CN209510928U - A kind of support device for lifting means rotation axis - Google Patents
A kind of support device for lifting means rotation axis Download PDFInfo
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- CN209510928U CN209510928U CN201920150839.1U CN201920150839U CN209510928U CN 209510928 U CN209510928 U CN 209510928U CN 201920150839 U CN201920150839 U CN 201920150839U CN 209510928 U CN209510928 U CN 209510928U
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- roller bearing
- rotation axis
- bearing
- packed
- lifting means
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Abstract
The utility model discloses a kind of support devices for lifting means rotation axis, including rotation axis, there are two be used to support rotation axis with Packed roller bearing for installation in rotation axis, rotation axis drives driven member rotation, it is connect by bearing block with pedestal with Packed roller bearing, due to use integrated form with Packed roller bearing, simplify the structure of bearing block, it is positioned simultaneously in the side mounting flange axle sleeve with Packed roller bearing to Packed roller bearing, bearing easy to disassemble simultaneously, improves maintenance efficiency.Secondly as there is self-lubricating property with Packed roller bearing, regular grease injection is not needed, greatly reduces maintenance workload, reduces intensity of workers, long-term non-maintaining operation under nominal situation is realized, reduces maintenance cost.
Description
Technical field
The utility model relates to mixing plant technical field, specially a kind of support for lifting means rotation axis is filled
It sets.
Background technique
The bearing support and location structure that the support device of lifting means rotation axis uses on mixing plant at present are as follows: axis
It holds and is installed in bearing block, bearing block is fixed on pedestal.Design has oil nozzle on bearing block, for giving bearing grease injection.Bearing
Design has seal groove in seat, installs sealing element in seal groove to seal bearing grease, the inner ring and rotation axis of sealing element directly connect
Using sleeve in touching or axis, the inner ring and sleeve of sealing element are directly contacted, and it is aligning roller axis that bearing, which uses,
It holds, bearing inner race carries out axially position using axle sleeve and pressing plate or using sleeve, and design has baffle ring slot in bearing block, is used for
Baffle ring is installed and positions bearing outer ring.
Firstly, this bearing support and location structure that use are more complicated, and when bearing occurs damaging and need replacing,
Due to unsuitable impetus, especially with sleeve, it is etched or even causes to fail under sleeve long term outdoor environment,
The extrusion of station-service hydraulic press can only be returned, it is very inconvenient.Seriously delay the construction period.
Secondly, the self-aligning roller bearing used is low to the concentricity of axis and the planarity requirements of mounting seat, life is reduced
The technique requirement of production is produced, but it is uneven to the extruding force of axis to also result in sealing element, frictional resistance increases, and causes outside lubricating grease
It lets out, the entrance of moisture, dust and sundries causes the reduction of bearing service life even to damage.Since the sealing of bearing is bad, axis
It holds and needs periodically to fill grease in the short time in use to guarantee the good lubrication of bearing.The general filling period is 1-7
It is primary, grease injection heavy workload.There is a problem of that grease injection is excessive during artificial grease injection or grease injection amount is insufficient.Oiling
Rouge amount excessively will lead to grease leakage, causes grease to waste, pollutes the environment.Grease injection amount deficiency can cause the damage of bearing
It is bad.
Utility model content
Aiming at the problems existing in the prior art, the utility model provides a kind of support dress for lifting means rotation axis
It sets, can effectively solve bearing damage caused by pollutant, achieve the purpose that long-term non-maintaining, be significantly reduced maintenance cost.
The utility model is to be achieved through the following technical solutions:
A kind of support device for lifting means rotation axis, including rotation axis and with Packed roller bearing；
Wherein, the rotation axis is Step Shaft, and one end is fixing end, and the other end is floating end, and the both ends of rotation axis are equal
It is provided with Packed roller bearing, is connect by bearing block with pedestal with Packed roller bearing, with Packed rolling
It is also arranged with flange axle sleeve at sub- bearing and the shaft shoulder of rotation axis, for Packed roller bearing axially position, flange
Annular convex platform is provided on axle sleeve, the extracting tool for the Packed roller bearing of connection disassembling band.
Preferably, the bearing block includes bearing holder (housing, cover) and the bracket that its bottom is arranged in, and bearing holder (housing, cover) is provided centrally with use
In mounting hole of the installation with Packed roller bearing, bracket is bolted with pedestal.
Preferably, the two sides with Packed roller bearing of the rotation axis fixing end are also respectively provided with bearing pressure
The end face of lid, bearing gland and bearing block connects.
Preferably, spacer sleeve is gone back in the rotation axis equipped with multiple driven members.
Preferably, the flanged shaft covers upper annular convex platform and contacts with the inner ring with Packed roller bearing.
Preferably, the rotation axis is driving shaft, and the fixing end of the driving shaft is additionally provided with linkage section, and linkage section is used for
It is connected with the shaft coupling of driving device or hollow shaft reducer.
Preferably, it is arranged with positioning shaft sleeve on the driving shaft between the Packed roller bearing of the band and driving device,
For being provided with for Packed on the end face of the floating end of driving shaft to Packed roller bearing axially position
The pressing plate of roller bearing axial restraint, the side of pressing plate are contradicted with the inner ring with Packed roller bearing.
Preferably, the rotation axis is driven shaft, and the both ends of driven shaft are provided with for Packed Roller Shaft
The pressing plate of axially position is held, the side of pressing plate is contradicted with the inner ring with Packed roller bearing.
Preferably, the outer ring of the Packed roller bearing of the band and bearing block clearance fit, with Packed Roller Shaft
The inner ring and rotation axis held is interference fitted.
Preferably, the Packed roller bearing 1 of the band is with Packed double row tapered roller bearing, with Packed
Single-row tapered roller bearing, with Packed multiple row tapered roller bearing or railway bearing.
Compared with prior art, the utility model has technical effect beneficial below:
A kind of support device for lifting means rotation axis provided by the present application, including rotation axis are installed in rotation axis
There are two rotation axis is used to support with Packed roller bearing, connected with Packed roller bearing by bearing block and pedestal
It connects, due to, with Packed roller bearing, simplifying the structure of bearing block, while with Packed rolling using integrated form
The side mounting flange axle sleeve of sub- bearing is positioned to Packed roller bearing, while bearing easy to disassemble, improves maintenance
Efficiency.
Secondly as there is self-lubricating property with Packed roller bearing, regular grease injection is not needed, dimension is greatly reduced
Workload is protected, intensity of workers is reduced, long-term non-maintaining operation under nominal situation is realized, reduces maintenance cost.
Detailed description of the invention
Fig. 1 is the support construction schematic diagram of the utility model driving shaft；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the support construction schematic diagram of the utility model driven shaft；
Fig. 4 is the top view of Fig. 3.
In figure: 1- is with Packed roller bearing；2- bearing block；3- flange axle sleeve；4- driving shaft；5- driven member；6-
Bearing gland；7- positioning shaft sleeve；9- key；10- pressing plate；11- driven shaft.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
Embodiment 1
Below by taking driving shaft as an example, a kind of structure of support device for lifting means rotation axis of the application is carried out
It elaborates.
As illustrated in fig. 1 and 2, a kind of support device for lifting means driving shaft, including with Packed roller bearing
1, driving shaft 4 and driven member 5.
Wherein, the driving shaft 4 is Step Shaft, including transmission segment, the both ends of transmission segment are respectively arranged with bearing construction section,
Two bearing construction section one is floating end, another is fixing end, and the end of the bearing construction section of fixing end is additionally provided with company
Section is connect, the diameter of two bearing construction sections is identical, and the diameter of transmission segment is greater than the diameter of bearing construction section, and the diameter of linkage section is small
In the diameter of bearing construction section.
The linkage section of driving shaft 4 by key 9 in driving device shaft coupling or hollow shaft reducer connect, two are driven
For 5 spacer sleeve of moving part in the transmission segment of driving shaft, two are separately mounted to the axis of driving shaft 4 with Packed roller bearing 1
It holds on construction section, is mounted in bearing block 2 with Packed roller bearing 1, bearing block 2 is connect with pedestal.
It is connect with rotation axis 4 using interference fit type with Packed 1 inner ring of roller bearing, with Packed Roller Shaft
It holds 1 outer ring and is gap-matched mode with bearing block 2 and connect, bearing block 2 and pedestal are connected, and bearing block 2 and pedestal pass through bolt
Connection, installation easy to disassemble.
Bearing block 2 includes bearing holder (housing, cover) and is arranged in the bracket of its bottom, and the center of bearing holder (housing, cover) is arranged mounting hole, and 1 set of bearing
It is located in mounting hole, bracket is bolted with pedestal, and bearing block 2 uses integrally casting shaping, big compared with existing bearing block
The big structure for simplifying bearing block 2, is easily installed disassembly.
The two sides with Packed roller bearing 1 of fixing end are also arranged with respectively for the flanged shaft to its axially position
Set 3 and positioning shaft sleeve 7, flange axle sleeve 3 are mounted at the shaft shoulder, and positioning shaft sleeve 7 is located to be filled with Packed roller bearing and driving
Between setting；The two sides with Packed 1 outer ring of roller bearing of fixing end are also respectively provided with bearing gland 6, bearing gland 6 with
The end face of bearing block is connected by screw to, and is positioned for the outer ring to bearing.
Flange axle sleeve 3 is tubular structure, and one end is contacted with the shaft shoulder, the other end and the inner ring with Packed roller bearing
Contact, flange axle sleeve 3 and the contact jaw with Packed roller bearing are additionally provided with annular convex platform, and annular convex platform is for dismantling axis
Holding 1, extracting tool is connected on annular convex platform by when disassembly, and extracting tool drives flange axle sleeve 3 to move axially along rotation axis 4,
Bearing 1 is separated with rotation axis 4.
Positioning shaft sleeve 7 is tubular structure, and one end is contacted with the inner ring with Packed roller bearing, the other end and driving
Device end face contact.
Be bolted pressing plate 10 on the end face of 4 floating end of driving shaft, the side of pressing plate with Packed roller
The inner ring of bearing contacts, and is also equipped with flange axle sleeve 3 at the shaft shoulder of the bearing construction section of floating end, for Packed rolling
Sub- bearing and driving shaft carry out axially position, and floating end does not install bearing gland with Packed roller bearing two sides, when
Variation of the driving shaft 4 by temperature, driving shaft 4 returns at different temperature generates micro length variation, and floating end has
The roller bearing of sealing is connect with bearing block using gap, therefore driving shaft is able to drive the bearing of floating end along its corresponding axis
It holds seat to move freely, shaft strength is avoided to cause to damage, improve the service life of driving device.
Driven member 5 is connect by key 9 with driving shaft 4, to realize the rotation of driven member 5.
It is the bearing for adding lubricating grease in portion requiring lubrication and being sealed with sealing structure with Packed roller bearing 1.
It is to be rolled with Packed double row tapered roller bearing, with Packed single-row circular cone with Packed roller bearing 1
Sub- bearing, with Packed multiple row tapered roller bearing or railway bearing, preferably with the double row tapered roller bearing of sealing.
When using with Packed single-row tapered roller bearing when, it is necessary to use two for one group of use, list of cancelling out each other
Row tapered roller bearing bring axial thrust.
The work original part to a kind of support device for lifting means rotation axis and beneficial effect carry out detailed below
Description.
Driving shaft transmission segment rotates under the drive of the drive, and driving device delivers torque to driving shaft by key 9
4, driving shaft 4 is synchronous with the inner ring of bearing to be turned, and since driven member 5 and driving shaft are connected by key, and then realizes driven member 5
Rotation.Meanwhile using the pressing plate 9 and flange axle sleeve and positioning shaft sleeve being mounted on driving shaft 4 to Packed Roller Shaft
Carry out axially position is held, the design of bearing block both ends has the bearing gland for being easily installed and dismantling, and bearing gland is used for bearing outer ring
Axially position, improve driving device integrated connection precision, and then improve service life.
In maintenance, firstly, the pressing plate on driving shaft is dismantled, and by the separation of bearing block 2 and pedestal, due to close
The roller bearing of envelope is installed in bearing block, is non-maintaining bearing with Packed roller bearing, is simplified the structure of bearing block,
Extracting tool is stuck on the annular convex platform of flange axle sleeve, the disassembly of bearing and driving shaft can be completed, safeguarded, the disassembly
Method is simple, convenient for operation, improves maintenance efficiency.
Since bearing is used with Packed roller bearing, needing to lubricate by standard in advance with Packed roller bearing
Position add specified amount lubricating grease and with micron order clearance sealing structure sealing it is complete, be integrated with Packed roller bearing
The tapered roller bearing of lubricating grease and sealing using bearing seat supports and uses flange axle sleeve and determines with Packed roller bearing
Position axle sleeve carries out axially position, simplifies location structure, and easy to disassemble, while realizing long-term non-maintaining under nominal situation
Operation does not need regular grease injection, greatly reduces maintenance work due to having self-lubricating property with Packed roller bearing
Amount, reduces intensity of workers, and working efficiency significantly improves；Meanwhile and avoid artificial grease injection excessively caused by
Grease leakage, grease waste and pollution on the environment；Secondly, avoiding the lubrication of bearing caused by artificial grease injection deficiency
Bad and bearing inordinate wear problem, to substantially increase bearing life, therefore the driving device has very strong economic valence
Value and practical popularization significance.
Embodiment 2
In the embodiment by taking driven shaft as an example, the structure of the support device of driven shaft is described in detail.With embodiment 1
The difference is that the structure of driven shaft and the fixed form of driven shaft fixing end, specific as follows.
As shown in Figures 3 and 4, driven shaft 11 is Step Shaft, including transmission segment, and the both ends of transmission segment are respectively arranged with bearing peace
Section is filled, two bearing construction section one is floating end, another is fixing end, and the diameter of two bearing construction sections is identical, transmission
The diameter of section is greater than the diameter of bearing construction section.
In the transmission segment of driving shaft, two are pacified two 5 spacer sleeves of driven member respectively with Packed roller bearing 1
It on the bearing construction section of driven shaft 11, is mounted in bearing block 2 with Packed roller bearing 1, bearing block 2 and pedestal connect
It connects.
4 floating end of driven shaft is close with Packed roller bearing 1 and having for the floating end of embodiment 1 in embodiment 2
The mounting structure of the roller bearing 1 of envelope is identical, the mounting structure with Packed roller bearing 1 of 4 fixing end of driven shaft with from
4 fixing end of moving axis it is identical with Packed 1 structure of roller bearing, the two sides with Packed roller bearing 1 of fixing end are set
It is equipped with bearing gland 6, bearing gland 6 is connect with the end face of bearing block 2, and two pass through driven shaft with Packed roller bearing
The pressing plate 10 at both ends is fixed.
The above content is only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality
Within protection scope with novel claims.
Claims (10)
1. a kind of support device for lifting means rotation axis, which is characterized in that including rotation axis (4) and with Packed rolling
Sub- bearing (1)；
Wherein, the rotation axis is Step Shaft, and one end is fixing end, and the other end is floating end, and the both ends of rotation axis are respectively mounted
Have with Packed roller bearing (1), is connect by bearing block (2) with pedestal with Packed roller bearing (1), with sealing
Roller bearing and rotation axis the shaft shoulder at be also arranged with flange axle sleeve (3), for axially fixed with Packed roller bearing
Position, flange axle sleeve are provided with annular convex platform on (3), the extracting tool for the Packed roller bearing of connection disassembling band.
2. being used for the support device of lifting means rotation axis according to claim 1, which is characterized in that the bearing block (2)
Including bearing holder (housing, cover) and the bracket that its bottom is arranged in, bearing holder (housing, cover) is provided centrally with for installing with Packed roller bearing
Mounting hole, bracket are bolted with pedestal.
3. being used for the support device of lifting means rotation axis according to claim 1, which is characterized in that the rotation axis is fixed
The two sides with Packed roller bearing at end are also respectively provided with bearing gland (14), the end of bearing gland and bearing block (2)
Face connection.
4. being used for the support device of lifting means rotation axis according to claim 1, which is characterized in that in the rotation axis also
Spacer sleeve is equipped with multiple driven members (5).
5. being used for the support device of lifting means rotation axis according to claim 1, which is characterized in that the flange axle sleeve
(3) annular convex platform on is contacted with the inner ring with Packed roller bearing.
6. being used for the support device of lifting means rotation axis according to claim 1, which is characterized in that based on the rotation axis
Moving axis (4), the fixing end of the driving shaft are additionally provided with linkage section, and linkage section is used for and the shaft coupling or hollow shaft of driving device
Speed reducer connection.
7. being used for the support device of lifting means rotation axis according to claim 6, which is characterized in that the band is Packed
Positioning shaft sleeve (7) are arranged on driving shaft between roller bearing (1) and driving device, for Packed roller bearing
Axially position is provided on the end face of the floating end of driving shaft for the pressing plate with Packed roller bearing axial restraint,
The side of pressing plate is contradicted with the inner ring with Packed roller bearing.
8. according to claim 1 be used for lifting means rotation axis support device, which is characterized in that the rotation axis be from
Moving axis (11), the both ends of driven shaft (11) are provided with for the pressing plate with Packed roller bearing (1) axially position, pressure
The side of plate is contradicted with the inner ring with Packed roller bearing.
9. being used for the support device of lifting means rotation axis according to claim 1, which is characterized in that the band is Packed
The outer ring of roller bearing (1) and bearing block (2) clearance fit, the inner ring with Packed roller bearing (1) and rotation axis interference
Cooperation.
10. being used for the support device of lifting means rotation axis according to claim 1, which is characterized in that described with sealing
Roller bearing (1) be with Packed double row tapered roller bearing, with Packed single-row tapered roller bearing, with sealing
Multiple row tapered roller bearing or railway bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150839.1U CN209510928U (en) | 2019-01-28 | 2019-01-28 | A kind of support device for lifting means rotation axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920150839.1U CN209510928U (en) | 2019-01-28 | 2019-01-28 | A kind of support device for lifting means rotation axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209510928U true CN209510928U (en) | 2019-10-18 |
Family
ID=68203076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920150839.1U Active CN209510928U (en) | 2019-01-28 | 2019-01-28 | A kind of support device for lifting means rotation axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209510928U (en) |
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2019
- 2019-01-28 CN CN201920150839.1U patent/CN209510928U/en active Active
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