CN205618560U - Large -scale vertical spiral stirring mill's bearing transmission system - Google Patents
Large -scale vertical spiral stirring mill's bearing transmission system Download PDFInfo
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- CN205618560U CN205618560U CN201620357484.XU CN201620357484U CN205618560U CN 205618560 U CN205618560 U CN 205618560U CN 201620357484 U CN201620357484 U CN 201620357484U CN 205618560 U CN205618560 U CN 205618560U
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- end cover
- transmission system
- roller bearing
- main shaft
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Abstract
The utility model discloses a large -scale vertical spiral stirring mill's bearing transmission system, including the main shaft, upper bearing transmission system has been installed on the upper portion of main shaft, and bearing transmission system has been installed down to the lower part, and upper bearing transmission system includes bolster bearing housing, and bolster bearing housing's upper portion cavity installs inside and is equipped with a thrust self -aligning roller bearing, and bolster bearing housing's lower part cavity installs inside and is equipped with an upward self -aligning roller bearing, bearing transmission system installs inside and is equipped with a lower self -aligning roller bearing including the step that is equipped with a cavity, the cavity of step down. The utility model discloses a bearing transmission system can undertake great axial force and great radial force, can realize the radial and axial load of automatically regulated at the main shaft, when the inflection appears in the shell to reduce the damage probability of bearing, reduce because of device structure hinders the economic loss that production caused, increase its life, and can improve the transmission precision of bearing, improve vertical spiral stirring mill's grinding efficiency, reduce the production process cost.
Description
Technical field
This utility model relates to the Ultrafine Grinding equipment technical field of mineral manufacture field, particularly to large-scale vertical auger mill driving bearing arrangement.
Background technology
Mainly process object owing to fine-particle minerals is increasingly becoming, cause the final mog processing Ore to be gradually reduced.It is sufficiently separated to realize valuable mineral therein with gangue mineral/sorts, mostly need fine grinding/ultra-fine to be milled to P80 25 μm even more thin, mineral could be realized and fully dissociate.Vertical screw agitating mill, as efficient fine grinding/Ultrafine Grinding equipment, is widely used in three sections of fine grindings or the coarse-fine Regrinding that metal selects factory.And bearing-transmission system is as the transmission critical component of vertical spiral agitating mill, have been used up in the past be a pair deep groove ball bearing (angular contact ball bearing) with the use of.In grinding machine running, bearing is subjected to bigger axial force, when axial force is excessive, bearing damage can be caused when exceeding the tolerance range of bearing, causing bearing-transmission precision to reduce, service life shortens, thus affects grinding efficiency and the activity duration of vertical screw agitating mill.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, it is provided that a kind of simple in construction, can increase bearing service life, improve the bearing-transmission system for large-scale vertical auger grinding machine of bearing-transmission precision.
For solving above-mentioned technical problem, the technical scheme that the utility model proposes is:
A kind of bearing-transmission system of large-scale vertical auger grinding machine, including main shaft, the top of described main shaft is equiped with upper bearing (metal) drive system, bottom is equiped with lower bearing drive system, described upper bearing (metal) drive system includes the top chock being provided with upper and lower two cavitys, it is equiped with a self-aligning thrust roller bearing in the upper cavity of described top chock, in the lower cavity of top chock, is equiped with a upper centring roller bearing；Described lower bearing drive system includes the step being provided with a cavity, is equiped with a center downward regulating roller bearing in the cavity of described step.
Further improvement as to technique scheme:
Preferably, there are the first upper end cover and the first bottom end cover in the two ends of described top chock by bolt-connection respectively, the inner ring of described self-aligning thrust roller bearing positions by being located on main shaft and pass the Upper shaft sleeve of the first upper end cover, and the outer end, outer ring of described upper centring roller bearing is positioned by the first bottom end cover.
Preferably, it is provided with sealing ring on first between described first upper end cover and Upper shaft sleeve, in sealing ring is placed in the draw-in groove of the first upper end cover on described first, being provided with the first lower seal between described first bottom end cover and main shaft, described first lower seal is placed in the draw-in groove of the first bottom end cover.
Preferably, there are the second upper end cover and the second bottom end cover in the two ends of described step by bolt-connection respectively, the two ends, outer ring of described center downward regulating roller bearing are positioned by described second upper end cover and the second bottom end cover respectively, and the inner ring of center downward regulating roller bearing positions by being located on main shaft and pass the Lower shaft sleeve of the second bottom end cover.
Preferably, it is provided with sealing ring on second between described second upper end cover and main shaft, in sealing ring is placed in the draw-in groove of the second upper end cover on described second, being provided with the second lower seal between described second bottom end cover and described Lower shaft sleeve, described second lower seal is placed in the draw-in groove of the second bottom end cover.
Preferably, it is interference fit between described main shaft and self-aligning thrust roller bearing, upper centring roller bearing and the inner ring of center downward regulating roller bearing.
Preferably, the periphery of described top chock and step is equipped with the flange of evagination, and described flange is provided with installing hole.
Compared with prior art, the utility model has the advantage of:
The bearing-transmission system of large-scale vertical auger grinding machine of the present utility model, by installing bearing-transmission system, simple in construction respectively in the main shaft upper and lower of transmission moment of torsion, design is convenient, it is simple to bearing and the installing/dismounting of main shaft.Self-aligning thrust roller bearing therein can undertake bigger axial force, and use self-aligning roller bearing can undertake bigger radial force, therefore can be when there is flexure in main shaft, shell, realization is automatically adjusted radial and axial load, thus reduces the damage probability of bearing, reduces and produces, because maintenance of equipment delays, the economic loss caused, increase its service life, and the transmission accuracy of bearing can be improved, improve the grinding efficiency of vertical screw agitating mill, reduce production process cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Marginal data:
1, main shaft；2, Upper shaft sleeve；3, sealing ring on first；4, the first upper end cover；5, top chock；6, self-aligning thrust roller bearing；7, upper centring roller bearing；8, the first lower seal；9, the first bottom end cover；10, sealing ring on second；11, the second upper end cover；12, step；13, center downward regulating roller bearing；14, the second bottom end cover；15, the second lower seal.
Detailed description of the invention
For the ease of understanding this utility model, below in conjunction with Figure of description and preferred embodiment, this utility model is made more comprehensively, described meticulously, but protection domain of the present utility model is not limited to embodiment in detail below.
As shown in Figure 1, a kind of bearing-transmission system embodiment of large-scale vertical auger grinding machine of the present utility model, including the main shaft 1 for transmitting moment of torsion, the top of this main shaft 1 is equiped with upper bearing (metal) drive system, bottom is equiped with lower bearing drive system, upper bearing (metal) drive system includes being provided with top chock 5, the internal cavities of top chock 5 is set to upper and lower two cavitys, it is equiped with a self-aligning thrust roller bearing 6 in the upper cavity of top chock 5, in the lower cavity of top chock 5, is equiped with a upper centring roller bearing 7；There is the first upper end cover 4 and the first bottom end cover 9 at the two ends up and down of top chock 5 by bolt-connection respectively, the inner ring of self-aligning thrust roller bearing 6 is positioned by Upper shaft sleeve 2, Upper shaft sleeve 2 is located at main shaft 1 top and through the first upper end cover 4, and the lower end, outer ring of self-aligning thrust roller bearing 6 is positioned by the step on main shaft 1；The outer end, outer ring of upper centring roller bearing 7 is positioned by the first bottom end cover 9, and the inner ring of upper centring roller bearing 7 is positioned by the step on main shaft 1.Lower bearing drive system includes the step 12 being provided with a cavity, is equiped with a center downward regulating roller bearing 13 in the cavity of step 12.There is the second upper end cover 11 and the second bottom end cover 14 at the two ends of step 12 by bolt-connection respectively, the two ends, outer ring of center downward regulating roller bearing 13 are positioned by the second upper end cover 11 and the second bottom end cover 14 respectively, the inner ring of center downward regulating roller bearing 13 is positioned by Lower shaft sleeve, and Lower shaft sleeve is located on main shaft 1 and through the second bottom end cover 14.This utility model uses metal (upper holder structure, simple in construction, and design is convenient, it is simple to bearing and the installing/dismounting of main shaft；Self-aligning thrust roller bearing can undertake bigger axial force, and self-aligning roller bearing can undertake bigger radial force, can also allow that when flexure occur in main shaft, shell, can be automatically adjusted radial and axial load.Therefore this utility model can effectively improve the service life of bearing, reduces and produces, because maintenance of equipment delays, the economic loss caused；Improve drive system precision, improve the grinding efficiency of vertical screw agitating mill, reduce production process cost.
In the present embodiment, between the first upper end cover 4 and Upper shaft sleeve 2, it is provided with sealing ring 3 on first, in sealing ring 3 is placed in the draw-in groove of the first upper end cover 4 on first, plays seal shaft bearing lubrication oil and block the effect of external dust；Being provided with the first lower seal 8 between first bottom end cover 9 and main shaft 1, the first lower seal 8 is placed in the draw-in groove of the first bottom end cover 9, plays the effect of seal shaft bearing lubrication oil.
In the present embodiment, between the second upper end cover 11 and main shaft 1, it is provided with sealing ring 10 on second, in sealing ring 10 is placed in the draw-in groove of the second upper end cover 11 on second, plays seal shaft bearing lubrication oil and block the effect of external dust；Being provided with the second lower seal 15 between second bottom end cover 14 and Lower shaft sleeve, the second lower seal 15 is placed in the draw-in groove of the second bottom end cover 14, plays seal shaft bearing lubrication oil effect.
In the present embodiment, between main shaft 1 and self-aligning thrust roller bearing 6, upper centring roller bearing 7 and the inner ring of center downward regulating roller bearing 13, it is interference fit.
In the present embodiment, the periphery of top chock 5 and step 12 is equipped with the flange of evagination, and flange is provided with the installing hole for fixed bearing block.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (7)
1. the bearing-transmission system of a large-scale vertical auger grinding machine, including main shaft, it is characterized in that: the top of described main shaft is equiped with upper bearing (metal) drive system, bottom is equiped with lower bearing drive system, described upper bearing (metal) drive system includes the top chock being provided with upper and lower two cavitys, it is equiped with a self-aligning thrust roller bearing in the upper cavity of described top chock, in the lower cavity of top chock, is equiped with a upper centring roller bearing；Described lower bearing drive system includes the step being provided with a cavity, is equiped with a center downward regulating roller bearing in the cavity of described step.
The bearing-transmission system of large-scale vertical auger grinding machine the most according to claim 1, it is characterized in that: there are the first upper end cover and the first bottom end cover in the two ends of described top chock by bolt-connection respectively, the inner ring of described self-aligning thrust roller bearing positions by being located on main shaft and pass the Upper shaft sleeve of the first upper end cover, and the outer end, outer ring of described upper centring roller bearing is positioned by the first bottom end cover.
The bearing-transmission system of large-scale vertical auger grinding machine the most according to claim 2, it is characterized in that: between described first upper end cover and Upper shaft sleeve, be provided with sealing ring on first, in on described first, sealing ring is placed in the draw-in groove of the first upper end cover, being provided with the first lower seal between described first bottom end cover and main shaft, described first lower seal is placed in the draw-in groove of the first bottom end cover.
The bearing-transmission system of large-scale vertical auger grinding machine the most according to claim 1, it is characterized in that: there are the second upper end cover and the second bottom end cover in the two ends of described step by bolt-connection respectively, the two ends, outer ring of described center downward regulating roller bearing are positioned by described second upper end cover and the second bottom end cover respectively, and the inner ring of center downward regulating roller bearing positions by being located on main shaft and pass the Lower shaft sleeve of the second bottom end cover.
The bearing-transmission system of large-scale vertical auger grinding machine the most according to claim 4, it is characterized in that: between described second upper end cover and main shaft, be provided with sealing ring on second, in on described second, sealing ring is placed in the draw-in groove of the second upper end cover, being provided with the second lower seal between described second bottom end cover and described Lower shaft sleeve, described second lower seal is placed in the draw-in groove of the second bottom end cover.
6. according to the bearing-transmission system of the large-scale vertical auger grinding machine described in any one of claim 1-5, it is characterised in that: it is interference fit between described main shaft and self-aligning thrust roller bearing, upper centring roller bearing and the inner ring of center downward regulating roller bearing.
7. according to the bearing-transmission system of the large-scale vertical auger grinding machine described in any one of claim 1-5, it is characterised in that: the periphery of described top chock and step is equipped with the flange of evagination, and described flange is provided with installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620357484.XU CN205618560U (en) | 2016-04-26 | 2016-04-26 | Large -scale vertical spiral stirring mill's bearing transmission system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620357484.XU CN205618560U (en) | 2016-04-26 | 2016-04-26 | Large -scale vertical spiral stirring mill's bearing transmission system |
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| CN205618560U true CN205618560U (en) | 2016-10-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011465A (en) * | 2018-01-29 | 2018-05-08 | 南京迪瓦机械制造有限公司 | One kind is used to stir industry permanent-magnet synchronous direct drive motor bearing structure |
| CN110319124A (en) * | 2019-07-12 | 2019-10-11 | 青岛德固特节能装备股份有限公司 | A kind of KZL type bearing support device resisting radial and axial combined stress |
| CN114700150A (en) * | 2022-04-27 | 2022-07-05 | 北方重工富勒（沈阳）矿业有限公司 | Tower mill, design method and control method of tower mill |
| CN117267258A (en) * | 2023-10-11 | 2023-12-22 | 上海新建重型机械有限公司 | Bearing transmission system of large-scale vertical spiral stirring mill |
-
2016
- 2016-04-26 CN CN201620357484.XU patent/CN205618560U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011465A (en) * | 2018-01-29 | 2018-05-08 | 南京迪瓦机械制造有限公司 | One kind is used to stir industry permanent-magnet synchronous direct drive motor bearing structure |
| CN110319124A (en) * | 2019-07-12 | 2019-10-11 | 青岛德固特节能装备股份有限公司 | A kind of KZL type bearing support device resisting radial and axial combined stress |
| CN114700150A (en) * | 2022-04-27 | 2022-07-05 | 北方重工富勒（沈阳）矿业有限公司 | Tower mill, design method and control method of tower mill |
| CN117267258A (en) * | 2023-10-11 | 2023-12-22 | 上海新建重型机械有限公司 | Bearing transmission system of large-scale vertical spiral stirring mill |
| CN117267258B (en) * | 2023-10-11 | 2024-02-13 | 上海新建重型机械有限公司 | Bearing transmission system of large-scale vertical spiral stirring mill |
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Effective date of registration: 20200214 Address after: 410205 room 208, A1-A3, jinruilugu science and Technology Park, No. 28, Ludian Road, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee after: Hunan Jinmo Technology Co., Ltd Address before: Yuelu District City, Hunan province 410000 Changsha Lushan Road No. 966 Patentee before: Changsha Research Institute of Mining and Metallurgy Co., Ltd. |