JPS638286U - - Google Patents
Info
- Publication number
- JPS638286U JPS638286U JP10080886U JP10080886U JPS638286U JP S638286 U JPS638286 U JP S638286U JP 10080886 U JP10080886 U JP 10080886U JP 10080886 U JP10080886 U JP 10080886U JP S638286 U JPS638286 U JP S638286U
- Authority
- JP
- Japan
- Prior art keywords
- wire
- power supply
- supply cable
- whose
- trolley
- 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
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Control And Safety Of Cranes (AREA)
Description
第１図は本考案の一実施例を示す側面図、第２
図は同要部断面図、第３図は第２図Ａ―Ａ線断面
図、第４図は作動状態を示す断面図、第５図は従
来技術を説明するためのコンテナクレーンの正面
図である。
図中、２はトロリー、４は吊具、５は給電ケー
ブル、９はワイヤ、１４は係止部、２０はリミツ
トスイツチである。
Figure 1 is a side view showing one embodiment of the present invention;
The figure is a cross-sectional view of the same main part, Figure 3 is a cross-sectional view taken along the line A--A in Figure 2, Figure 4 is a cross-sectional view showing the operating state, and Figure 5 is a front view of the container crane to explain the conventional technology. be. In the figure, 2 is a trolley, 4 is a hanging tool, 5 is a power supply cable, 9 is a wire, 14 is a locking portion, and 20 is a limit switch.
Claims (1)
先端部が固定され、上記トロリーに基端部が固定
された給電ケーブルと、該給電ケーブルの基端部
側に一端が連結されたワイヤと、該ワイヤの他端
を上記給電ケーブルの基端部側が弛むように引つ
張つて係止するとと共にワイヤに加わる張力が所
定張力以上でワイヤの他端を解放する係止部と、
該係止部からワイヤの他端が外れたとき上記吊具
の昇降を停止させるリミツトスイツチとを備えた
ことを特徴とする給電ケーブルの過張力防止装置
。 A power supply cable whose distal end is fixed to a hanger that is vertically and vertically suspended from a trolley and whose base end is fixed to the trolley; a wire whose one end is connected to the base end side of the power supply cable; a locking portion that locks the other end of the wire by pulling it so that the proximal end side of the power supply cable is loosened, and releases the other end of the wire when the tension applied to the wire exceeds a predetermined tension;
An overtension prevention device for a power supply cable, comprising a limit switch that stops the lifting and lowering of the hanging tool when the other end of the wire comes off from the locking portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10080886U JPH0420869Y2 (en) | 1986-07-02 | 1986-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10080886U JPH0420869Y2 (en) | 1986-07-02 | 1986-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS638286U true JPS638286U (en) | 1988-01-20 |
| JPH0420869Y2 JPH0420869Y2 (en) | 1992-05-13 |
Family
ID=30970968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10080886U Expired JPH0420869Y2 (en) | 1986-07-02 | 1986-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420869Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009046222A (en) * | 2007-08-16 | 2009-03-05 | Hitachi Plant Technologies Ltd | Device and method for controlling electric cable reel for feeding crane lifting sling |
-
1986
- 1986-07-02 JP JP10080886U patent/JPH0420869Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009046222A (en) * | 2007-08-16 | 2009-03-05 | Hitachi Plant Technologies Ltd | Device and method for controlling electric cable reel for feeding crane lifting sling |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0420869Y2 (en) | 1992-05-13 |