JPH0472996U - - Google Patents
Info
- Publication number
- JPH0472996U JPH0472996U JP11687990U JP11687990U JPH0472996U JP H0472996 U JPH0472996 U JP H0472996U JP 11687990 U JP11687990 U JP 11687990U JP 11687990 U JP11687990 U JP 11687990U JP H0472996 U JPH0472996 U JP H0472996U
- Authority
- JP
- Japan
- Prior art keywords
- lifting
- elevating frame
- mast
- elevating
- frame
- 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
- 230000003028 elevating effect Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 5
Landscapes
- Control And Safety Of Cranes (AREA)
- Jib Cranes (AREA)
Description
第１図は本考案の一実施例の側面図、第２図は
第１図の−方向の矢視図、第３図は第２図の
部分の斜視図、第４図は本考案の一実施例のフ
ローシート、第５図は従来例を示す側面図である
。
図中１は昇降式ジブクレーン、３は上部昇降フ
レーム、４は昇降装置、５は下部昇降フレーム、
６はマスト、１３は検出プーリ、１４はパルス信
号、１５はロータリーエンコーダを示す。
Fig. 1 is a side view of one embodiment of the present invention, Fig. 2 is a view taken in the - direction of Fig. 1, Fig. 3 is a perspective view of the part shown in Fig. 2, and Fig. 4 is an embodiment of the present invention. FIG. 5 of the flow sheet of the embodiment is a side view showing a conventional example. In the figure, 1 is an elevating jib crane, 3 is an upper elevating frame, 4 is an elevating device, 5 is a lower elevating frame,
6 is a mast, 13 is a detection pulley, 14 is a pulse signal, and 15 is a rotary encoder.
Claims (1)
フレームを交互に固定して該上部昇降フレームと
下部昇降フレームを連結する昇降装置の伸縮作動
により前記マストに沿つて尺取り状に自力で昇降
する昇降式ジブクレーンの昇降量検出装置であつ
て、前記マストの所要位置に圧接されることによ
り前記上部昇降フレームの昇降移動に追従して転
動し得るようにした検出プーリを備え且つ該検出
プーリの回転数に応じたパルス信号を出力するロ
ータリーエンコーダを、前記上部昇降フレームに
取付けたことを特徴とする昇降式ジブクレーンの
昇降量検出装置。 An elevating jib crane that fixes an upper elevating frame and a lower elevating frame alternately to an upright mast, and lifts and lowers itself in a scale shape along the mast by the telescopic operation of a lifting device that connects the upper elevating frame and the lower elevating frame. The lifting amount detection device includes a detection pulley that is pressed against a predetermined position of the mast so as to be able to roll to follow the lifting and lowering movement of the upper lifting frame, and the rotation speed of the detection pulley 1. A lifting amount detection device for an elevating jib crane, characterized in that a rotary encoder that outputs a corresponding pulse signal is attached to the upper elevating frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11687990U JPH0472996U (en) | 1990-11-07 | 1990-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11687990U JPH0472996U (en) | 1990-11-07 | 1990-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0472996U true JPH0472996U (en) | 1992-06-26 |
Family
ID=31864729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11687990U Pending JPH0472996U (en) | 1990-11-07 | 1990-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0472996U (en) |
-
1990
- 1990-11-07 JP JP11687990U patent/JPH0472996U/ja active Pending