CN204906069U - Send out motor bearing and prevent that static corrodes device and generator thereof - Google Patents
Send out motor bearing and prevent that static corrodes device and generator thereof Download PDFInfo
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- CN204906069U CN204906069U CN201520630855.2U CN201520630855U CN204906069U CN 204906069 U CN204906069 U CN 204906069U CN 201520630855 U CN201520630855 U CN 201520630855U CN 204906069 U CN204906069 U CN 204906069U
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- brush
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Abstract
The utility model relates to a send out motor bearing and prevent that static corrodes device and generator thereof sets up the bearing and prevents that static corrodes the device sending out a motor driving end, and the bearing prevents that static corrodes the device and includes the mounting panel, the mounting panel passes through the bearing enclosing cover that cylinder connector fixed connection sent out motor driving end, and the brush box passes through double -screw bolt piece fixed connection mounting panel, and the carbon brush slides and sets up in the brush box, set up spring on the brush box will it is epaxial at generator rotor that the carbon brush supports the pressure, the pin connection of carbon brush the mounting panel. The utility model discloses the simple structure compactness, low in manufacturing cost continuously eliminates rotor shaft voltage, prevents to send out the motor bearing oil film and punctures, avoids because the high potential punctures the oil film between bearing rolling element and the raceway and corrodes raceway and rolling element and pollute lubricating grease, and extend bearing's life guarantees generator operation steady in a long -term.
Description
Technical field
The utility model relates to a kind of generator, especially relates to a kind of dynamo bearing antistatic corrosion device and generator thereof.
Background technology
Generator is in running, due to reasons such as rotor magnetic field inequality and leakage fields, generator amature just can produce a few volt or higher floating potential at zero point, when this current potential is very little, its be not enough to puncture between dynamo bearing rolling element and raceway due to during High Rotation Speed be formed with oil film (this oil film has certain dielectric strength), but, along with the prolongation of running time, this current potential can rise thereupon, thus puncture oil film, corrosion rolling element and raceway face, frictional force between rolling element and raceway will strengthen, loss increases, temperature raises, also the rotten of oil product can be caused in addition, if the floating potential of not taking measures rotor to produce is eliminated, so breakdown process can periodically occur, and then the lubrication of dynamo bearing is had an impact, bearing temperature raises, last bearing burnt, motor cannot normally run, seriously some even can cause unexpected motor damage, cause loss without redemption.
Utility model content
The applicant is for above-mentioned problem, be studied improvement, a kind of dynamo bearing antistatic corrosion device and generator thereof are provided, simple and compact for structure, low cost of manufacture, continues to eliminate armature spindle voltage, prevent dynamo bearing oil film from puncturing, avoid corroding because high potential punctures the oil film between bearing roller and raceway raceway and rolling element and pollution lubricating grease, extend the useful life of bearing, ensure that generator long-term stability is run.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of dynamo bearing antistatic corrosion device, comprise mounting panel, described mounting panel is fixedly connected with the bearing end cover of generator drive end by cylinder connector, brush box is fixedly connected with mounting panel by stud block, carbon brush is slidably arranged in described brush box, described carbon brush is pressed on generator rotor shaft by the spring be arranged on described brush box, and the lead-in wire of described carbon brush connects described mounting panel.
Further:
Described stud block is made up of pressing plate and 2 studs, and 2 described studs are vertically fixedly connected with described pressing plate, and the pressing plate of described stud block to insert in the groove of described brush box and is fixedly mounted on described mounting panel by described brush box.
A kind of generator, comprise support, stator and rotor, described support is by earth cable ground connection, the drive end of described support is provided with end cap, bearing is arranged on described end cap, the outside of described bearing is provided with bearing end cover, and the armature spindle of described rotor connects described bearing and extends described bearing end cover; Dynamo bearing antistatic corrosion device is arranged on generator drive end, described dynamo bearing antistatic corrosion device comprises mounting panel, described mounting panel is fixedly connected with the bearing end cover of generator drive end by cylinder connector, brush box is fixedly connected with mounting panel by stud block, carbon brush is slidably arranged in described brush box, described carbon brush is pressed on generator rotor shaft by the spring be arranged on described brush box, and the lead-in wire of described carbon brush connects described mounting panel.
Further:
Described stud block is made up of pressing plate and 2 studs, and 2 described studs are vertically fixedly connected with described pressing plate, and the pressing plate of described stud block to insert in the groove of described brush box and is fixedly mounted on described mounting panel by described brush box.
Technique effect of the present utility model is:
A kind of dynamo bearing antistatic corrosion device and generator thereof disclosed in the utility model, simple and compact for structure, low cost of manufacture, at generator drive end, bearing antistatic corrosion device is set, continue to eliminate armature spindle voltage, prevent dynamo bearing oil film from puncturing, avoid corroding because high potential punctures the oil film between bearing roller and raceway raceway and rolling element and pollution lubricating grease, extend the useful life of bearing, ensure that generator long-term stability is run.
Accompanying drawing explanation
Fig. 1 is the structural representation of dynamo bearing antistatic corrosion device.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the structural representation of stud block.
Fig. 4 is the mounting structure schematic diagram of the generator being provided with bearing antistatic corrosion device.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Fig. 1 ~ 4, dynamo bearing antistatic corrosion device 100 comprises mounting panel 3, mounting panel 3 is fixedly connected with the bearing end cover 1 of generator drive end by cylinder connector 2, brush box 5 is fixedly connected with mounting panel 3 by stud block 4, in the present embodiment, stud block 4 is made up of pressing plate 401 and 2 studs 402, and 2 studs 402 are vertically fixedly connected with pressing plate 401, and the pressing plate 401 of stud block 4 inserts in the groove of brush box 5 and is also fixedly mounted on mounting panel 3 by brush box 5 with nut 10.Carbon brush 6 is slidably arranged in brush box 5, and carbon brush 6 is pressed on generator rotor shaft 7 by the spring 8 be arranged on brush box 5, the lead-in wire 9 securing member connection plate 3 of carbon brush 6.
In actual applications, dynamo bearing antistatic corrosion device 100 is arranged on generator drive end, generator comprises support 14, stator 13 and rotor 12, support 14 is by earth cable 17 ground connection, the drive end of support 14 is provided with end cap 15, bearing 16 is arranged on end cap 15, the outside of bearing 16 is provided with bearing end cover 1, armature spindle 7 connection bearing 16 of rotor 12 also extends bearing end cover 1, carbon brush 6 is pressed on generator rotor shaft 7 surface under spring 8 acts on, carbon brush 6 and armature spindle 7 is made to keep in touch well, like this, on rotor 12, the suspended voltage of induction is just by carbon brush 6, carbon brush lead wire 9, mounting panel 3, cylinder connector 2 is communicated to and is fixed on drive end bearing enclosing cover 1, again by end cap 15, support 14, earth cable 17 passes into the earth, rotor voltage is made to keep equipotential with the earth, namely approximate zero current potential, thus protection dynamo bearing 16 oil film is not by the harm of electrostatic corrosion.
Driving end caps of diesel oil dynamotor is equipped with bearing antistatic corrosion device, as long as rotor suspension voltage is higher than large ground voltage, just can crosses bearing antistatic corrosion device 100, bearing end cover 1, end cap 15, support 14, earth cable 17 introducing the earth.Verify after tested, adopt the generator of bearing antistatic corrosion device, do not use useful life of its bearing extends in dynamo bearing life-span of this device greatly, and without the vestige caused by electrostatic corrosion between rolling element and raceway, oil quality also will be stablized comparatively before.
Claims (4)
1. a dynamo bearing antistatic corrosion device, it is characterized in that: comprise mounting panel, described mounting panel is fixedly connected with the bearing end cover of generator drive end by cylinder connector, brush box is fixedly connected with mounting panel by stud block, carbon brush is slidably arranged in described brush box, described carbon brush is pressed on generator rotor shaft by the spring be arranged on described brush box, and the lead-in wire of described carbon brush connects described mounting panel.
2. according to dynamo bearing antistatic corrosion device according to claim 1, it is characterized in that: described stud block is made up of pressing plate and 2 studs, 2 described studs are vertically fixedly connected with described pressing plate, and the pressing plate of described stud block to insert in the groove of described brush box and is fixedly mounted on described mounting panel by described brush box.
3. one kind is provided with the generator of the dynamo bearing antistatic corrosion device of claim 1, it is characterized in that: comprise support, stator and rotor, described support is by earth cable ground connection, the drive end of described support is provided with end cap, bearing is arranged on described end cap, the outside of described bearing is provided with bearing end cover, and the armature spindle of described rotor connects described bearing and extends described bearing end cover; Dynamo bearing antistatic corrosion device is arranged on generator drive end, described dynamo bearing antistatic corrosion device comprises mounting panel, described mounting panel is fixedly connected with the bearing end cover of generator drive end by cylinder connector, brush box is fixedly connected with mounting panel by stud block, carbon brush is slidably arranged in described brush box, described carbon brush is pressed on generator rotor shaft by the spring be arranged on described brush box, and the lead-in wire of described carbon brush connects described mounting panel.
4. according to generator according to claim 3, it is characterized in that: described stud block is made up of pressing plate and 2 studs, 2 described studs are vertically fixedly connected with described pressing plate, and the pressing plate of described stud block to insert in the groove of described brush box and is fixedly mounted on described mounting panel by described brush box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520630855.2U CN204906069U (en) | 2015-08-20 | 2015-08-20 | Send out motor bearing and prevent that static corrodes device and generator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520630855.2U CN204906069U (en) | 2015-08-20 | 2015-08-20 | Send out motor bearing and prevent that static corrodes device and generator thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204906069U true CN204906069U (en) | 2015-12-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520630855.2U Active CN204906069U (en) | 2015-08-20 | 2015-08-20 | Send out motor bearing and prevent that static corrodes device and generator thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204906069U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109314445A (en) * | 2016-06-07 | 2019-02-05 | 特斯拉公司 | Motor rotor discharge prevention |
| US11807067B2 (en) | 2017-09-07 | 2023-11-07 | Tesla, Inc. | Optimal source electric vehicle heat pump with extreme temperature heating capability and efficient thermal preconditioning |
| US11932078B2 (en) | 2021-03-31 | 2024-03-19 | Tesla, Inc. | Electric vehicle heat pump using enhanced valve unit |
-
2015
- 2015-08-20 CN CN201520630855.2U patent/CN204906069U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109314445A (en) * | 2016-06-07 | 2019-02-05 | 特斯拉公司 | Motor rotor discharge prevention |
| CN109314445B (en) * | 2016-06-07 | 2021-04-27 | 特斯拉公司 | Motor rotor discharge protection |
| US11088582B2 (en) | 2016-06-07 | 2021-08-10 | Tesla, Inc. | Electric motor rotor discharge protection |
| US11218045B2 (en) | 2016-06-07 | 2022-01-04 | Tesla, Inc. | Electric motor waste heat mode to heat battery |
| US11757320B2 (en) | 2016-06-07 | 2023-09-12 | Tesla, Inc. | Electric motor rotor discharge protection |
| US11807067B2 (en) | 2017-09-07 | 2023-11-07 | Tesla, Inc. | Optimal source electric vehicle heat pump with extreme temperature heating capability and efficient thermal preconditioning |
| US11932078B2 (en) | 2021-03-31 | 2024-03-19 | Tesla, Inc. | Electric vehicle heat pump using enhanced valve unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |