CN108566017A - A kind of motor effectivelying prevent shaft current ablation bearing - Google Patents
A kind of motor effectivelying prevent shaft current ablation bearing Download PDFInfo
- Publication number
- CN108566017A CN108566017A CN201810701885.6A CN201810701885A CN108566017A CN 108566017 A CN108566017 A CN 108566017A CN 201810701885 A CN201810701885 A CN 201810701885A CN 108566017 A CN108566017 A CN 108566017A
- Authority
- CN
- China
- Prior art keywords
- labyrinth
- stator
- annular
- rotor
- bearing
- 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
Links
- 238000002679 ablation Methods 0.000 title claims abstract description 19
- 244000185238 Lophostemon confertus Species 0.000 claims abstract description 38
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000007769 metal material Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000004519 grease Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/0094—Structural association with other electrical or electronic devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Abstract
The invention discloses a kind of motors effectivelying prevent shaft current ablation bearing,Including stator module,Rotor assembly,Casing,Shaft,Drive end bearing bracket and rear end cap,Stator assembly and rotor assembly it is mounted in casing,It is respectively equipped with bearing chamber on drive end bearing bracket and rear end cap,Bearing is installed in bearing chamber,Rotating shaft support is on bearing,Sealing structure is equipped between shaft and the end face of drive end bearing bracket,Sealing structure includes labyrinth rotor and labyrinth stator,Labyrinth stator is mounted on drive end bearing bracket,Labyrinth rotor is mounted in shaft,Labyrinth rotor is metal material,Labyrinth stator is equipped with shaft current and prevents structure,It includes brush box that shaft current, which prevents structure,,Carbon brush and spring,Spring and carbon brush are arranged in brush box,One end of spring withstands on the inner wall of brush box,The other end of spring withstands on one end of carbon brush,The other end of carbon brush stretches out brush box and is contacted with labyrinth rotor,Brush box is mounted on the stator of labyrinth,Shaft current export is avoided into bearing damage respectively by carbon brush and brush box,Extend electrical machinery life.
Description
Technical field：
The present invention relates to a kind of motors effectivelying prevent shaft current ablation bearing.
Background technology：
New energy motor includes stator module, rotor assembly, casing, shaft, drive end bearing bracket and rear end cap, stator module at present
It is mounted in casing with rotor assembly, drive end bearing bracket and rear end cap are set respectively on the both ends of casing, drive end bearing bracket and rear end cap
There is bearing chamber, bearing is installed in the bearing chamber, for rotating shaft support on bearing, the drive end bearing bracket stretches hole, shaft equipped with axis
One end stretch hole from the axis of drive end bearing bracket and stretch out to form axle stretch end, sealing structure is equipped between the shaft and the end face of drive end bearing bracket,
Sealing structure includes labyrinth rotor and labyrinth stator, and the labyrinth stator is mounted on drive end bearing bracket, and labyrinth rotor is mounted on shaft
On, when paddling or splashing, the sealing effect of motor is can effectively improve, in addition, motor is inverter supply, motor is easy
Shaft voltage is generated, causes the electric ablation of bearing to damage to generate shaft current, causes electrical machinery life short.
Invention content：
The object of the present invention is to provide a kind of motors effectivelying prevent shaft current ablation bearing, it has preferable leakproofness
And shaft current can be effectively eliminated, the electric ablation for causing bearing is avoided, the technical problem that electrical machinery life is short is caused.
The purpose of the present invention is what is be achieved by following technical proposals.
A kind of motor effectivelying prevent shaft current ablation bearing, including stator module, rotor assembly, casing, shaft, front end
Lid and rear end cap are stator assembly and rotor assembly mounted in casing, and drive end bearing bracket and rear end cap are mounted on the both ends of casing, front end
It is respectively equipped with bearing chamber on lid and rear end cap, bearing is installed, rotating shaft support is on bearing, the drive end bearing bracket in the bearing chamber
Hole is stretched equipped with axis, one end of shaft stretches hole from the axis of drive end bearing bracket and stretches out to form axle stretch end, the end face of the shaft and drive end bearing bracket
Between be equipped with sealing structure, sealing structure includes labyrinth rotor and labyrinth stator, and the labyrinth stator is mounted on drive end bearing bracket, fan
Palace rotor is mounted in shaft, and the labyrinth rotor is metal material, and the labyrinth stator is equipped with shaft current and prevents structure, institute
It includes brush box, carbon brush and spring to state shaft current to prevent structure, and the spring and carbon brush are arranged in brush box, and one end of spring is withstood on
The other end of the inner wall of brush box, spring withstands on one end of carbon brush, and the other end of carbon brush stretches out brush box and contacted with labyrinth rotor, described
Brush box is mounted on the stator of labyrinth, and shaft current export is avoided bearing damage respectively by carbon brush and brush box.
Shaft is equipped with a step, and labyrinth rotor bearing is on step.
The labyrinth rotor include top plate and positioned at the bottom surface of top plate protrude above it is several be spaced apart annular lug, it is described
Form the first groove between each two annular lug, the labyrinth stator includes bottom plate and the top surface from bottom plate protrude above it is several
The annular convex platform being spaced apart forms the second groove between each two annular convex platform, and the annular lug is stretched into second
In groove, the annular convex platform stretches into the first groove, and the edge of the top plate is equipped with annular outer ring, the annular outer ring it
Between form a cavity.
Expansion sleeve is arranged in the shaft, expansion sleeve is inserted in the cavity of labyrinth rotor, if annular outer ring is equipped with
Dry the first mounting hole, the first mounting hole is passed through between the first mounting hole and expansion sleeve of the annular outer ring by lock-screw
By labyrinth rotor and tensioner cover locking, when shaft rotates, labyrinth rotor also follows shaft to rotate together.
The sealing structure further includes water bar, and water bar includes annular bottom plate and up prolongs on the inside of annular bottom plate
An annular slab is stretched out, the annular bottom plate is mounted on the top surface of labyrinth stator, and annular slab is sleeved on labyrinth rotor periphery, the ring
The side of shape plate is equipped with through-hole, and the through-hole is correspondingly arranged with brush box, and the carbon brush in brush box passes through through-hole and labyrinth rotor
Shaft current export is avoided bearing damage by contact.
The other side of the annular slab is equipped with weeper, and the weeper is correspondingly arranged with through-hole.
The top of the annular slab is equipped with an annular flange, when water bar is mounted on the stator of labyrinth, the ring
Shape flange shelters from the annular outer ring of labyrinth rotor.
The axis of the shaft and drive end bearing bracket is equipped with outside framework oil seal between stretching hole, and the outside framework oil seal is located at the axis of drive end bearing bracket
It holds between room and labyrinth stator, forms an accommodating chamber between the outside framework oil seal and labyrinth stator, grease is filled in accommodating chamber.
By screw lock between the labyrinth stator and drive end bearing bracket, the bottom plate of the labyrinth stator be equipped with several the
Two mounting holes, the drive end bearing bracket are equipped with third mounting hole corresponding with the second mounting hole, by the second mounting hole of screw precession and
Third mounting hole makes labyrinth stator be locked on drive end bearing bracket.
The 4th mounting hole is equipped with by screw lock, the labyrinth stator between the labyrinth stator and water bar,
The water bar is equipped with the 5th mounting hole corresponding with the 4th mounting hole, and the 4th mounting hole of screw precession and the 5th are installed
Hole makes water bar be locked on the stator of labyrinth.
Compared with prior art, the present invention having the following effects that：
1) present invention includes stator module, rotor assembly, casing, shaft, drive end bearing bracket and rear end cap, the shaft and front end
Sealing structure is equipped between the end face of lid, sealing structure includes labyrinth rotor and labyrinth stator, before the labyrinth stator is mounted on
On end cap, labyrinth rotor is mounted in shaft, and the labyrinth rotor is metal material, and it is pre- that the labyrinth stator is equipped with shaft current
Anti- structure, it includes brush box, carbon brush and spring that the shaft current, which prevents structure, and the spring and carbon brush are arranged in brush box, spring
One end withstand on the inner wall of brush box, the other end of spring withstands on one end of carbon brush, and the other end of carbon brush stretches out brush box and turns with labyrinth
Son contact, the brush box are mounted on the stator of labyrinth, and shaft current export is avoided bearing damage respectively by carbon brush and brush box, is prolonged
Long electrical machinery life；
2) the labyrinth rotor includes top plate and several is spaced apart annular lug, institute positioned at what the bottom surface of top plate protruded above
It states and forms the first groove between each two annular lug, protruded above if the labyrinth stator includes bottom plate and the top surface from bottom plate
The dry annular convex platform being spaced apart forms the second groove between each two annular convex platform, and the annular lug is stretched into
In two grooves, the annular convex platform stretches into the first groove, and the edge of the top plate is equipped with annular outer ring, the annular outer ring
Between form a cavity, sealing effect is good, and water is effectively prevent to be immersed in inside motor；
3) sealing structure further includes water bar, water bar include annular bottom plate and on the inside of annular bottom plate up
Extend an annular slab, the annular bottom plate is mounted on the top surface of labyrinth stator, and annular slab is sleeved on labyrinth rotor periphery, described
The side of annular slab is equipped with through-hole, and the through-hole is correspondingly arranged with brush box, and the carbon brush in brush box passes through through-hole to turn with labyrinth
Shaft current export is avoided bearing damage, sealing effect good, moreover it is possible to can effectively eliminate shaft current by son contact；
4) other side of annular slab is equipped with weeper, and the weeper is correspondingly arranged with through-hole, can by weeper
The ponding in water bar to be discharged；
5) axis of shaft and drive end bearing bracket is equipped with outside framework oil seal between stretching hole, and the outside framework oil seal is located at the bearing of drive end bearing bracket
Between room and labyrinth stator, an accommodating chamber is formed between the outside framework oil seal and labyrinth stator, grease is filled in accommodating chamber, is sealed
Effect is good；
6) top of the annular slab is equipped with an annular flange, described when water bar is mounted on the stator of labyrinth
Annular flange shelters from the annular outer ring of labyrinth rotor, and sealing effect is good, and rainwater is effectively prevent to enter inside motor.
Description of the drawings：
Fig. 1 is the stereogram of the present invention；
Fig. 2 is the partial exploded view of the present invention；
Fig. 3 is the partial enlarged view of A in Fig. 2；
Fig. 4 is partial structural diagram；
Fig. 5 is the structural schematic diagram of water bar of the present invention；
Fig. 6 is the front view of the present invention；
Fig. 7 is the sectional view of B-B in Fig. 6；
Fig. 8 is the partial enlarged view of C in Fig. 7.
Specific implementation mode：
Below by specific embodiment and in conjunction with attached drawing, the present invention is described in further detail.
Embodiment one：As shown in Figures 1 to 8, the present embodiment is a kind of motor effectivelying prevent shaft current ablation bearing, packet
Stator module 1, rotor assembly 2, casing 3, shaft 4, drive end bearing bracket 5 and rear end cap 6 are included, stator module 1 and rotor assembly 2 are mounted on
In casing 3, drive end bearing bracket 5 and rear end cap 6 are mounted on the both ends of casing 3, be respectively equipped on drive end bearing bracket 5 and rear end cap 6 bearing chamber 51,
61, bearing 7 is installed in the bearing chamber 51,61, shaft 4 is supported on bearing 7, and the drive end bearing bracket 5 stretches hole 52 equipped with axis,
One end of shaft 4 stretches the stretching of hole 52 from the axis of drive end bearing bracket 5 and forms axle stretch end 41, is set between the shaft 4 and the end face of drive end bearing bracket 5
It includes labyrinth rotor 81 and labyrinth stator 82 to have sealing structure 8, sealing structure 8, and the labyrinth stator 82 is mounted on drive end bearing bracket 5
On, labyrinth rotor 81 is mounted in shaft 4, and the labyrinth rotor 81 is metal material, and the labyrinth stator 82 is equipped with axis electricity
Stream prevents structure 9, and it includes brush box 91, carbon brush 92 and spring 93 that the shaft current, which prevents structure 9, and the spring 93 and carbon brush 92 are set
It sets in brush box 91, one end of spring 93 withstands on the inner wall of brush box 91, and the other end of spring 93 withstands on one end of carbon brush 92, carbon brush
92 other end stretches out brush box 91 and is contacted with labyrinth rotor 81, and the brush box 91 is mounted on labyrinth stator 82, passes through carbon brush 92
Bearing 7 is avoided to damage shaft current export respectively with brush box 91.
Shaft 4 is equipped with a step 42, and labyrinth rotor 81 is supported on step 42.
The labyrinth rotor 81 includes top plate 811 and several is spaced apart annular positioned at what the bottom surface of top plate 811 protruded above
Convex block 812, forms the first groove 813 between each two annular lug 812, and the labyrinth stator 82 includes 821 He of bottom plate
Several annular convex platform 822 being spaced apart protruded above from the top surface of bottom plate 821, shape between each two annular convex platform 822
At the second groove 823, the annular lug 812 stretches into the second groove 823, and the annular convex platform 822 stretches into recessed first
In slot 813, the edge of the top plate 811 is equipped with annular outer ring 814, and a cavity 815 is formed between the annular outer ring 814.
Expansion sleeve 43 is arranged in the shaft 4, expansion sleeve 43 is inserted in the cavity 815 of labyrinth rotor 81, and annular is outer
Circle 814 is equipped with several first mounting holes 8141, between the first mounting hole 8141 and expansion sleeve 43 of the annular outer ring 814
Labyrinth rotor 81 and expansion sleeve 43 are locked across the first mounting hole 8141 by lock-screw 10, when shaft 4 rotates, labyrinth
Rotor 81 also follows shaft 4 to rotate together.
The sealing structure 8 further includes water bar 83, and water bar 83 includes annular bottom plate 831 and from annular bottom plate
An annular slab 832 is up extended in 831 insides, and the annular bottom plate 831 is mounted on the top surface of labyrinth stator 82, annular slab
832 are sleeved on 81 periphery of labyrinth rotor, and the side of the annular slab 832 is equipped with through-hole 8321, and the through-hole 8321 is with brush box 91
It is correspondingly arranged, the carbon brush 92 in brush box 91 is contacted across through-hole 8321 with labyrinth rotor 81, and shaft current export is avoided bearing 7
Damage.
The other side of the annular slab 832 is equipped with weeper 8322, and the weeper 8322 is corresponding set with through-hole 8321
It sets.
The top of the annular slab 832 is equipped with an annular flange 8323, when water bar 83 is mounted on labyrinth stator 82
When upper, the annular flange 8323 shelters from the annular outer ring 814 of labyrinth rotor 81.
The axis of the shaft 4 and drive end bearing bracket 5 is equipped with outside framework oil seal 101 between stretching hole 52, and the outside framework oil seal 101 is located at
Between the bearing chamber 51 and labyrinth stator 82 of drive end bearing bracket 5, an accommodating chamber is formed between the outside framework oil seal 101 and labyrinth stator 82
102,102 inner filling grease of accommodating chamber.
It is equipped with by screw lock, the bottom plate 821 of the labyrinth stator 82 between the labyrinth stator 82 and drive end bearing bracket 5
Several second mounting holes 8211, the drive end bearing bracket 5 is equipped with third mounting hole 53 corresponding with the second mounting hole 8211, by spiral shell
The second mounting hole of precession 8211 and third mounting hole 53 are followed closely, labyrinth stator 82 is made to be locked on drive end bearing bracket 5.
By screw lock between the labyrinth stator 82 and water bar 83, the labyrinth stator 82 is equipped with the 4th peace
Hole 824 is filled, the water bar 83 is equipped with the 5th mounting hole 8311 corresponding with the 4th mounting hole 824, by screw precession the
Four mounting holes 824 and the 5th mounting hole 8311, make water bar 83 be locked on labyrinth stator 82.
Above example is the better embodiment of the present invention, and embodiments of the present invention are not limited thereto, other are any
Changes, modifications, substitutions, combinations, simplifications made by without departing from the spirit and principles of the present invention are equivalent displacement side
Formula is included within the scope of the present invention.
Claims (10)
1. a kind of motor effectivelying prevent shaft current ablation bearing, including stator module (1), rotor assembly (2), casing (3), turn
Axis (4), drive end bearing bracket (5) and rear end cap (6), stator module (1) and rotor assembly (2) are mounted in casing (3), drive end bearing bracket (5)
It is mounted on the both ends of casing (3) with rear end cap (6), bearing chamber (51,61), institute are respectively equipped on drive end bearing bracket (5) and rear end cap (6)
State that bearing chamber (51,61) is inner to be equipped with bearing (7), shaft (4) is supported on bearing (7), and the drive end bearing bracket (5) is stretched equipped with axis
Hole (52), one end of shaft (4) stretch hole (52) stretching from the axis of drive end bearing bracket (5) and form axle stretch end (41), and the shaft (4) is with before
Sealing structure (8) is equipped between the end face of end cap (5), sealing structure (8) includes labyrinth rotor (81) and labyrinth stator (82), institute
Labyrinth stator (82) is stated on drive end bearing bracket (5), labyrinth rotor (81) is mounted in shaft (4), it is characterised in that：The fan
Palace rotor (81) is metal material, and the labyrinth stator (82) is equipped with shaft current and prevents structure (9), the pre- anti-caking of shaft current
Structure (9) includes brush box (91), carbon brush (92) and spring (93), and the spring (93) and carbon brush (92) setting are interior in brush box (91),
One end of spring (93) withstands on the inner wall of brush box (91), and the other end of spring (93) withstands on one end of carbon brush (92), carbon brush (92)
The other end stretch out brush box (91) and contacted with labyrinth rotor (81), the brush box (91) passes through on the labyrinth stator (82)
Shaft current export is avoided bearing (7) from damaging by carbon brush (92) respectively with brush box (91).
2. a kind of motor effectivelying prevent shaft current ablation bearing according to claim 1, it is characterised in that：The shaft
(4) it is equipped with a step (42), labyrinth rotor (81) is supported on step (42).
3. a kind of motor effectivelying prevent shaft current ablation bearing according to claim 2, it is characterised in that：The labyrinth
Rotor (81) include top plate (811) and positioned at top plate (811) bottom surface protrude above it is several be spaced apart annular lug (812),
Form the first groove (813) between each two annular lug (812), the labyrinth stator (82) include bottom plate (821) and
Several annular convex platform (822) being spaced apart protruded above from the top surface of bottom plate (821), each two annular convex platform (822)
Between form the second groove (823), the annular lug (812) stretches into, the annular convex platform inner in the second groove (823)
(822) stretch into inner in the first groove (813), the edge of the top plate (811) is equipped with annular outer ring (814), the annular outer ring
(814) cavity (815) is formed between.
4. wanting a kind of motor effectivelying prevent shaft current ablation bearing described in 3 according to right, it is characterised in that：The shaft
(4) expansion sleeve (43) is arranged on, the cavity (815) that expansion sleeve (43) is inserted in labyrinth rotor (81) is inner, annular outer ring (814)
It is equipped with several first mounting holes (8141), the first mounting hole (8141) and the expansion sleeve (43) of the annular outer ring (814)
Between by lock-screw (10) pass through the first mounting hole (8141) by labyrinth rotor (81) and expansion sleeve (43) locking, work as shaft
(4) when rotating, labyrinth rotor (81) also follows shaft (4) to rotate together.
5. a kind of motor effectivelying prevent shaft current ablation bearing according to claim 1 or 2 or 3 or 4, feature exist
In：The sealing structure (8) further includes water bar (83), and water bar (83) includes annular bottom plate (831) and from annular bottom
Up extend an annular slab (832) on the inside of plate (831), the annular bottom plate (831) is mounted on the top surface of labyrinth stator (82)
On, annular slab (832) is sleeved on labyrinth rotor (81) periphery, and the side of the annular slab (832) is equipped with through-hole (8321), described logical
Hole (8321) is correspondingly arranged with brush box (91), and the carbon brush (92) in brush box (91) passes through through-hole (8321) and labyrinth rotor
(81) it contacts, avoids bearing (7) from damaging shaft current export.
6. a kind of motor effectivelying prevent shaft current ablation bearing according to claim 5, it is characterised in that：The annular
The other side of plate (832) is equipped with weeper (8322), and the weeper (8322) is correspondingly arranged with through-hole (8321).
7. a kind of motor effectivelying prevent shaft current ablation bearing according to claim 6, it is characterised in that：The annular
The top of plate (832) is equipped with an annular flange (8323), described when water bar (83) is mounted on labyrinth stator (82)
Annular flange (8323) shelters from the annular outer ring (814) of labyrinth rotor (81).
8. a kind of motor effectivelying prevent shaft current ablation bearing according to claim 7, it is characterised in that：The shaft
(4) and the axis of drive end bearing bracket (5) stretch hole (52) between outside framework oil seal (101) is installed, the outside framework oil seal (101) is located at drive end bearing bracket
(5) between bearing chamber (51) and labyrinth stator (82), between the outside framework oil seal (101) and labyrinth stator (82) one is formed to hold
Receive chamber (102), accommodating chamber (102) is inner to fill grease.
9. a kind of motor effectivelying prevent shaft current ablation bearing according to claim 8, it is characterised in that：The labyrinth
By screw lock between stator (82) and drive end bearing bracket (5), the bottom plate (821) of the labyrinth stator (82) be equipped with several the
Two mounting holes (8211), the drive end bearing bracket (5) is equipped with third mounting hole (53) corresponding with the second mounting hole (8211), by spiral shell
The second mounting hole of precession (8211) and third mounting hole (53) are followed closely, labyrinth stator (82) is made to be locked on drive end bearing bracket (5).
10. a kind of motor effectivelying prevent shaft current ablation bearing according to claim 9, it is characterised in that：The fan
The 4th mounting hole is equipped with by screw lock, the labyrinth stator (82) between palace stator (82) and water bar (83)
(824), the water bar (83) is equipped with the 5th mounting hole (8311) corresponding with the 4th mounting hole (824), and screw is revolved
Into the 4th mounting hole (824) and the 5th mounting hole (8311), water bar (83) is made to be locked on labyrinth stator (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701885.6A CN108566017A (en) | 2018-06-30 | 2018-06-30 | A kind of motor effectivelying prevent shaft current ablation bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701885.6A CN108566017A (en) | 2018-06-30 | 2018-06-30 | A kind of motor effectivelying prevent shaft current ablation bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108566017A true CN108566017A (en) | 2018-09-21 |
Family
ID=63555503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810701885.6A Pending CN108566017A (en) | 2018-06-30 | 2018-06-30 | A kind of motor effectivelying prevent shaft current ablation bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108566017A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190701A (en) * | 2019-05-13 | 2019-08-30 | 卧龙电气驱动集团股份有限公司 | Dubbin and salt fog invade sealing structure at a kind of plastic-sealing brushless DC motor shaft |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040233592A1 (en) * | 2003-03-17 | 2004-11-25 | Oh Hieyoung W. | Grounding brush for mitigating electrical current on motor shafts |
| US20110204734A1 (en) * | 2005-06-25 | 2011-08-25 | Orlowski David C | Motor Grounding Seal |
| WO2014146338A1 (en) * | 2013-03-18 | 2014-09-25 | 中山大洋电机股份有限公司 | Structure of direct current plastic packaging motor |
| US20140369821A1 (en) * | 2011-12-21 | 2014-12-18 | Pope Electric Motors Pty Ltd | Earth and/or sealing assembly for electric motors |
| CN208638150U (en) * | 2018-06-30 | 2019-03-22 | 中山大洋电机股份有限公司 | A kind of motor effectivelying prevent shaft current ablation bearing |
-
2018
- 2018-06-30 CN CN201810701885.6A patent/CN108566017A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040233592A1 (en) * | 2003-03-17 | 2004-11-25 | Oh Hieyoung W. | Grounding brush for mitigating electrical current on motor shafts |
| US20110204734A1 (en) * | 2005-06-25 | 2011-08-25 | Orlowski David C | Motor Grounding Seal |
| US20140369821A1 (en) * | 2011-12-21 | 2014-12-18 | Pope Electric Motors Pty Ltd | Earth and/or sealing assembly for electric motors |
| WO2014146338A1 (en) * | 2013-03-18 | 2014-09-25 | 中山大洋电机股份有限公司 | Structure of direct current plastic packaging motor |
| CN208638150U (en) * | 2018-06-30 | 2019-03-22 | 中山大洋电机股份有限公司 | A kind of motor effectivelying prevent shaft current ablation bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190701A (en) * | 2019-05-13 | 2019-08-30 | 卧龙电气驱动集团股份有限公司 | Dubbin and salt fog invade sealing structure at a kind of plastic-sealing brushless DC motor shaft |
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