CN204051582U - A kind of central shaft slewing bearing - Google Patents
A kind of central shaft slewing bearing Download PDFInfo
- Publication number
- CN204051582U CN204051582U CN201420506250.8U CN201420506250U CN204051582U CN 204051582 U CN204051582 U CN 204051582U CN 201420506250 U CN201420506250 U CN 201420506250U CN 204051582 U CN204051582 U CN 204051582U
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- bearing
- inner core
- central shaft
- urceolus
- rotating shaft
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Abstract
The utility model discloses a kind of central shaft slewing bearing, comprise bearing urceolus, bearing inner core, base, rotating shaft, flange, clutch shaft bearing seat, second bearing block, thrust bearing and deep groove ball bearing, described bearing urceolus is arranged on the outer surface of bearing inner core, described bearing inner tube installation is on base, described rotating shaft extends to the center of bearing inner core by Flange joint on the top of bearing urceolus, described clutch shaft bearing seat and the second bearing block are fixedly mounted on the inwall of bearing inner core respectively and are connected with the extension of rotating shaft, described clutch shaft bearing seat is arranged on the top of the second bearing block, described thrust bearing is connected with clutch shaft bearing seat, described deep groove ball bearing is connected with the second bearing block.By the way, the central shaft slewing bearing that the utility model provides, Stability Analysis of Structures is reliable, maintenance cost is low, and running power consumption can reduce about 50%.
Description
Technical field
The utility model relates to the field that water treatment is arranged, and particularly relates to a kind of central shaft slewing bearing, is mainly used in the central shaft bearing under water of the equipment such as the energy-saving mixer of water treatment, center choosing dress mud scraper.
Background technology
Traditional equipment such as central rotation water treatment mixer, mud scraper all adopts fixed bearing.On the one hand, this bearing produces along rotating reciprocal restraining force the central shaft rotated, and increases the output torque of drive motors, increases power of motor, waste electric energy; Second aspect, increases the frictional force between hold-down support and rotary middle spindle, causes hold-down support serious wear, need often change; The serious fixture that even causes loosens, and the pond base plate of hold-down support is worn out to leak; On the other hand, cause equipment rotary middle spindle to be subjected to displacement, motor center axle and equipment center axle can not centerings, and motor output shaft and shaft coupling part get stuck and damage, and device damage maintenance rate is high, and maintenance cost is high, and maintenance difficulty increases.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of central shaft slewing bearing, movable thrust bearing and deep groove ball bearing is provided with in bearing inner core, make between rotating shaft and bearing inner core without friction, motor output torque needed for reducing on the one hand, reduce power consumption, energy-conservationly compared with conventional equipment reach 50%; On the other hand, due to without rigid friction, seat wear amount greatly reduces, achieve equipment rotary middle spindle, bearing spider, motor output shaft can maintain all the time on same center line, there is certain automatic centering function, greatly reduce the damage of equipment, maintenance, maintenance work amount, such that this central shaft slewing seat structure is reliable and stable, maintenance cost is low, running power consumption can reduce about 50%.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of central shaft slewing bearing, comprise bearing urceolus, bearing inner core, base, rotating shaft, flange, clutch shaft bearing seat, second bearing block, thrust bearing and deep groove ball bearing, described bearing urceolus is arranged on the outer surface of bearing inner core, described bearing inner tube installation is on base, described rotating shaft extends to the center of bearing inner core by Flange joint on the top of bearing urceolus, described clutch shaft bearing seat and the second bearing block are fixedly mounted on the inwall of bearing inner core respectively and are connected with the extension of rotating shaft, described clutch shaft bearing seat is arranged on the top of the second bearing block, described thrust bearing is connected with clutch shaft bearing seat, described deep groove ball bearing is connected with the second bearing block, when rotating shaft rotates, described bearing urceolus and deep groove ball bearing are with rotating shaft synchronous axial system, described thrust bearing horizontally rotates in process the thrust produced upwards at bearing urceolus.
In the utility model preferred embodiment, described central shaft slewing bearing also comprises oil sealing axle sleeve, and described oil sealing axle sleeve is wrapped on the outer surface of bearing inner core.
In the utility model preferred embodiment, described central shaft slewing bearing also comprises water seal axle sleeve, and described water seal axle sleeve is wrapped on the outer surface of bearing urceolus.
In the utility model preferred embodiment, described central shaft slewing bearing also comprises shrouding, and described shrouding is fixedly mounted on bearing inner core inside and is arranged at below the extension of rotating shaft.
In the utility model preferred embodiment, described central shaft slewing bearing also comprises base flange, and described bearing inner core is fixedly connected on base by base flange.
In the utility model preferred embodiment, in described bearing inner core, fill lubricating oil.
The beneficial effects of the utility model are: central shaft slewing bearing of the present utility model, movable thrust bearing and deep groove ball bearing is provided with in bearing inner core, make between rotating shaft and bearing inner core without friction, motor output torque needed for reducing on the one hand, reduce power consumption, energy-conservationly compared with conventional equipment reach 50%; On the other hand, due to without rigid friction, seat wear amount greatly reduces, achieve equipment rotary middle spindle, bearing spider, motor output shaft can maintain all the time on same center line, there is certain automatic centering function, greatly reduce the damage of equipment, maintenance, maintenance work amount, such that this central shaft slewing seat structure is reliable and stable, maintenance cost is low, running power consumption can reduce about 50%.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the sectional view of a preferred embodiment of the utility model central shaft slewing bearing;
Reference numeral is as follows: 1 bearing urceolus, and 2, bearing inner core, 3, base, 4, rotating shaft, 5, flange, 6, clutch shaft bearing seat, the 7, second bearing block, 8, thrust bearing, 9, deep groove ball bearing, 10, shrouding, 11, water seal axle sleeve, 21, oil sealing axle sleeve, 31, base flange.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model embodiment comprises:
A kind of central shaft slewing bearing, comprise bearing urceolus 1, bearing inner core 2, base 3, rotating shaft 4, flange 5, clutch shaft bearing seat 6, second bearing block 7, thrust bearing 8 and deep groove ball bearing 9, described bearing urceolus 1 is arranged on the outer surface of bearing inner core 2, described bearing inner core 2 is installed on the base 3, described rotating shaft 4 is connected to the top of bearing urceolus 1 by flange 5 and extends to the center of bearing inner core 2, described clutch shaft bearing seat 6 is fixedly mounted on the inwall of bearing inner core 2 respectively with the second bearing block 7 and is connected with the extension of rotating shaft 4, described clutch shaft bearing seat 6 is arranged on the top of the second bearing block 7, described thrust bearing 8 is connected with clutch shaft bearing seat 6, described deep groove ball bearing 9 is connected with the second bearing block 7, when rotating shaft 4 rotates, described bearing urceolus 1 and deep-groove ball axle 9 hold with rotating shaft synchronous axial system, described thrust bearing 8 horizontally rotates in process the thrust produced upwards at bearing urceolus 1.
In above-mentioned, described central shaft slewing bearing also comprises oil sealing axle sleeve 21 and water seal axle sleeve 11, and described oil sealing axle sleeve 21 is wrapped on the outer surface of bearing inner core 2.Described water seal axle sleeve 11 is wrapped on the outer surface of bearing urceolus 1, makes this central shaft slewing seat structure reliable and stable, reaches grease proofing and effect that is waterproof simultaneously.
Further, described central shaft slewing bearing also comprises shrouding 10 and base flange 31, described shrouding 10 is fixedly mounted on bearing inner core 2 inside and is arranged at below the extension of rotating shaft 4, described bearing inner core 2 is fixedly connected with on the base 3 by base flange 31, further enhances central shaft slewing seat structure reliable and stable.
Further, filled lubricating oil (figure do not look) in described bearing inner core 2, thrust bearing 8 and deep groove ball bearing 9 worked under good situations, wearing and tearing and maintenance capacity few.
The central shaft slewing bearing tool that the utility model provides has the following advantages:
1, when rotating shaft 4 rotates, described bearing urceolus 1 is with rotating shaft 4; Bearing inner core 2 is connected with clutch shaft bearing seat 6, second bearing block 7 and base 3, maintains static.This version makes not produce between bearing inner core 2 and base 3 to rock or rub, and steadiness is very good;
2, be provided with thrust bearing 8 in bearing inner core 2 and deep groove ball bearing 9 forms movable two-way bearing, deep groove ball bearing 9 is guaranteed when frictional force is very little with equipment rotating shaft 4 synchronous axial system, and automatic centering correction; Thrust bearing 8 horizontally rotates in process at bearing urceolus 1, produces thrust upwards, does not only produce inverted constraint power to the rotating shaft 4 rotated, bears the gravity of equipment and upper member simultaneously, reduces equipment self-weight, reduces required motor power as far as possible;
3, fill lubricating oil in bearing inner core 2, thrust bearing 8 and deep groove ball bearing 9 worked under good situations, wearing and tearing and maintenance capacity few.
In sum, the central shaft slewing bearing that the utility model discloses, movable thrust bearing and deep groove ball bearing is provided with in bearing inner core, make between rotating shaft and bearing inner core without friction, motor output torque needed for reducing on the one hand, reduce power consumption, energy-conservationly compared with conventional equipment reach 50%; On the other hand, due to without rigid friction, seat wear amount greatly reduces, achieve equipment rotary middle spindle, bearing spider, motor output shaft can maintain all the time on same center line, there is certain automatic centering function, greatly reduce the damage of equipment, maintenance, maintenance work amount, such that this central shaft slewing seat structure is reliable and stable, maintenance cost is low, running power consumption can reduce about 50%.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a central shaft slewing bearing, it is characterized in that, comprise bearing urceolus, bearing inner core, base, rotating shaft, flange, clutch shaft bearing seat, second bearing block, thrust bearing and deep groove ball bearing, described bearing urceolus is arranged on the outer surface of bearing inner core, described bearing inner tube installation is on base, described rotating shaft extends to the center of bearing inner core by Flange joint on the top of bearing urceolus, described clutch shaft bearing seat and the second bearing block are fixedly mounted on the inwall of bearing inner core respectively and are connected with the extension of rotating shaft, described clutch shaft bearing seat is arranged on the top of the second bearing block, described thrust bearing is connected with clutch shaft bearing seat, described deep groove ball bearing is connected with the second bearing block, when rotating shaft rotates, described bearing urceolus and deep groove ball bearing are with rotating shaft synchronous axial system, described thrust bearing horizontally rotates in process the thrust produced upwards at bearing urceolus.
2. central shaft slewing bearing according to claim 1, is characterized in that, described central shaft slewing bearing also comprises oil sealing axle sleeve, and described oil sealing axle sleeve is wrapped on the outer surface of bearing inner core.
3. central shaft slewing bearing according to claim 1, is characterized in that, described central shaft slewing bearing also comprises water seal axle sleeve, and described water seal axle sleeve is wrapped on the outer surface of bearing urceolus.
4. central shaft slewing bearing according to claim 1, is characterized in that, described central shaft slewing bearing also comprises shrouding, and described shrouding is fixedly mounted on bearing inner core inside and is arranged at below the extension of rotating shaft.
5. central shaft slewing bearing according to claim 1, is characterized in that, described central shaft slewing bearing also comprises base flange, and described bearing inner core is fixedly connected on base by base flange.
6. central shaft slewing bearing according to claim 1, is characterized in that, has filled lubricating oil in described bearing inner core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506250.8U CN204051582U (en) | 2014-09-04 | 2014-09-04 | A kind of central shaft slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506250.8U CN204051582U (en) | 2014-09-04 | 2014-09-04 | A kind of central shaft slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204051582U true CN204051582U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420506250.8U Active CN204051582U (en) | 2014-09-04 | 2014-09-04 | A kind of central shaft slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204051582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226183A (en) * | 2014-09-04 | 2014-12-24 | 太仓市捷宏节能环保科技有限公司 | Center shaft rotating equipment support |
-
2014
- 2014-09-04 CN CN201420506250.8U patent/CN204051582U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226183A (en) * | 2014-09-04 | 2014-12-24 | 太仓市捷宏节能环保科技有限公司 | Center shaft rotating equipment support |
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