CN110185800A - Space flight radial seal elastic element installation method - Google Patents
Space flight radial seal elastic element installation method Download PDFInfo
- Publication number
- CN110185800A CN110185800A CN201910314207.9A CN201910314207A CN110185800A CN 110185800 A CN110185800 A CN 110185800A CN 201910314207 A CN201910314207 A CN 201910314207A CN 110185800 A CN110185800 A CN 110185800A
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- China
- Prior art keywords
- seal
- elastic element
- radial
- radial seal
- sealing
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Classifications
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- 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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- 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
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3268—Mounting of sealing rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The present invention provides a kind of space flight radial seal elastic element installation methods, radial seal elastic element is respectively fitted on rotary shaft base, positive seal receptacle, reversed seal receptacle and sealing footstock, after the damaged degree for detecting radial seal elastic element, seal assembly on the left of pre-assembled, seal assembly on the right side of pre-assembled, neutrality is adjusted, assembles fastener.The method makes radial seal elastic element good to neutrality, avoids sealing surface uneven wear, extends the dynamic sealing service life；The entirety of seal receptacles at different levels is good to neutrality, avoids certain level-one eccentric, causes radial seal elastic element eccentric, abrasion increase；Gluing process ensures the in-orbit long-time service of fastener, will not loosen；Radial seal elastic element assembly situation can detecte, and radial seal elastic element is damaged when effectively avoiding installing, and ensure that dynamic sealing effect；Four layers of reverse sealing structure effectively avoid positive and reversed leakage at dynamic sealing.
Description
Technical field
The present invention relates to space industries, and in particular, to a kind of space flight radial seal elastic element installation method.
Background technique
Space technology is successively fastened using the mainly successively installation of sealing mounting means at present.Existing installation method is deposited
In following problem: sealing element and seal receptacle are after layer-by-layer installation, since the installation between seal receptacle, mismachining tolerance lead to elastic member
Part is eccentric, increases the frictional force between sealed elastic element and shaft, reduces sealed elastic component life.Therefore one kind is developed
Space flight is seemed very necessary with radial seal elastic element installation method.
Summary of the invention
For the defects in the prior art, the object of the present invention is to provide a kind of space flight radial seal elastic elements to install
Method.
A kind of space flight radial seal elastic element installation method provided according to the present invention, comprising the following steps:
Elastic sealing elements pre-loading step: by radial seal elastic element be respectively fitted to rotary shaft base, positive seal receptacle,
On reversed seal receptacle and sealing footstock, the radial seal elastic element and rotary shaft base form first assembly, and the radial direction is close
It seals elastic element and positive seal receptacle forms the second component, the radial seal elastic element and reversed seal receptacle form third group
Part, the radial seal elastic element and sealing footstock form the 4th component；
Left side seal assembly pre-assembling step: the second component is assembled in first assembly, and transition seal seat is assembled to
On second component, the first assembly, the second component, transition seal seat both pass through shaft；
Right side seal assembly pre-assembling step: third component, the 4th component are sequentially passed through into the shaft respectively；
To neutral set-up procedure: rotating shaft repeatedly, so that radial spring seal element, positive seal receptacle, transition seal
Seat, reversed seal receptacle, sealing footstock are respectively completed and adjust to neutrality.
Preferably, it after the elastic sealing elements pre-loading step, carries out element rupture detecting step: checking radial bullet
The damaged degree of property sealing element.
Preferably, space flight radial seal elastic element installation method, further includes fastener installation step: will be tight
Firmware smears locking glue, and during rotating shaft, fastener is respectively assembled to positive seal receptacle, transition seal seat, reversed
Seal receptacle, sealing footstock, wait setting time, so that locking adhesive curing.
Preferably, the radial spring seal element uses composite material and microsprings structure, to meet radial seal
It is required that.
Preferably, the waiting setting time is located in air, waits for 24 hours, the solidification of sealant is completed.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the present invention uses four layers of reverse sealing structure, can effectively avoid positive and reversed leakage at dynamic sealing；
2, positive seal receptacle 2, transition seal seat 3, reversed seal receptacle 4 and sealing 5 pairs of neutrality of footstock are good, avoid certain level-one inclined
The heart causes radial seal elastic element 6 eccentric, and abrasion increases；
3, radial seal elastic element 6 assembles situation and can detecte, and radial seal elastic element 6 when installation is effectively avoided to break
Damage, ensure that dynamic sealing effect；
4,6 pairs of neutrality of radial seal elastic element are good, avoid sealing surface uneven wear, extend the dynamic sealing service life；
5, gluing process ensures the in-orbit long-time service of fastener, will not loosen.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is space flight radial seal elastic element installation method structural schematic diagram.
In the figure, it is marked as 1-rotary shaft base, 2-positive seal receptacles, 3-transition seal seats, 4-stop reversed seal receptacle,
5-sealing footstocks, 6-radial seal elastic elements, 7-shafts, 8-fasteners.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
A kind of space flight radial seal elastic element installation method provided according to the present invention, comprising the following steps:
Elastic sealing elements pre-loading step: radial seal elastic element 6 is respectively fitted to rotary shaft base 1, positive sealing
On seat 2, reversed seal receptacle 4 and sealing footstock 5, the radial seal elastic element 6 forms first assembly, institute with rotary shaft base 1
It states radial seal elastic element 6 and positive seal receptacle 2 forms the second component, the radial seal elastic element 6 and reversed sealing
Seat 4 forms third component, and the radial seal elastic element 6 forms the 4th component with sealing footstock 5；
Left side seal assembly pre-assembling step: the second component is assembled in first assembly, and transition seal seat 3 is assembled to
On second component, the first assembly, the second component, transition seal seat 3 both pass through shaft 7；
Right side seal assembly pre-assembling step: third component, the 4th component are sequentially passed through into the shaft 7 respectively；
To neutral set-up procedure: rotating shaft 7 repeatedly, so that radial spring seal element 6, positive seal receptacle 2, transition are close
Envelope seat 3, reversed seal receptacle 4, sealing footstock 5 are respectively completed and adjust to neutrality.
Specifically, space flight radial seal elastic element installation method is pre-installed in the elastic sealing elements and is walked
After rapid, element rupture detecting step is carried out: checking the damaged degree of radial spring seal element 6, can effectively avoid installing
When radial seal elastic element 6 it is damaged, ensure that dynamic sealing effect.
Specifically, space flight radial seal elastic element installation method, further includes fastener installation step: will be tight
Firmware 8 smears locking glue, during rotating shaft 7, by fastener 8 be respectively assembled to positive seal receptacle 2, transition seal seat 3,
Reversed seal receptacle 4, sealing footstock 5, wait setting time, so that locking adhesive curing.
Specifically, the radial spring seal element 6 uses composite material and microsprings structure, to meet radial seal
It is required that.Preferably, 6 pairs of neutrality of radial seal elastic element are good, avoid sealing surface uneven wear, extend the dynamic sealing service life.It is at different levels
The entirety of seal receptacle is good to neutrality, avoids certain level-one eccentric and causes radial seal elastic element 6 eccentric, abrasion increase.It is described
Seal receptacles at different levels refer to positive seal receptacle 2, transition seal seat 3, reversed seal receptacle 4, sealing footstock 5, composition level Four seal receptacle
Four layers of reverse sealing structure effectively avoid positive and reversed leakage at dynamic sealing.
Specifically, the waiting setting time is located in air, waits for 24 hours, the solidification of sealant is completed.It is preferred that
Ground, the locking glue of smearing ensure the in-orbit long-time service of fastener using gluing process, will not loosen.
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in Figure 1, radial seal elastic element 6 is respectively fitted to rotary shaft base 1, positive seal receptacle 2, reversed sealing
On seat 4 and sealing footstock 5, check whether radial seal elastic element 6 has breakage after the assembly is completed；Across shaft 7, diameter will be housed
It is assemblied in rotary shaft base 1 to the positive seal receptacle 2 of sealed elastic element 6, does not assemble fastener 8；Across shaft 7, by transition
Seal receptacle 3, which is assemblied in, becomes a full member on seal receptacle 2, does not assemble fastener 8；Across shaft 7, radial seal elastic element 6 will be housed
Reversed seal receptacle 4 be assemblied on transition seal seat 3, do not assemble fastener 8；It, will be equipped with radial seal elasticity member across shaft 7
The sealing footstock 5 of part 6 is assemblied on reversed seal receptacle 4, does not assemble fastener 8；Rotating shaft 7 repeatedly, so that elastic packing is first
Part 6 and Ge Dao seal receptacle are completed to adjust neutrality；After fastener 8 is smeared locking glue, by fastener while rotating shaft 7
8 are assembled on rotary shaft base 1, positive seal receptacle 2, reversed seal receptacle 4 and sealing footstock 5；It places in air, waits for 24 hours, it is complete
At the solidification of sealant.Assembly method of the invention can ensure radial seal elastic element 6, positive seal receptacle 2, transition seal seat
3, reversed seal receptacle 4 and sealing footstock 5 to neutral good, phenomenon without acceptance of persons；Gluing process ensures the in-orbit long-time service of fastener；
Radial seal elastic element assembly situation can detecte；Four layers of reverse sealing structure avoid positive and reversed leakage at dynamic sealing.
In the description of the present application, it is to be understood that term " on ", "front", "rear", "left", "right", " is erected at "lower"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is set, description the application is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (5)
1. a kind of space flight radial seal elastic element installation method, which comprises the following steps:
Elastic sealing elements pre-loading step: radial seal elastic element (6) is respectively fitted to rotary shaft base (1), positive sealing
In seat (2), reversed seal receptacle (4) and sealing footstock (5), the radial seal elastic element (6) and rotary shaft base (1) form the
One component, the radial seal elastic element (6) and positive seal receptacle (2) form the second component, the radial seal elasticity member
Part (6) and reversed seal receptacle (4) form third component, the radial seal elastic element (6) and sealing footstock (5) composition the 4th
Component；
Left side seal assembly pre-assembling step: the second component is assembled in first assembly, and transition seal seat (3) is assembled to
On two components, the first assembly, the second component, transition seal seat (3) both pass through shaft (7)；
Right side seal assembly pre-assembling step: third component, the 4th component are sequentially passed through into the shaft (7) respectively；
To neutral set-up procedure: rotating shaft (7) repeatedly, so that radial spring seal element (6), positive seal receptacle (2), transition
Seal receptacle (3), reversed seal receptacle (4), sealing footstock (5), which are respectively completed, adjusts neutrality.
2. space flight according to claim 1 radial seal elastic element installation method, which is characterized in that in the elasticity
After sealing element pre-loading step, element rupture detecting step is carried out: checking the damaged degree of radial spring seal element (6).
3. space flight according to claim 1 radial seal elastic element installation method, which is characterized in that further include fastening
Part installation step: fastener (8) are smeared into locking glue and are respectively assembled to fastener (8) just during rotating shaft (7)
To seal receptacle (2), transition seal seat (3), reversed seal receptacle (4), sealing footstock (5), setting time is waited, so that locking glue
Solidification.
4. space flight according to claim 1 radial seal elastic element installation method, which is characterized in that the radial direction bullet
Property sealing element (6) use composite material and microsprings structure, to meet radial seal requirement.
5. space flight according to claim 1 radial seal elastic element installation method, which is characterized in that the waiting is set
It fixes time and is located in air, wait for 24 hours, the solidification of sealant is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314207.9A CN110185800A (en) | 2019-04-18 | 2019-04-18 | Space flight radial seal elastic element installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910314207.9A CN110185800A (en) | 2019-04-18 | 2019-04-18 | Space flight radial seal elastic element installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185800A true CN110185800A (en) | 2019-08-30 |
Family
ID=67714726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910314207.9A Pending CN110185800A (en) | 2019-04-18 | 2019-04-18 | Space flight radial seal elastic element installation method |
Country Status (1)
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| CN (1) | CN110185800A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308605C (en) * | 2000-12-28 | 2007-04-04 | B+V工业技术股份有限公司 | Sealing apparatus for rotating shaft especially ship trailing axle tube |
| CN201359087Y (en) * | 2009-01-22 | 2009-12-09 | 江苏华阳重工科技股份有限公司 | High pressure-resistant oil-lubricated sealing device for ships |
| EP2452871A1 (en) * | 2009-07-07 | 2012-05-16 | Wartsila Japan Ltd. | Seal device and method for replacement of seal for propeller shaft of marine vessel |
| CN103835863A (en) * | 2014-03-07 | 2014-06-04 | 国电联合动力技术有限公司 | Undersea sealing system, tidal power generation unit applying same and application method |
| CN104165227A (en) * | 2014-07-30 | 2014-11-26 | 中国船舶重工集团公司第七0四研究所 | Dismountable rotating shaft lip seal device |
| CN105299234A (en) * | 2015-11-04 | 2016-02-03 | 中国航空动力机械研究所 | Sealing device and aircraft engine with same |
| JP2017223319A (en) * | 2016-06-17 | 2017-12-21 | 株式会社ミツバ | Seal member and motor |
| CN208040973U (en) * | 2018-04-03 | 2018-11-02 | 江苏新界机械配件有限公司 | A kind of bearing block assembly of enhancing sealing |
-
2019
- 2019-04-18 CN CN201910314207.9A patent/CN110185800A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308605C (en) * | 2000-12-28 | 2007-04-04 | B+V工业技术股份有限公司 | Sealing apparatus for rotating shaft especially ship trailing axle tube |
| CN201359087Y (en) * | 2009-01-22 | 2009-12-09 | 江苏华阳重工科技股份有限公司 | High pressure-resistant oil-lubricated sealing device for ships |
| EP2452871A1 (en) * | 2009-07-07 | 2012-05-16 | Wartsila Japan Ltd. | Seal device and method for replacement of seal for propeller shaft of marine vessel |
| CN103835863A (en) * | 2014-03-07 | 2014-06-04 | 国电联合动力技术有限公司 | Undersea sealing system, tidal power generation unit applying same and application method |
| CN104165227A (en) * | 2014-07-30 | 2014-11-26 | 中国船舶重工集团公司第七0四研究所 | Dismountable rotating shaft lip seal device |
| CN105299234A (en) * | 2015-11-04 | 2016-02-03 | 中国航空动力机械研究所 | Sealing device and aircraft engine with same |
| JP2017223319A (en) * | 2016-06-17 | 2017-12-21 | 株式会社ミツバ | Seal member and motor |
| CN208040973U (en) * | 2018-04-03 | 2018-11-02 | 江苏新界机械配件有限公司 | A kind of bearing block assembly of enhancing sealing |
Non-Patent Citations (1)
| Title |
|---|
| 初嘉鹏等: "《机械设计基础》", 30 November 2006, 中国计量出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20190830 |