CN208487213U - A kind of Split mechanical seal peculiar to vessel - Google Patents
A kind of Split mechanical seal peculiar to vessel Download PDFInfo
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- CN208487213U CN208487213U CN201821085519.4U CN201821085519U CN208487213U CN 208487213 U CN208487213 U CN 208487213U CN 201821085519 U CN201821085519 U CN 201821085519U CN 208487213 U CN208487213 U CN 208487213U
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- ring
- seat
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- spring
- spring base
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Abstract
The utility model provides a kind of Split mechanical seal peculiar to vessel, belongs to mechanical rotatory sealing field, the sealing for whole mechanical seal heavy equipment rotation portion peculiar to vessel not easy to install and non-removable.The present apparatus is made of rotating ring and rotating seat, stationary ring and stationary seat, spring base, soket head cap screw, stop pin, positioning pin and sealing ring.Rotating ring selects silicon carbide, it is splitted naturally using the cutting tooling of customization, stationary ring selects graphite, it is splitted naturally using the cutting tooling of customization, rotating seat, stationary seat and spring base are divided into two valves using the method for wire cutting, and rotating ring closes up naturally to be placed in rotating seat, then it locks to form a component by screw, stationary ring closes up naturally to be placed in stationary seat, then locks to form another component by screw, and spring base is a global facility by screw locking.The present apparatus is a kind of new structure design, can realize the installation and removal of heavy equipment rotation portion sealing peculiar to vessel easily.
Description
Technical field
The utility model relates to a kind of Split type mechanical seal devices peculiar to vessel, belong to mechanical rotatory sealing, pacify for being not easy
The sealing of the heavy equipment rotation portion peculiar to vessel of assembly and disassembly.
Background technique
The major impetus source of certain high speed power output systems peculiar to vessel is gas turbine, gas turbine and main gear reducer it
Between using diaphragm coupling connect, main gear reducer using sliding bearing as rotation support, due to gas turbine and main gear reducer
Between a cover be installed wrap up shaft coupling, when the rotation of the main shaft of gas turbine, diaphragm coupling is equivalent to cover
One impeller is easy to extract out in cover close to the air of main gear reducer and form negative pressure.Keep main gear reducer sliding after forming negative pressure
High pressure oil in dynamic bearing flows into gas turbine, impacts to the safe and stable operation of gas turbine, is specifically detailed in attached drawing 1
Shown, speed reducer is 101 in figure, gas turbine 102, cover are that 103, subdivision mechanical seal installation site is 104, negative pressuren zone
Domain is 105, and diaphragm coupling is 106, airflow direction 107.
Traditional Split mechanical seal is as shown in figure 3, in existing gas turbine axle sealing structure, usually in combustion gas wheel
Machine output end and final gear device input terminal use Split mechanical seal, but this Split mechanical seal mechanism,
Often there is oil leak.
Utility model content
The purpose of this utility model is that a kind of new Split mechanical seal structure is designed, for solving existing subdivision
There is oil leak in formula mechanical seal, it is ensured that dynamical system reliability service.
The utility model adopts the following technical solution:
A kind of Split mechanical seal peculiar to vessel, including rotating ring 4, rotating seat 1, stationary ring 5, stationary seat 7, spring base 8, rotating seat
1 by wire cutting cutting is two valves, and draw-bore is matched on 1 cutting plane of rotating seat, with boring and tapping screw hole, and is carried out at grinding
The cutting tooling for using customization is splitted naturally as the installation splicing of the rotating ring 4 of two valves in rotating seat 1, utilizes rotating seat 1 by reason
The anti-locating snap ring 4 of stop pin rotates, and is connected and fixed by the radial lock-screw and shop bolt of rotating seat 1 in the axis of rotary shaft
On shoulder；
Stationary seat 7 is two valves by wire cutting mode subdivision, draw-bore is matched on the cutting plane of stationary seat 7, with boring and attack
Silk screw hole, and cutting plane is ground, stationary ring 5 uses the cutting tooling nature cutting of customization for two valves, and stationary ring 5 is closed
Hold together to be installed in stationary seat 7, and 5 one side of stationary ring is made to compress rotating ring 4, is connected and fixed by radial lock-screw and shop bolt
On the rotary shaft；
Spring base 8 is split up into two valves by wire cutting, and draw-bore is matched on 8 cutting plane of spring base, matches brill and tapping screw hole,
And cutting plane is ground, on the rotary shaft by two valve spring bases 8 splicing installation, spring is uniformly placed in the spring eye of spring base 8
14, spring 14 acts on stationary seat 7, and radially spring base 8 is connected and fixed by screw and shop bolt, and uses end cap
On screw fixed spring seat 8.
The further technical solution of the utility model is to be equipped with stop pin on the spring base 8.
The further technical solution of the utility model is that O-ring seals c13, ptfe ring 12, tension spring 22 form disc peace
In the cavity that spring base 8 is contacted with rotary shaft.
The further technical solution of the utility model is that O-ring seals c13 is installed in ptfe ring 12, passes through tension spring 22
Fixed together is on the rotary shaft rotary shaft on the inside of O-ring seals c13, is spring base 8 on the outside of tension spring 22.
The further technical solution of the utility model is that guarantee is also equipped on the inner hole that spring base 8 is contacted with rotary shaft
The centering ring 19 of spring base concentricity.
The further technical solution of the utility model is to be mounted on O on the inner hole that the end cap is contacted with spring base 8
Shape sealing ring.
The further technical solution of the utility model is that the screw on the end cap has soket head cap screw c17 and outer-hexagonal
Screw 10, soket head cap screw c17 are used for fixed spring seat 8, and outer-hexagonal bolts 10 are for fixing oil scraper ring 27.
The further technical solution of the utility model is that the rotating ring 4 selects carbofrax material；Stationary ring 5 selects graphite
Material.
For the utility model compared with conventional seals, the requirement to mounting technique personnel is lower, has simple installation, reliability
The advantages that high, non-maintaining, long service life, plug and play, solves now Packed Leakage, it is ensured that gas turbine can
By operation.
Detailed description of the invention
Fig. 1 is background technique Split mechanical seal installation site structural schematic diagram；
Fig. 2 is the Split mechanical seal structural schematic diagram of the utility model；
Fig. 3 is traditional Split mechanical seal structural schematic diagram.
In figure: 1- rotating seat, 2- stop pin a, 3-O shape sealing ring a, 4- rotating ring, 5- stationary ring, 6-O shape sealing ring b, 7- are quiet
Ring seat, 8- spring base, 9- soket head cap screw a, 10- outer-hexagonal bolts, 11- stop pin b, 12- ptfe ring, 13-O shape sealing ring c,
14- spring, 15- soket head cap screw b, 16- shop bolt a, 17- soket head cap screw c, 18-O shape sealing ring c, 19- centering ring,
20-O shape sealing ring d, 21-O shape sealing ring e, 22- tension spring, 23- soket head cap screw d, 24- stop pin c, 25- shop bolt b,
26- shop bolt c, 27- oil scraper ring.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below technical side in the utility model
Case is clearly and completely described, it is clear that and the embodiments are a part of the embodiments of the present invention, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
As shown in Fig. 2, a kind of Split mechanical seal peculiar to vessel of the utility model, it includes rotating seat 1, rotating ring 4, stationary ring
Seat 7, stationary ring 5, spring base 8.
Rotating seat 1 is split up into two valves using wire cutting, carried out on the cutting plane of rotating seat 1 screw hole and pin hole with boring and
Tapping, and grinding to the face after cutting will install on the rotary shaft after 1 split of rotating seat, by shop bolt a16 and interior
Two valve rotating seats 1 are fixedly connected by hex screw a9, and rotating seat 1 is fixed on the shaft shoulder using stop pin b11.
Rotating ring 4 uses the cutting tooling of customization to be splitted naturally as two valves, is installed in rotating seat 1, in rotating ring 4 and moves
It is also equipped with O-ring seals e21 on the end face that ring seat 1 contacts, O-ring seals are installed on the face that rotating ring 4 is contacted with rotary shaft
Rotating ring 4 is fixed on rotating seat 1 by a3 using stop pin a2, and rotating ring 4 forms moving ring assembly with rotating seat 1 together.
Stationary ring 5 is splitted naturally using the tooling of customization is divided into two valves, is installed in stationary seat 7, is formed after combination quiet
Ring assemblies, and make the tight rotating ring 4 of 5 one end face pressure of stationary ring；
Stationary seat 7 uses the cutting of wire cutting mode for two valves, carried out on cutting plane screw hole and pin hole with boring and tapping,
And the face after cutting is ground, it is installed in rotary shaft after stationary seat 7 is spliced, using soket head cap screw d23, positioning pin
Two valve stationary seats 7 are connected and fixed by nail b25.
Spring base 8 is splitted using wire cutting and is divided into two valves, cutting plane position carry out screw hole and pin hole with boring and tapping,
And the face after cutting is ground, it is installed in rotary shaft after splicing, is connected and fixed using soket head cap screw b15, shop bolt c26,
And stationary seat 7 and spring base 8 are connected and fixed by stop pin c24.
The further technical solution of the utility model is uniformly to be placed with spring 14 in the spring eye of the spring base 8,
The active force of spring acts in static components, and the compression of static components and moving ring assembly seals.
The further technical solution of the utility model is that O-ring seals c13, ptfe ring 12, tension spring 22 form disc peace
On the end face that spring base 8 is contacted with rotary shaft.
The further technical solution of the utility model is that O-ring seals c13 is installed in ptfe ring 12, passes through tension spring 22
Fixed together is on the rotary shaft rotary shaft on the inside of O-ring seals c13, is spring base 8 on the outside of tension spring 22.
The further technical solution of the utility model is that guarantee is also equipped on the inner hole that spring base 8 is contacted with rotary shaft
The centering ring 19 of spring base concentricity.
The further technical solution of the utility model is to be mounted on O on the end face that the end cap is contacted with spring base 8
Shape sealing ring is O-ring seals d20 in axial direction, is radially O-ring seals c18.
The further technical solution of the utility model is that the screw on the end cap has soket head cap screw c17 and outer-hexagonal
Screw 10, soket head cap screw layer c17 are used for fixed spring seat 8, and outer-hexagonal bolts 10 are for fixing oil scraper ring 27.
Above-mentioned Split mechanical seal peculiar to vessel is mounted on the negative pressure region position of speed reducer in Fig. 1, although dissection type is mechanical
It is sealed to be mounted on negative pressure region, but since Split mechanical seal is that the effect of spring is leaned on to be adjacent to rotating ring and stationary ring, bullet
Spring is greater than negative pressure than pressure, ensure that sealing surface is not revealed.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (7)
1. a kind of Split mechanical seal peculiar to vessel, including rotating ring (4), rotating seat (1), stationary ring (5), stationary seat (7), spring base
(8) it is characterized in that, it is two valves that rotating seat (1) is cut by wire cutting, draw-bore is matched on rotating seat (1) cutting plane, with brill
With tapping screw hole, and cutting plane is ground, the cutting tooling of customization will be used to split the rotating ring (4) for two valves naturally
Installation splicing is rotated in rotating seat (1) using the anti-locating snap ring of stop pin (4) of rotating seat (1), and passes through rotating seat (1)
Radial lock-screw and shop bolt are connected and fixed on the shaft shoulder of rotary shaft；
Stationary seat (7) is two valves by wire cutting mode subdivision, draw-bore is matched on the cutting plane of stationary seat (7), with boring and attack
Silk screw hole, and cutting plane is ground, stationary ring (5) uses the cutting tooling nature cutting of customization for two valves, by stationary ring
(5) close up and be installed in stationary seat (7), and stationary ring (5) one side is made to compress rotating ring (4), pass through radial lock-screw and positioning
Pin is connected and fixed on the rotary shaft；
Spring base (8) is split up into two valves by wire cutting, and draw-bore is matched on spring base (8) cutting plane, matches brill and tapping screw hole,
And cutting plane is ground, on the rotary shaft by two valve spring bases (8) splicing installation, uniformly placed in the spring eye of spring base (8)
Spring (14), spring (14) act on stationary seat (7), are radially coupled spring base (8) by screw and shop bolt solid
It is fixed, and use the screw fixed spring seat (8) on end cap.
2. a kind of Split mechanical seal peculiar to vessel according to claim 1, which is characterized in that on the spring base (8)
Stop pin is installed.
3. a kind of Split mechanical seal peculiar to vessel according to claim 1, which is characterized in that O-ring seals c (13), four
Fluorine ring (12), the installation of tension spring (22) composition disc are on the rotary shaft.
4. a kind of Split mechanical seal peculiar to vessel according to claim 3, which is characterized in that O-ring seals c (13) installation
In ptfe ring (12), fixed together by tension spring (22) is on the rotary shaft rotary shaft on the inside of O-ring seals c (13), tension spring
(22) outside is spring base (8).
5. a kind of Split mechanical seal peculiar to vessel according to claim 2, which is characterized in that spring base (8) and rotary shaft
The centering ring (19) for guaranteeing spring base concentricity is also equipped on the inner hole of contact.
6. a kind of Split mechanical seal peculiar to vessel according to claim 1, which is characterized in that the end cap and spring base
(8) O-ring seals are mounted on the inner hole contacted.
7. a kind of Split mechanical seal peculiar to vessel according to claim 1, which is characterized in that the screw on the end cap has
Soket head cap screw c (17) and outer-hexagonal bolts (10), soket head cap screw c (17) are used for fixed spring seat (8), outer-hexagonal bolts
(10) for fixing oil scraper ring (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821085519.4U CN208487213U (en) | 2018-07-10 | 2018-07-10 | A kind of Split mechanical seal peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821085519.4U CN208487213U (en) | 2018-07-10 | 2018-07-10 | A kind of Split mechanical seal peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208487213U true CN208487213U (en) | 2019-02-12 |
Family
ID=65246229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821085519.4U Active CN208487213U (en) | 2018-07-10 | 2018-07-10 | A kind of Split mechanical seal peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208487213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679230A (en) * | 2018-07-10 | 2018-10-19 | 无锡全世全流体科技有限公司 | A kind of Split mechanical seal peculiar to vessel |
-
2018
- 2018-07-10 CN CN201821085519.4U patent/CN208487213U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679230A (en) * | 2018-07-10 | 2018-10-19 | 无锡全世全流体科技有限公司 | A kind of Split mechanical seal peculiar to vessel |
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