JPH048951U - - Google Patents
Info
- Publication number
- JPH048951U JPH048951U JP4879290U JP4879290U JPH048951U JP H048951 U JPH048951 U JP H048951U JP 4879290 U JP4879290 U JP 4879290U JP 4879290 U JP4879290 U JP 4879290U JP H048951 U JPH048951 U JP H048951U
- Authority
- JP
- Japan
- Prior art keywords
- force
- commutator
- pressing
- brush against
- measuring device
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Description
第１図はこの考案の一実施例による直流機の整
流子と刷子との間の摩擦抵抗係数測定装置を示す
図、第２図は従来の摩擦抵抗係数測定装置を示す
図である。図において、５は刷子、６は刷子保持
具、７は定圧ばね、８はダンパ、９は整流子、１
０，１１はひずみゲージ、１２はアンプ、１３は
演算器を示す。図中、同一符号は同一、または相
当部分を示す。
FIG. 1 is a diagram showing a frictional resistance coefficient measuring device between a commutator and a brush of a DC machine according to an embodiment of this invention, and FIG. 2 is a diagram showing a conventional frictional resistance coefficient measuring device. In the figure, 5 is a brush, 6 is a brush holder, 7 is a constant pressure spring, 8 is a damper, 9 is a commutator, 1
0 and 11 are strain gauges, 12 is an amplifier, and 13 is a computing unit. In the figures, the same reference numerals indicate the same or corresponding parts.
Claims (1)
れと直角方向の力を検出するためのひずみゲージ
を備え、かつ刷子が一定力で整流子に押しつけら
れる機構を有することを特徴とする印子の摩擦抵
抗係数測定装置。 Frictional resistance of a stamp characterized by having a strain gauge for detecting the force pressing the brush against the commutator of a DC machine and the force in a direction perpendicular to this, and having a mechanism for pressing the brush against the commutator with a constant force. Coefficient measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4879290U JPH048951U (en) | 1990-05-09 | 1990-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4879290U JPH048951U (en) | 1990-05-09 | 1990-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048951U true JPH048951U (en) | 1992-01-27 |
Family
ID=31565921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4879290U Pending JPH048951U (en) | 1990-05-09 | 1990-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048951U (en) |
-
1990
- 1990-05-09 JP JP4879290U patent/JPH048951U/ja active Pending
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