CN202971841U - Magnetic graphite seal ring mounting seat and drive gear box thereof - Google Patents
Magnetic graphite seal ring mounting seat and drive gear box thereof Download PDFInfo
- Publication number
- CN202971841U CN202971841U CN 201220571570 CN201220571570U CN202971841U CN 202971841 U CN202971841 U CN 202971841U CN 201220571570 CN201220571570 CN 201220571570 CN 201220571570 U CN201220571570 U CN 201220571570U CN 202971841 U CN202971841 U CN 202971841U
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- China
- Prior art keywords
- seal ring
- graphite seal
- magnetic graphite
- fitting seat
- magnetic
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- Expired - Lifetime
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Devices (AREA)
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Abstract
The utility model provides a magnetic graphite seal ring mounting seat which is mounted on a gear box crankcase of an engine, and a crankcase hole is formed in the gear box crankcase. The magnetic graphite seal ring mounting seat comprises an axial spigot matched with the crankcase hole, and a flange plate for detachably fixing the magnetic graphite seal ring mounting seat on the gear box crankcase, wherein the axial spigot is cylindrical, and a magnetic graphite seal ring is arranged at the inner periphery of the axial spigot in a matching manner. The utility model further provides a drive gear box which further comprises the magnetic graphite seal ring mounting seat. When the magnetic graphite seal ring is required to be replaced, the gear box is not required to be dismounted or decomposed wholly, only bolts or screws on the flange plate are required to be dismounted, and the gear box crankcase and the magnetic graphite seal ring mounting seat are separated by a screw rod. In this way, the magnetic graphite seal ring mounting seat and the gear box crankcase are convenient to mount and dismount, and easy to maintain, and the maintainability of the drive gear box is improved greatly.
Description
Technical field
The utility model relates to seal ring fitting seat field, especially, relates to a kind of magnetic graphite seal ring fitting seat.The utility model also relates to a kind of uni-drive gear box that comprises above-mentioned this magnetic graphite seal ring fitting seat.
Background technique
The accessory drive gear case is one of core component of aviation turboshaft engine, and the random annex of aeroengine such as starter generator, fuel pump, blower etc. extensively adopt the magnetic graphite seal ring to obturage with the motive sealing of uni-drive gear box joint.Magnetic gasket is installed O shape rubber seal and is inlayed the rotating ring (pure iron ring) of graphite annulus and the stationary ring (magnet ring) of outer shroud installation O shape rubber seal forms at end face by interior ring, its working principle is to utilize magnet to the attraction force of ferromagnetic metal ring, graphite annulus uniform wear in the relative movement of rotating ring and stationary ring, and the compensation that obtains all the time magnetic force guarantees end face seal to compress graphite annulus.The magnetic graphite seal ring is the contact-type motive sealing, and linear velocity is up to more than 30m/s, and the magnetic graphite seal ring inordinate wear may occur and cause leakage of oil in the long-term using process of motor, needs examination and maintenance.
Traditional mounting structure is to be arranged side by side the mounting hole of magnetic graphite seal ring at gear-box casing inner bearing hole place near the supporting gear axle, the magnetic graphite seal ring is directly installed on casing by gear-box inside, installation, examination and maintenance magnetic graphite seal ring all need decompose whole gear-box, maintenance cost is high, the cycle is long, mounting or dismounting are inconvenient, maintainability is bad, and the casing requirement on machining accuracy is higher.
The model utility content
The utility model purpose is to provide a kind of magnetic graphite seal ring fitting seat and uni-drive gear box thereof, when changing the magnetic graphite seal ring to solve existing needs, uni-drive gear box all need to be dismantled the technical problem of decomposition.
For achieving the above object, according to an aspect of the present utility model, a kind of magnetic graphite seal ring fitting seat is provided, be arranged on the gear-box casing of motor, the gear-box casing is provided with the casing hole, magnetic graphite seal ring fitting seat comprises the axial seam that coordinates with the casing hole and is used for magnetic graphite seal ring fitting seat detachably is fixed on flange plate on the gear-box casing, and axially seam is tubular, axially is equipped with the magnetic graphite seal ring on the interior Zhou Yuan of seam.
Further, on flange plate, along circumferentially evenly being provided with a plurality of mounting holes, flange plate is arranged on the gear-box casing by bolt or screw.
Further, also being symmetrical arranged two on flange plate be used for to install and to pull out the screw thread that unloads screw and pull out and unload the hole.
Further, axially the periphery of seam circle coordinates with the casing interporal lacuna.
Further, axially the periphery of seam circle is provided with for the mounting groove that seal ring is installed.
Further, axially the close flange plate place end of the interior Zhou Yuan of seam is provided with boss, and the magnetic graphite seal ring is arranged on boss.
Further, the coaxality of the interior Zhou Yuan of the periphery of axial seam circle and axial seam is less than or equal to φ 0.02mm.
Further, magnetic graphite seal ring fitting seat adopts the preparation of wrought aluminium base material.
According on the other hand of the present utility model, a kind of uni-drive gear box also is provided, it comprises above-mentioned magnetic graphite seal ring fitting seat, uni-drive gear box also comprises gear shaft, the magnetic graphite seal ring comprises rotating ring and the stationary ring that coordinates with rotating ring, the periphery circle of the cut-off end of gear shaft coordinates with the rotating ring of magnetic graphite seal ring, the outer ring contact magnetic graphite seal ring fitting seat of the stationary ring of magnetic graphite seal ring.
The utlity model has following beneficial effect:
Magnetic graphite seal ring fitting seat of the present utility model is provided with axial seam and flange plate, axially seam coordinates with the casing interporal lacuna, flange plate and gear-box casing removably connect, when needs are changed the magnetic graphite seal ring, no longer need gear-box is all dismantled decomposition, only need the bolt on flange plate or screw disassembling, with screw rod, the gear-box casing is separated with magnetic graphite seal ring fitting seat; Make like this assembling and the dismounting of this magnetic graphite seal ring fitting seat and gear-box casing all very convenient, for ease of maintenaince, significantly improved the maintainability of uni-drive gear box.
Magnetic graphite seal ring fitting seat of the present utility model has improved the assembly precision of magnetic graphite seal ring, compact structure, good sealing effect; And processing and the maintenance cost of this magnetic graphite seal ring fitting seat are low.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.The below is described in further detail the utility model with reference to figure.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the assembling schematic diagram of the magnetic graphite seal ring fitting seat of the utility model preferred embodiment;
Fig. 2 is the cross-sectional schematic of the magnetic graphite seal ring fitting seat of the utility model preferred embodiment; And
Fig. 3 is elevational schematic view shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
Referring to Fig. 1, preferred embodiment of the present utility model provides a kind of magnetic graphite seal ring fitting seat, be arranged on the gear-box casing 10 of motor, gear-box casing 10 is provided with the casing hole, magnetic graphite seal ring fitting seat comprises the axial seam 20 that coordinates with the casing hole and is used for magnetic graphite seal ring fitting seat detachably is fixed on flange plate 30 on gear-box casing 10, axially seam 20 is tubular, axially is equipped with magnetic graphite seal ring 50 on the interior Zhou Yuan of seam 20.Flange plate 30 and the gear-box casing 10 of magnetic graphite seal ring fitting seat of the present utility model removably connect, and are easier to assembling and the dismounting of magnetic graphite seal ring fitting seat and gear-box casing.
Magnetic graphite seal ring 50 is installed O shape rubber seal and is inlayed the rotating rotating ring 52 of graphite annulus and stationary ring 54 that outer shroud is installed O shape rubber seal forms at end face by interior ring, and rotating ring 52 is positioned at the upper end of stationary ring 54.Coordinating with gear shaft 60 of the rotating ring 52 of magnetic graphite seal ring 50, gear shaft 60 rotates, and drives rotating ring 52 and rotates, and stationary ring 54 transfixions form motive sealing thereby make rotating ring 52 produce relative movement with stationary ring 54.
Please in conjunction with referring to Fig. 2, axially seam 20 is cylindric, and its periphery circle coordinates with the casing interporal lacuna, to be easy to assembling and the dismounting of magnetic graphite seal ring fitting seat.Axially the periphery of seam 20 circle is provided with for the mounting groove 22 that seal ring 40 is installed, and seal ring 40 is arranged in mounting groove 22, so as to prevent lubricating oil in gear-box casing 10 through the periphery circular jet of axial seam 20 outside gear-box casing 10.Usually, seal ring 40 can adopt fluororubber O shape circle.Axially the interior Zhou Yuanyu magnetic graphite seal ring 50 of seam 20 coordinates, axially the lower end of the interior Zhou Yuan of seam is provided with boss 24, the stationary ring 54 of magnetic graphite seal ring 50 is arranged on above-mentioned boss 24, the interior Zhou Yuan of the axial seam 20 of outer ring contact of the stationary ring 54 of magnetic graphite seal ring 50.Axially the periphery of seam 20 circle is with axially the coaxality of the interior Zhou Yuan of seam 20 should be less than or equal to φ 0.02mm, to guarantee the effective location of magnetic graphite ring seal ring.Axially the upper end of the interior Zhou Yuan of seam 20 is provided with chamfering, and this chamfering is carried out polishing treatment, so that when assembling magnetic graphite seal ring 50, avoid magnetic graphite seal ring 50 to be cut bad.
Please in conjunction with referring to Fig. 3, flange plate 30 in the form of a ring, flange plate 30 is along circumferentially evenly being provided with a plurality of mounting holes 32, flange plate 30 is arranged on gear-box casing 10 by bolt or screw, so that magnetic graphite seal ring fitting seat is fixed, also facilitate assembling and the dismounting of magnetic graphite seal ring fitting seat simultaneously.Preferably, also being symmetrical arranged two screw threads on flange plate 30 pulls out and unloads hole 34.When needs dismounting magnetic graphite seal ring fitting seat, screw rod is screwed in screw thread to be pulled out and unloads in hole 34, screw top supports gear-box casing 10, and gear-box casing 10 reacts on magnetic graphite seal ring fitting seat, makes gear-box casing 10 separate with magnetic graphite seal ring fitting seat.
Magnetic graphite seal ring fitting seat need adopt the nonmagnetic substance preparation, to avoid producing magnetic force between magnetic graphite seal ring fitting seat and magnetic graphite seal ring 50.Preferably, magnetic graphite seal ring fitting seat adopts the preparation of wrought aluminium base material, and anodization is carried out on the surface of magnetic graphite seal ring fitting seat, is corroded to prevent the fitting seat surface.
Preferred embodiment of the present utility model also provides a kind of uni-drive gear box, it comprises above-mentioned magnetic graphite seal ring fitting seat and gear shaft 60, the periphery circle of the cut-off end of gear shaft 60 coordinates with the rotating ring 52 of magnetic graphite seal ring 50, the outer ring contact magnetic graphite seal ring fitting seat of the stationary ring 54 of magnetic graphite seal ring 50 makes magnetic graphite seal ring 50 well gear shaft 60 and magnetic graphite seal ring fitting seat to be sealed.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Magnetic graphite seal ring fitting seat of the present utility model is provided with axial seam and flange plate, axially seam coordinates with the casing interporal lacuna, flange plate and gear-box casing removably connect, when needs are changed the magnetic graphite seal ring, no longer need gear-box is all dismantled decomposition, only need the bolt on flange plate or screw disassembling, with screw rod, the gear-box casing is separated with magnetic graphite seal ring fitting seat; Make like this assembling and the dismounting of this magnetic graphite seal ring fitting seat and gear-box casing all very convenient, for ease of maintenaince, significantly improved the maintainability of uni-drive gear box.Magnetic graphite seal ring fitting seat of the present utility model has improved the assembly precision of magnetic graphite seal ring, compact structure, good sealing effect; And processing and the maintenance cost of this magnetic graphite seal ring fitting seat are low.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. magnetic graphite seal ring fitting seat, be arranged on the gear-box casing (10) of motor, described gear-box casing (10) is provided with the casing hole, it is characterized in that, described magnetic graphite seal ring fitting seat comprises the axial seam (20) that coordinates with described casing hole and is used for described magnetic graphite seal ring fitting seat detachably is fixed on flange plate (30) on described gear-box casing (10), described axial seam (20) is tubular, is equipped with magnetic graphite seal ring (50) on the interior Zhou Yuan of described axial seam (20).
2. magnetic graphite seal ring fitting seat according to claim 1, it is characterized in that, described flange plate (30) is upper along circumferentially evenly being provided with a plurality of mounting holes (32), and described flange plate (30) is arranged on described gear-box casing (10) by bolt or screw.
3. magnetic graphite seal ring fitting seat according to claim 2, is characterized in that, also is symmetrical arranged two on described flange plate (30) and be used for installs and to pull out the screw thread that unloads screw and pull out and unload hole (34).
4. magnetic graphite seal ring fitting seat according to claim 1, is characterized in that, the periphery circle of described axial seam (20) coordinates with described casing interporal lacuna.
5. magnetic graphite seal ring fitting seat according to claim 4, is characterized in that, the periphery circle of described axial seam (20) is provided with for the mounting groove (22) that seal ring (40) is installed.
6. magnetic graphite seal ring fitting seat according to claim 5, it is characterized in that, close described flange plate (30) the place end of the interior Zhou Yuan of described axial seam (20) is provided with boss (24), and described magnetic graphite seal ring (50) is arranged on described boss (24).
7. magnetic graphite seal ring fitting seat according to claim 6, is characterized in that, the coaxality of the periphery circle of described axial seam (20) and the interior Zhou Yuan of described axial seam (20) is less than or equal to φ 0.02mm.
8. magnetic graphite seal ring fitting seat according to claim 1, is characterized in that, described magnetic graphite seal ring fitting seat adopts the preparation of wrought aluminium base material.
9. uni-drive gear box, it is characterized in that, the described magnetic graphite seal ring of any one fitting seat that comprises claim 1 to 8, described uni-drive gear box also comprises gear shaft (60), described magnetic graphite seal ring (50) comprises rotating ring (52) and the stationary ring (54) that coordinates with described rotating ring (52), the periphery circle of the cut-off end of described gear shaft (60) coordinates with the described rotating ring (52) of described magnetic graphite seal ring (50), the described magnetic graphite seal ring of the outer ring contact fitting seat of the described stationary ring (54) of described magnetic graphite seal ring (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571570 CN202971841U (en) | 2012-11-01 | 2012-11-01 | Magnetic graphite seal ring mounting seat and drive gear box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571570 CN202971841U (en) | 2012-11-01 | 2012-11-01 | Magnetic graphite seal ring mounting seat and drive gear box thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971841U true CN202971841U (en) | 2013-06-05 |
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ID=48512918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220571570 Expired - Lifetime CN202971841U (en) | 2012-11-01 | 2012-11-01 | Magnetic graphite seal ring mounting seat and drive gear box thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437114A (en) * | 2015-12-12 | 2016-03-30 | 中国南方航空工业(集团)有限公司 | Auxiliary clamp for static ring mounting and mounting method for magnetic sealing ring |
| CN106808406A (en) * | 2015-11-30 | 2017-06-09 | 江苏核电有限公司 | A kind of nuclear power station metallic graphite carbon sealing ring provision for disengagement |
-
2012
- 2012-11-01 CN CN 201220571570 patent/CN202971841U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106808406A (en) * | 2015-11-30 | 2017-06-09 | 江苏核电有限公司 | A kind of nuclear power station metallic graphite carbon sealing ring provision for disengagement |
| CN106808406B (en) * | 2015-11-30 | 2019-09-17 | 江苏核电有限公司 | A kind of nuclear power station metallic graphite carbon sealing ring provision for disengagement |
| CN105437114A (en) * | 2015-12-12 | 2016-03-30 | 中国南方航空工业(集团)有限公司 | Auxiliary clamp for static ring mounting and mounting method for magnetic sealing ring |
| CN105437114B (en) * | 2015-12-12 | 2017-09-12 | 中国南方航空工业(集团)有限公司 | The installation method of stationary ring installation auxiliary clamp and magnetic gasket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |