CN103016549A - Lower bearing protection device of vertical mill powder selecting machine - Google Patents
Lower bearing protection device of vertical mill powder selecting machine Download PDFInfo
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- CN103016549A CN103016549A CN2012105059498A CN201210505949A CN103016549A CN 103016549 A CN103016549 A CN 103016549A CN 2012105059498 A CN2012105059498 A CN 2012105059498A CN 201210505949 A CN201210505949 A CN 201210505949A CN 103016549 A CN103016549 A CN 103016549A
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- bearing
- bearing support
- oil storage
- lower cover
- rotating shaft
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Abstract
The invention discloses a lower bearing protection device of a vertical mill powder selecting machine. The protection device comprises a radial labyrinth seal, an oil seal, and an annular air flue which is formed among a bearing seat, a lower cover and an oil storage pond and surrounds the bearing, wherein the bearing seat is fixedly connected with a blast pipe which is communicated with the annular air flue, an annular air outlet is formed between the lower cover and the oil storage pond and is communicated with the annular air flue, the blast pipe is communicated with the atmosphere, and the oil storage pond is fixedly connected with the bearing seat. According to the invention, lubrication of the bearing can be ensured and the surrounding temperature of the bearing is lowered, the bearing is sealed to be prevented from being abraded, thus the bearing is effectively protected and the service life of the bearing is prolonged, further, the effective running rate of the mill is greatly improved, simultaneously considerable maintenance cost is saved for users, and the protection device disclosed by the invention has a simple structure and high reliability, is compact, and is convenient to manufacture and install.
Description
Technical field
The present invention relates to a kind of bearing protection device, particularly relate to a kind of roller mill separator lower bearing protective gear.
Background technique
Powder concentrator is widely used in the production of the powders materials such as raw grinding, pulverized coal preparation, cement grinding and slag milling, and its rotor lower bearing is in the mill, and its ambient temperature is generally higher, and operating mode is abominable.This has just proposed very high requirement to the protection of bearing.General powder concentrator in the running, the powder concentrator bearing in the mill all is to be under the hot environment to move, if the sealing of bearing and lubrication effect are bad, more easily causes the damage of bearing.Bearing causes very disadvantageous consequence in case damage will cause whole set equipment not move to production.
At present, although the home and abroad is used for the mode that the device of roller mill separator lower bearing protection also adopts grease lubrication, considers to arrange bearing and prevent the protective gear that generates heat.Because the temperature of upward flow is higher, sealing and lubrication effect are bad in addition, cause bearing temperature rise too fast, so that greatly reduce the working life of bearing, damaging phenomenon often has generation.
Summary of the invention
The present invention provides a kind of roller mill separator lower bearing protective gear for solving the technical problem that exists in the known technology, and this device can prevent damage of bearings, and with the working life of prolongation bearing, and cost is lower, and lubricating grease is difficult for revealing.
The technological scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of roller mill separator lower bearing protective gear, described bearing is arranged on the rotating shaft assembly parts, bearing inner race cooperates with rotating shaft, bearing outer ring cooperates with bearing support, and this device comprises rotating shaft assembly parts, gland, described bearing support and the lower cover that sets gradually from top to bottom;
Be formed with the radial labyrinth sealing between described rotating shaft assembly parts and the described gland;
Be provided with oil sealing between described gland and the spacer sleeve, described spacer sleeve is packed in the described rotating shaft;
Described bearing support is provided with inner ring and the outer ring of spring bearing, be formed with between bearing support inner ring and bearing support outer ring and downward opening annular groove at described bearing support, the lower end of described bearing support outer ring is connected with described lower cover, the upper end of described bearing support outer ring is connected with described gland, the lower end of described bearing support inner ring and the upper end of oil storage pool are affixed, and described lower cover is stretched out in the lower end of described oil storage pool;
Between described bearing support, described lower cover and described oil storage pool, be formed with and be centered around described bearing annular passage on every side, be connected with the air intake pipe that communicates with described annular passage on the described bearing support, be formed with the annular exhaust outlet that communicates with described annular passage between described lower cover and described oil storage pool, described air intake pipe communicates with atmosphere.
Advantage and good effect that the present invention has are: one) designed the annular passage of a casting around the powder concentrator bearing, it can reduce temperature variation with certain thickness.Be communicated with annular passage by the outer air intake pipe of introducing of mill simultaneously, the cold wind that passes into can enter in the mill after bearing is protected continuously, and discharges outside the mill with upward flow, bearing temperature is remained under the low-temperature condition work; Two) adopt labyrinth and oil sealing two seals to stop that dust enters bearing inside, sealing effect is good; Three) pass into lubricant grease constantly for bearing and oil sealing by bearing support.
In sum; above three kinds of measures synergy; can guarantee the lubricated of bearing; can also reduce bearing temperature on every side, stuffing box bearing makes it not frayed; thereby effectively protect bearing; prolong the working life of bearing, and then greatly improve effective running rate of grinding machine, can also save a considerable maintenance cost for the user simultaneously.And the present invention is simple in structure, compact, reliability is high, be convenient to manufacturing and installation.
Description of drawings
Fig. 1 is structural representation of the present invention;
Among the figure: 1, rotating shaft assembly parts, 2, gland, 3, bearing, 4, air intake pipe, 5, lower cover, 6, end cap, 7, oil storage pool, 8, bearing support, 9, spacer sleeve, 10, baffle ring, 11, oil sealing.
Embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
See also Fig. 1, a kind of roller mill separator lower bearing protective gear, described bearing 3 is arranged on the rotating shaft assembly parts 1, and bearing inner race cooperates with rotating shaft, and bearing outer ring cooperates with bearing support 8, and this device comprises rotating shaft assembly parts 1, the gland 2 that sets gradually from top to bottom; Described bearing support 8 and lower cover 5; Be formed with the radial labyrinth sealing between described rotating shaft assembly parts 1 and the described gland 2; Be provided with oil sealing 11 between described gland 2 and the spacer sleeve 9, oil sealing 11 is fixed on the gland 2 by baffle ring 10, described spacer sleeve 9 is contained in the described rotating shaft, and spacing to carrying out on the described bearing inner race, described bearing inner race lower end is undertaken spacing by the end cap 6 that is fixed in the rotating shaft lower end; Described bearing support 8 is provided with the outer ring of spring bearing, be formed with between bearing support inner ring and bearing support outer ring and downward opening annular groove at described bearing support 8, the lower end of described bearing support outer ring is connected with described lower cover 5, and the upper end of described bearing support outer ring is connected with described gland 2; The upper end of the lower end of described bearing support inner ring and oil storage pool 7 is affixed, described lower cover 5 is stretched out in the lower end of described oil storage pool 7, be provided with oil hole at described bearing support 8, be provided with drain oil in the bottom of described oil storage pool 7, the bearing lubrication grease is stored in oil storage pool 7 planted agent's periodic cleanings; Between described bearing support 8, described lower cover 5 and described oil storage pool 7, be formed with and be centered around described bearing 3 annular passage on every side, be connected with the air intake pipe 4 that communicates with described annular passage on the described bearing support 8, be formed with the annular exhaust outlet that communicates with described annular passage between described lower cover 5 and described oil storage pool 7, described air intake pipe 4 is connected with the blower fan of powder concentrator outside or directly communicates with atmosphere.Described bearing outer ring is undertaken spacing by the outer ring of gland 2 and described bearing support.
The erection sequence of said apparatus is as follows:
One) with spacer sleeve 9 be contained in the rotating shaft;
Two) be fixed on the gland 2 with baffle ring 10 after oil sealing 11 being filled up lubricating grease;
Three) bearing 3 is filled up in the bearing support 8 of packing into behind the lubricating grease, be connected with bolt with the assembly parts of gland 2, insert again rotating shaft assembly parts 1, and fixing with end cap 6;
Four) be installed into airduct 4, oil storage pool 7 and lower cover 5.
Working principle of the present invention:
Roller mill separator in the running, the powder concentrator lower bearing in the mill is under the condition of high temperature and moves.The present invention arranges an annular passage by the periphery at bearing, and passes into cold wind, bearing and hot air isolating are on every side left, so bearing will remain working state at low temperatures.Utilize simultaneously labyrinth and oil sealing two seals that dust is blocked in outside the bearing, not frayed with the protection bearing.In addition, allow all be full of lubricating grease in bearing and the oil sealing, avoid producing dry friction between they and axle and the spacer sleeve.The present invention protects bearing by above three structural designs, can prevent the damage of bearing, prolongs the working life of bearing.So not only can improve effective running rate of grinding machine, also save a considerable economic cost because keeping in repair and producing for the user.
Although the above is described the preferred embodiments of the present invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.
Claims (1)
1. roller mill separator lower bearing protective gear, described bearing is arranged on the rotating shaft assembly parts, and bearing inner race cooperates with rotating shaft, and bearing outer ring cooperates with bearing support, it is characterized in that, this device comprises rotating shaft assembly parts, gland, described bearing support and the lower cover that sets gradually from top to bottom;
Be formed with the radial labyrinth sealing between described rotating shaft assembly parts and the described gland;
Be provided with oil sealing between described gland and the spacer sleeve, described spacer sleeve is packed in the described rotating shaft;
Described bearing support is provided with inner ring and the outer ring of spring bearing, be formed with between bearing support inner ring and bearing support outer ring and downward opening annular groove at described bearing support, the lower end of described bearing support outer ring is connected with described lower cover, the upper end of described bearing support outer ring is connected with described gland, the lower end of described bearing support inner ring and the upper end of oil storage pool are affixed, and described lower cover is stretched out in the lower end of described oil storage pool;
Between described bearing support, described lower cover and described oil storage pool, be formed with and be centered around described bearing annular passage on every side, be connected with the air intake pipe that communicates with described annular passage on the described bearing support, be formed with the annular exhaust outlet that communicates with described annular passage between described lower cover and described oil storage pool, described air intake pipe communicates with atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210505949.8A CN103016549B (en) | 2012-11-30 | 2012-11-30 | Lower bearing protection device of vertical mill powder selecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210505949.8A CN103016549B (en) | 2012-11-30 | 2012-11-30 | Lower bearing protection device of vertical mill powder selecting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016549A true CN103016549A (en) | 2013-04-03 |
| CN103016549B CN103016549B (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210505949.8A Active CN103016549B (en) | 2012-11-30 | 2012-11-30 | Lower bearing protection device of vertical mill powder selecting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304880A (en) * | 2018-12-12 | 2020-06-19 | 博西华电器（江苏）有限公司 | Clothes nursing machine |
Citations (9)
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|---|---|---|---|---|
| US4353559A (en) * | 1980-07-23 | 1982-10-12 | Nassau Recycle Corporation | Labyrinth seal |
| JP2003320309A (en) * | 2002-05-02 | 2003-11-11 | Hamada Heavy Industries Ltd | Vibration sieve apparatus with automatic grease feed mechanism |
| KR20060059647A (en) * | 2004-11-29 | 2006-06-02 | 두산인프라코어 주식회사 | Bevel gear lubrication structure of milling turret for turning center |
| US20070241511A1 (en) * | 2006-04-18 | 2007-10-18 | Han-Sik Kim | Compact mechanical seal |
| CN201044564Y (en) * | 2007-03-24 | 2008-04-09 | 马继明 | Multifunctional airproof balancing wheel for farm machinery |
| CN201225403Y (en) * | 2008-07-25 | 2009-04-22 | 江苏科行环境工程技术有限公司 | Radial labyrinth seal device of large-scale powder concentrator |
| CN101566232A (en) * | 2008-04-24 | 2009-10-28 | 江苏华东造纸机械有限公司 | Thin oil lubrication sealing device for vacuum roller liner bearing |
| CN201399432Y (en) * | 2009-05-06 | 2010-02-10 | 天津振兴水泥有限公司 | Bearing seal device of powder selecting machine |
| CN203023312U (en) * | 2012-11-30 | 2013-06-26 | 中材（天津）粉体技术装备有限公司 | Lower bearing protection device of vertical mill powder concentrator |
-
2012
- 2012-11-30 CN CN201210505949.8A patent/CN103016549B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4353559A (en) * | 1980-07-23 | 1982-10-12 | Nassau Recycle Corporation | Labyrinth seal |
| JP2003320309A (en) * | 2002-05-02 | 2003-11-11 | Hamada Heavy Industries Ltd | Vibration sieve apparatus with automatic grease feed mechanism |
| KR20060059647A (en) * | 2004-11-29 | 2006-06-02 | 두산인프라코어 주식회사 | Bevel gear lubrication structure of milling turret for turning center |
| US20070241511A1 (en) * | 2006-04-18 | 2007-10-18 | Han-Sik Kim | Compact mechanical seal |
| CN201044564Y (en) * | 2007-03-24 | 2008-04-09 | 马继明 | Multifunctional airproof balancing wheel for farm machinery |
| CN101566232A (en) * | 2008-04-24 | 2009-10-28 | 江苏华东造纸机械有限公司 | Thin oil lubrication sealing device for vacuum roller liner bearing |
| CN201225403Y (en) * | 2008-07-25 | 2009-04-22 | 江苏科行环境工程技术有限公司 | Radial labyrinth seal device of large-scale powder concentrator |
| CN201399432Y (en) * | 2009-05-06 | 2010-02-10 | 天津振兴水泥有限公司 | Bearing seal device of powder selecting machine |
| CN203023312U (en) * | 2012-11-30 | 2013-06-26 | 中材（天津）粉体技术装备有限公司 | Lower bearing protection device of vertical mill powder concentrator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304880A (en) * | 2018-12-12 | 2020-06-19 | 博西华电器（江苏）有限公司 | Clothes nursing machine |
| CN111304880B (en) * | 2018-12-12 | 2022-11-15 | 博西华电器（江苏）有限公司 | Clothes nursing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103016549B (en) | 2015-04-22 |
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Effective date of registration: 20190322 Address after: Tianjin District of Beichen city in the 300400 major North Road No. 1 Co-patentee after: Tianjin Cement Industry Design & Research Institute Co., Ltd. Patentee after: Sinoma (Tianjin) powder technology equipment Co., Ltd. Address before: Tianjin District of Beichen city in the 300400 major North Road No. 1 Co-patentee before: Sinoma Technology & Equipment Group Co., Ltd. Patentee before: Sinoma (Tianjin) powder technology equipment Co., Ltd. |