JPS5988093U - Auxiliary boom rope loosening prevention device - Google Patents
Auxiliary boom rope loosening prevention deviceInfo
- Publication number
- JPS5988093U JPS5988093U JP18422082U JP18422082U JPS5988093U JP S5988093 U JPS5988093 U JP S5988093U JP 18422082 U JP18422082 U JP 18422082U JP 18422082 U JP18422082 U JP 18422082U JP S5988093 U JPS5988093 U JP S5988093U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- base
- rope
- hook
- auxiliary
- 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
- Jib Cranes (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案の１実施例を示すクレーンの側面図、
第２図は、本考案の作用説明図である。
２：基台、４：基ブーム、Ａ：多段ブー・ム、６：補助
ブーム、１１：ウィンチドラム、１３：ロープ、１４：
折り返し案内具、１７：案内具、Ｃ：筒部、ａ：フック
、９：副フックブロック、２０：ストッパー。FIG. 1 is a side view of a crane showing one embodiment of the present invention;
FIG. 2 is an explanatory diagram of the operation of the present invention. 2: Base, 4: Basic boom, A: Multi-stage boom, 6: Auxiliary boom, 11: Winch drum, 13: Rope, 14:
Folding guide tool, 17: Guide tool, C: Cylindrical section, a: Hook, 9: Sub-hook block, 20: Stopper.
Claims (1)
鏡式に嵌挿して形成される多段ブーム、この多段ブーム
内に内挿又は基ブームの横側面に折り畳み格納されると
共に使用時には多段ブームの先端に継ぎ足して使用され
る補助ブーム、前記基ブームの後方の基台上に設けたウ
ィンチドラム、このウィンチドラムから引きしたロープ
を、前記補助ブームの格納時には、基ブームの先端側へ
引き出して基ブームの先端部又は補助ブームの基端部に
設けた折り返し案内具にて折り返して基ブーｌ、の基端
部又は補助ブームの先端部に設けた案内具を経過せしめ
、さらにこのロープ先端を筒部を有しこの筒部の下方に
フックを配しこのフックを前記基台に揺動自在に支持せ
しめてなる副フックブロックの前記筒部内にて回動自在
に止着せしめてこの副フックブロックを基ブームの起仰
と共に時計回りの方向に回動せしめ、この回動量が一定
量に達したときには、この副フックブロックヲ基台に設
けたストッパーに当接せしめて副フックブロックの回動
を規制し、これ以上の基ブームの回動においては、ロー
プが前記筒部にて屈折するよ、 うにしたことを特徴
とする補助ブーム用ロープの弛緩防止装置。A multi-stage boom formed by telescopically inserting a boom cylinder into a base boom that is supported on a base so that it can be raised and lowered freely.The multi-stage boom is inserted into this multi-stage boom or folded and stored on the side surface of the base boom, and when in use, the multi-stage boom is An auxiliary boom that is used as an addition to the tip of the base boom, a winch drum installed on the base behind the base boom, and a rope pulled from the winch drum that is pulled out to the front end of the base boom when the auxiliary boom is stored. The rope is folded back by the folding guide provided at the tip of the base boom or the base of the auxiliary boom, and passed through the guide provided at the base of the base boom or the tip of the auxiliary boom, and then the tip of the rope is folded back. The secondary hook is fixed rotatably within the cylindrical portion of a sub-hook block which has a cylindrical portion, a hook is disposed below the cylindrical portion, and the hook is swingably supported on the base. The block is rotated clockwise as the base boom is raised, and when the amount of rotation reaches a certain amount, the sub-hook block is brought into contact with a stopper provided on the base, and the sub-hook block is rotated. A device for preventing loosening of a rope for an auxiliary boom, wherein the rope is bent at the cylindrical portion when the base boom rotates further.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18422082U JPS5988093U (en) | 1982-12-03 | 1982-12-03 | Auxiliary boom rope loosening prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18422082U JPS5988093U (en) | 1982-12-03 | 1982-12-03 | Auxiliary boom rope loosening prevention device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5988093U true JPS5988093U (en) | 1984-06-14 |
| JPS6323431Y2 JPS6323431Y2 (en) | 1988-06-27 |
Family
ID=30398497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18422082U Granted JPS5988093U (en) | 1982-12-03 | 1982-12-03 | Auxiliary boom rope loosening prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5988093U (en) |
-
1982
- 1982-12-03 JP JP18422082U patent/JPS5988093U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6323431Y2 (en) | 1988-06-27 |
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