CN204013140U - A kind of bracing or strutting arrangement for motor bearings protection - Google Patents
A kind of bracing or strutting arrangement for motor bearings protection Download PDFInfo
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- CN204013140U CN204013140U CN201420373845.0U CN201420373845U CN204013140U CN 204013140 U CN204013140 U CN 204013140U CN 201420373845 U CN201420373845 U CN 201420373845U CN 204013140 U CN204013140 U CN 204013140U
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Abstract
The utility model discloses a kind of bracing or strutting arrangement for motor bearings protection, for transporting the bearing protection of the motor of erecting bed to, belong to protective device for transporting electrical machine.Comprise drive end bearing protective device and non-driven-end bearing protective device.The utility model arranges respectively drive end bearing protective device and non-driven-end bearing protective device at drive end, the anti-drive end of machine shaft; by drive end bearing protective device and non-driven-end bearing protective device are set at rotating shaft two ends; can be effectively that rotating shaft is unsettled; rotating shaft is not being rotated or for a long time when transporting erecting bed to; active force between rotating shaft and bearing reduces, and avoids active force between rotating shaft and bearing to cause the damage of bearing.
Description
Technical field
A bracing or strutting arrangement for motor bearings protection, for transporting the bearing protection of the motor of erecting bed to, belongs to protective device for transporting electrical machine.
Background technology
Motor mainly comprises the parts such as stator, rotating shaft, end cap, bearing, and the effect of motor bearings is mainly the support realizing machine shaft Static and dynamic, be guarantee that motor is efficient, one of the critical component of stable operation.In order effectively to improve the service life of motor, the configuration of bearing generally adopts drive end bearing to fix, and non-driven-end bearing can move about.And for the motor not rotating for a long time, bearing roller remains static for a long time, very little with lasso track contact area, the gravity of rotating shaft and other impulsive forces cause bearing roller to bear larger compression; For in transporting the motor of erecting bed to, under road jolts the impact of vibration, emergency brake, can make motor bearings rolling element and lasso track impaired, cause motor normally not move, therefore, need to protect bearing.
Application number is the protective device for transporting electrical machine that 201210086473.9 patent of invention discloses a kind of anti-radial-play, be mainly used in avoiding motor to be damaged in transportation, the base anchor, machine shaft, the transport base that comprise electric machine stand, the base anchor of electric machine stand is fixedly connected with transport base bolt, the one or both ends of machine shaft compress with belt or rope, two of belt or rope is fixedly connected on transport base, and belt or rope are down " V " type tensioning shape.By machine shaft end is pressed abd fixed on transport base with belt or rope; can prevent to a certain extent the radial vibration of transportation rotor; but this kind of device is just in the vibration that has radially prevented rotor; the weight of rotor is all acted on bearing, axially and circumferential effective fixed rotor, and this kind of device belt and rope elasticity larger; if colligation is excessively loose; do not shield, if colligation tension has destruction on the contrary to bearing.And in this invention, only considered motor bearing damage that radially vibrations produce because of rotor in transportation, do not consider that when motor is placed for a long time, because the contact area of motor and bearing is very little, the gravity of rotor and other impulsive forces cause bearing roller to bear compared with large compression and damage.
Summary of the invention
For overcoming the problems referred to above, the purpose of this utility model is to provide a kind of bracing or strutting arrangement for motor bearings protection.
For achieving the above object, the technical solution of the utility model is:
A bracing or strutting arrangement for motor bearings protection, comprises drive end bearing protective device, it is characterized in that: also comprise non-driven-end bearing protective device.
Further, drive end bearing protective device comprises bolt I, π shape steel plate support and bolt II, π shape steel plate support by bolt I, bolt II respectively with the corresponding connection of end cap, machine shaft of motor.
Further, π shape steel plate support is two, two π shape steel plate support vertical settings mutually, two all corresponding connections of end cap, machine shaft with motor by bolt I, bolt II of π shape steel plate support.
Further, non-driven-end bearing protective device comprises support, is positioned at supporting plate, bolt IV and the bolt III of support top, and support is fixedly installed in by bolt III on the bearing end cover of motor, and support is connected with supporting plate by bolt IV.
Further, supporting plate offers the groove corresponding with the external cylindrical surface of machine shaft, is provided with rubber blanket in groove.
The beneficial effects of the utility model are:
1, the utility model arranges respectively drive end bearing protective device and non-driven-end bearing protective device at drive end, the anti-drive end of rotor; by drive end bearing protective device and non-driven-end bearing protective device are set in two ends of rotor; can be effectively that rotor is unsettled; rotor is not being rotated or for a long time when transporting erecting bed to; active force between rotor and bearing reduces, and avoids active force between rotor and bearing to cause the damage of bearing.
2, in drive end bearing protective device, π shape steel plate support is fixedly installed on end cap by the top wire hole of bolt I, end cap, machine shaft is fixedly connected with π shape steel plate support by the lifting eye of bolt II, rotating shaft, machine shaft is fixed on end cap by π shape steel plate support, can carry out circumferential and axial to rotor fixes, machine shaft is partly transferred to π shape steel plate support to the active force of bearing, machine shaft reduces the active force of bearing, reduces the damage of machine shaft to bearing; The support device structure of this drive end is simple, easy to operate, and places for a long time or transport in the process of erecting bed at motor, and machine shaft is almost constant to the active force of bearing, can effectively improve the useful life of bearing.
3, π shape steel plate support is two, and vertical setting, has improved machine shaft and be fixed on the reliability on end cap by π shape steel plate support mutually.
4, in non-driven-end bearing protective device, because drive end bearing has adopted fixedly protection setting, thereby without the rotor of anti-drive end is fixedly mounted, only need supporting plate to be fixedly installed on bearing end cover by support, rotor anti-drive end is placed on supporting plate, by adjusting bolt IV, can control the height of supporting plate, thereby realize the adjusting of the active force of rotor and non-driven-end bearing, rotor is transferred on supporting plate the active force of non-driven-end bearing, machine shaft reduces the active force of bearing, reduce the damage of machine shaft to bearing, anti-drive end bracing or strutting arrangement reasonably utilizes the fixation of drive end bracing or strutting arrangement to the axial and circumferential of rotor, only rotor is radially fixed, without countershaft, carry out any other processing, that non-driven-end bearing protective device takes up room is very little, cost is low, simple to operate, only need be by tightening a carrying bolt, just can realize the installation to supporting plate, effectively realize the protection to non-driven-end bearing.
5, supporting plate offers the groove corresponding with the external cylindrical surface of machine shaft, and groove has increased the contact area between supporting plate and rotor, and frictional force between the two increases; In groove, be provided with rubber blanket, avoid hard contact the between supporting plate and rotor, can effectively protect rotor and bearing.
Accompanying drawing explanation
Fig. 1 is the utility model drive end bearing protective device assembling schematic diagram;
Fig. 2 is the utility model non-driven-end bearing protective device assembling schematic diagram;
Fig. 3 is the utility model non-driven-end bearing protective device structural representation;
Fig. 4 is the cutaway view of π shape steel plate in the utility model;
Wherein, Reference numeral is: 1-bolt I, 2-π shape steel plate support, 3-bolt II, 4-rotating shaft, 5-end cap, 6-rubber blanket, 7-supporting plate, 8-support, 9-bolt IV, 10-bolt III, 11-bearing end cover.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Embodiment mono-
As shown in the figure, a kind of bracing or strutting arrangement for motor bearings protection, is mainly used in transporting to the bearing protection of the motor of erecting bed.This bracing or strutting arrangement comprises drive end bearing protective device and non-driven-end bearing protective device.Drive end bearing protective device comprises bolt I1, π shape steel plate support 2 and bolt II3; what π shape steel plate support 2 referred to steel plate is shaped as π shape structure; π shape steel plate support 2 middle parts and two ends all offer through hole; wherein the aperture of the through hole at middle part and the through hole of two ends is inconsistent, to be applicable to the bolt of different size.2 two ends of π shape steel plate support are connected with end cap 5 by the top wire hole of bolt I1, end cap 5, and π shape steel plate support 2 middle parts are connected with rotating shaft 4 by the lifting screwed hole of bolt II3, rotating shaft 4.π shape steel plate support 2 is fixedly connected on end cap 5, π shape steel plate support 2 is connected with rotating shaft 4, rotating shaft 4 is fixedly installed on end cap 5 by π shape steel plate support 2, energy countershaft 4 carries out circumferential and axial to be fixed, the active force of 4 pairs of bearings of rotating shaft is partly transferred to π shape steel plate support 2, the active force of 2 pairs of bearings of rotating shaft reduces, and reduces the damage of rotating shaft to bearing; Non-driven-end bearing protective device comprises support 8 and supporting plate 7; supporting plate 7 is positioned at support 8 tops; support 8 two ends are along being parallel to the through hole that shaft axis direction offers two horizontal directions; two bolt III10 are fixedly mounted on support 8 on bearing end cover 11 through the through hole of two horizontal directions on support 8, and wherein on bearing end cover 11, bearing chamber will be avoided in the position of the screwed hole corresponding with bolt III10.Support 8 middle parts offer the through hole of vertical direction perpendicular to the direction of the two through hole along shaft axis direction, bolt IV9 upwards screws in from the lower end edge vertical direction of support 8 in the through hole of vertical direction of support 8 until expose a part from the upper end of support 8.Bolt IV9 upper end is connected with the supporting plate 7 that is positioned at support 8 tops, position that can up-down adjustment supporting plate 7 by bolt IV9.On the surface that this supporting plate 7 contacts with rotating shaft 4, offer circular groove, the external cylindrical surface of this circular groove and rotating shaft 4 is suitable, rotating shaft 4 is placed in the circular groove of supporting plate 7, and this circular groove also can change to V-shaped groove, and rotating shaft 4 is placed in the V-shaped groove of supporting plate 7.The circular groove of supporting plate 7 or V-shaped groove are provided with rubber blanket 6, and these rubber blanket 6 use glue are bonded on the circular groove or V-shaped groove of supporting plate 7.Supporting plate 7 is fixedly installed on bearing end cover 11 by support 8, the anti-drive end of rotating shaft 4 is placed on supporting plate 7, by adjusting bolt IV9, can control the height of supporting plate 7, thereby realize the adjusting of rotating shaft 4 and the active force of non-driven-end bearing, the active force of 4 pairs of non-driven-end bearings of rotating shaft is transferred on supporting plate 7, the active force of 4 pairs of bearings of machine shaft reduces, and reduces the damage of 4 pairs of bearings of rotating shaft; Anti-drive end bracing or strutting arrangement reasonably utilizes the fixation of the axial and circumferential of drive end bracing or strutting arrangement countershaft 4; countershaft 4 is radially fixed; without countershaft, carry out any other processing; that non-driven-end bearing protective device takes up room is very little, cost is low, simple to operate; only need be by tightening a carrying bolt; just can realize the installation to supporting plate, effectively realize the protection to non-driven-end bearing.
Embodiment bis-
On the basis of embodiment mono-, π shape steel plate support 2 is set to two, two π shape steel plate support 2 vertical settings mutually, the through hole of two ends by two π shape steel plate supports 2 is fixed on π shape steel plate support 2 on end cap 5, and two π shape steel plate supports 2 are connected with rotating shaft 4 by the through hole at its middle part.
π shape steel plate support 2 is made as two, and vertical setting mutually, and be all connected and fixed with end cap 5, rotating shaft 4, compare with a π shape steel plate support 2, improve the reliability that machine shaft is fixedly installed on end cap 5 by π shape steel plate support 2, reduced the damage of the bearing that π shape steel plate support 2 causes because of the strain of self.
Embodiment tri-
The present embodiment is on the basis of embodiment mono-, and π shape steel plate support 2 is made as to three,, mutually with 60 ° of angles, distribution is set.Three π shape steel plate supports 2 are fixed on π shape steel plate support 2 on end cap 5 by the through hole of end, and three π shape steel plate supports 2 are connected with rotating shaft 4 by the through hole at its middle part.
π shape steel plate support 2 is made as three, and adjacent two with 60 ° of settings of angle, three π shape steel plate supports 2 are all connected and fixed with end cap 5, rotating shaft 4, compare with one or two π shape steel plate supports 2, improve the reliability that machine shaft is fixedly installed on end cap 5 by π shape steel plate support 2, reduced the damage of the bearing that π shape steel plate support 2 causes because of the strain of self.
Claims (3)
1. the bracing or strutting arrangement for motor bearings protection, comprise drive end bearing protective device, it is characterized in that: also comprise non-driven-end bearing protective device, described drive end bearing protective device comprises bolt I(1), π shape steel plate support (2) and bolt II(3), π shape steel plate support (2) is by bolt I(1), bolt II(3) respectively with end cap (5), the corresponding connection of machine shaft (4) of motor; Described non-driven-end bearing protective device comprises support (8), is positioned at supporting plate (7), the bolt IV(9 of support (8) top) and bolt III(10); support (8) is by bolt III(10) be fixedly installed on the bearing end cover (11) of motor, support (8) is by bolt IV(9) be connected with supporting plate (7).
2. a kind of bracing or strutting arrangement for motor bearings protection as claimed in claim 1; it is characterized in that: π shape steel plate support (2) is two; two π shape steel plates (2) are vertical setting mutually, and two π shape steel plate supports (2) are all by bolt I(1), bolt II(3) with end cap (5), the corresponding connection of machine shaft (4) of motor.
3. a kind of bracing or strutting arrangement for motor bearings protection as claimed in claim 1, is characterized in that: supporting plate (7) offers the groove corresponding with the external cylindrical surface of machine shaft (4), is provided with rubber blanket (6) in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373845.0U CN204013140U (en) | 2014-07-08 | 2014-07-08 | A kind of bracing or strutting arrangement for motor bearings protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373845.0U CN204013140U (en) | 2014-07-08 | 2014-07-08 | A kind of bracing or strutting arrangement for motor bearings protection |
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| CN204013140U true CN204013140U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420373845.0U Active CN204013140U (en) | 2014-07-08 | 2014-07-08 | A kind of bracing or strutting arrangement for motor bearings protection |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967249A (en) * | 2015-07-21 | 2015-10-07 | 南车株洲电机有限公司 | Traction motor transport protection device and traction motor transport protection method |
| CN107355410A (en) * | 2017-07-06 | 2017-11-17 | 沈阳透平机械股份有限公司 | A kind of compressor drum fastening system |
| CN108438507A (en) * | 2018-05-17 | 2018-08-24 | 哈尔滨电气动力装备有限公司 | Motor slip bearing protects watt device |
| CN108502327A (en) * | 2018-04-24 | 2018-09-07 | 南京海传燕兰轨道交通科技有限公司 | A kind of squirrel-cage motor rotator storage transfer carriage |
| CN112722544A (en) * | 2020-12-25 | 2021-04-30 | 中车永济电机有限公司 | A conveyer for joining in marriage locomotive traction motor of dress gear box |
-
2014
- 2014-07-08 CN CN201420373845.0U patent/CN204013140U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967249A (en) * | 2015-07-21 | 2015-10-07 | 南车株洲电机有限公司 | Traction motor transport protection device and traction motor transport protection method |
| CN104967249B (en) * | 2015-07-21 | 2017-12-01 | 南车株洲电机有限公司 | Traction electric machine transport protection device and traction electric machine transport protection method |
| CN107355410A (en) * | 2017-07-06 | 2017-11-17 | 沈阳透平机械股份有限公司 | A kind of compressor drum fastening system |
| CN107355410B (en) * | 2017-07-06 | 2020-06-23 | 沈阳透平机械股份有限公司 | Compressor rotor locking system |
| CN108502327A (en) * | 2018-04-24 | 2018-09-07 | 南京海传燕兰轨道交通科技有限公司 | A kind of squirrel-cage motor rotator storage transfer carriage |
| CN108438507A (en) * | 2018-05-17 | 2018-08-24 | 哈尔滨电气动力装备有限公司 | Motor slip bearing protects watt device |
| CN112722544A (en) * | 2020-12-25 | 2021-04-30 | 中车永济电机有限公司 | A conveyer for joining in marriage locomotive traction motor of dress gear box |
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