CN206268444U - For the stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus - Google Patents
For the stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus Download PDFInfo
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- CN206268444U CN206268444U CN201621159241.1U CN201621159241U CN206268444U CN 206268444 U CN206268444 U CN 206268444U CN 201621159241 U CN201621159241 U CN 201621159241U CN 206268444 U CN206268444 U CN 206268444U
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- stationary
- stationary ring
- ring
- radial direction
- sealing
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Abstract
The utility model is related to a kind of stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus, including seal box, the stationary seat for being provided with stationary ring in seal box, the stationary seat to be arranged in seal box, by sealing ring axial slip and sealing；Supporting and space is left between the inwall of the stationary seat and the outer wall of axle sleeve, the stationary ring radial direction adjustment mechanism for overcoming stationary ring and stationary seat to sink by gravity is installed in the supporting and space.The utility model compensates stationary ring because gravity causes dynamic and static ring decentraction problem for large-diameter mechanical seal, and the not uniform problem of frictional force on the sealing ring circumferential clearance axial circumferencial direction of unequal cause sealed between stationary ring and stationary seat, ensure the stability and reliability of capabilities of user devices, the run, drip, leak of equipment sealing are solved the problems, such as simultaneously, extend the service life of sealing device.
Description
Technical field
The utility model is related to mechanical seal field, in particular, is related to a kind of for mechanically-sealing apparatus
Stationary ring radial direction adjustment mechanism.
Background technology
At present, domestic and international large dredger uses L-type rubber seal device with shaft sealer, and its operation principle is quiet
3 road L-type rubber blankets only and the axle sleeve dynamic friction of rotation, provide high pressure clean water to lubricate between L-type rubber seal
And pumped medium is intercepted, provide wear-compensating using the natural resiliency of rubber and its incidental spring and reach sealing purpose,
See Fig. 1.This sealing device adaptation condition narrow range, service life is unstable, and actual life is generally 1 to 6 month, by inclined
Pendulum, vibration, sharp particle and solid particle erosion, marine creature attachment, the influence of pump pressure operating mode, cause sealing using effect not
Stabilization, frequently there is eccentric wear and violent abrasive wear and cause system service life to shorten (actual life is generally 1~6
Month).The maintenance dismounting time-consuming many, cycle of large-scale dredge pump is long, reduces the utilization rate of equipment and installations of dredge pump, not only expends substantial amounts of maintenance
Fund, also slatterns dredger many preciousness engineering times.
In existing mechanical seal structure, compensation stationary ring is generally unbraced structure, especially large-diameter (300 millimeters of ∮ with
On) the alloy seal ring of mechanical seal, easily cause the upper and lower decrement of stationary ring sealing ring inconsistent due to weight issue, influence close
Envelope effect and to not uniform on axial friction circumferencial direction, the final partially sealed failure of sealing ring, or seal face circumference is received
Power is uneven to trigger seal failure leakage；The support of compensation stationary ring is as a difficult point in mechanical seal structure design.
A kind of large dredger with secondary protection device resistance to mechanical seal of shaking, publication number disclosed in prior art
CN201858359U, cannot overcome stationary ring and stationary seat to sink to causing eccentric wear and violent abrasive material to grind because of gravity in this kind of mechanical seal
The problem damaged and cause system service life to shorten.Created for this utility model and be specifically designed one kind for mechanically-sealing apparatus
On stationary ring radial direction adjustment mechanism.
The content of the invention
The utility model provides a kind of for large-diameter mechanical seal to solve technical problem present in known technology
Compensation stationary ring causes dynamic and static ring decentraction problem because of gravity, and seals sealing ring circumferential clearance not between stationary ring and stationary seat
Equalization causes the not uniform problem of frictional force on axial circumferencial direction, ensures the stability and reliability of capabilities of user devices, while solution
The certainly run, drip, leak problem of equipment sealing, extend sealing device service life for quiet on mechanically-sealing apparatus
Ring radial direction adjustment mechanism.
The utility model is adopted the technical scheme that to solve technical problem present in known technology：
A kind of stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus, including on seal box (60) internal axle sleeve
Stationary ring (31) and stationary seat (30), the stationary seat (30) in the seal box (60), by sealing ring (32) axially
Sliding and sealing；Supporting and space is left between the inwall of the stationary seat and the outer wall of axle sleeve, is provided with the supporting and space
Stationary ring radial direction adjustment mechanism (3) for overcoming stationary ring and stationary seat to sink by gravity；The stationary ring radial direction adjustment mechanism (3) is including position
Support set (50) between supporting and space internal axle sleeve and stationary seat (30)；One end of the support set is connected with seal box；Institute
The other end upper semicircumference for stating support set is provided with wedge shape adjustment supporting mechanism (5).
The utility model can also use following technical measures：
At least provided with one, each wedge shape adjustment supporting mechanism is evenly distributed on support set to the wedge shape adjustment supporting mechanism
Upper semicircumference end face on, it is symmetrical along center line, at the same when the wedge shape adjustment supporting mechanism for it is multiple when, at least two
It is individual to be centrally located in the region of 45 ° of line both sides.
The wedge shape adjustment supporting mechanism includes wedge-shaped adjusting block, and the support set is provided with and wedge-shaped adjusting block cooperation
Lozenges；The upper surface of the wedge-shaped adjusting block is embedded with the rolling support component fitted with stationary seat inwall；The wedge shape is adjusted
Monoblock is linked together with support set by adjusting screw.
The rolling support component uses ball, and the upper surface of the wedge-shaped adjusting block is provided with the groove of setting-in ball.
Installation step is provided with the inner side axis hole of the seal box, the support set includes installation portion and supporting part, described
Installation portion is inserted into installation step；The supporting part installs wedge shape adjustment supporting mechanism.
The utility model has the advantages and positive effects that：Because the utility model uses above-mentioned technical proposal, have
Advantages below：
1st, the utility model is provided with and overcomes stationary ring to ensure to greatest extent because of the stationary ring radial direction adjustment mechanism that gravity sinks
The pairing stability of dynamic and static ring, in making dynamic and static ring in working order can all the time on same axle center, it is ensured that the work ginseng of sealing
Number is reliable and stable, extends the service life of dynamic and static ring.
2nd, rotating seat is separated with outer shaft in the utility model, and diverse location has the positioning coordinated with rotating seat on outer shaft
Hole, is adjusted according to the change of dredge pump size, is close to fixing bolt fastening positioning, and mode is can adjust by this separately-loaded, can be made
Mechanically-sealing apparatus are easy for installation.
In addition, the utility model is simple to manufacture, small volume is lightweight, easy installation and removal, and all mating parts are added
Work required precision is not high, and functional effect is easily achieved.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is wedge-shaped adjusting block structural representation；
Fig. 3 is wedge shape adjustment supporting mechanism distribution map；
Fig. 4 is the sectional view of stop pin in the utility model；
Fig. 5 is the utility model use state figure.
In figure：1st, axle；2nd, axle sleeve；3rd, stationary ring radial direction adjustment mechanism；5th, wedge shape adjustment supporting mechanism；23rd, rotating seat；24、
Rotating ring；27th, fastening bolt；30th, stationary seat；31st, stationary ring；32nd, sealing ring；33rd, stop pin；40th, throw-out collar；41st, connecting bolt；
50th, support set；502nd, installation portion；503rd, supporting part；51st, wedge-shaped adjusting block；501st, groove；52nd, ball；53rd, adjusting screw；
60th, seal box；61st, installation step；62nd, pilot hole；
Specific embodiment
For utility model content of the present utility model, feature and effect can be further appreciated that, following examples are hereby enumerated, and
Accompanying drawing is coordinated to describe in detail as follows：
Fig. 1 to Fig. 4 is referred to, a kind of stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus, stationary ring is radially adjusted
Mechanism is arranged on axle 1, and existing mechanically-sealing apparatus mainly include seal box 60, and its Main Function is to make a whole set of machinery close
The fixation of stationary part is sealed, stationary ring 31 is not rotated by the rotation of rotating ring 24；The axle sleeve being mounted on an axle in seal box
2, the effect of axle sleeve is the attrition and attack that axle does not receive extraneous factor, the other parts zero for supporting and connecting mechanical seal
Part；The stationary seat 30 of stationary ring 31 is installed on the axle sleeve in seal box 60, and the rotating seat 23 of rotating ring 24 is installed, it is quiet
The sealing ring 32 for realizing floating seal and the stop pin 33 for preventing rotation, stationary ring and rotating ring are provided between ring 31 and stationary seat 30
Anchor ring laminating reaches the sealing function to pump cavity fluid；The stationary seat 30 is arranged in seal box 60, by sealing ring 32
Axial slip and sealing, are provided with throw-out collar 40 between stationary seat 30 and seal box 60, the throw-out collar is by connecting bolt 41 and sealing
Case is connected；Stop pin is provided between the throw-out collar and stationary seat, stop pin side is slidably matched with seal box 60, opposite side with it is quiet
Ring seat 30 coordinates, and its Main Function is to prevent stationary seat 30 to be servo-actuated the rotation of ring seat and rotate；The rotating seat is tight with axle sleeve
It is solidly connected, and is rotated with axle；Rotating ring is rotated with the rotation of axle sleeve 2 when mechanical seal works, two with stationary ring 31
Anchor ring is brought into close contact, and on same axle center, one moves a quiet sealing function reached to pump cavity fluid for rotating ring and stationary ring 31；Mainly
Effect is to make to form a more closed space between seal box 60 and dynamic and static ring, and interior flushing water is taken away by this space
The frictional heat of dynamic and static ring, makes dynamic and static ring be adequately cooled and lubrication；In order to mechanical seal compensates stationary ring because of gravity
Cause dynamic and static ring decentraction problem, and the axial circumference side of the unequal cause of sealing ring circumferential clearance sealed between stationary ring and stationary seat
The not uniform problem of upward frictional force；The utility model is mainly characterized by, between the inwall of the stationary seat and the outer wall of axle sleeve
Supporting and space is left, the stationary ring radial direction adjustment mechanism for overcoming stationary ring and stationary seat to sink by gravity is installed in the supporting and space
3；The stationary ring radial direction adjustment mechanism 3 includes the support set 50 being located between supporting and space internal axle sleeve and stationary seat 30；The branch
One end of support set is closely coupled with seal box, supports the gravity of stationary ring and stationary seat to sink to provide enough support forces；It is described
The other end upper semicircumference of support set is provided with wedge shape adjustment supporting mechanism 5；The wedge shape adjustment supporting mechanism 5 includes that wedge shape is adjusted
Monoblock 51, the support set is provided with the lozenges coordinated with wedge-shaped adjusting block；The upper surface of the wedge-shaped adjusting block is embedded with
The rolling support component 52 fitted with stationary seat inwall；Rolling support component can be rolled with the movement of stationary seat, serve branch
Support and the double action of sliding, the frictional force of rolling support is small, weares and teares low, and service life is into and can realizing automatic aligning
Function；The wedge-shaped adjusting block is linked together with support set by adjusting screw 53, and stationary ring is can adjust by adjusting screw 53
31 is concentric with rotating ring 24, seal box, can all the time on same axle center in making dynamic and static ring in working order, it is ensured that the work of sealing
Parameter stability reliability, extends the service life of dynamic and static ring.
It is minimum in order to reach frictional force, wear and tear minimum, the rolling support component 52 uses ball, the wedge-shaped adjusting block
51 upper surface is provided with the groove 501 of setting-in ball.
At least provided with one, preferably three in the present embodiment, three wedge shape adjustment are supported the wedge shape adjustment supporting mechanism 5
Mechanism is evenly distributed on the upper semicircumference end face of support set.
Installation step 61 is provided with the inner side axis hole of the seal box 60, the support set 50 includes installation portion 502 and branch
Support part 503, the installation portion is inserted into installation step 61；The supporting part installs wedge shape adjustment supporting mechanism 5.
Fig. 5 is referred to, in the case of unsupported, stationary ring can sink large-diameter stationary ring because of gravity, cause stationary ring
Sliding sealing ring decrement is uneven, and stationary ring upper end (a-quadrant) sealing ring frictional force reduces, or even can disappear, and may directly lead
Mechanical seal leakage is caused, the increase of stationary ring lower end (B regions) sealing ring frictional force hinders spring effect in the balancing force on stationary ring,
Balancing force is reduced or is disappeared, partial end-face may be caused to reveal.The sinking of stationary ring also results in dynamic and static ring matching trim
Change, reduce the area of matching trim, spring pressure increase, frictional force skewness has a strong impact on mechanical seal
Reliability and service life.
By taking large-diameter mechanical seal as an example, influenceed by cavity size, stainless steel parts wall thickness is relatively thin, processing is installed tired
Difficulty, it is yielding after processing, and common support structure has suitable strict requirements for the dimensional tolerance of part, this is caused to production
It is greatly difficult.And the utility model supporting construction is less demanding to the size of part, maximize favourable factors and minimize unfavourable ones, both reduced production and processing
Difficult and cost realize the concentric effect of dynamic and static ring again, and do not influence moving forward and backward for stationary ring.
The utility model in sum, with advantages below：
1st, the utility model is provided with and overcomes stationary ring to ensure to greatest extent because of the stationary ring radial direction adjustment mechanism that gravity sinks
The pairing stability of dynamic and static ring, can all the time on same axle center in making dynamic and static ring in working order, it is ensured that the work of sealing
Parameter stability reliability, extends the service life of dynamic and static ring.
2nd, rotating seat is separated with outer shaft in the utility model, and diverse location has the positioning coordinated with rotating seat on outer shaft
Hole, is adjusted according to the change of dredge pump size, is close to the fastening positioning of fixing bolt 27, and mode is can adjust by this separately-loaded, can
Make mechanically-sealing apparatus easy for installation.
In addition, the utility model is simple to manufacture, small volume is lightweight, easy installation and removal, and all mating parts are added
Work required precision is not high, and functional effect is easily achieved.
The above is only, to preferred embodiment of the present utility model, not to make any formal to the utility model
Limitation, it is every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, equivalent variations with
Modification, belongs in the range of technical solutions of the utility model.
Claims (5)
1. a kind of stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus, including installed in seal box (60) internal axle sleeve (2)
On stationary ring (31) and stationary seat (30), the stationary seat (30) in the seal box (60), by sealing ring (32) axially
Sliding and sealing；It is characterized in that：Supporting and space is left between the inwall of the stationary seat (30) and the outer wall of axle sleeve (2), institute
State stationary ring radial direction adjustment mechanism (3) for being provided with supporting and space and overcoming stationary ring (31) and stationary seat (30) to sink by gravity；Institute
Stating stationary ring radial direction adjustment mechanism (3) includes the support set (50) between supporting and space internal axle sleeve (2) and stationary seat (30)；Institute
The one end for stating support set (50) is connected with seal box (60)；The other end upper semicircumference of the support set (50) is provided with wedge-shaped tune
Whole supporting mechanism (5).
2. the stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus according to claim 1, it is characterised in that：It is described
At least provided with one, each wedge shape adjustment supporting mechanism is evenly distributed on the upper of support set (50) to wedge shape adjustment supporting mechanism (5)
It is symmetrical along center line on semi-circumference end face.
3. the stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus according to claim 1, it is characterised in that：It is described
Wedge shape adjustment supporting mechanism (5) includes wedge-shaped adjusting block (51), and the support set (50) is provided with matches somebody with somebody with wedge-shaped adjusting block (51)
The lozenges of conjunction；The upper surface of the wedge-shaped adjusting block (51) is embedded with the rolling support component fitted with stationary seat (30) inwall
(52)；The wedge-shaped adjusting block (51) is linked together with support set (50) by adjusting screw (53).
4. the stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus according to claim 1, it is characterised in that：It is described
Rolling support component (52) uses ball, and the upper surface of the wedge-shaped adjusting block (51) is provided with the groove (501) of setting-in ball.
5. the stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus according to claim 1, it is characterised in that：It is described
Installation step (61) is provided with the inner side axis hole of seal box (60), the support set (50) includes installation portion (502) and supporting part
(503), the installation portion (502) is inserted into installation step (61)；The supporting part (503) installs wedge shape adjustment supporting mechanism
(5)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621159241.1U CN206268444U (en) | 2016-11-01 | 2016-11-01 | For the stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621159241.1U CN206268444U (en) | 2016-11-01 | 2016-11-01 | For the stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206268444U true CN206268444U (en) | 2017-06-20 |
Family
ID=59039082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621159241.1U Withdrawn - After Issue CN206268444U (en) | 2016-11-01 | 2016-11-01 | For the stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206268444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641261A (en) * | 2016-11-01 | 2017-05-10 | 天津市合润科技有限责任公司 | Radial stationary ring adjusting mechanism for mechanical sealing device |
-
2016
- 2016-11-01 CN CN201621159241.1U patent/CN206268444U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641261A (en) * | 2016-11-01 | 2017-05-10 | 天津市合润科技有限责任公司 | Radial stationary ring adjusting mechanism for mechanical sealing device |
| CN106641261B (en) * | 2016-11-01 | 2018-04-06 | 天津市合润科技有限责任公司 | Stationary ring radial direction adjustment mechanism on mechanically-sealing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170620 Effective date of abandoning: 20180406 |