JPS622110B2 - - Google Patents
Info
- Publication number
- JPS622110B2 JPS622110B2 JP54044211A JP4421179A JPS622110B2 JP S622110 B2 JPS622110 B2 JP S622110B2 JP 54044211 A JP54044211 A JP 54044211A JP 4421179 A JP4421179 A JP 4421179A JP S622110 B2 JPS622110 B2 JP S622110B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- contactor
- load current
- main motor
- contact
- 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.)
- Expired
Links
- 238000009412 basement excavation Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4421179A JPS55138591A (en) | 1979-04-13 | 1979-04-13 | Driving controller for earth auger machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4421179A JPS55138591A (en) | 1979-04-13 | 1979-04-13 | Driving controller for earth auger machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55138591A JPS55138591A (en) | 1980-10-29 |
JPS622110B2 true JPS622110B2 (zh) | 1987-01-17 |
Family
ID=12685212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4421179A Granted JPS55138591A (en) | 1979-04-13 | 1979-04-13 | Driving controller for earth auger machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55138591A (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5110161A (en) * | 1974-03-05 | 1976-01-27 | Us Energy | Reezayosetsuho oyobi reezayosetsusochi |
JPS5336322U (zh) * | 1977-08-25 | 1978-03-30 |
-
1979
- 1979-04-13 JP JP4421179A patent/JPS55138591A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5110161A (en) * | 1974-03-05 | 1976-01-27 | Us Energy | Reezayosetsuho oyobi reezayosetsusochi |
JPS5336322U (zh) * | 1977-08-25 | 1978-03-30 |
Also Published As
Publication number | Publication date |
---|---|
JPS55138591A (en) | 1980-10-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2013204910B2 (en) | Mining vehicle | |
US8947026B2 (en) | Self-propelled working machine with electrical drive system and processes for operating the same | |
US6094023A (en) | Method and device for braking an all-mains motor | |
US4657117A (en) | Elevator power supply and drive system | |
JPS622110B2 (zh) | ||
US2414473A (en) | Control system for winch drives | |
CN213906582U (zh) | 一种防止电机频繁启动的保护电路及堆取料机 | |
US4270072A (en) | Current supply circuit of cutting drum motors on a mining machine | |
US1994376A (en) | Power transmission system | |
JPH01151692A (ja) | 抗内作業用ドラム型ローダ | |
US1615643A (en) | Ward-leonard drive | |
US1855736A (en) | Motor control system | |
US2026600A (en) | Well drilling system | |
US2999550A (en) | Drilling machine | |
US2110142A (en) | Power transmission system for well drilling and the like | |
US1791498A (en) | Method of and apparatus for differentially applying power | |
US1490228A (en) | Control system | |
CN201857107U (zh) | 肥料专用输送机强制顺序启动装置 | |
US1733074A (en) | Electric drive | |
CN215902624U (zh) | 一种用于双绞线的双驱动切割机构 | |
US1313688A (en) | Hammer mfg | |
JP3043121U (ja) | コアドリルのソフト始動装置 | |
CN209581111U (zh) | 一种电动车双擎动力系统 | |
US1719855A (en) | Automatic motor-control system | |
SU825803A1 (en) | Unit for working frozen soil |