JPS5873351U - Electric inching device for ball mill - Google Patents
Electric inching device for ball millInfo
- Publication number
- JPS5873351U JPS5873351U JP16539581U JP16539581U JPS5873351U JP S5873351 U JPS5873351 U JP S5873351U JP 16539581 U JP16539581 U JP 16539581U JP 16539581 U JP16539581 U JP 16539581U JP S5873351 U JPS5873351 U JP S5873351U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- ball mill
- low frequency
- frequency power
- power supply
- 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
Landscapes
- Crushing And Grinding (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例を示し、第1図は本考案の構成
図、第2図は本考案の低周波電源部の詳細構成図である
。
1・・・通常用−次スイッチ、2・・・駆動用−次スイ
ッチ、3・・・ボールミル駆動電動機、4・・・短絡接
触器、5・・・電動機二次断路器、6・・・始動抵抗母
線、7・・・通常用始動抵抗スイッチ、訃・・通常用始
動抵抗器、9・・・駆動用始動抵抗スイッチ、10・・
・駆動用始動抵抗器、11・・・商用電源母線、12・
・・商用電源、13・・・駆動電源母線、14・・・低
周波電源、21・・・可変速装置用電源スィッチ、22
・・・可変速装置用制御器、23・・・可変速電動機、
24・・・予備電動機−次スイッチ、25・・・予備電
動機、26・・・変圧器。The drawings show an embodiment of the present invention; FIG. 1 is a block diagram of the present invention, and FIG. 2 is a detailed block diagram of a low frequency power supply section of the present invention. DESCRIPTION OF SYMBOLS 1... Normal use - next switch, 2... Drive - next switch, 3... Ball mill drive motor, 4... Short circuit contactor, 5... Motor secondary disconnector, 6... Starting resistance bus bar, 7... Starting resistance switch for normal use, starting resistor for normal use, 9... Starting resistance switch for driving, 10...
・Drive starting resistor, 11... Commercial power bus, 12.
... Commercial power supply, 13 ... Drive power supply bus, 14 ... Low frequency power supply, 21 ... Power switch for variable speed device, 22
...Controller for variable speed device, 23...Variable speed electric motor,
24... Standby motor-next switch, 25... Standby motor, 26... Transformer.
Claims (1)
駆動運転時、低周波電源を巻線形誘導電動機、又は誘導
同期電動機等からなるボールミル駆動電動機の一次巻線
に接続する電気弐駆動装置において、前記ボールミル駆
動電動機に備えた予備電動機と、この予備電動機に結合
する可変速電動機を設け、同期速度に対し数%のすべり
をもって回転させ、商用の数%の周波数をもつ低周波電
力を得て駆動電源母線に駆動に適した電力を供給するこ
とを特徴とするボールミルの電気弐駆動装置。Equipped with a low frequency power supply and a commercial/low frequency power supply switch,
In an electric drive device that connects a low frequency power source to the primary winding of a ball mill drive motor such as a wound induction motor or an induction synchronous motor during driving operation, a standby motor provided in the ball mill drive motor, and this standby motor A variable speed electric motor coupled to the synchronous speed is provided, and the motor is rotated with a slip of a few percent relative to the synchronous speed, thereby obtaining low frequency power with a frequency of a few percent of commercial power and supplying power suitable for driving to the drive power supply bus. Electric drive device for ball mill.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16539581U JPS5873351U (en) | 1981-11-07 | 1981-11-07 | Electric inching device for ball mill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16539581U JPS5873351U (en) | 1981-11-07 | 1981-11-07 | Electric inching device for ball mill |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5873351U true JPS5873351U (en) | 1983-05-18 |
Family
ID=29957596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16539581U Pending JPS5873351U (en) | 1981-11-07 | 1981-11-07 | Electric inching device for ball mill |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5873351U (en) |
-
1981
- 1981-11-07 JP JP16539581U patent/JPS5873351U/en active Pending
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