CN103427291A - Sandwich carbon brush for electric grinder - Google Patents
Sandwich carbon brush for electric grinder Download PDFInfo
- Publication number
- CN103427291A CN103427291A CN2012101507029A CN201210150702A CN103427291A CN 103427291 A CN103427291 A CN 103427291A CN 2012101507029 A CN2012101507029 A CN 2012101507029A CN 201210150702 A CN201210150702 A CN 201210150702A CN 103427291 A CN103427291 A CN 103427291A
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- CN
- China
- Prior art keywords
- carbon
- carbon brush
- pipe box
- connection wire
- connecting wire
- 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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- Motor Or Generator Current Collectors (AREA)
Abstract
The invention discloses a sandwich carbon brush for an electric grinder. The sandwich carbon brush for the electric grinder comprises a carbon body, a left connecting wire, a right connecting wire, a lug plate, a left pipe sleeve and a right pipe sleeve, wherein the carbon body comprises two symmetrical carbon blocks, namely a left carbon block and a right carbon block, a bonding layer is arranged between the two carbon blocks which are bonded to be a whole through the bonding layer, one end of the left connecting wire and one end of the right connecting wire are embedded in the left carbon block and the right carbon block respectively, the other end of the left connecting wire and the other end of the right connecting wire are welded on the lug plate, and the left pipe sleeve and the right pipe sleeve wrap the exposed part of the left connecting wire and the exposed part of the right connecting wire respectively. The insulating glass fiber pipe sleeves wrap the wires, the carbon brush and conducting liquid are insulated to protect a motor, the pipe sleeves can also protect the connecting wires, the service life of the carbon brush is prolonged, and the insulating bonding layer added in the carbon body can improve the reversing performance of the carbon brush.
Description
Technical field
The present invention relates to a kind of carbon brush, especially a kind of carbon brush for electrical grinding machine.
Background technology
Carbon brush is the device of transferring energy or signal between the standing part of motor or generator or other rotating machineries and rotating part, in the time of electric machine rotation, electric energy is flowed to coil by phase changer.Carbon brush, as a kind of sliding contact part, is widely used in many electric equipments.Traditional carbon brush is generally that pure carbon adds coagulating agent and makes, external form is generally square, volume varies, on top, there is wire to draw, wire is exposed often, and and the part wire of carbon brush need to be through conducting liquid in electrical grinding machine outside, but carbon brush can not directly contact with conducting liquid, otherwise easily motor is burnt out, so traditional carbon brush is not suitable in electrical grinding machine; When motor runs up, because the thermal coefficient of expansion of carbon brush is less, easily cause the card brush, cause motor commutation unstable.
Summary of the invention
The technical problem to be solved in the present invention is to provide the carbon brush that a kind of applicable electrical grinding machine is used.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is: the sandwich carbon brush of a kind of electrical grinding machine, comprise carbon body, left connection wire, right connection wire and lug plate, also comprise left pipe box and right pipe box, described carbon body comprises the left carbon piece of the carbon piece of two symmetries and right carbon piece, be provided with adhesive layer between two carbon pieces, two carbon pieces are bonded into an integral body by adhesive layer; One end of left connection wire and right connection wire is embedded in respectively in left carbon piece and right carbon piece, and the other end is welded on lug plate, and left pipe box and right pipe box wrap respectively left connection wire and the exposed part outside of right connection wire.
As further improved technical scheme of the present invention, described adhesive layer is the insulation glue-line.
As further improved technical scheme of the present invention, described left and right sleeve pipe is glass fibre sleeve.
As further improved technical scheme of the present invention, described left and right sleeve pipe is the silica gel pipe box.
As further improved technical scheme of the present invention, it is copper litz wire that described left and right connects wire.
The present invention has wrapped up one deck insulating sleeve on wire, not only can allow carbon brush and conducting liquid insulate to protect motor, and sleeve pipe can also be protected the connection wire, extends the useful life of carbon brush; Add the insulation glue-line in the middle of the carbon body, can improve the commutation ability of carbon brush.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Embodiment 1
Referring to Fig. 1, the sandwich carbon brush of this electrical grinding machine, comprise carbon body 1, left connection wire 2, right connection wire 3 and lug plate 6, also comprise left glass fibre pipe box 4 and right glass fibre pipe box 5, carbon body 1 comprises the left carbon piece 11 of the carbon piece of two symmetries and right carbon piece 12, be provided with adhesive layer 13 between two carbon pieces, adhesive layer 13 is the insulation glue-line, and two carbon pieces are bonded into an integral body by adhesive layer 13; One end of left connection wire 2 and right connection wire 3 is embedded in respectively in left carbon piece 11 and right carbon piece 12, the other end is welded on lug plate 6, left glass fibre pipe box 4 and right glass fibre pipe box 5 wrap respectively left connection wire 2 and the exposed part outside of right connection wire 3, and left connection wire 2 and right connection wire 3 are copper litz wire.Wherein also available silica gel pipe box is alternative for the glass fibre pipe box.In the present embodiment in the coated outside that connects wire one deck insulative, not only can allow carbon brush and conducting liquid insulate to protect motor, sleeve pipe can also be protected the connection wire, the useful life of prolongation carbon brush; Add the insulation glue-line in the middle of the carbon body, can also improve the commutation ability of carbon brush.
Claims (5)
1. the sandwich carbon brush of electrical grinding machine, comprise carbon body (1), left connection wire (2), right connection wire (3) and lug plate (6), it is characterized in that: also comprise left pipe box (4) and right pipe box (5), described carbon body (1) comprises the left carbon piece of the carbon piece of two symmetries (11) and right carbon piece (12), be provided with adhesive layer (13) between two carbon pieces, two carbon pieces are bonded into an integral body by adhesive layer (13); One end of left connection wire (2) and right connection wire (3) is embedded in respectively in left carbon piece (11) and right carbon piece (12), it is upper that the other end is welded on lug plate (4), and left pipe box (4) and right pipe box (5) wrap respectively left connection wire (2) and the exposed part outside of right connection wire (3).
2. the sandwich carbon brush of electrical grinding machine according to claim 1 is characterized in that: described adhesive layer (13) is the insulation glue-line.
3. the sandwich carbon brush of electrical grinding machine according to claim 1, it is characterized in that: described left pipe box (4) and right pipe box (5) are glass fibre sleeve.
4. the sandwich carbon brush of electrical grinding machine according to claim 1, it is characterized in that: described left pipe box (4) and right pipe box (5) are the silica gel pipe box.
5. the sandwich carbon brush of electrical grinding machine according to claim 1, it is characterized in that: described left connection wire (2) and right connection wire (3) are copper litz wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101507029A CN103427291A (en) | 2012-05-16 | 2012-05-16 | Sandwich carbon brush for electric grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101507029A CN103427291A (en) | 2012-05-16 | 2012-05-16 | Sandwich carbon brush for electric grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103427291A true CN103427291A (en) | 2013-12-04 |
Family
ID=49651677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101507029A Pending CN103427291A (en) | 2012-05-16 | 2012-05-16 | Sandwich carbon brush for electric grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103427291A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050029895A1 (en) * | 2002-10-15 | 2005-02-10 | Philippe Neidhart | High-power direct current engine comprising a collector and carbon brushes for a racing car serving as prototype |
| CN201118076Y (en) * | 2007-09-29 | 2008-09-17 | 宝山钢铁股份有限公司 | Dc motor electrical brush |
| CN101447632A (en) * | 2008-12-29 | 2009-06-03 | 任丘市双楼电碳制品有限公司 | Two-layer bonded carbon graphite-structure brush |
| CN202651573U (en) * | 2012-05-16 | 2013-01-02 | 海门市华联电碳有限公司 | Electric grinder used sandwich carbon brush |
-
2012
- 2012-05-16 CN CN2012101507029A patent/CN103427291A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050029895A1 (en) * | 2002-10-15 | 2005-02-10 | Philippe Neidhart | High-power direct current engine comprising a collector and carbon brushes for a racing car serving as prototype |
| CN201118076Y (en) * | 2007-09-29 | 2008-09-17 | 宝山钢铁股份有限公司 | Dc motor electrical brush |
| CN101447632A (en) * | 2008-12-29 | 2009-06-03 | 任丘市双楼电碳制品有限公司 | Two-layer bonded carbon graphite-structure brush |
| CN202651573U (en) * | 2012-05-16 | 2013-01-02 | 海门市华联电碳有限公司 | Electric grinder used sandwich carbon brush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131204 |