CN109955189A - A kind of sleeve mounting assembly - Google Patents
A kind of sleeve mounting assembly Download PDFInfo
- Publication number
- CN109955189A CN109955189A CN201711410881.4A CN201711410881A CN109955189A CN 109955189 A CN109955189 A CN 109955189A CN 201711410881 A CN201711410881 A CN 201711410881A CN 109955189 A CN109955189 A CN 109955189A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- main shaft
- bearing
- oilhole
- oil groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/064—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races fluid driven
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The present invention provides a kind of sleeve mounting assemblies, belong to support of bearing technical field；It solves existing bearing sleeve technical problem easy to damage during installation；A kind of its technical solution are as follows: sleeve mounting assembly, including main shaft, the bearing being sheathed on main shaft and the sleeve between main shaft and bearing, main shaft one end is provided with circular sleeve, the hydraulic nut being threadedly coupled respectively with circular sleeve and sleeve is provided with outside circular sleeve, hydraulic nut outer surface offers the first oilhole, head tank is offered in hydraulic nut one end and head tank is communicated with the first oilhole, circular piston is provided in head tank, the second oilhole is axially offered on sleeve, sleeve outer surface offers the first oil groove, sleeve inner surface offers the second oil groove, second oilhole is communicated with the first oil groove and the second oil groove respectively；It by hydraulic installalion, does not generate any damage to sleeve, effectively protects sleeve, extend its service life.
Description
Technical field
The invention belongs to support of bearing technical fields, are related to a kind of sleeve mounting assembly.
Background technique
Sleeve is used to conical bore self-aligning bearing (self-aligning ball bearing, self-aligning roller bearing) being fixed on no shaft shoulder axis,
Structure is simple, reliable operation, and that bearing is exchanged is convenient, is widely used in weaving, light industry, papermaking, metallurgy, belt-conveying and conveying sets
The industries such as standby.
Existing adapter assembly is general to use mechanical attachment methods, for example, Authorization Notice No. is CN 102478063
The patent of invention of A discloses a kind of self-aligning roller bearing with sleeve comprising outer ring, inner ring, retainer, roller, inner ring
Inner hole be the conical surface, it is the conical surface, the sleeve that inner hole is cylinder, the conical surface of inner ring inner hole that outside is provided in the inner hole of inner ring
Consistent with conical degree of conical surface outside sleeve, there are a nut, this sleeve in the small end face side of sleeve by thread bush surely
Bearing is installed on bearing using mechanical installation method, although installation is relatively firm, simultaneously there is also following defect, by
It needs to be struck using some external rigid tools such as hammer etc when use mechanical installation method installation, installation
It beats, so can not only make adapter assembly impaired, destroy its integrality, so that it is generated deformation, adapter assembly is caused to dismantle
When can not be dismantled because of tension, while it also being caused secondary can not to use.
In conclusion the technical issues of in order to solve above-mentioned sleeve, need to design that a kind of structure is simple, prevents sleeve
Not damaged sleeve hydraulic installalion component when installation.
Summary of the invention
Energy when the purpose of the present invention is in view of the above-mentioned problems existing in the prior art, proposing a kind of simple structure, installation
The sleeve hydraulic installalion component that effective protection adapter assembly is not damaged, prolongs its service life.
Object of the invention can be realized by the following technical scheme: a kind of sleeve mounting assembly, including main shaft, is arranged
The sleeve being affixed on main shaft and bearing in the bearing on main shaft and between main shaft and bearing and respectively, the main shaft one
End is provided with the circular sleeve for pushing down sleeve, is provided with outside circular sleeve and connects respectively with circular sleeve and tightening external threading
The hydraulic nut connect, the hydraulic nut outer surface offer the first oilhole, offer head tank and pressure in hydraulic nut one end
Power slot is communicated with the first oilhole, and the circular piston that can be moved axially and be fixedly connected with main shaft, institute are provided in the head tank
It states and axially offers the second oilhole on sleeve, sleeve outer surface laterally offers the first oil groove, and sleeve inner surface is lateral
The second oil groove is offered, second oilhole is communicated with the first oil groove and the second oil groove respectively, and the main shaft other end is provided with outer diameter
Greater than main shaft outer diameter axle cap and boss is formed between axle cap and main shaft, locating ring, locating ring one end are also arranged on main shaft
It is resisted against on bearing, the other end is resisted against on boss.
Compared with prior art, the invention has the following advantages:
1, bearing is installed on main shaft by this mounting assembly by the way of hydraulic-driven, by head tank oiling make
Pressure in head tank increases, and under the fixed function of circular piston, the pressure in head tank makes hydraulic nut toward bearing side
To movement, and hydraulic nut sleeve is threadedly coupled, and therefore, sleeve is mobile with hydraulic nut and bearing is pushed to keep bearing tighter
Solid be installed on main shaft, whole installation process is not generated any damage to sleeve, is effectively protected by hydraulic completion
Sleeve extends its service life, and compares mechanical installation method, and hydraulic installalion is more conveniently, safely, fast.
2, the oil groove that surfaces externally and internally opens up on sleeve can carry out first time oiling before bearing installation, after oiling, oil
Liquid stream lubricates sleeve adequately between bearing and main shaft respectively to the oil groove of sleeve surfaces externally and internally, reduces axis
The resistance with sleeve when mobile is held, bearing is made to be easily installed, be more convenient.
Detailed description of the invention
Fig. 1 is a preferred embodiment of the present invention the schematic diagram of the section structure.
In figure, 10, main shaft；11, axle cap；12, boss；20, bearing；30, sleeve；31, the second oilhole；32, the first oil
Slot；33, the second oil groove；40, circular sleeve；50, hydraulic nut；51, the first oilhole；52, head tank；60, circular piston；70,
Thrust plate；71, screw；80, locating ring.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
In order to facilitate understanding, the left side in figure is front end, and right side is rear end.
As shown in Figure 1, a kind of 30 hydraulic installalion component of sleeve, including main shaft 10, the bearing being sheathed on main shaft 10 20
And it is affixed on the sleeve 30 on main shaft 10 and bearing 20 between main shaft 10 and bearing 20 and respectively.
The circular sleeve 40 that sleeve 30 is pushed down is installed in 10 front end of main shaft, is equipped with outside circular sleeve 40 point
The hydraulic nut 50 not being threadedly coupled with circular sleeve 40 and sleeve 30, hydraulic nut 50 simultaneously with circular sleeve 40 and tightening
Set 30 is threadedly coupled, and easy disassembly offers the first oilhole 51 in 50 outer surface of hydraulic nut, opens up in 50 front end of hydraulic nut
Have head tank 52 and head tank 52 communicated with the first oilhole 51, be provided in the head tank 52 can move axially and with main shaft 10
The circular piston 60 being fixedly connected axially offers the second oilhole 31 on the sleeve 30, and 30 outer surface of sleeve is laterally opened
Equipped with the first oil groove 32,30 inner surface of sleeve laterally offers the second oil groove 33, and second oilhole 31 is oily with first respectively
Slot 32 and the second oil groove 33 communicate.
Bearing 20 using the above structure, is installed on main shaft 10 by way of hydraulic-driven sleeve 30 by this mounting assembly
On, the first oilhole 51 is come round with head tank 52, and when the oiling in head tank 52, the pressure in head tank 52 increases, and due to
Circular piston 60 and main shaft 10 be it is fixed, the pressure in head tank 52 drives hydraulic nut 50 mobile toward 20 direction of bearing, and
50 sleeve 30 of hydraulic nut is threadedly coupled, and therefore, sleeve 30 is mobile with hydraulic nut 50 and bearing 20 is pushed to make bearing 20
Compared with being installed on main shaft 10 for fastening, whole installation process does not generate any damage by hydraulic completion, to sleeve 30, effectively
Protect sleeve 30, extend its service life, and compare mechanical installation method, hydraulic installalion is safer,
It is convenient, fast.
It is noted that opening up the first oil groove 32 in the outer surface of sleeve 30, is opened up in 30 inner surface of sleeve
Two oil grooves 33, the first oil groove 32 are communicated with the second oilhole 31 simultaneously with the second oil groove 33, before the installation of bearing 20, first to second
Oilhole 31 carries out oiling, after oiling, oil liquid by the first oil groove 32 with the second oil groove 33 is past flows to sleeve 30 and main shaft respectively
Between 10 and bearing 20, make adequately to be lubricated between sleeve 30 and bearing 20 and main shaft 10, in this way, bearing 20 can be reduced
With resistance of the sleeve 30 when mobile, bearing 20 is made to be easily installed, be more convenient.
Meanwhile sleeve 30 using the above structure, also facilitate the disassembly of bearing 20 Yu main shaft 10, when bearing 20 is dismantled,
Oil liquid is injected between sleeve 30 and bearing 20 and main shaft 10 by the second oilhole 31, makes sleeve 30, bearing 20, main shaft 10
Between three is lubricated by oil liquid under the state that is adjacent to, make bearing 20 disassembly faster, be easier.
Further, 60 front end of circular piston is equipped with the thrust plate 70 for compressing circular piston 60, the thrust plate
Axially mounted there are two screw 71 on 70,71 head of screw is adjacent to thrust plate 70, and the other end is inserted into main shaft 10 and and main shaft
10 are fixedly connected.
It is effectively that circular piston 60 is fixed by thrust plate 70, prevent 51 oiling of the first oilhole, the pressure in head tank 52
Power squeezes circular piston 60 toward the opposite direction of bearing 20, causes hydraulic nut 50 that can not normally push sleeve 30 mobile,
Meanwhile thrust plate 70 also functions to the effect of equilibrium circular shape piston 60, prevents circular piston 60 from tilting and causing in head tank 52
Pressure imbalance, and by fixed, the easy disassembly by thrust plate 70 and main shaft 10 of screw 71, fixed effect is preferable.
Further, 10 rear end of main shaft is provided with the axle cap 11 vertical with main shaft 10, and the outer diameter of the axle cap 11 is greater than main shaft
10 outer diameters and it is formed with boss 12 between 10 outer surface of axle cap 11 and main shaft, locating ring 80 is also arranged on main shaft 10, positioned
It encloses 80 one end to be resisted against on bearing 20, the other end is resisted against on boss 12.
Setting locating ring 80 is to prevent bearing 20 from excessively moving for the installation of bearing 20 to scheduled position on main shaft 10 herein
It moves and bearing 20 is caused to damage, meanwhile, it is also prevented from the excessively expansion of sleeve 30 and causes it that can not restore to the original state, certainly, this
It is needed for bearing 20 and the cooperation of main shaft 10 when in use.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (1)
1. a kind of sleeve mounting assembly, including main shaft, the bearing being sheathed on main shaft and between main shaft and bearing and
The sleeve being affixed on main shaft and bearing respectively, it is characterised in that: described main shaft one end is provided with the circle for pushing down sleeve
Sleeve is provided with the hydraulic nut being threadedly coupled respectively with circular sleeve and sleeve, the hydraulic nut outside circular sleeve
Outer surface offers the first oilhole, offers head tank in hydraulic nut one end and head tank is communicated with the first oilhole, the pressure
It is provided with the circular piston that can be moved axially and be fixedly connected with main shaft in power slot, the second oil is axially offered on the sleeve
Hole, sleeve outer surface laterally offer the first oil groove, and sleeve inner surface laterally offers the second oil groove；Second oilhole
It is communicated respectively with the first oil groove and the second oil groove, the main shaft other end is provided with outer diameter greater than the axle cap and axle cap of main shaft outer diameter and master
It is formed with boss between axis, locating ring is also arranged on main shaft, locating ring one end is resisted against on bearing, and the other end is resisted against boss
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711410881.4A CN109955189A (en) | 2017-12-23 | 2017-12-23 | A kind of sleeve mounting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711410881.4A CN109955189A (en) | 2017-12-23 | 2017-12-23 | A kind of sleeve mounting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109955189A true CN109955189A (en) | 2019-07-02 |
Family
ID=67020038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711410881.4A Pending CN109955189A (en) | 2017-12-23 | 2017-12-23 | A kind of sleeve mounting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109955189A (en) |
-
2017
- 2017-12-23 CN CN201711410881.4A patent/CN109955189A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190702 |
|
| WD01 | Invention patent application deemed withdrawn after publication |