CN208514424U - A kind of bearing dismounting tool of blower fan main shaft - Google Patents
A kind of bearing dismounting tool of blower fan main shaft Download PDFInfo
- Publication number
- CN208514424U CN208514424U CN201821085849.3U CN201821085849U CN208514424U CN 208514424 U CN208514424 U CN 208514424U CN 201821085849 U CN201821085849 U CN 201821085849U CN 208514424 U CN208514424 U CN 208514424U
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- China
- Prior art keywords
- bearing
- disassembling fixture
- main shaft
- semi
- circular shape
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- Structures Of Non-Positive Displacement Pumps (AREA)
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Abstract
The utility model relates to bearing extractor fields, especially a kind of bearing dismounting tool of blower fan main shaft, including disassembling fixture ontology and draw-off gear, the disassembling fixture ontology includes the disassembling fixture of two pieces of semi-circular shape, the disassembling fixture of the semi-circular shape includes load portion and inner ring support portion, the inner ring support portion is arranged at the inner ring of the disassembling fixture ontology, with a tapered end and an inner surface cooperated with bearing shoulder to be removed, the internal diameter of the tapered end is greater than the interior steel ring internal diameter of bearing to be removed, less than the interior steel ring outer diameter of bearing to be removed.A kind of bearing dismounting tool of blower fan main shaft of the utility model has the advantage that (1) can effectively clamp the interior steel ring of bearing to be removed, disposable to dismantle, and provides working efficiency；(2) bearing to be removed will not be damaged, improves the recycling rate of waterused of bearing, has saved production cost.
Description
Technical field
The utility model relates to bearing extractor field, especially a kind of bearing dismounting tool of blower fan main shaft.
Background technique
In blower fan main shaft maintenance, need to get off the bearing removal on main shaft, it, can be to master after on the one hand dismantling bearing
Axis is repaired；On the other hand, bearing is once purged, moreover it is possible to reuse.Bearing is mainly by interior steel ring, swivel, outer rim structure
Tapered roller bearing is generally used at, the bearing on blower fan main shaft, and when installation, generally interior steel ring connects with the shaft shoulder on main shaft
Touching, outer rim is then installed in bearing block, as shown in Fig. 2, interior steel ring stays in the area ratio outside the shaft shoulder after bearing is installed in place
It is smaller.
In the prior art, there is special bearing removal draw-off gear, but such draw-off gear mostly provides pulling claw or card
Disk directly catches the outer ring of bearing to be removed, then exerts a force, and bearing is pulled down；But in actual production process, for used
Blower fan main shaft, bearing to be removed is generally and main shaft is because of mutual rubbing action in work, has had been attached to together, if using normal
The bearing removal of rule draws Malaysia disassembly, often by the direct pulling of interior outer rim of bearing on the one hand bearing be caused to damage
Bad, steel ring also stays on main shaft in another aspect, needs to dismantle again primary；And routine draws pulling claw or the chuck of horse to guarantee by force
Degree, size is all larger, but in practical bearing steel ring size it is again all smaller, and as blower fan main shaft, generally at bearing step
It can be equipped with inclined-plane, cause the pulling claw etc. for drawing horse that can not be reliably fixed, therefore it is extremely difficult to dismantle steel ring in bearing.Conventional disassembly process
In, no matter bearing is fine or not, is dismantled by existing extracting tool, can all cause bearing damage, generates unnecessary waste.
Therefore, it is badly in need of designing a kind of bearing dismounting tool of blower fan main shaft, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of bearing dismounting tools of blower fan main shaft, can effectively realize to bearing
Disassembly, bearing itself will not be damaged, and bearing can disposably be dismantled.
To achieve the purpose that above-mentioned utility model, a kind of bearing dismounting tool of blower fan main shaft, including disassembly work are provided
Filling ontology and draw-off gear, which is characterized in that the disassembling fixture ontology includes the disassembling fixture of two pieces of semi-circular shape, and described half
The disassembling fixture of circular ring shape includes load portion and inner ring support portion, and the disassembling fixture ontology is arranged in the inner ring support portion
At inner ring, the inner ring support portion has a tapered end and an inner surface cooperated with bearing shoulder to be removed,
The internal diameter of the tapered end is greater than the interior steel ring internal diameter of bearing to be removed, less than the interior steel ring outer diameter of bearing to be removed；It is described
Inner ring support portion is fixed in the load portion, protrudes from the load portion；The cone of the disassembling fixture of two pieces of semi-circular shape
Shape end forms a relatively complete circular flat, is in contact with steel ring in bearing to be removed, to steel ring in bearing to be removed
Form powerful support, when drawing can make the effective stress of steel ring in bearing to be removed, relative displacement be generated with main shaft, thus band
It is mobile to move entire bearing；Mounting ear is equipped at left and right sides of the load portion；The disassembling fixture of two pieces of semi-circular shape passes through tight
Firmware is connected across the mounting ear, and inner surface forms a relatively complete inner cavity, accommodates the shaft shoulder of main shaft；The drawing
Device is hydraulic screw extractor, and the hydraulic screw extractor includes ontology, jackscrew, torque arm and pull rod, and the load portion, which is equipped with, supplies the pull rod
The pull rod mounting hole for passing through and fixing.
Preferably, the fastener is bolt.
Preferably, the pull rod mounting hole being arranged on the disassembling fixture of every piece of semi-circular shape is at least 2, and described two
Mounting hole on the disassembling fixture of block semi-circular shape is symmetrically set, and the quantity of the pull rod and torque arm and the pull rod are installed
Hole number is corresponding.
In use, the disassembling fixture obvolvent of two pieces of semi-circular shape is used into bolt fastening at band disassembly bearing after working good,
The interior steel ring of the tapered end of inner ring support portion and bearing to be removed is in close contact, and disassembling fixture and bearing to be removed become at this time
Then one entirety fixes the pull rod on hydraulic screw extractor with disassembling fixture, at this point, the jackscrew of hydraulic screw extractor is contacted with main shaft,
Start hydraulic screw extractor, jackscrew is stretched out to major axes orientation, and hydraulic screw extractor ontology moves upwards, to drive torque arm and then drive pull rod
It moves upwards, disassembling fixture ontology moves upwards therewith under drag-link force drive, can tear bearing to be removed from main shaft open
Under.
A kind of bearing dismounting tool of blower fan main shaft of the utility model has the advantage that
(1) the interior steel ring of bearing to be removed can effectively be clamped, it is disposable to dismantle, improve working efficiency；
(2) bearing to be removed will not be damaged, improves the recycling rate of waterused of bearing, has saved production cost.
Detailed description of the invention
Fig. 1 is that a kind of a kind of whole implementation of preferred embodiment of the bearing dismounting tool of blower fan main shaft of the utility model is illustrated
Figure；
Fig. 2 is a kind of bearing dismounting tool of blower fan main shaft of the utility model and bearing fit status diagram；
Fig. 3 is that a kind of disassembling fixture ontology overall structure of bearing dismounting tool of blower fan main shaft of the utility model is illustrated
Figure.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
A kind of a kind of working condition of preferred embodiment such as Fig. 1 of bearing dismounting tool of blower fan main shaft of the utility model institute
Show comprising disassembling fixture ontology 1 is fixed at the bearing to be removed 2 of main shaft 3 by fastener；In the end of main shaft 3
Hydraulic screw extractor 4 is set, and the top part of jackscrew 41 is in contact with the end of main shaft 3, and the hydraulic screw extractor 4 is equipped with torque arm
42, torque arm 42 is connected with disassembling fixture ontology 1 by pull rod 5.
As shown in Figures 2 and 3, disassembling fixture ontology 1 involved in the utility model by two pieces of semi-circular shape disassembly work
11 compositions are filled, two pieces of disassembling fixtures 11 are linked together by fastener, encircle the bearing 2 to be removed on the main shaft 3
Place.
The disassembling fixture 11 is mainly made of inner ring support portion 12 and load portion 13；The inner ring support portion 12 is arranged
At the inner ring of the disassembling fixture 11, the load portion 13 is protruded from, the inner ring support portion 12 is also sharper with one
Tapered end 121, the interior steel ring internal diameter that internal diameter is greater than bearing to be removed are used to less than the interior steel ring outer diameter of bearing to be removed
It is in contact with steel ring 22 in bearing；Meanwhile the inner ring support portion 12 also has an inner surface matched with shoulder
122。
Two pieces of disassembling fixtures 11 are linked together by fastener 6, and the fastener 6 is preferably bolt and nut, in this way may be used
With easy disassembly；The tapered end 121 of two pieces of disassembling fixtures 11 forms a relatively complete circular flat, with steel ring in bearing
22 are in contact；And the inner surface 122 of two pieces of disassembling fixtures 11 forms a relatively complete inner cavity, accommodates the shaft shoulder of main shaft 3.
Inner ring support portion 12 is fixed in load portion 13, can be fixed using welding manner, and the load portion 13, which is equipped with, to be supplied
The pull rod mounting hole 131 that pull rod 5 is passed through and fixed；The installation there are two fastener 6 is set in the left and right sides in the load portion 13
Ear 132.
For the reliability of application, need to be symmetrical arranged more than two pull rod mounting holes 131 in the load portion 13, with
Corresponding hydraulic screw extractor 4 on need to be arranged the torque arm 42 of respective numbers.
When work, hydraulic screw extractor 4 starts, and jackscrew 41 is stretched out to 3 direction of main shaft immediately, drives 4 ontology of hydraulic screw extractor upward
Movement, i.e. torque arm 42 move upwards；As the torque arm 42 moves upwards, corresponding 5 stress of pull rod will drive, and pulling force is passed
Pass disassembling fixture ontology 1；The disassembling fixture ontology 1 moves upwards, Jin Ershi under the action of 5 pulling force of pull rod along main shaft 3
The effect that now bearing 2 to be removed is unloaded from main shaft 3.
The preferred embodiment created to the utility model above is illustrated, but the utility model is created not
It is only limitted to the embodiment, those skilled in the art go back under the premise of without prejudice to the utility model creative spirit
Various equivalent variation or replacement can be made, these equivalent modifications or replacement are all contained in the claim of this application and are limited
In the range of.
Claims (3)
1. a kind of bearing dismounting tool of blower fan main shaft, including disassembling fixture ontology and draw-off gear, which is characterized in that described to tear open
The disassembling fixture that tooling ontology includes two pieces of semi-circular shape is unloaded, the disassembling fixture of the semi-circular shape includes load portion and inner ring branch
Support part, the inner ring support portion are arranged at the inner ring of the disassembling fixture ontology, have a tapered end and one with to
The inner surface of bearing shoulder cooperation is dismantled, the internal diameter of the tapered end is greater than the interior steel ring internal diameter of bearing to be removed, small
In the interior steel ring outer diameter of bearing to be removed；The inner ring support portion is fixed in the load portion, protrudes from the load portion；Institute
The tapered end for stating the disassembling fixture of two pieces of semi-circular shape forms a relatively complete circular flat, with steel in bearing to be removed
Circle is in contact, and mounting ear is equipped at left and right sides of the load portion；The disassembling fixture of two pieces of semi-circular shape is worn by fastener
The mounting ear connection is crossed, inner surface forms a relatively complete inner cavity, accommodates the shaft shoulder of main shaft；The draw-off gear is
Hydraulic screw extractor, the hydraulic screw extractor include ontology, jackscrew, torque arm and pull rod, and the load portion is equipped with to be passed through simultaneously for the pull rod
Fixed pull rod mounting hole.
2. a kind of bearing dismounting tool of blower fan main shaft as described in claim 1, which is characterized in that the fastener is spiral shell
Bolt.
3. a kind of bearing dismounting tool of blower fan main shaft as described in claim 1, which is characterized in that every piece of semi-circular shape
Disassembling fixture on the pull rod mounting hole that is arranged be at least 2, and the mounting hole on the disassembling fixture of two pieces of semi-circular shape
It is symmetrically set, the quantity of the pull rod and torque arm is corresponding with pull rod installation hole number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821085849.3U CN208514424U (en) | 2018-07-09 | 2018-07-09 | A kind of bearing dismounting tool of blower fan main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821085849.3U CN208514424U (en) | 2018-07-09 | 2018-07-09 | A kind of bearing dismounting tool of blower fan main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208514424U true CN208514424U (en) | 2019-02-19 |
Family
ID=65335434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821085849.3U Expired - Fee Related CN208514424U (en) | 2018-07-09 | 2018-07-09 | A kind of bearing dismounting tool of blower fan main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208514424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110405447A (en) * | 2019-08-28 | 2019-11-05 | 中车株洲电机有限公司 | A kind of bearing inner race axially exits disassembling fixture |
| CN110434804A (en) * | 2019-08-26 | 2019-11-12 | 泸州容大智能变速器有限公司 | Disassembling fixture |
-
2018
- 2018-07-09 CN CN201821085849.3U patent/CN208514424U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434804A (en) * | 2019-08-26 | 2019-11-12 | 泸州容大智能变速器有限公司 | Disassembling fixture |
| CN110434804B (en) * | 2019-08-26 | 2024-04-26 | 泸州容大智能变速器有限公司 | Disassembling tool |
| CN110405447A (en) * | 2019-08-28 | 2019-11-05 | 中车株洲电机有限公司 | A kind of bearing inner race axially exits disassembling fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.40 Xinhua Road, Xinqiao Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Jingya fan Co.,Ltd. Address before: 214426 Xinhua Road Industrial Zone, Xinqiao Town, Jiangyin, Wuxi, Jiangsu 40 Patentee before: JIANGYIN JINGYA FAN Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 |