CN101860153A - Slip ring cover of wound type motor - Google Patents
Slip ring cover of wound type motor Download PDFInfo
- Publication number
- CN101860153A CN101860153A CN201010180023A CN201010180023A CN101860153A CN 101860153 A CN101860153 A CN 101860153A CN 201010180023 A CN201010180023 A CN 201010180023A CN 201010180023 A CN201010180023 A CN 201010180023A CN 101860153 A CN101860153 A CN 101860153A
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- CN
- China
- Prior art keywords
- cover
- slip ring
- cover plate
- end shield
- slip
- 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.)
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Abstract
The invention relates to a slip ring cover of a wound type motor, which comprises a motor shaft, a slip ring device, a brush gear and an end cover. The slip ring cover is characterized in that: the end cover is provided with a wire outlet box; the end cover is provided with a rear cover plate and an air outlet cover plate; the air outlet cover plate is arranged on the lower part of the end cover; filtering cover plates are arranged at the bottom of the end cover; and the filtering cover plates are two perforated plates, and non-woven fabrics are arranged between the two perforated plates. The slip ring cover has a compact and reasonable structure and beautiful appearance, reduces powdered carbon swirling in the whole cavity of the slip ring cover, avoids forming leakage channels, reduces electric arcing, and effectively prevents slip rings from being burnt and brushes from arcing so as to improve service life of the wound type rotor asynchronous motor.
Description
Technical field
The present invention relates to a kind of slip ring cover of high-low pressure heavy-duty motor, aim at specifically that some high-low pressures are high-power, the cover of phase-wound rotor threephase asynchronous slip ring.
Background technology
The slip ring of winding rotor motor and brush are connected starting resistance in the industries such as blower fan of mine, metallurgy, cement plant, milling train, grinding machine, heavy-load start, and rotor short circuit in winding normal operation work behind electric motor starting.For reducing brush and wearing and tearing and the heating of slip ring in the whole operating period, the design of slip ring cover is also very important with manufacturing.Some traditional slip ring covers do not have good ventilation cooling device, the heat of slip ring and brush can not in time be pulled away and cause the wear of brush aggravation, produce a lot of carbon dusts, traditional slip ring cover does not have good carbon dust filter, carbon dust covers the slip ring surface soon or flies upward in the whole cavity of slip ring cover, forms the electric leakage path, has increased the danger of arcing, cause slip ring to burn out and flashover at brush, thus can not make the phase-wound rotor asynchronous motor can not be for a long time, the reliable use.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby a kind of have good ventilation cooling, the slip ring cover of carbon dust filter are provided, reduce the wearing and tearing of brush and flying upward of carbon dust, improve the useful life of Wound-rotor type high-low pressure heavy-duty motor.
According to technical scheme provided by the invention, a kind of novel slip ring cover of winding motor, comprise motor shaft, slip-ring device, brushgear and end shield, on the described end shield outlet box is installed, mounting rear cover plate and air outlet cover plate on end shield, the air inlet cover plate is installed in the end shield bottom, filters cover plate and is installed in the end shield bottom, described filtration cover plate place is two perforated plates, between two perforated plates nonwoven fabrics is set.
On the described slip-ring device internal fan is installed; Internal fan on the described slip-ring device is by the air inlet air intake of end shield, the air outlet air-out, and another part wind enters nonwoven fabrics and filters carbon dust;
On the described end shield inspection hole is installed, described inspection hole is made of by some rubber filler rods polymethyl methacrylate sheet and cover plate.
Compared with the prior art the present invention has the following advantages:
Good looking appearance of the present invention is removed the inlet and outlet cover plate and is changed other pattern cover plate into, can form dissimilar safeguard structures such as IP44, IP23, IP4X; This slip ring cover compact conformation, reasonable, the internal fan of slip ring and the filter in the end shield have been adopted, when making the motor operation, reduced the friction heat of brush and slip ring, reduce carbon dust and in the whole cavity of slip ring cover, flown upward, avoided forming the electric leakage path, reduced arcing, prevent that effectively slip ring from burning out and flashover at brush, thereby improved phase-wound rotor motor useful life.
Description of drawings
Fig. 1 is an overall structure front view of the present invention.
Fig. 2 is an inspection hole structural representation of the present invention.
Embodiment
The invention will be further described with enforcement below in conjunction with concrete accompanying drawing.
As shown in Figure 1: slip ring cover comprises inspection hole 1, outlet box 2, end shield 3, air outlet cover plate 4, lifting bolt 5, back shroud 6, brushgear 7, slip-ring device 8, air inlet cover plate 9, nonwoven fabrics 10, filters cover plate 11 etc.
The present invention adopts slip-ring device 8 to be enclosed within on the motor shaft; Brushgear 7 is installed in the end shield 3; End shield 3 is fixed with the rear end cap thread connection of motor; Outlet box 2 is installed on the end shield 3; The break-in state that inspection hole 1 can be observed slip-ring device 8 and brushgear 7 is installed on the end shield 3; Mounting rear cover plate 6 is fastening by lifting bolt 5 on end shield 3, air outlet cover plate 4, air inlet cover plate 9 and filtration cover plate 11 also are installed on the end shield 3 respectively, air inlet cover plate 9 is installed in end shield 3 bottoms, filter cover plate 11 and be installed in end shield 3 bottoms, described filtration cover plate 11 places are two perforated plates, nonwoven fabrics 10 is set between two perforated plates can filters carbon dust;
On the described slip-ring device 8 internal fan is installed, can be produced enough air quantity, blast,, can effectively reduce the temperature rise in the slip ring cover simultaneously, in time take away brush and slip ring because of fricative heat with the filter of carbon dust row in slip ring cover; Internal fan on the described slip-ring device 8 is by the air inlet air intake of end shield 3, the air outlet air-out, and another part wind enters nonwoven fabrics 10 and filters carbon dusts;
Can be after described back shroud 6 dismountings with rotor winding lead wire and slip-ring device 8 positive connection;
Described air inlet cover plate 9 passes through to exchange with air outlet cover plate 4, slip ring cover can be formed different degree of protection;
Described inspection hole 1 is made of by some rubber filler rods 13 polymethyl methacrylate sheet 14 and cover plate 12, firmly, good seal performance, has avoided winding motor not good because of slip ring and brush break-in, causes that wear of brush is aggravated, carbon dust flies upward.
Claims (3)
1. the slip ring cover of a winding motor, comprise motor shaft, slip-ring device, brushgear and end shield, it is characterized in that: described end shield (3) is gone up outlet box (2) is installed, go up mounting rear cover plate (6) and air outlet cover plate (4) at end shield (3), air inlet cover plate (9) is installed in end shield (3) bottom, filter cover plate (11) and be installed in end shield (3) bottom, described filtration cover plate (11) is two perforated plates, and nonwoven fabrics (10) is set between two perforated plates.
2. the slip ring cover of a kind of winding motor as claimed in claim 1 is characterized in that upward installation internal fan of described slip-ring device (8).
3. the slip ring cover of a kind of winding motor as claimed in claim 1 is characterized in that upward installation inspection hole (1) of described end shield (3), and described inspection hole (1) is made of by rubber filler rod (13) polymethyl methacrylate sheet (14) and cover plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010180023A CN101860153A (en) | 2010-05-17 | 2010-05-17 | Slip ring cover of wound type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010180023A CN101860153A (en) | 2010-05-17 | 2010-05-17 | Slip ring cover of wound type motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101860153A true CN101860153A (en) | 2010-10-13 |
Family
ID=42945864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010180023A Pending CN101860153A (en) | 2010-05-17 | 2010-05-17 | Slip ring cover of wound type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101860153A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196481A (en) * | 2017-07-12 | 2017-09-22 | 南通金驰机电有限公司 | A kind of compact slip ring motor |
-
2010
- 2010-05-17 CN CN201010180023A patent/CN101860153A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196481A (en) * | 2017-07-12 | 2017-09-22 | 南通金驰机电有限公司 | A kind of compact slip ring motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101013 |