JPS6464511A - Simultaneous sag regulator for plural conductor tension device - Google Patents
Simultaneous sag regulator for plural conductor tension deviceInfo
- Publication number
- JPS6464511A JPS6464511A JP21977687A JP21977687A JPS6464511A JP S6464511 A JPS6464511 A JP S6464511A JP 21977687 A JP21977687 A JP 21977687A JP 21977687 A JP21977687 A JP 21977687A JP S6464511 A JPS6464511 A JP S6464511A
- Authority
- JP
- Japan
- Prior art keywords
- links
- conductor
- sag
- coupling
- conductors
- 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
Landscapes
- Electric Cable Installation (AREA)
- Insulators (AREA)
Abstract
PURPOSE:To enable simultaneous uniform regulation of sag of conductors in short time, by coupling a hydraulic actuator to an intermediate portion of a coupling metal. CONSTITUTION:When delivery pressure is led in from a pump through a distributor (not shown), all hydraulic cylinders 22 contract simultaneously to pull a conductor. Since links 23, 24 incline coupling metals 11, 14 and position the hydraulic cylinder 22 on the axis of the conductor, length regulating links 12, 13 are loosened. Under this state, delivery pressure from the pump is equal to the setting pressure of a relief valve, and all conductors are stretched with a predetermined tensile force. Then the length regulating links 12, 13 are uncoupled, and through-holes 27, 28 are selected in order to couple the links 12, 13 linearly. Thereafter, hydraulic force is lowered gradually, and when tensile force of conductor prevails over the pulling force of the hydraulic cylinder 22, the coupling metals 11, 14 and the regulating links 12, 13 are returned to normal position on the axis of the conductor and thereby the hydraulic cylinder 22 is shifted from the axis thus stretching all conductors with same sag.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21977687A JPS6464511A (en) | 1987-09-02 | 1987-09-02 | Simultaneous sag regulator for plural conductor tension device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21977687A JPS6464511A (en) | 1987-09-02 | 1987-09-02 | Simultaneous sag regulator for plural conductor tension device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6464511A true JPS6464511A (en) | 1989-03-10 |
JPH0419765B2 JPH0419765B2 (en) | 1992-03-31 |
Family
ID=16740821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21977687A Granted JPS6464511A (en) | 1987-09-02 | 1987-09-02 | Simultaneous sag regulator for plural conductor tension device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6464511A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8263796B2 (en) | 2007-10-23 | 2012-09-11 | Nippoh Chemicals Co., Ltd. | Process for production of cyanohydrin compound, and process for production of α-hydroxyester compound |
-
1987
- 1987-09-02 JP JP21977687A patent/JPS6464511A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8263796B2 (en) | 2007-10-23 | 2012-09-11 | Nippoh Chemicals Co., Ltd. | Process for production of cyanohydrin compound, and process for production of α-hydroxyester compound |
Also Published As
Publication number | Publication date |
---|---|
JPH0419765B2 (en) | 1992-03-31 |
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