CN202152851U - Combined sealing device for driven shaft bearings - Google Patents
Combined sealing device for driven shaft bearings Download PDFInfo
- Publication number
- CN202152851U CN202152851U CN2011202610526U CN201120261052U CN202152851U CN 202152851 U CN202152851 U CN 202152851U CN 2011202610526 U CN2011202610526 U CN 2011202610526U CN 201120261052 U CN201120261052 U CN 201120261052U CN 202152851 U CN202152851 U CN 202152851U
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- sealing
- bearing
- driven shaft
- bases
- bearings
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- Expired - Fee Related
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Abstract
The utility model belongs to the field of mechanical sealing devices and particularly relates to a combined sealing device for driven shaft bearings. The combined sealing device comprises a driven shaft; bearings and bearing bases are mounted on the driven shaft; the bearings are mounted in the bearing bases and are double-row aligning ball bearings; sealing bases are further mounted on the driven shaft; one side of each of the sealing bases is fixedly connected with one end face of each of the bearing bases; a pressure cover is fixed at the other side of each of the sealing bases; a closed cover is fixedly connected with the other end face of each of the bearing bases; two sealing grooves are arranged at the contacts among the inner walls of the sealing bases and the driven shaft; sealing pieces are mounted in the sealing grooves; the sealing piece in the sealing groove close to one end of each bearing adopts a framework oil seal way; and the sealing piece in the sealing groove far away from one end of each bearing adopts a dust-proof rubber ring way. Through the double sealing structures of the sealing bases, the combined sealing device can effectively prevent dust from damaging the lubrication of the bearings, has a good sealing effect and long operational cycle for equipment, and is applicable to severer working environments; and in addition, the combined sealing device for the driven shaft bearings has a simple structure and is easy to implement.
Description
Technical field
The utility model relates to a kind of sealer with assembled of driven shaft bearing, is particularly useful for distributor, belongs to the mechanical seal device field.
Background technique
At present; Each parts of the withstand voltage formula of known domestic production totally-enclosed (weighing) adhesive tape distributor power train are installed in the casing of sealing; The bearing that uses on the driven shaft adopts the UCP profile shaft to hold; Bearing outer ring and bearing support relative movement realize the aligning effect, and bearing inner sleeve and driven shaft adopt the screw thread jackscrew to fix, and working environment are required high.The supporting feeding equipment of traditional HTHP circulating fluidized bed boiler is the lifeline of boiler unit operation, and its operating conditions is that Dust Capacity is big and be under the barotropic state of 3kPa, and the gap that amounts of dust sees through the bearing seal cover gets in the raceway; Will soon destroy the lubricating condition of bearing; Cause the rolling element and the retainer frequent breakage of bearing to lose efficacy, life cycle is merely 20 days, and equipment failure is high; And dust is through the bearing that the damages casing that flies out, contaminated equipment site environment.But because distributor driven shaft Bearing Installation is in casing; Under the abominable situation of operating conditions; The bearing of distributor driven shaft bearing, especially bottom purge chain driven shaft is prone to flowed or blow over and cover completely by laying dust, only depends on the selfsealings cover of rolling element bi-side, can not effectively ensure the normal lubricated of rolling element; In case damage to shut down and change the safe and stable operation of serious threat boiler unit.
The model utility content
According to above deficiency of the prior art, the technical problem that the utility model will solve is: a kind of sealer with assembled that can effectively improve casing inner bearing air-proof condition, assurance sealing effect, prolong the driven shaft bearing of bearing life cycle and reduction equipment failure rate is provided.
The utility model solves the technological scheme that its technical problem adopted: a kind of sealer with assembled of driven shaft bearing, comprise driven shaft, and bearing, bearing support are installed on the driven shaft; Bearing Installation is in bearing support; It is characterized in that: described bearing is the double-row self-aligning ball bearing, and sealing seat also is installed on the driven shaft, and a side of sealing seat is fixedly connected with an end face of bearing support; The opposite side stationary gland; The other end of bearing support is fixedly connected stifle, and the contacting point of sealing seat inwall and driven shaft has two seal grooves, and Sealing is installed in the seal groove; Adopt outside framework oil seal near the Sealing in the bearing one end seal groove, adopt the dust protection rubber circle away from the Sealing in the bearing one end seal groove.
Before the installation; Earlier confirm that according to the diameter of axle dust seal selects the dust protection rubber circle for use; The bearing lubrication Sealing is selected outside framework oil seal for use, because the Bearing Installation of driven shaft is in the casing of distributor, so bearing all needs integral sealing; Bearing support also will adopt enclosed construction, promptly on bearing support one end face, stifle is installed.Structure processing and fabricating sealing seat according to two kinds of seal configurations confirming and size and bearing support; Be installed in two kinds of Sealings on the sealing seat; Constitute a cover sealer with assembled; Earlier sealed socket sleeve is contained on the driven shaft during installation, behind bearing and bearing support installation in position, is fixed together sealing seat and bearing support again.Because the driven shaft bearing of bottom purge chain is prone to flowed or blow over and cover completely by laying dust in the distributor, bearing is prone to be damaged, and therefore also can this sealer with assembled be applied on the driven shaft of cleaning chain in the distributor.
This sealer with assembled bottom bracket is installed stifle; The sealing seat outside (away from bearing one end) prevents that directly one Sealing of dust from being the dust protection rubber circle; Play the effect of resistance dirt through elastic packing with driven shaft; Inboard is outside framework oil seal near the bearing place, ensures that the lubricating condition of bearing is not destroyed, reach that distributor is big at Dust Capacity, barotropic state down and continuous in the environment of sealing, as to stablize long-term operation purpose.
The beneficial effect that the utility model had is:
Double sealing structure through sealing seat can effectively stop the destruction of dust to bearing lubrication, good sealing effect, and the equipment operation cycle is long, adapts to than bad working environment, and easy enforcement simple in structure.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the application state figure of the utility model.
Among the figure: 1, casing; 2, sealing seat; 3, outside framework oil seal; 4, dust protection rubber circle; 5, driven shaft; 6, bolt; 7, gland; 8, bearing; 9, stifle; 10, bearing support; 11, the driven shaft of cleaning chain.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done and to further describe:
Like Fig. 1, shown in 2, the sealer with assembled of driven shaft bearing comprises driven shaft 5; Bearing 8, bearing support 10 and sealing seat 2 are installed on the driven shaft 5, and bearing 8 is installed in the bearing support 10, and a side of sealing seat 2 is fixedly connected with an end face of bearing support 10; Opposite side is through bolt 6 stationary gland 7; The other end of bearing support 10 is fixedly connected stifle 9, and the contacting point of sealing seat 2 inwalls and driven shaft 5 has two seal grooves, and Sealing is installed in the seal groove; Adopt outside framework oil seal 3 near the Sealing in the bearing 8 one end seal grooves; Adopt dust protection rubber circle 4 away from the Sealing in the bearing 8 one end seal grooves, sealing seat 2, bearing support 10 all are arranged in casing 1, and its middle (center) bearing 8 is selected the double-row self-aligning ball bearing for use.
Before the installation; Earlier confirm that according to the diameter of axle dust seal selects dust protection rubber circle 4 for use; The bearing lubrication Sealing is selected outside framework oil seal 3 for use, because the Bearing Installation of driven shaft is in the casing 1 of distributor, so bearing all needs integral sealing; Bearing support 10 also will adopt enclosed construction, and stifle 9 promptly is installed on bearing support 10 1 end faces.Structure processing and fabricating sealing seat according to two kinds of seal configurations confirming and size and bearing support; Be installed in two kinds of Sealings on the sealing seat 2; Constitute a cover sealer with assembled; Earlier sealing seat 2 is sleeved on the driven shaft 5 during installation, behind bearing and bearing support installation in position, is fixed together sealing seat 2 and bearing support 10 again.Because the driven shaft bearing of bottom purge chain is prone to flowed or blow over and cover completely by laying dust in the distributor, bearing is prone to be damaged, and therefore also can this sealer with assembled be applied on the driven shaft 5 of cleaning chain in the distributor.
This sealer with assembled bottom bracket 10 is installed stifle 9; Sealing seat 2 outsides (away from bearing one end) prevent that directly one Sealing of dust from being dust protection rubber circle 4; Play the effect of resistance dirt through elastic packing with driven shaft 5; Inboard is outside framework oil seal 3 near the bearing place, ensures that the lubricating condition of bearing is not destroyed, reach that distributor is big at Dust Capacity, barotropic state down and continuous in the environment of sealing, as to stablize long-term operation purpose.
Claims (1)
1. the sealer with assembled of a driven shaft bearing comprises driven shaft, and bearing, bearing support are installed on the driven shaft; Bearing Installation is characterized in that in bearing support: described bearing is the double-row self-aligning ball bearing, and sealing seat also is installed on the driven shaft; One side of sealing seat is fixedly connected with an end face of bearing support, the opposite side stationary gland, and the other end of bearing support is fixedly connected stifle; The contacting point of sealing seat inwall and driven shaft has two seal grooves; Sealing is installed in the seal groove, is adopted outside framework oil seal, adopt the dust protection rubber circle away from the Sealing in the bearing one end seal groove near the Sealing in the bearing one end seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202610526U CN202152851U (en) | 2011-07-22 | 2011-07-22 | Combined sealing device for driven shaft bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202610526U CN202152851U (en) | 2011-07-22 | 2011-07-22 | Combined sealing device for driven shaft bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202152851U true CN202152851U (en) | 2012-02-29 |
Family
ID=45693347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202610526U Expired - Fee Related CN202152851U (en) | 2011-07-22 | 2011-07-22 | Combined sealing device for driven shaft bearings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202152851U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455451A (en) * | 2014-11-25 | 2015-03-25 | 重庆长安汽车股份有限公司 | Middle supporting structure of car three-section type driving shaft and sealing ring used by the same |
| CN105317846A (en) * | 2014-05-26 | 2016-02-10 | 中南大学 | Floating type sealing apparatus |
| CN106151290A (en) * | 2016-07-12 | 2016-11-23 | 上海通用风机股份有限公司 | A kind of different diameter hole bearing block and processing method thereof |
| CN110923437A (en) * | 2019-12-02 | 2020-03-27 | 东北大学 | Metal plate strip heat treatment spiral roller way |
-
2011
- 2011-07-22 CN CN2011202610526U patent/CN202152851U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317846A (en) * | 2014-05-26 | 2016-02-10 | 中南大学 | Floating type sealing apparatus |
| CN105317846B (en) * | 2014-05-26 | 2018-07-24 | 中南大学 | Floating sealing |
| CN104455451A (en) * | 2014-11-25 | 2015-03-25 | 重庆长安汽车股份有限公司 | Middle supporting structure of car three-section type driving shaft and sealing ring used by the same |
| CN106151290A (en) * | 2016-07-12 | 2016-11-23 | 上海通用风机股份有限公司 | A kind of different diameter hole bearing block and processing method thereof |
| CN110923437A (en) * | 2019-12-02 | 2020-03-27 | 东北大学 | Metal plate strip heat treatment spiral roller way |
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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: SHANDONG KAITAI PETROCHEMICAL CO., LTD. Free format text: FORMER NAME: SHANDONG QILUSHIHUA KAITAI INDUSTRY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 255000 No. 202, Central Road, Zhangdian District, Shandong, Zibo Patentee after: Shandong Kaitai Petrochemical Co., Ltd. Address before: 255000 No. 202, Central Road, Zhangdian District, Shandong, Zibo Patentee before: Shandong Qilushihua Kaitai Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20200722 |