JPS63126384U - - Google Patents
Info
- Publication number
- JPS63126384U JPS63126384U JP1714687U JP1714687U JPS63126384U JP S63126384 U JPS63126384 U JP S63126384U JP 1714687 U JP1714687 U JP 1714687U JP 1714687 U JP1714687 U JP 1714687U JP S63126384 U JPS63126384 U JP S63126384U
- Authority
- JP
- Japan
- Prior art keywords
- hook block
- relief valve
- electromagnetic proportional
- proportional relief
- wire rope
- 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
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control And Safety Of Cranes (AREA)
Description
第１図は本考案のフツクブロツクの回転防止用
ワイヤロープを具備する移動式クレーンの側面図
、第２図は制御回路図、第３図は第１図の矢視断
面図である。
１：フツクブロツク、２：回転防止用ワイヤロ
ープ、３：ブーム、４：案内シーブ、５：巻取ド
ラム、６：油圧モータ、７ａ，７ｂ：油圧回路、
８：電磁比例リリーフ弁、９：バイパス回路、１
０：ポテンシヨメータ付調整ノブ、１１：電磁比
例増幅器、１２：油ポンプ、１３：油タンク、１
４：シーブピン、１５：シヤツクル、１６：ワイ
ヤークリツプ、１７：巻上ロープ。
FIG. 1 is a side view of a mobile crane equipped with a wire rope for preventing rotation of a hook block according to the present invention, FIG. 2 is a control circuit diagram, and FIG. 3 is a sectional view taken along the arrow in FIG. 1: Hook block, 2: Anti-rotation wire rope, 3: Boom, 4: Guide sheave, 5: Take-up drum, 6: Hydraulic motor, 7a, 7b: Hydraulic circuit,
8: Solenoid proportional relief valve, 9: Bypass circuit, 1
0: Adjustment knob with potentiometer, 11: Electromagnetic proportional amplifier, 12: Oil pump, 13: Oil tank, 1
4: Sheave pin, 15: Shackle, 16: Wire clip, 17: Hoisting rope.
Claims (1)
ワイヤロープ２の他端を巻取ドラム５によつて巻
取可能とし、前記巻取ドラム５の駆動用油圧モー
タ６の油圧回路７ａ，７ｂと並列に電磁比例リリ
ーフ弁８を有するバイパス回路９を設けると共に
、前記電磁比例リリーフ弁８を運転席に設けたポ
テンシヨメータ付調整ノブ１０により電磁比例増
幅器１１を介して調整可能としたことを特徴とす
るフツクブロツクの回転防止装置。 One end of the anti-rotation wire rope 2 is fixed to the hook block 1, and the other end is made windable by a winding drum 5. A hook block characterized in that a bypass circuit 9 having a proportional relief valve 8 is provided, and the electromagnetic proportional relief valve 8 can be adjusted via an electromagnetic proportional amplifier 11 by an adjustment knob 10 with a potentiometer provided at the driver's seat. anti-rotation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1714687U JPS63126384U (en) | 1987-02-10 | 1987-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1714687U JPS63126384U (en) | 1987-02-10 | 1987-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63126384U true JPS63126384U (en) | 1988-08-18 |
Family
ID=30809641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1714687U Pending JPS63126384U (en) | 1987-02-10 | 1987-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63126384U (en) |
-
1987
- 1987-02-10 JP JP1714687U patent/JPS63126384U/ja active Pending
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