CN203130620U - Air cooling bearing structure - Google Patents
Air cooling bearing structure Download PDFInfo
- Publication number
- CN203130620U CN203130620U CN 201320097686 CN201320097686U CN203130620U CN 203130620 U CN203130620 U CN 203130620U CN 201320097686 CN201320097686 CN 201320097686 CN 201320097686 U CN201320097686 U CN 201320097686U CN 203130620 U CN203130620 U CN 203130620U
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- Prior art keywords
- bearing
- pump shaft
- bearing support
- axle journal
- air
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Abstract
The utility model discloses an air cooling bearing structure. The air cooling bearing structure comprises a bearing seat, a bearing frame and an oil sealing barrel connected with the bottom of the bearing frame and surrounding a pump shaft. The pump shaft and a shaft neck surrounding the pump shaft are arranged at the center of the bearing seat, a bearing cover is arranged on the bearing frame, and a bearing is arranged among the shaft neck, the bearing frame and the bearing seat. The upper end of the shaft neck extends out of the bearing cover, and a fan frame is arranged above the bearing cover, is sleeved on the pump shaft and is fixed at the top end of the shaft neck. A fan blade for generating axial air flow is arranged on the fan frame around the pump shaft, the bearing frame is a hollow columnar casing and is provided with one bottom surface, and one or a plurality of cooling fins are arranged on a side wall and the bottom surface of the bearing seat. The air cooling bearing structure has the advantages that the bearing structure does not leak oil and is simple and compact in structure and small in occupied space; the air flow is directly generated above the bearing, the cooling fins are arranged for assistance, refrigeration effect is good, practicality is high, and the air cooling bearing structure is easy to popularize.
Description
Technical field
The utility model relates to a kind of bearing refrigerating structure, is specifically related to a kind of air-cooled bearing structure.
Background technique
At present, the vertical long shaft pump that moves under normal oil lubrication, its bearing temperature require to remain on one and are unlikely in the too high scope; The heat radiation that friction generates heat of this bearing structure can only conduct heat to finish by the heat radiation of self and the circulation of lubricant oil.
Higher because of medium temperature itself so that be delivered under the very high situation of bearing inner race position temperature, the existing bearing structure is to add the water-cooling jacket structure in the periphery of bearing support, be that the mode of water-cooled is come cooling bearing seat with the cold conditions water that flows, to finish the outside transmission of bearing heat, guarantee that bearing temperature is in a reasonable range.This structure that adds water-cooling jacket needs continuous external recirculated cooling water, not only increased operating procedure, and later maintenance is cumbersome.
The model utility content
The purpose of this utility model is to provide a kind of air-cooled bearing structure, by being set at bearing components, fan realizes the bearing cooling, having overcome existing water-cooling pattern needs the shortcoming of continuous external cooling water and Operation and Maintenance inconvenience, thereby realizes the purpose of this utility model.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of air-cooled bearing structure comprises a bearing support, is located at bearing bracket stand and oil sealing bucket on this bearing support, and the bearing support center is provided with a pump shaft and an axle journal around pump shaft; Be mounted with bearing cap on the bearing bracket stand, bearing is located between axle journal and bearing bracket stand and the bearing support, wherein:
Stretch out from bearing cap on the axle journal top, and this bearing cap top is provided with a fan board, and this fan board on pump shaft, and is fixed in the axle journal top by thread set; Be provided with a flabellum at this fan board around pump shaft, this flabellum together rotates and produces axial flow with fan board, axle journal, pump shaft;
Bearing support is the cylindrical shell of a hollow, and the oil sealing bucket is arranged on this bearing support bottom, and around being arranged on the pump shaft;
Bearing support also is provided with a bottom surface, and, be equipped with one or more radiating fin in sidewall, the bottom surface of bearing support.
In a preferred embodiment of the present utility model, the radiating fin of bearing support sidewall, bottom surface evenly distributes in the form of a ring around this sidewall, bottom surface respectively, and radiating fin is vertical mutually with its plane, place.
In a preferred embodiment of the present utility model, the periphery of flabellum is set with a fan guard, forms a ventilated port between this fan guard and the bearing support.
The beneficial effects of the utility model are:
Not easy oil leakage of bearing structure itself; Simple and compact for structure, shared volume is little; Directly produce air-flow above bearing, and it is auxiliary to be provided with radiating fin, refrigeration is good, and is practical, is easy to promote.
Description of drawings
Fig. 1 is a kind of air-cooled bearing structure described in the utility model structural representation in the specific implementation.
Fig. 2 is a kind of air-cooled bearing structure described in the utility model structural representation of bearing support in the specific implementation.
Fig. 3 is a kind of air-cooled bearing structure described in the utility model worm's eye view of bearing support in the specific implementation.
Fig. 4 is a kind of air-cooled bearing structure described in the utility model plan view of bearing support in the specific implementation.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
As shown in Figure 1, air-cooled bearing structure described in the utility model comprises bearing support 100, bearing bracket stand 200, bearing cap 300, pump shaft 50 and axle journal 510, wherein, pump shaft 50 is located at bearing support 100 centers, this bearing support 100 is the cylindrical shell of a hollow, itself and bearing bracket stand 200, axle journal 510 and bearing 540,550 form an oil closed cavity 110, be used for holding cooling but and lubricated oil, bearing support 100 lower ends are provided with a bottom surface 120, this bottom surface 120 is provided with fuel outlet and is used for the interface of external temperature measuring equipment, be provided with filler opening at its sidewall in addition and be used for external permanent oil level indicator, be used for regulating automatically the indicating graduation 35 of the oil level in the oil pocket 110; In addition, the support rim 130 that bearing support 100 is provided with an annular is used for settling lower thrust-bearing 550, is used for bearing thrust load.
Axle journal 510 is sheathed on the pump shaft 50, and is placed in the bearing support 100; Also be provided with between axle journal 510 and the pump shaft 50 be used to the oil sealing bucket 51 that stops oil, in the present embodiment, oil sealing bucket 51 adopts seamless steel pipe to make.The bottom surface 120 of bearing support 100 cooperates with the leave from office terrace 53 of oil sealing bucket 51 and is fixing, also is provided with O RunddichtringO 52 between this bottom surface 120 and the leave from office terrace 53.
Bearing bracket stand 200 is fixedly set in bearing support 100 tops, and this bearing bracket stand 200 arranges around pump shaft 50, and radial bearing 540 is located between bearing bracket stand 200 and the axle journal 510, is used for the carrying radial force.
Bearing cap 300 is located at bearing bracket stand 200 tops, and this bearing cap 300, bearing bracket stand 200 are fixed on the bearing support 100 by a bolt 201; Pump shaft 50 stretches out from bearing cap 300 centers together with the axle journal 510 that is sheathed on pump shaft 50 outsides, bearing cap 300 is provided with the felt circle 301 of annular, this felt circle 301 specifically be located at and the fitting surface of axle journal 510 between, to prevent that oil leakage from going out bearing cap 300 and external dust etc. and entering bearing support 100 inside.
Fan board 520 is located at axle journal 510 tops of bearing cap 300 tops, and this fan board 520 is tightened on the pump shaft 50 by screw thread, and is fixed in by bolt 523 on the end face on axle journal 510 tops; Flabellum 521 is fixed on the fan board 520 by bolt 522, and flabellum 521, fan board 520 can together rotate along with axle journal 510 and pump shaft 50, and produce axial cross-ventilation, thereby the air-flow of generation circulation is taken away the heat in the bearing support 100.
Fan guard 530 is a cylindrical structure, and it is located at flabellum 521 peripheries, is used for guaranteeing that the air-flow that flabellum 521 produces flows downward, simultaneously guard block safety; Cooperate between this fan guard 530 and the bearing support 100 to form ventilated port 30, air-flow flows out and takes away heat from this ventilated port 30.
As Fig. 2, Fig. 3 and shown in Figure 4, the sidewall of bearing support 100 is provided with some radiating fin 102, and in the present embodiment, these radiating fin 102 are perpendicular to the sidewall of bearing support 100, and evenly distributes at circumferencial direction; The bottom surface 120 of bearing support 100 also is provided with radiating fin 101, and these radiating fin 101 are vertical with bottom surface 120, and evenly distributes in a circumferential direction; Radiating fin 101,102 helps bearing support 100 heat radiations all for cooperating flabellum 521.
When the utility model is worked, before the pump machine starts, in oil pocket 110, inject lubricant oil earlier to indicating graduation 35,1/2 of lower thrust-bearing 550 be immersed in the lubricant oil at this moment; This moment, the pump machine started, pump shaft 50 rotation at a high speed, and axle journal 510 gets rid of radial bearing 540 to top with the lubricant oil in the oil pocket 110, realizes the splash lubrication of bearing 540 radially; Flabellum 521 is along with 50 rotations of axle journal 510, pump shaft, and produces downward axial flow, takes away the heat of radial bearing 540, thrust-bearing 550, and the higher air-flow of temperature spills out from 30 pairs of ventilated ports subsequently.
Because this practicality is newly adopted flabellum 521 directly is installed above bearing cap 300, flabellum 521 can effectively utilize the existing structure of bearing directly with pump shaft 50 rotations, compact structure, and it is little to take volume; Directly above bearing, produce air-flow, and the radiating fin 101,102 of also helpful heat radiation, refrigeration is good, is easy to promote.
Moreover, can effectively prevent oil leakage owing to take seamless steel pipe to make oil sealing bucket 51 and between the bottom surface 120 of its leave from office terrace 53 and bearing support 100, also be provided with O RunddichtringO 52.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. an air-cooled bearing structure comprises a bearing support, is located at bearing bracket stand and oil sealing bucket on this bearing support, and described bearing support center is provided with a pump shaft and an axle journal around described pump shaft; Be mounted with bearing cap on the described bearing bracket stand, described bearing is located between axle journal and bearing bracket stand and the bearing support, it is characterized in that:
Stretch out from bearing cap on described axle journal top, and this bearing cap top is provided with a fan board, and this fan board on pump shaft, and is fixed in the axle journal top by thread set; Be provided with a flabellum at this fan board around pump shaft, this flabellum together rotates and produces axial flow with fan board, axle journal, pump shaft;
Described bearing support is the cylindrical shell of a hollow, and described oil sealing bucket is arranged on this bearing support bottom, and around being arranged on the pump shaft;
Described bearing support also is provided with a bottom surface, and, be equipped with one or more radiating fin in sidewall, the bottom surface of bearing support.
2. a kind of air-cooled bearing structure as claimed in claim 1 is characterized in that, the radiating fin of described bearing support sidewall, bottom surface evenly distributes in the form of a ring around this sidewall, bottom surface respectively, and radiating fin is vertical mutually with its plane, place.
3. a kind of air-cooled bearing structure as claimed in claim 1 is characterized in that the periphery of described flabellum is set with a fan guard, forms a ventilated port between this fan guard and the described bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097686 CN203130620U (en) | 2013-03-04 | 2013-03-04 | Air cooling bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097686 CN203130620U (en) | 2013-03-04 | 2013-03-04 | Air cooling bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130620U true CN203130620U (en) | 2013-08-14 |
Family
ID=48938600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097686 Expired - Fee Related CN203130620U (en) | 2013-03-04 | 2013-03-04 | Air cooling bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130620U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033423A (en) * | 2013-03-04 | 2014-09-10 | 上海凯泉泵业（集团）有限公司 | Simple method for reducing temperature of bearing block and air-cooled bearing structure |
| CN104421214A (en) * | 2013-08-29 | 2015-03-18 | 江苏太阳宝新能源有限公司 | High-temperature pump bearing cooling device |
| CN107869481A (en) * | 2016-09-28 | 2018-04-03 | 中国电建集团上海能源装备有限公司 | A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts |
| CN114688070A (en) * | 2022-02-17 | 2022-07-01 | 上海凯泉泵业（集团）有限公司 | Air-cooled self-lubricating bearing component and method of using same |
-
2013
- 2013-03-04 CN CN 201320097686 patent/CN203130620U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033423A (en) * | 2013-03-04 | 2014-09-10 | 上海凯泉泵业（集团）有限公司 | Simple method for reducing temperature of bearing block and air-cooled bearing structure |
| CN104033423B (en) * | 2013-03-04 | 2016-08-10 | 上海凯泉泵业（集团）有限公司 | A kind of simple and easy method reducing bearing block temperature and air-cooled bearing arrangement |
| CN104421214A (en) * | 2013-08-29 | 2015-03-18 | 江苏太阳宝新能源有限公司 | High-temperature pump bearing cooling device |
| CN107869481A (en) * | 2016-09-28 | 2018-04-03 | 中国电建集团上海能源装备有限公司 | A kind of self-lubricating bearing case of photo-thermal power station pump for liquid salts |
| CN114688070A (en) * | 2022-02-17 | 2022-07-01 | 上海凯泉泵业（集团）有限公司 | Air-cooled self-lubricating bearing component and method of using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |