JPH0249980U - - Google Patents
Info
- Publication number
- JPH0249980U JPH0249980U JP12635688U JP12635688U JPH0249980U JP H0249980 U JPH0249980 U JP H0249980U JP 12635688 U JP12635688 U JP 12635688U JP 12635688 U JP12635688 U JP 12635688U JP H0249980 U JPH0249980 U JP H0249980U
- Authority
- JP
- Japan
- Prior art keywords
- hook
- sheave
- ball release
- raised
- cylindrical shaft
- 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
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Description
第１図は、本考案の実施例を示す側面図、第２
図は、第１図のＡ―Ａ矢視断面図、第３図は、第
２図のＢ―Ｂ矢視断面図、第４図は、ワイヤロー
プの取外し状態を示す側面図である。
１……シーブ、２……シーブ支持台、５……シ
ーブブロツク、６……フツク、７……ワイヤロー
プ、９……円筒軸、１０……大旋回軸受、１１…
…ナツト、１２……玉外し板、１３……外れ止め
レバー、１５……カムローラ、１６……案内溝、
１７……リンク、１９……昇降ブロツク、２０…
…小旋回軸受、２１……ボールネジ、２２……駆
動装置、２３……平歯車機構、２４……角ブロツ
ク、２５……角形ケース、２６，２７……近接ス
イツチ。
Fig. 1 is a side view showing an embodiment of the present invention; Fig. 2 is a side view showing an embodiment of the invention;
The figures are a sectional view taken along the line AA in FIG. 1, FIG. 3 is a sectional view taken along the line BB in FIG. 2, and FIG. 4 is a side view showing the wire rope in a removed state. DESCRIPTION OF SYMBOLS 1... Sheave, 2... Sheave support stand, 5... Sheave block, 6... Hook, 7... Wire rope, 9... Cylindrical shaft, 10... Large swing bearing, 11...
... Nut, 12 ... Ball removal plate, 13 ... Removal prevention lever, 15 ... Cam roller, 16 ... Guide groove,
17...link, 19...lifting block, 20...
...Small swing bearing, 21... Ball screw, 22... Drive device, 23... Spur gear mechanism, 24... Square block, 25... Square case, 26, 27... Proximity switch.
Claims (1)
台からなるシーブブロツクに、円筒軸を介して旋
回自在に連結されてワイヤロープを玉掛けするフ
ツクを有するクレーンフツクの自動玉外し装置で
あつて、前記フツクは縦方向に２分割とされ、こ
の２分割されたフツクの内面に、斜めに切り欠か
れた複数の案内溝に沿つて昇降可能とされる鉤状
の玉外し板と、この玉外し板の上端に取付けられ
る外れ止めレバーとを設け、前記玉外し板の中間
部と前記円筒軸の内面に摺動可能に嵌合される昇
降ブロツクとを結合するリンクを設け、さらに、
前記昇降ブロツクに結合されたネジを平歯車機構
を介して昇降自在とする駆動装置を前記シーブ支
持台に取付けて構成したことを特徴とするクレー
ンフツクの自動玉外し装置。 An automatic sheave release device for a crane hook has a hook rotatably connected via a cylindrical shaft to a sheave block consisting of a sheave and a support base for rotatably supporting the sheave and for slinging a wire rope, the hook is divided into two in the vertical direction, and on the inner surface of this two-divided hook, there is a hook-shaped ball release plate that can be raised and lowered along a plurality of diagonally cut out guide grooves, and a ball release plate that can be moved up and down along a plurality of diagonally cut out guide grooves. a retaining lever attached to the upper end; a link connecting the intermediate portion of the ball removing plate to a lifting block slidably fitted to the inner surface of the cylindrical shaft;
An automatic ball release device for a crane hook, characterized in that a drive device is attached to the sheave support base so that the screw connected to the lifting block can be raised and lowered via a spur gear mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12635688U JPH0249980U (en) | 1988-09-29 | 1988-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12635688U JPH0249980U (en) | 1988-09-29 | 1988-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0249980U true JPH0249980U (en) | 1990-04-06 |
Family
ID=31377810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12635688U Pending JPH0249980U (en) | 1988-09-29 | 1988-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0249980U (en) |
-
1988
- 1988-09-29 JP JP12635688U patent/JPH0249980U/ja active Pending
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