JPH0184989U - - Google Patents
Info
- Publication number
- JPH0184989U JPH0184989U JP1987180927U JP18092787U JPH0184989U JP H0184989 U JPH0184989 U JP H0184989U JP 1987180927 U JP1987180927 U JP 1987180927U JP 18092787 U JP18092787 U JP 18092787U JP H0184989 U JPH0184989 U JP H0184989U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- blows
- display
- sensor
- drifter
- 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
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Percussive Tools And Related Accessories (AREA)
Description
第1図は本考案の実施例の油圧回路図、第2図
は従来装置の油圧回路図である。
1……油圧ドリフタ又はブレーカ、2……油圧
源、8,9……油圧センサ、12……デジタル表
示モニタ、13……アナログ表示モニタ。
FIG. 1 is a hydraulic circuit diagram of an embodiment of the present invention, and FIG. 2 is a hydraulic circuit diagram of a conventional device. 1... Hydraulic drifter or breaker, 2... Hydraulic source, 8, 9... Hydraulic pressure sensor, 12... Digital display monitor, 13... Analog display monitor.
Claims (1)
センサ、ピストン変位センサ等のパルス波出力を
、パルスカウンタを通して打撃数のデイジタル表
示を行い、又はF/V変換して打撃数のアナログ
表示を行うことを特徴とする油圧ドリフタ、油圧
ブレーカ等の打撃数モニタ装置。 The pulse wave output of a hydraulic sensor, piston displacement sensor, etc. installed in a hydraulic drifter, hydraulic breaker, etc. is used to digitally display the number of blows through a pulse counter, or to perform F/V conversion to display an analog display of the number of blows. A device that monitors the number of blows for hydraulic drifters, hydraulic breakers, etc.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987180927U JPH0184989U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987180927U JPH0184989U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0184989U true JPH0184989U (en) | 1989-06-06 |
Family
ID=31472429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987180927U Pending JPH0184989U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0184989U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1964647A3 (en) * | 2001-05-09 | 2013-02-20 | Sandvik Mining and Construction Oy | Method for controlling operating cycle of impact device, and impact device |
-
1987
- 1987-11-30 JP JP1987180927U patent/JPH0184989U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1964647A3 (en) * | 2001-05-09 | 2013-02-20 | Sandvik Mining and Construction Oy | Method for controlling operating cycle of impact device, and impact device |