CN209354527U - A kind of self compensation quick-replaceable water lubriucated bearing - Google Patents
A kind of self compensation quick-replaceable water lubriucated bearing Download PDFInfo
- Publication number
- CN209354527U CN209354527U CN201821932633.6U CN201821932633U CN209354527U CN 209354527 U CN209354527 U CN 209354527U CN 201821932633 U CN201821932633 U CN 201821932633U CN 209354527 U CN209354527 U CN 209354527U
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- Prior art keywords
- bushing
- bearing
- bearing shell
- locking member
- component
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Abstract
The utility model discloses a kind of fast self compensation quick-replaceable water lubriucated bearing, can compensate to bearing dynamical height, and can realize the Quick overhaul to bushing component, replacement operation operation.The self compensation quick-replaceable water lubriucated bearing includes: bushing, two bushing components, bearing shell locking member and bearing shell driving device；Bushing inner peripheral surface is divided into top semicircle and lower semicircular, and top semicircle and lower semicircular are the identical equal radiuses disc of radius；But there is setting angle between the axis of the axis and outer circumference surface of top semicircle and lower semicircular；Two bushing components are symmetrically sleeved on bush inside above and below, and are combined into sliding pair with the matching of the inner peripheral surface of bushing respective side；Bearing shell driving device is for driving the bushing component being attached thereto to move along the inner surface of bushing to adjust bearing dynamical height；Each bushing component corresponds to a set of bearing shell locking member, and bearing shell locking member is used for after bearing dynamical height is adjusted to setting value, and be connected and fixed bushing and bushing component.
Description
Technical field
The utility model relates to a kind of bearings, and in particular to one kind being capable of quick-replaceable water lubriucated bearing.
Background technique
Transmission System of Propulsion Plant system stern water lubrication bearing support is all made of the mounting means of propeller boss irradiation bore hole, Qi Shuirun at present
Plain besring mostly uses bearing shell to be fixed on the structure type of metal lining, and this bearing arrangement and mounting means are primarily present and ask as follows
Topic:
(1) stern bearing is mounted on propeller boss inner hole, and propeller boss inner hole precision determines the installation accuracy of stern bearing, tradition peace
Dress step be influence Ship Structure deformation main welding terminate, using irradiation method carry out stern bearing propeller boss rough bore,
Then smart boring work carries out the accuracy checking of propeller boss hole size, finally carries out the installation of stern bearing again, installation process is multiple
Miscellaneous, required precision is stringent, long construction period.
(2) in shafting operational process, Ship Structure deformation, equipment replacement maintenance, long-play lead to bearing bush abrasion etc.
Situation will lead to stern bearing support absolute altitude and generate variation, influence centering of shafting state, can not be into this traditional stern bearing
Row is adaptively adjusted, and influences propulsion system peace and quiet stable operation, can lead to equipment and the system failure when serious.
(3) traditional stern bearing bush is fastened on metal lining, and metal lining is monolithic construction, when stern bearing bearing shell
When service life expires or overhaul replacement bearing shell, stern bearing integral demounting need to be replaced, detailed process are as follows: disassembly propeller locking connection
Relay part-disassembly, lifting propeller-disassembly, lifting main shaft-release bearing connection fastener-disassembly underslung bearing-are torn open
Inspection bearing-replacement bearing shell-reassembles bearing, main shaft, propeller, and the entire disassembly process period is long, it is big to involve shafting project amount.
Utility model content
In view of this, the present invention provides a kind of self compensation quick-replaceable water lubriucated bearing, can to bearing dynamical height into
Row compensation, and can realize the Quick overhaul to bushing component, replacement operation operation.
The self compensation quick-replaceable water lubriucated bearing includes: bushing, two bushing components, bearing shell locking member and bearing shell
Driving device；
The bushing inner peripheral surface is divided into top semicircle and lower semicircular, and top semicircle and lower semicircular are equal diameter circle
Face, and the radius of top semicircle is identical as the radius of lower semicircular；But the axis and outer circumference surface of top semicircle and lower semicircular
Axis between there is setting angle, and top semicircle axis and lower semicircular axis are along the axisymmetrical of outer circumference surface；
The cross section of the bushing component is semicircle, and two bushing components are symmetrically sleeved on the bush inside above and below,
And it is combined into sliding pair with the matching of the inner peripheral surface of bushing respective side, there is gap between the opposite face of two bushing components；
The bushing component is connected by key with the bushing of respective side, and the key is fixed on bushing, and the bearing shell group
The length of key mounting groove is greater than key length on part；
Bearing shell driving device, the bearing shell driving are provided on underlying bushing component or on two bushing components
Device is for driving the bushing component being attached thereto to move along the inner surface of the bushing to adjust bearing dynamical height；
Each bushing component corresponds to a set of bearing shell locking member, and the bearing shell locking member in the bearing dynamical height for being adjusted to
After setting value, be connected and fixed bushing and bushing component.
It further, further include bearing condition monitoring component；The bearing condition monitoring component is used for real-time monitoring bearing
The variable quantity of absolute altitude.
Further, the bearing condition monitoring component is shafting vibration where the radial displacement of real-time monitoring bearing and bearing
Displacement sensor.
Further, the bushing component includes: bearing shell supporting element and bearing shell, and the bearing shell is fixed on the bearing shell support
The diameter of axle of the inner surface of part, the internal diameter of the bearing shell and corresponding support shafting matches；The inner surface of the bearing shell supporting element is
The bushing inner peripheral surface on the coaxial cylindrical surface with excircle of bushing circumferential surface, the corresponding side of outer circumference surface matches, the bearing shell branch
Support member outer circumference surface and the matching of bushing inner peripheral surface are combined into sliding pair.
Further, the bearing shell driving device is pull rod, and one end of the pull rod is machined with external screw thread, other end middle part
It is provided with the shaft shoulder；The end of thread of the pull rod screws in bushing component big end threaded hole, and pull rod is axial and the axis that is attached thereto
Watt member perimeter circumferential surface it is axial parallel；End where the shaft shoulder of the pull rod is located at outside bushing component, and bearing dynamical height is adjusted to
After setting value, the pull rod by bearing shell locking member carry out axial limiting, while the bearing shell locking member be connected and fixed bushing and
Bushing component.
The utility model has the advantages that
(1) the utility model can be adaptively adjusted bearing dynamical height by adjusting bearing shell driving device, guarantee to set
Standby is reliable for operation.
(2) by the way that bearing condition monitoring component can Ship Structure deformation, equipment be more in real-time monitoring actual moving process
Change maintenance, long-play leads to the bearing dynamical height situations of change caused by various factors such as bearing shell deformation, according to this to bearing dynamical height
It compensates, can guarantee that centering of shafting state is in optimum state.
(3) the utility model is simple and reliable for structure, technical solution is novel, greatly reduces the installation positioning of propeller boss and bearing
Required precision shortens the construction period.
(4) characteristic that the utility model has included backup bushing component, exchanges spare part, ingenious due to structure type set
Meter, it can be achieved that construction site quick-replaceable or exchange bushing component the characteristics of, greatly reduce maintenance cost, correlation involves work
Journey shortens construction period, has great engineering value and application prospect.
(5) there are certain deviations for the special designing permission propeller boss irradiation of the utility model, bore hole, pass through after bearing installation
Bearing shell driving device moves up and down adjustment to bearing shell, to compensate adjustment to the corresponding diameter of axle, enormously simplifies engineering
In practice to the required precision of propeller boss positioning, weldment, bore hole and bearing installation.
Detailed description of the invention
Fig. 1 is the axial sectional view of the water lubriucated bearing of the utility model；
Fig. 2 is the axial sectional view of bushing 1；
Fig. 3 is the end structure illustration of the utility model；
Fig. 4 is the connection schematic diagram of bearing shell locking member and bushing component；
Fig. 5 is bushing component structural schematic diagram；
Fig. 6 is bushing component B direction view；
Fig. 7 is bushing component C direction view.
In figure: 1- bushing, 3- bushing component, 4- key, 5- lower brasses locking member A, 6- bearing shell driving device, the lower part 7- axis
Watt locking member B, 9- top brass locking member, 10- bearing condition monitoring component, 11- bearing shell supporting element, 12- bearing shell.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in further detail.
The present embodiment provides a kind of self compensation quick-replaceable water lubriucated bearings, are able to solve existing water lubriucated bearing installation boring
Hole precision requires height and installs in time-consuming and laborious, operational process to push away caused by the displacement in turn of bearing dynamical height caused by various factors
The problems such as into centering of shafting state deteriorating, water lubriucated bearing replacement or maintenance cycle long heavy workload.
As shown in Figure 1, the water lubriucated bearing include: bushing 1, bushing component 3, bearing shell locking member, bearing shell driving device 6,
With bearing condition monitoring component 10.Wherein 1 outer surface of bushing is cylindrical surface, is connected and fixed by its flange upper bolt hole in propeller boss
It is internal；Its inner surface structure is as shown in Fig. 2, 1 inner surface of bushing is divided into top semicircle and lower semicircular, top semicircle and lower part half
Circle is equal diameter disc, and the radius of top semicircle is identical as the radius of lower semicircular；But top semicircle and lower semicircular
There is certain angle, and top semicircle axis (line c) shown in Fig. 2 and lower semicircular axis in the axis of axis and outer circumference surface
((line a) shown in Fig. 2 is symmetrical along the axis of outer circumference surface by line b) shown in Fig. 2；When processing the inner surface of bushing 1, top semicircle
It need to individually be processed with lower semicircular, the other ways such as oblique bore hole or numerically-controlled machine tool can be used in processing.
As Figure 1-Figure 5, the cross section of bushing component 3 is semicircle, and two bushing components 3 are symmetrically sleeved on above and below
Inside bushing 1, and it is combined into sliding pair with the matching of the inner surface of 1 respective side of bushing, is stayed between the opposite face of two bushing components 3
There is certain interval, to guarantee not interfere during the axial movement of bushing component 3, gap is according to bearing dynamical height adjustment amount
Value, bearing bush abrasion magnitude, propeller boss installation machining deviation etc. are comprehensive to be determined.
Specifically, bushing component 3 include bearing shell supporting element 11 and bearing shell 12, bearing shell 12 can using rubber lath bearing shell,
Other available bearing shell patterns such as rubber monoblock type bearing shell, macromolecule monoblock type bearing shell or material, bearing shell pass through vulcanization, parting of baffle bolt
The mounting means such as fastening, swelling are fixed on the inner surface of bearing shell supporting element 11, and group is integral.The internal diameter of bearing shell 12 and corresponding branch
The diameter of axle is held to match.The inner surface of bearing shell supporting element 11 is the cylindrical surface coaxial with 1 outer circumference surface of bushing, bearing shell supporting element 11
1 inner surface of bushing of the corresponding side of outer circumference surface matches, i.e., bearing shell supporting element 11 is to wait radiuses circle along axial each section
Face, 11 outer surface of bearing shell supporting element and the matching of 1 inner surface of bushing are combined into sliding pair, this special designing of bearing shell supporting element 11
It can guarantee that bearing shell supporting element 11 is fitted closely with bushing 1 in axially different position.Each bushing component 3 by key 4 with it is corresponding
The bushing 1 of side is connected, and key 4 is fixed by screws on bushing 1, and key 4 is used to limit the freedom degree that rotates in a circumferential direction of bushing component 3,
But the axial movement (length of the length of key mounting groove greater than key 4 i.e. on bushing component 3) of bushing component 3 is not influenced.
The present embodiment intermediate bushing driving device 6 is pull rod, basic in view of water lubriucated bearing middle and upper part bushing component 3 in engineering
Without abrasion, bearing shell driving device 6 is arranged on lower brasses component, one end of pull rod is machined with external screw thread, other end middle part
It is provided with the shaft shoulder, the end of thread of pull rod screws in lower brasses component big end threaded hole, uses inclination arrangement, i.e. pull rod is axial
It is axially parallel with lower brasses member perimeter circumferential surface, thus end thread " entrance " can be driven by rotation bearing shell driving device 6
Or " exiting " bushing component 3, it is (flat by two to drive bushing component 3 to move along 1 inner surface of bushing and then adjust bearing dynamical height
Axial displacement is converted to radial displacement by capable inclined-plane).End where the shaft shoulder of pull rod is located at outside bushing component 3, bearing dynamical height
After being adjusted to sets requirement, bushing 1 and bushing component 3 are connected and fixed by bearing shell locking member.
The present embodiment middle and lower part bearing shell locking member includes: lower brasses locking member A5, lower brasses locking member B7 and two groups
Screw；It is provided with the centre bore for passing through pull rod on lower brasses latch segment A5 and lower brasses latch segment B7, and under
Bearing shell locking member A5 and lower brasses locking member B7 are opposite in portion, opposite with lower brasses locking member B7 in lower brasses locking member A5
End face on be provided with and be located in the annular groove with the consistent annular groove of the shaft shoulder on pull rod, the shaft shoulder on pull rod, the both ends of the shaft shoulder
It is limited respectively by lower brasses locking member A5 and lower brasses locking member B7, to realize the axial limiting to pull rod, then
Lower brasses locking member A5 and lower brasses locking member B7 is affixed by screw and bushing 1 and bushing component 3, and screw is divided into two
Group is separately fixed on bushing 1 on bushing component 3, and 1 screwing of bushing is for fixing lower brasses locking member A5 and lower part axis
Watt locking member B7,3 screwing of bushing component wait for being screwed into after the installation of bushing component 3, adjustment, play fixed bushing component 3
Effect.
The big end of top brass component is again provided with the threaded hole for the end of thread cooperation with pull rod, top brass lock
Tight part 9 is affixed with bushing 1 and bushing component 3 respectively by two groups of screws, plays the work of be connected and fixed bushing 1 and bushing component 3
With.
Bearing condition monitoring component 10 is installed on top brass locking member 9, for recording, monitoring actual moving process
Middle Ship Structure deformation, equipment replacement maintenance, long-play cause bearing dynamical height caused by the various factors such as bearing shell deformation to become
Change situation, thus bearing dynamical height can accurately be compensated according to monitoring data, so that centering of shafting state is in best
State.Another effect of bearing monitoring component 10 is the real-time monitoring to bearing bush abrasion magnitude, so as to right on this basis
The service life of bearing bush, replacement cycle carry out early warning and suggestion.The present embodiment middle (center) bearing condition monitoring component 10 is displacement
Sensor is used for the radial displacement of real-time monitoring bearing and shafting vibration, to obtain bearing dynamical height situation of change and bearing bush abrasion
Amount.
In the present solution, since the special designing of bushing component 3 and bushing 1 allows propeller boss irradiation, bore hole there are certain deviation,
Adjustment is moved up and down to bushing component 3 by bearing shell driving device 6 after bearing installation, to mend to the corresponding diameter of axle
Adjustment is repaid, required precision of the engineering in practice to the installation of propeller boss positioning, weldment, bore hole and bearing is enormously simplified.
1 top of bushing, lower part are arranged symmetrically two identical bushing components 3, in view of water lubriucated bearing middle and upper part axis in engineering
Upper and lower part bushing component can be interchangeable, the more change of current by watt component substantially without abrasion when lower part bushing component serious wear
Journey are as follows: slightly jacked up with tooling the bearing diameter of axle-with bearing shell driving device " pull-outs " lower brasses component-by bearing shell locking member with
Bearing shell driving device is installed on top and similar to disassembly top brass component-bushing component of exchange two and disassembling fixture；Together
When, replacement operation only can also be carried out to lower brasses component.
The special designing of the utility model can realize the Quick overhaul to bushing component, replacement operation operation, compared to biography
Stern bearing bush of uniting replaces process, involves engineering and only relates to lift the top of main shaft, without dismantling propeller, main shaft, bearing
Etc. equipment, enormously simplify working procedure, shorten construction period.
To sum up, the above is only the preferred embodiments of the present utility model only, is not intended to limit the protection of the utility model
Range.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in
Within the protection scope of the utility model.
Claims (6)
1. a kind of self compensation quick-replaceable water lubriucated bearing characterized by comprising bushing (1), two bushing components (3), axis
Watt locking member and bearing shell driving device (6)；
Bushing (1) inner peripheral surface is divided into top semicircle and lower semicircular, and top semicircle and lower semicircular are equal diameter disc,
And the radius of top semicircle is identical as the radius of lower semicircular；But the axis of the axis and outer circumference surface of top semicircle and lower semicircular
There is setting angle, and top semicircle axis and lower semicircular axis are along the axisymmetrical of outer circumference surface between line；
The cross section of the bushing component (3) is semicircle, and two bushing components (3) are symmetrically sleeved on the bushing (1) above and below
Inside, and match with the inner peripheral surface of bushing (1) respective side and be combined into sliding pair, between the opposite face of two bushing components (3)
There is gap；
The bushing component (3) is connected by key (4) with the bushing (1) of respective side, and the key (4) is fixed on bushing (1), and
The length of key mounting groove is greater than the length of key (4) on the bushing component (3)；
Bearing shell driving device (6), the axis are provided on underlying bushing component (3) or on two bushing components (3)
Watt driving device (6) is used to that the bushing component (3) being attached thereto to be driven to move along the inner surface of the bushing (1) to adjust bearing
Absolute altitude；
The corresponding a set of bearing shell locking member of each bushing component (3), the bearing shell locking member in the bearing dynamical height for being adjusted to
After setting value, the bushing that is connected and fixed (1) and bushing component (3).
2. self compensation quick-replaceable water lubriucated bearing as described in claim 1, which is characterized in that further include bearing condition monitoring
Component (10)；The bearing condition monitoring component (10) is used for the variable quantity of real-time monitoring bearing dynamical height.
3. self compensation quick-replaceable water lubriucated bearing as claimed in claim 2, which is characterized in that the bearing condition monitoring group
Part (10) is the displacement sensor of shafting vibration where the radial displacement of real-time monitoring bearing and bearing.
4. self compensation quick-replaceable water lubriucated bearing as claimed in claim 1 or 2, which is characterized in that the bushing component (3)
It include: bearing shell supporting element (11) and bearing shell (12), the bearing shell (12) is fixed on the inner surface of the bearing shell supporting element (11), institute
The diameter of axle of the internal diameter and corresponding support shafting of stating bearing shell (12) matches；The inner surface of the bearing shell supporting element (11) is and bushing
(1) bushing (1) inner peripheral surface on the coaxial cylindrical surface of outer circumference surface, the corresponding side of outer circumference surface matches, the bearing shell branch
Support member (11) outer circumference surface and the matching of bushing (1) inner peripheral surface are combined into sliding pair.
5. self compensation quick-replaceable water lubriucated bearing as claimed in claim 1 or 2, which is characterized in that the bearing shell driving dress
Setting (6) is pull rod, and one end of the pull rod is machined with external screw thread, is provided with the shaft shoulder in the middle part of the other end；The end of thread of the pull rod
It screws in bushing component (3) big end threaded hole, and pull rod is axial axial parallel with the bushing component outer circumference surface being attached thereto；
End where the shaft shoulder of the pull rod is located at bushing component (3) outside, and after bearing dynamical height is adjusted to setting value, the pull rod passes through axis
Watt locking member carries out axial limiting, while the bearing shell locking member is connected and fixed bushing (1) and bushing component (3).
6. self compensation quick-replaceable water lubriucated bearing as claimed in claim 5, which is characterized in that the bearing shell locking member packet
Include: bearing shell locking member A, bearing shell locking member B and two groups of fasteners are provided on bearing shell locking member A and bearing shell locking member B and are used for
Make the centre bore that pull rod passes through, and bearing shell locking member A and bearing shell locking member B are opposite, is provided with and draws on its opposite end face
The consistent annular groove of the shaft shoulder on bar, the shaft shoulder on pull rod are located in the annular groove, and the both ends of the shaft shoulder pass through bearing shell locking member A respectively
It is limited with lower brasses locking member B；The bearing shell locking member A and lower brasses locking member B passes through one group of fastener and bushing (1)
It is affixed, it is affixed by another group of fastener and bushing component (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932633.6U CN209354527U (en) | 2018-11-22 | 2018-11-22 | A kind of self compensation quick-replaceable water lubriucated bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932633.6U CN209354527U (en) | 2018-11-22 | 2018-11-22 | A kind of self compensation quick-replaceable water lubriucated bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354527U true CN209354527U (en) | 2019-09-06 |
Family
ID=67783936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821932633.6U Expired - Fee Related CN209354527U (en) | 2018-11-22 | 2018-11-22 | A kind of self compensation quick-replaceable water lubriucated bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354527U (en) |
-
2018
- 2018-11-22 CN CN201821932633.6U patent/CN209354527U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 Termination date: 20201122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |