotating ring 2 and directly being contacted with axle sleeve 9 and contact face deformation is caused to cause
The problem of leaking.
Rotating ring 2 carries out radial and axial two-way floating, compensates for static components 1 in the displacement axially and radially generated, mentions
The high verticality of seal face.
The top of rotating ring 2 and the top of rotating seat 7 by sealing ring sealing, reduce rotating ring top and rotating seat it is upper
Because of the friction of directly contact generation between portion, sealing performance between the two is improved.Rotating seat 7 is mounted on axle sleeve 9, is moved
The bottom of ring seat 7 is bolted to connection with axle sleeve 9, is sealed between the bottom and axle sleeve 9 of rotating seat 7 by sealing ring 4, close
Seal 4 reduces the leakage between rotating seat 7 and axle sleeve 9, improves sealing performance between the two, and makes sealing ring 4
It is more firmly mounted reliable.The other end of rotating seat 7 is bolted to connection with limit sleeve 6, and limit sleeve 6 plays restriction sealing
Setting position and the effect for controlling a whole set of seal compression.Limit sleeve 6 and 9 dismantling connection of axle sleeve need to take before starting device
Fall limit sleeve 6, can operate normally.
Static components 1: being mounted on inner flange by installation process first, lubricating grease is smeared in the outer wall of axle sleeve 9, in rotating ring
Positioning bolt, sealing ring 4 and rotating ring 2 are successively installed on seat 7, rotating seat 7 is fixed on the outer diameter of axle sleeve 9 with bolt, most
Limit sleeve 6 is mounted on axle sleeve 9 afterwards, limit sleeve 6 and rotating seat 7 are finally consolidated with bolt in the position of fixed rotating seat 7
It is fixed.
A kind of encapsulating method of vertical spheroidal graphite machine mechanically-sealing apparatus, comprising the following steps:
Step 1. sealing fluid enters the space of static components 1, is full of entire space.
Step 2. sealing fluid forms very thin liquid film between the other end of stationary ring 10 and one end of rotating ring 2.
Step 3. sealing fluid is full of the first gap 5, and rotating ring 2 is isolated with axle sleeve 9.
Step 4. sealing fluid enters the second gap 8, and rotating ring 2 is isolated with rotating seat 7, forms liquid film.
Under the influence of centrifugal force, in the first gap 5, rotating ring 2 does radial floating to step 5. sealing fluid, has rotating ring 2
There is floatability, compensate for the radial displacement of the generation of static components 1, makes rotating ring 2 that there is floatability, improve the compensatory of rotating ring,
And improve the sealing performance of sealing device.
The rotation of step 6. axle sleeve 9 drives rotating seat 7 to rotate and simultaneously generates centrifugal force, sealing fluid under the influence of centrifugal force,
In second gap 8, sealing fluid generates pressing force to rotating ring 2 and rotating seat 7 respectively, and rotating ring 2 does axial floating by stop pin 3,
Make rotating ring 2 that there is floatability, compensates for the axial displacement of the generation of static components 1.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the protection scope of invention.
Claims (8)
1. a kind of vertical spheroidal graphite machine mechanically-sealing apparatus, including static components (1), rotating ring (2), stop pin (3), limit sleeve
(6), rotating seat (7) and axle sleeve (9), the static components (1) connect with one end of the rotating ring (2), the rotating ring (2)
The other end is connect with the one end of the stop pin (3), and the other end of the stop pin (3) and the one end of the rotating seat (7) connect
It connecing, the other end of the rotating seat (7) is connect with the limit sleeve (6), and the limit sleeve (6) is mounted on the axle sleeve (9),
The rotating seat (7) is mounted on the axle sleeve (9)；It is characterized by: the bottom of the rotating ring (2) and the axle sleeve (9) it
Between be equipped with the first gap (5), it is described equipped with the second gap (8) between the other end and the rotating seat (7) of the rotating ring (2)
Stop pin (3) passes through the second gap (8) and connects rotating seat (7) and rotating ring (2).
2. a kind of vertical spheroidal graphite machine mechanically-sealing apparatus according to claim 1, it is characterised in that: the rotating ring (2)
Pass through the stop pin (3) axial floating.
3. a kind of vertical spheroidal graphite machine mechanically-sealing apparatus according to claim 1, it is characterised in that: the rotating ring (2)
In the interior radial floating of first gap (5).
4. a kind of vertical spheroidal graphite machine mechanically-sealing apparatus according to claim 1, it is characterised in that: the rotating seat
(7) it is provided between the axle sleeve (9) sealing ring (4), is placed on the rotating seat (7) and the axis in the sealing ring (4)
It covers between (9).
5. a kind of vertical spheroidal graphite machine mechanically-sealing apparatus according to claim 1, it is characterised in that: the rotating ring (2)
Top and the rotating seat (7) top by sealing ring sealing.
6. a kind of vertical spheroidal graphite machine mechanically-sealing apparatus according to claim 1, it is characterised in that: the rotating ring (2)
Using whole silicon carbide structure.
7. a kind of vertical spheroidal graphite machine mechanically-sealing apparatus according to claim 1, it is characterised in that: the limit sleeve
(6) with the axle sleeve (9) dismantling connection.
8. a kind of encapsulating method of vertical spheroidal graphite machine mechanically-sealing apparatus: the following steps are included:
Step 1. sealing fluid enters the space of the static components (1), is full of entire space；
Step 2. sealing fluid forms liquid film between the stationary ring (10) rotating ring (2)；
Step 3. sealing fluid is full of first gap (5), and the rotating ring (2) is isolated with the axle sleeve (9)；
Step 4. sealing fluid enters second gap (8), and the rotating ring (2) is isolated with the rotating seat (7), forms liquid
Film；
Step 5. is in first gap (5), rotating ring (2) radial floating；
For step 6. in second gap (8), the rotating ring (2) passes through the stop pin (3) axial floating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355741.4A CN110005812A (en) | 2019-04-29 | 2019-04-29 | A kind of vertical spheroidal graphite machine mechanically-sealing apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355741.4A CN110005812A (en) | 2019-04-29 | 2019-04-29 | A kind of vertical spheroidal graphite machine mechanically-sealing apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110005812A true CN110005812A (en) | 2019-07-12 |
Family
ID=67175064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910355741.4A Withdrawn CN110005812A (en) | 2019-04-29 | 2019-04-29 | A kind of vertical spheroidal graphite machine mechanically-sealing apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110005812A (en) |
-
2019
- 2019-04-29 CN CN201910355741.4A patent/CN110005812A/en not_active Withdrawn
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190712 |