JPH01126404U - - Google Patents
Info
- Publication number
- JPH01126404U JPH01126404U JP2235888U JP2235888U JPH01126404U JP H01126404 U JPH01126404 U JP H01126404U JP 2235888 U JP2235888 U JP 2235888U JP 2235888 U JP2235888 U JP 2235888U JP H01126404 U JPH01126404 U JP H01126404U
- Authority
- JP
- Japan
- Prior art keywords
- detector
- hydraulic cylinder
- contraction
- pressure detector
- storage 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.)
- Granted
Links
- 230000008602 contraction Effects 0.000 claims 2
Description
第１図は本考案を実施したクレーンジブ。第２
図は本考案の要部となるマイクロコンピユータの
構成を示す。第３図は記憶装置内に記憶されてい
る選択表を示す。第４図は本考案の油圧シリンダ
の摩擦力補正のフローを示す。
図において；１…クレーンジブ、２…旋回フレ
ーム、３…油圧シリンダ、４…荷、５…操作レバ
ー、６…伸し検出器、７…縮み検出器、８…マイ
クロコンピユータ、８ａ…増巾器、８ｂ…増巾器
、８ｃ…演算装置、８ｄ…記憶装置、８ｅ…表示
装置、９…ロツド圧検出器、１０…ヘツド圧検出
器。
Figure 1 shows a crane jib in which the present invention was implemented. Second
The figure shows the configuration of a microcomputer, which is the main part of the present invention. FIG. 3 shows a selection table stored in the storage device. FIG. 4 shows the flow of friction force correction for the hydraulic cylinder of the present invention. In the figure: 1...crane jib, 2...swivel frame, 3...hydraulic cylinder, 4...load, 5...operation lever, 6...extension detector, 7...shrinkage detector, 8...microcomputer, 8a...magnifier, 8b...Amplifier, 8c...Arithmetic device, 8d...Storage device, 8e...Display device, 9...Rod pressure detector, 10...Head pressure detector.
Claims (1)
検出器６と縮み検出器７及びロツド圧検出器９と
ヘツド圧検出器１０を設け、これら検出器６，７
，９，１０による検出信号をインプツトするマイ
クロコンピユータ８を有し、該マイクロコンピユ
ータ８内にはロツド圧とヘツド圧の関数となる摩
擦力をテーブル又は関数の形で記憶する記憶装置
を備え、前記伸し又は縮み検出器６又は７の現在
の状態とその直前の状態により、前記記憶装置内
のテーブル又は関数の中から補正値αを選択し、
油圧シリンダの保持力を演算表示するようにした
ことを特徴とする油圧シリンダの摩擦力補正装置
。 An extension detector 6, a contraction detector 7, a rod pressure detector 9, and a head pressure detector 10 are provided for the elevation hydraulic cylinder 3 of the crane jib 1.
. Selecting a correction value α from a table or function in the storage device according to the current state and the previous state of the expansion or contraction detector 6 or 7;
A friction force correction device for a hydraulic cylinder, characterized in that the holding force of the hydraulic cylinder is calculated and displayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2235888U JPH0432484Y2 (en) | 1988-02-24 | 1988-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2235888U JPH0432484Y2 (en) | 1988-02-24 | 1988-02-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01126404U true JPH01126404U (en) | 1989-08-29 |
| JPH0432484Y2 JPH0432484Y2 (en) | 1992-08-05 |
Family
ID=31240402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2235888U Expired JPH0432484Y2 (en) | 1988-02-24 | 1988-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432484Y2 (en) |
-
1988
- 1988-02-24 JP JP2235888U patent/JPH0432484Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0432484Y2 (en) | 1992-08-05 |