CN201827369U - Bearing sealing structure with packing - Google Patents
Bearing sealing structure with packing Download PDFInfo
- Publication number
- CN201827369U CN201827369U CN2010205909836U CN201020590983U CN201827369U CN 201827369 U CN201827369 U CN 201827369U CN 2010205909836 U CN2010205909836 U CN 2010205909836U CN 201020590983 U CN201020590983 U CN 201020590983U CN 201827369 U CN201827369 U CN 201827369U
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- Prior art keywords
- bearing
- packing
- sealing
- cover
- internal
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- Expired - Lifetime
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model relates to a bearing sealing structure with a packing, comprising a shaft, an external bearing cover, an oil thrower, an internal bearing cover and a sealing packing, wherein the sealing packing is directly embedded in inner round grooves of the internal bearing cover and the external bearing cover, and the number of the packing can be one or two according to need. The packing is made of ramie aramid fiber filler and has high electrical performance and mechanical performance, as well as excellent wear-resisting performance and good sealing performance. With the bearing sealing structure with the packing, parts are simple to machine, and a bearing is convenient to disassemble and good in sealing performance. The bearing sealing structure with the packing can be widely applied to electric machines having strict sealing requirements on bearings, such as a wind driven generator and the like, can greatly improve the reliability of the electric machines, and can reduce the internal pollution and the related maintenance caused by the pollution of the electric machines.
Description
Technical field
The utility model relates to bearing seal structure, relate in particular to be applicable in, large-size machine, the particularly sealing configuration of wind-driven generator rolling bearing.
Background technique
In, (the high H315 in center～H900) is widely used in each field of industry as motive force to large-size machine, and wherein most of motors use rolling bearings.Wind-power electricity generation is an industry with fastest developing speed in the green energy resource in recent years, and the critical piece wind-driven generator also uses rolling bearing in its system.The sealing configuration of rolling bearing is current, and to make with the most use be labyrinth ring type sealing configuration, and another kind is the circular groove type sealing configuration.Though labyrinth ring type sealing configuration sealing effect is better, its processed complex, trouble is installed, dismantles also to the required precision height.Though and the processing of circular groove type sealing configuration is simple, its sealing is not so good, is applicable to less demanding occasion.
Fig. 1 is the schematic representation of labyrinth ring type bearing seal structure.As shown in Figure 1, ring type bearing seal structure in labyrinth comprises disc 3, internal bearing cover 4 and the labyrinth ring 5 in axle 1, bearing end cover 2, band labyrinth.In this structure, bearing end cover 2 and disc 3, and the monolateral seal clearance of 5 of internal bearing cover 4 and labyrinth rings is 1mm.Factor such as consider accessory size tolerance, form and position tolerance, bearing clearance, expand with heat and contract with cold, the gap can reduce greatly, and therefore to the processing request strictness of disc 3, labyrinth ring 5, bearing end cover 2 and the internal bearing cover 4 in band labyrinth, difficulty of processing is bigger.Another shortcoming of this kind sealing configuration is that dismounting is inconvenient, and because of labyrinth ring 5 restrictions, internal bearing cover 4 can't push away inward during bearing removal, drawing bearing inner race separately when causing tearing bearing open.Can only be with internal bearing cover 4 drawings, and internal bearing cover 4 is a cast iron materials often, draws bad easily.
Fig. 2 is the schematic representation of circular groove type bearing seal structure.As shown in Figure 2, the circular groove type bearing seal structure comprises axle 1, bearing end cover 2, disc 3 and internal bearing cover 4.In this structure, the interior circle of internal bearing cover 4, bearing end cover 24 half circle groove that diameter is 3mm of getting on the bus, annular groove is 3mm at interval.Internal bearing cover 4, bearing end cover 2 are 0.2～0.4mm with the theoretical monolateral gap of axle 1.Simple in structure, internal bearing cover 4, bearing end cover 2 easy processings, but poor sealing, when bearing grease add more for a long time, lubricating grease overflows by internal bearing cover 4, bearing end cover 2 gaps easily.The wind-driven generator of automatic lubricating system especially is housed, and the automatic greasing pump can be uninterruptedly grease-added by some cycles when operation, if the bad lubricating grease of sealing is easy to overflow.
The model utility content
The purpose of this utility model is to overcome the deficiency of above-mentioned two kinds of conventional bearing seal structures, provide a kind of and can guarantee good sealing, and installation and processing is the bearing seal structure of tep reel root easily, sealing, the especially sealing of wind-power electricity generation machine bearing with the various occasion motor bearingss that satisfy the seal request strictness.
The technical solution of the utility model is as follows:
A kind of bearing seal structure of tep reel root comprises axle and is enclosed within a upper bearing (metal) enclosing cover, disc and internal bearing cover that the interior circular groove of described internal bearing cover and bearing end cover is embedded with sealed packing.
Its further technological scheme is: the material of described sealed packing is the ramie aramid fibre fibrous filler.
And its further technological scheme is: the quantity of described sealed packing is one or two.
Useful technique effect of the present utility model is:
(1) the utility model is simple in structure, installs, dismantles bearing and relevant auxiliary equipment conveniently.Substantially do not increasing under the condition of cost, use the material of special wear-resisting, high temperature resistant, good airproof performance, overcome the shortcoming of original structure poor sealing, give full play to its easy processing, install, the advantage of convenient disassembly, make the utility model be applicable to that fully similar wind-driven generator etc. is in the strict operating mode of bearing seal.
(2) the utility model can prevent the leakage of lubricating grease to a great extent, guarantees that motor internal is not contaminated, has improved the reliability of motor greatly.High for wind-driven generator etc. to reliability requirement, safeguard that motor seldom provides guarantee.
Description of drawings
Fig. 1 is the schematic representation of labyrinth ring type sealing configuration.
Fig. 2 is the schematic representation of circular groove type sealing configuration.
Fig. 3 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
As described in Figure 3, the utility model comprises axle 1 and is enclosed within axle 1 upper bearing (metal) enclosing cover 2, disc 3 and internal bearing cover 4 that the interior circular groove of internal bearing cover 4 and bearing end cover 2 is embedded with sealed packing 5.The material of sealed packing 5 is the ramie aramid fibre fibrous filler, and this material has very high electrical property and mechanical property, also extraordinary wear-resisting property and excellent sealing performance, high temperature resistant, tear-proof, stretch-proof arranged.Sealed packing 5 directly is embedded in internal bearing cover 4, the bearing end cover 2 interior circular grooves, can use one or two packings as required, and normal conditions only need one.Use sealed packing 5 back sealing effects to improve greatly.The existing circular groove type sealing configuration of said structure is processed, the advantage of convenient disassembly, and the advantage of labyrinth ring type sealing configuration good seal performance is arranged again.
Above-described only is preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from spirit of the present utility model and design, all should think to be included within the protection domain of the present utility model.
Claims (3)
1. the bearing seal structure of a tep reel root, comprise axle (1) and be enclosed within axle (1) upper bearing (metal) enclosing cover (2), disc (3) and internal bearing cover (4), it is characterized in that: the interior circular groove of described internal bearing cover (4) and bearing end cover (2) is embedded with sealed packing (5).
2. according to the bearing seal structure of the described tep reel root of claim 1, it is characterized in that: the material of described sealed packing (5) is the ramie aramid fibre fibrous filler.
3. according to the bearing seal structure of claim 1 or 2 described tep reel roots, it is characterized in that: the quantity of described sealed packing (5) is one or two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205909836U CN201827369U (en) | 2010-10-29 | 2010-10-29 | Bearing sealing structure with packing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205909836U CN201827369U (en) | 2010-10-29 | 2010-10-29 | Bearing sealing structure with packing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827369U true CN201827369U (en) | 2011-05-11 |
Family
ID=43965906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205909836U Expired - Lifetime CN201827369U (en) | 2010-10-29 | 2010-10-29 | Bearing sealing structure with packing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384169A (en) * | 2011-07-11 | 2012-03-21 | 江苏秋林重工股份有限公司 | Stable bearing |
-
2010
- 2010-10-29 CN CN2010205909836U patent/CN201827369U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384169A (en) * | 2011-07-11 | 2012-03-21 | 江苏秋林重工股份有限公司 | Stable bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SEC ELECTRIC MACHINERY CO., LTD. Free format text: FORMER NAME: WUXI HEC ELECTRIC MACHINERY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 214131 No. 777 East high wave road Patentee after: SEC Electric Machinery Co., Ltd. Address before: 214131 No. 2, Da Tong Road, Binhu Development Zone, Wuxi, Jiangsu (Wuxi) Patentee before: Wuxi HEC Electric Machinery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |