CN2916282Y - Nano material dynamic contact oil seal device - Google Patents
Nano material dynamic contact oil seal device Download PDFInfo
- Publication number
- CN2916282Y CN2916282Y CN 200620021125 CN200620021125U CN2916282Y CN 2916282 Y CN2916282 Y CN 2916282Y CN 200620021125 CN200620021125 CN 200620021125 CN 200620021125 U CN200620021125 U CN 200620021125U CN 2916282 Y CN2916282 Y CN 2916282Y
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- CN
- China
- Prior art keywords
- seal ring
- sealing ring
- spring
- sealing
- oil
- 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.)
- Expired - Fee Related
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- Sealing Devices (AREA)
Abstract
The utility model relates to a nanometer-made dynamic contact oil sealing device, which comprises a nanometer composite sealing ring, a spring, a positioning bolt and a rubber hose. The nanometer composite sealing ring is several equally-parted mechanisms. The nanometer composite sealing ring interface adopts lap joint and rubber hose joint. The aluminum alloy sealing cover is split mechanism and along the inner radius side of the nanometer composite sealing ring is provided with two layers of sealing grooves. A spring is positioned on the bottom of the groove and every two springs correspond to a sealing stripe and the nanometer composite sealing ring is sealed with slip-rotor touch oil. The connection of oil sealing interface solves the leakage problems. The sealing ring is even parted and each part can move forward or backward under the function of spring with high flexibility. In addition, the utility model can enable the slip rotor to swing so as to ensure the dynamic sealing between the sealing ring and slid rotor and realize the positioning function on the sealing ring. Moreover, the utility model can enable the sealing ring and slid rotor to have zero-to-zero contact and move stably.
Description
Technical field: the utility model relates to the moving contact of a kind of nanometer material oil sealing device.
Technical background: the hydraulic generator machine bearing all adopts turbine oil lubricated, for guaranteeing that oil, oil gas do not leak, during conventional design, adopt sealing cover to carry out oil seal, its structure is the sealing of labyrinth comb-shaped, and the broach material is copper tooth or aluminium tooth, consider shaft run-out in the motor operation course, and prevent the broach wearing and tearing diameter of axle, 0.15～0.30mm gap is arranged between the broach and the diameter of axle, thus in the motor operation course lubricant oil, oil gas from this gap to the sealing cover external leakage.The hydraulic turbine generator that large-scale power generating equipment manufacturing company makes generally adopts labyrinth comb-shaped sealing, can not reach oil-tightening purpose fully.Though hermetic seal can solve the sealing problem of oil, hermetic seal increases accessory, complex structure, cost height.Chinese patent ZL02204254.7 proposes a kind of Contact Seal ring, has obtained certain effect, but sealing material and sealing configuration are still undesirable.
Summary of the invention: main purpose of the present utility model provides a kind of improvement by sealing material and sealing configuration, reaches the moving oil sealing device that contacts of the sealing purpose nanometer material of improving thrust-bearing and guide bearing lubricant oil.The purpose of this utility model is to disclose the moving contact of a kind of meter material oil sealing device, by nano combined seal ring, spring, aluminium cast alloy sealing cover, positioning screwn and sebific duct structure are formed, nano combined seal ring is some separation structures that wait, each five equilibrium is referred to as Stamping Steel Ribbon, nano combined seal ring joint adopts bridging arrangement and sebific duct to connect, aluminium cast alloy sealing cover is a splitted structure, at aluminium cast alloy sealing cover internal side diameter two-layer seal groove is arranged, four groups of positioning screwns are installed respectively, in the groove bottom mounting spring, the corresponding Stamping Steel Ribbon of per two springs, nano combined seal ring and seal groove are Spielpassung, and nano combined seal ring contacts oil seal with slide rotor under the effect of spring.The utility model seal oil system adopts two-layer seal ring to realize the sealing of four roads.The seal ring internal diameter directly contacts with the slide rotor external diameter, does not have constant clearance between seal ring and slide rotor, and therefore oil, mist of oil can't pass through.The connection of seal ring joint has solved the leakage problem of joint.The some five equilibriums of seal ring, each equal portions all can advance or retreat under the effect of spring, and is highly sensitive, can guarantee the moving contact seal between seal ring and the slide rotor with the slide rotor beat.The gap length between each equal portions seal ring and the wear extent of seal ring have direct relation, seal ring advances under the effect of spring because of wearing and tearing, gap between each equal portions seal ring diminishes gradually, the sebific duct compression, after seal ring produces initial wear, seal ring reaches perfect condition with contacting of slide rotor, and each equal portions seal ring contacts relatively, has realized the limit function to seal ring.After seal ring and the axle break-in, its contact reaches perfect condition, and each equal portions seal ring contacts relatively, has realized the limit function to seal ring, and it can make seal ring and slide rotor zero to contact and stable operation zeroly.Seal oil system installation, easy to maintenance.
Description of drawings
The moving contact of Fig. 1 nanometer material oil sealing device profile schematic representation
Fig. 2 is the partial sectional view of Fig. 1
Fig. 3 is that the K of Fig. 2 is to view
Embodiment
As shown in Figure 1, the moving contact of nanometer material oil sealing device is by nano combined seal ring 1, spring 2, aluminium cast alloy sealing cover 3, positioning screwn 4 and sebific duct 5 structures are formed, as shown in Figure 2, nano combined seal ring 1 is some separation structures that wait, each five equilibrium is referred to as Stamping Steel Ribbon, nano combined seal ring joint adopts bridging arrangement and sebific duct 5 to connect, aluminium cast alloy sealing cover 3 is a splitted structure, at aluminium cast alloy sealing cover internal side diameter two-layer seal groove is arranged, and four groups of positioning screwns 4 are installed respectively, in groove bottom mounting spring 2, per two springs, 2 corresponding Stamping Steel Ribbons, nano combined seal ring 1 is a Spielpassung with seal groove, nano combined seal ring 1 contacts oil seal with slide rotor under the effect of spring 2.As shown in Figure 3, sebific duct 5 is installed in the groove between the Stamping Steel Ribbon.Spring 2 is a leaf spring.Nano combined seal ring 1 internal diameter is that the cylndrical surface contacts with the external diameter of slide rotor.Every layer of seal groove of aluminium cast alloy sealing cover 3 has 4 groups to be used for the circumferentially position screw 4 of location of nano combined seal ring 1 surely.
The utility model sealing configuration characteristics:
Two-layer seal ring, separate, realize the sealing of four roads.The seal ring internal diameter directly contacts with slide rotor or axle external diameter, does not have constant clearance between seal ring and slide rotor or axle, and therefore oil, mist of oil can't pass through, and have realized the oil seal of real meaning.Sebific duct is adopted in the connection of seal ring joint, has solved the leakage problem of joint.The gap length between each equal portions seal ring and the wear extent of seal ring have direct relation, seal ring advances under the effect of spring because of wearing and tearing, gap between each equal portions seal ring diminishes gradually, the sebific duct compression, when seal wears 0.5～1mm, seal ring reaches perfect condition with slide rotor or contacting of axle, and each equal portions seal ring contacts relatively, has realized the limit function to seal ring.Frictional heating can be reduced like this, seal ring needn't be often changed again.
Seal ring adopts nano composite material, and self-lubricating property is good, the heating of reducing friction.And can not damage slide rotor or axle.The effect of spring makes seal ring and slide rotor or is coupling and touches, and this spring is a leaf spring, good springiness.The size of spring and rigidity be through special design, make seal ring and slide rotor or spool between contact force in the reasonable scope.At running in stage, seal wears, the effect of spring is advanced seal ring, and sebific duct compression simultaneously because the active force of spring reduces to some extent, reaches the elasticity of sebific duct, and the wearing and tearing of seal ring are reduced gradually.Enter actual motion after the stage, spacing working, this effect is a relative limit, it can make seal ring and slide rotor zero to contact and stable operation zeroly.The some five equilibriums of seal ring, each equal portions all can advance or retreat, and is highly sensitive, can guarantee the moving contact seal between seal ring and the slide rotor with the slide rotor beat.The contact force of seal ring and slide rotor can be ignored to the influence of shaft system of unit.Installation, easy to maintenance.On-the-spot directly installation need not to change Sealing in the spreadable life.The research of contact-type movable sealing structure makes its sealing effect better; The research of nano friction material has solved the problem of resistance to wearing of sealing material, makes the wear resistance of sealing material that breakthrough raising be arranged, and makes it have intact self lubricity; Elastic element is controlled in the reasonable scope the contact force between seal ring and the slide rotor.
Claims (5)
1, the moving contact of nanometer material oil sealing device, by nano combined seal ring (1), spring (2), aluminium cast alloy sealing cover (3), positioning screwn (4) and sebific duct (5) structure are formed, it is characterized in that: nano combined seal ring (1) is some separation structures that wait, each five equilibrium is referred to as Stamping Steel Ribbon, nano combined seal ring joint adopts bridging arrangement and sebific duct (5) to connect, aluminium cast alloy sealing cover (3) is a splitted structure, at aluminium cast alloy sealing cover internal side diameter two-layer seal groove is arranged, four groups of positioning screwns (4) are installed respectively, in groove bottom mounting spring (2), the corresponding Stamping Steel Ribbon of per two springs (2), nano combined seal ring (1) is a Spielpassung with seal groove, and nano combined seal ring (1) contacts oil seal with slide rotor under the effect of spring (2).
2, the moving contact of nanometer material according to claim 1 oil sealing device is characterized in that: sebific duct (5) is installed in the groove between the Stamping Steel Ribbon.
3, the moving contact of nanometer material according to claim 1 oil sealing device, it is characterized in that: spring (2) is a leaf spring.
4, the moving contact of nanometer material according to claim 1 oil sealing device, it is characterized in that: nano combined seal ring (1) internal diameter is that the cylndrical surface contacts with the external diameter of slide rotor.
5, the moving contact of nanometer material according to claim 1 oil sealing device is characterized in that: every layer of seal groove of aluminium cast alloy sealing cover (3) has 4 groups to be used for the circumferentially position screw (4) of location of nano combined seal ring (1) surely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620021125 CN2916282Y (en) | 2006-06-28 | 2006-06-28 | Nano material dynamic contact oil seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620021125 CN2916282Y (en) | 2006-06-28 | 2006-06-28 | Nano material dynamic contact oil seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2916282Y true CN2916282Y (en) | 2007-06-27 |
Family
ID=38187194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620021125 Expired - Fee Related CN2916282Y (en) | 2006-06-28 | 2006-06-28 | Nano material dynamic contact oil seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2916282Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256391A (en) * | 2013-06-01 | 2013-08-21 | 四川日机密封件股份有限公司 | Self-adaptation sealing-type mechanical sealing device |
-
2006
- 2006-06-28 CN CN 200620021125 patent/CN2916282Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256391A (en) * | 2013-06-01 | 2013-08-21 | 四川日机密封件股份有限公司 | Self-adaptation sealing-type mechanical sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070627 Termination date: 20130628 |