CN203900844U - Device for installing bearing on motor rotor - Google Patents
Device for installing bearing on motor rotor Download PDFInfo
- Publication number
- CN203900844U CN203900844U CN201420283026.7U CN201420283026U CN203900844U CN 203900844 U CN203900844 U CN 203900844U CN 201420283026 U CN201420283026 U CN 201420283026U CN 203900844 U CN203900844 U CN 203900844U
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- CN
- China
- Prior art keywords
- bearing
- rotating shaft
- adjustment bar
- axial adjustment
- abutment sleeve
- 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.)
- Withdrawn - After Issue
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a device for installing a bearing on a motor rotor. The device comprises a working frame and the rotor with a rotating shaft. The working frame is composed of a radial adjusting rod and axial adjusting rods, wherein the radial adjusting rod is perpendicular to the axial adjusting rods. A positioning sleeve is axially arranged on the radial adjusting rod, the rotating shaft on the rotor can move in the positioning sleeve, and the internal diameter of the positioning sleeve is not smaller than that of the inner ring of the bearing and not larger than the external diameter of the inner ring of the bearing. An installing support capable of moving along the axial adjusting rods is arranged on the axial adjusting rods, a rotating shaft compressing mechanism is arranged on the installing support, and limiting mechanisms for limiting the installing support are arranged on the axial adjusting rods. After the bearing is placed at one end of the rotating shaft on the rotor, the end, containing the bearing, of the rotating shaft is aligned with the positioning sleeve, the inner ring of the bearing abuts against the positioning sleeve, the end, not containing the bearing, of the rotating shaft abuts against the rotating shaft compressing mechanism, and the rotating shaft is sleeved with the bearing through the rotating shaft compressing mechanism and the positioning sleeve in a relative mode. The device has the advantage of being high in working efficiency.
Description
Technical field
The utility model relates to erecting tools field, is specifically related to a kind of erecting device of motor rotor upper bearing (metal).
Background technology
Motor is mainly made up of rotor and stator that rotating shaft is housed, needs to install bearing in the rotating shaft of rotor; The installation method of rotating shaft upper bearing (metal) is at present: by the outer end of bearing holder (housing, cover) rotating shaft on rotor, then beat symmetrically the bearing inner race of the bearing contacting with rotating shaft with the instrument such as adz-eye hammer, copper rod, until bearing is sleeved in the rotating shaft of rotor completely.The shortcoming of this installation method is: labor strength is large, and installation effectiveness is low, and can not guarantee effect while manually beaing in the same size in the dynamics at the each position of bearing inner race, and then it is bad easily to make bearing inner race be struck due to discontinuity.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, easy to operate, can rapidly bearing be installed on to the erecting device of a kind of motor rotor upper bearing (metal) in rotating shaft.
For achieving the above object, the utility model has adopted following technical scheme: the erecting device of described a kind of motor rotor upper bearing (metal), comprise: falsework with the rotor of rotating shaft is housed, falsework is made up of to adjusting rod and axial adjustment bar mutual vertical diameter, on radiai adjustment bar, be axially provided with abutment sleeve, epitrochanterian rotating shaft can be moved in abutment sleeve, the internal diameter of abutment sleeve be not less than the bearing inner race of bearing internal diameter, be not more than the external diameter of the bearing inner race of bearing; On axial adjustment bar, be provided with the mounting bracket that adjusting rod moves vertically, on mounting bracket, be provided with rotating shaft hold-down mechanism, on axial adjustment bar, be also provided with the position-limit mechanism in order to limit mounting support; When place after bearing one end of rotating shaft on rotor, make the one end that is placed with bearing in rotating shaft aim at abutment sleeve and the bearing inner race of bearing is against on abutment sleeve, the one end that is not placed with bearing in rotating shaft is against on rotating shaft hold-down mechanism, and rotating shaft hold-down mechanism is relative shape with abutment sleeve bearing holder (housing, cover) is contained in rotating shaft.
Further, the erecting device of aforesaid a kind of motor rotor upper bearing (metal), wherein: falsework is made up of a radiai adjustment bar and two axial adjustment bars, abutment sleeve is arranged on two radiai adjustment bars between axial adjustment bar, on radiai adjustment bar, offer some locating holes, two axial adjustment bars are by fixing from different locating holes, thus the spacing between two axial adjustment bars of adjustment.
Further, the erecting device of aforesaid a kind of motor rotor upper bearing (metal), wherein: described rotating shaft hold-down mechanism is hydraulic jack.
Further, the erecting device of aforesaid a kind of motor rotor upper bearing (metal), wherein: the structure of described position-limit mechanism is: be movably installed in the fixed pin shaft on the axial adjustment bar in mounting bracket outside.
Further, the erecting device of aforesaid a kind of motor rotor upper bearing (metal), wherein: abutment sleeve is made up of the fixed muffle and the T shape quill of movable set on fixed muffle that are fixedly mounted on radiai adjustment bar; The small-bore cylindrical shell of T shape quill inserts after fixed muffle, the cascaded surface of T shape quill is just in time against on fixed muffle, epitrochanterian rotating shaft can be moved in the large aperture cylindrical shell of T shape quill, and the internal diameter of the large aperture cylindrical shell of described T shape quill is not less than the internal diameter of the bearing inner race of bearing, is not more than the external diameter of the bearing inner race of bearing.
Further, the erecting device of aforesaid a kind of motor rotor upper bearing (metal), wherein: every axial adjustment bar is made up of two sections of adjusting rods, on every section of adjusting rod, offer respectively some locating holes, after the locating hole of two sections of adjusting rods is superimposed, removable pin through two superimposed locating holes, makes two sections of adjusting rods be fixed into an axial adjustment bar simultaneously.
By the enforcement of technique scheme, the utlity model has simple in structurely, easy to operate, can rapidly bearing be installed on to the advantage in rotating shaft.
Brief description of the drawings
Fig. 1 is the structural representation of the erecting device of a kind of motor rotor upper bearing (metal) described in the utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the erecting device of described a kind of motor rotor upper bearing (metal), comprise: falsework with the rotor 2 of rotating shaft 1 is housed, falsework is made up of with axial adjustment bar 4 orthogonal radiai adjustment bar 3, on radiai adjustment bar 3, be axially provided with abutment sleeve, rotating shaft 1 on rotor 2 can be moved in abutment sleeve, the internal diameter of abutment sleeve be not less than the bearing inner race 6 of bearing internal diameter, be not more than the external diameter of the bearing inner race 6 of bearing, on axial adjustment bar 4, be provided with the mounting bracket 7 that adjusting rod 4 moves vertically, on mounting bracket 7, be provided with rotating shaft hold-down mechanism 8, on axial adjustment bar 4, be also provided with the position-limit mechanism in order to limit mounting support 7, when place after bearing one end of rotating shaft 1 on rotor 2, the one end that is placed with bearing in rotating shaft 1 is aimed to abutment sleeve and the bearing inner race 6 of bearing is against on abutment sleeve, and the one end that is not placed with bearing in rotating shaft 1 is against on rotating shaft hold-down mechanism 8, rotating shaft hold-down mechanism 8 is relative shape with abutment sleeve bearing holder (housing, cover) is contained in rotating shaft 1, in the present embodiment, falsework is made up of a radiai adjustment bar 3 and two axial adjustment bars 4, abutment sleeve is arranged on two radiai adjustment bars 3 between axial adjustment bar 4, on radiai adjustment bar 3, offer some the first locating holes 9, two axial adjustment bars 4 are by fixing from the first different locating holes 9, thereby adjust the spacing between two axial adjustment bars 4, so not only can make rotating shaft hold-down mechanism 8 and abutment sleeve 5 more stably bearing holder (housing, cover) is contained in rotating shaft 1, and can adapt to by adjusting two spacing between axial adjustment bar 4 size of different rotor 2, improve the equipment scope of application, in the present embodiment, described rotating shaft hold-down mechanism 8 is hydraulic jack, and this rotating shaft hold-down mechanism is simple in structure, easy for installation, in the present embodiment, the structure of described position-limit mechanism is: be included in some the second locating holes 91 and fixed pin shafts 10 on axial adjustment bar 4, offered, fixed pin shaft 10 is inserted in that second locating hole 91 in mounting bracket 7 outsides is interior to carry out spacing to mounting bracket 7, this position-limit mechanism is simple in structure, easy to operate, in the present embodiment, abutment sleeve is made up of the fixed muffle 51 and the T shape quill 52 of movable set on fixed muffle 51 that are fixedly mounted on radiai adjustment bar 3, the small-bore cylindrical shell of T shape quill 52 inserts after fixed muffle 51, the cascaded surface of T shape quill 52 is just in time against on fixed muffle 51, rotating shaft 1 on rotor 2 can be moved in the large aperture cylindrical shell of T shape quill 52, the internal diameter of the large aperture cylindrical shell of T shape quill 52 is not less than the internal diameter of the bearing inner race 6 of bearing, be not more than the external diameter of the bearing inner race 6 of bearing, during like this for the bearing of different bearing inner race 6 internal diameters, only need to change T shape quill 52, needn't change whole abutment sleeve, not only easy to operate, improve operating efficiency, and greatly reduce enterprise's production cost, in the present embodiment, every axial adjustment bar 4 is made up of two sections of adjusting rods, on every section of adjusting rod, offer respectively some the second locating holes 91, after the second locating hole 91 of two sections of adjusting rods is superimposed, removable pin 11 is simultaneously through two the second superimposed locating holes 91, two sections of adjusting rods are fixed, can adjust more easily like this distance between abutment sleeve and rotating shaft hold-down mechanism 8.
Operation principle of the present utility model is as follows: first adjust the spacing between two axial adjustment bars 4 according to the size of rotor 2, then again according to the size of bearing middle (center) bearing inner ring 6 to be processed, select the T shape quill 52 identical with bearing inner race 6 internal diameters, and T shape quill 52 is enclosed within on fixed muffle 51; And then move mounting bracket 7 according to the axial length of rotating shaft 1, when after the spacing of adjusting between hydraulic jack and T shape quill 52, bearing pin 10 is then locked on second locating hole 91 in mounting bracket 7 outsides; Then the outer end in rotating shaft 1 one sides by bearing holder (housing, cover), rotor with rotating shaft 12 and bearing are placed between rotating shaft hold-down mechanism 8 and T shape quill 52 together, make the one end that is placed with bearing in rotating shaft 1 aim at T shape quill 52 and the bearing inner race 6 of bearing is against on T shape quill 52, the one end that is not placed with bearing in rotating shaft 1 is against in hydraulic jack; Then start hydraulic jack, hydraulic jack acts on active force on T shape quill 52 by rotating shaft 1 and bearing inner race 6 successively, now hydraulic jack withstands on and under reaction force acts, mounting bracket 7 is moved to be backward against on fixed pin shaft 10, and the reaction force that T shape quill 52 produces simultaneously can act on the bearing inner race 6 of bearing; Along with the continuation of hydraulic jack compresses, hydraulic jack heads into rotating shaft 1 in the large-diameter cylinder body of T shape quill 52, make bearing be enclosed within rotating shaft 1 under the reaction effect of T shape quill 52 simultaneously, until bearing is sleeved on the action that stops hydraulic jack after rotating shaft 1 completely, by aforesaid operations, complete the installation of motor rotor upper bearing (metal).
Claims (6)
1. the erecting device of a motor rotor upper bearing (metal), comprise: falsework with the rotor of rotating shaft is housed, it is characterized in that: falsework is made up of to adjusting rod and axial adjustment bar mutual vertical diameter, on radiai adjustment bar, be axially provided with abutment sleeve, epitrochanterian rotating shaft can be moved in abutment sleeve, the internal diameter of abutment sleeve be not less than the bearing inner race of bearing internal diameter, be not more than the external diameter of the bearing inner race of bearing; On axial adjustment bar, be provided with the mounting bracket that adjusting rod moves vertically, on mounting bracket, be provided with rotating shaft hold-down mechanism, on axial adjustment bar, be also provided with the position-limit mechanism in order to limit mounting support; When place after bearing one end of rotating shaft on rotor, make the one end that is placed with bearing in rotating shaft aim at abutment sleeve and the bearing inner race of bearing is against on abutment sleeve, and the one end that is not placed with bearing in rotating shaft is against on rotating shaft hold-down mechanism, rotating shaft hold-down mechanism is relative shape with abutment sleeve bearing holder (housing, cover) is contained in rotating shaft.
2. the erecting device of a kind of motor rotor upper bearing (metal) according to claim 1, it is characterized in that: falsework is made up of a radiai adjustment bar and two axial adjustment bars, abutment sleeve is arranged on two radiai adjustment bars between axial adjustment bar, on radiai adjustment bar, offer some locating holes, two axial adjustment bars are by fixing from different locating holes, thus the spacing between two axial adjustment bars of adjustment.
3. the erecting device of a kind of motor rotor upper bearing (metal) according to claim 1, is characterized in that: described rotating shaft hold-down mechanism is hydraulic jack.
4. the erecting device of a kind of motor rotor upper bearing (metal) according to claim 1, is characterized in that: the structure of described position-limit mechanism is: be movably installed in the fixed pin shaft on the axial adjustment bar in mounting bracket outside.
5. the erecting device of a kind of motor rotor upper bearing (metal) according to claim 1 and 2, is characterized in that: abutment sleeve is made up of the fixed muffle and the T shape quill of movable set on fixed muffle that are fixedly mounted on radiai adjustment bar; The small-bore cylindrical shell of T shape quill inserts after fixed muffle, the cascaded surface of T shape quill is just in time against on fixed muffle, epitrochanterian rotating shaft can be moved in the large aperture cylindrical shell of T shape quill, and the internal diameter of the large aperture cylindrical shell of described T shape quill is not less than the internal diameter of the bearing inner race of bearing, is not more than the external diameter of the bearing inner race of bearing.
6. the erecting device of a kind of motor rotor upper bearing (metal) according to claim 1 and 2, it is characterized in that: every axial adjustment bar is made up of two sections of adjusting rods, on every section of adjusting rod, offer respectively some locating holes, after the locating hole of two sections of adjusting rods is superimposed, removable pin through two superimposed locating holes, makes two sections of adjusting rods be fixed into an axial adjustment bar simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283026.7U CN203900844U (en) | 2014-05-30 | 2014-05-30 | Device for installing bearing on motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283026.7U CN203900844U (en) | 2014-05-30 | 2014-05-30 | Device for installing bearing on motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203900844U true CN203900844U (en) | 2014-10-29 |
Family
ID=51775135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420283026.7U Withdrawn - After Issue CN203900844U (en) | 2014-05-30 | 2014-05-30 | Device for installing bearing on motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203900844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057286A (en) * | 2014-05-30 | 2014-09-24 | 江苏永钢集团有限公司 | Mounting device for upper bearing of motor rotor |
-
2014
- 2014-05-30 CN CN201420283026.7U patent/CN203900844U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057286A (en) * | 2014-05-30 | 2014-09-24 | 江苏永钢集团有限公司 | Mounting device for upper bearing of motor rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20161005 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |