JPS61163291U - - Google Patents
Info
- Publication number
- JPS61163291U JPS61163291U JP4779085U JP4779085U JPS61163291U JP S61163291 U JPS61163291 U JP S61163291U JP 4779085 U JP4779085 U JP 4779085U JP 4779085 U JP4779085 U JP 4779085U JP S61163291 U JPS61163291 U JP S61163291U
- Authority
- JP
- Japan
- Prior art keywords
- sensing body
- hoisting rope
- arm
- alarm circuit
- overwinding
- 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
- 239000012212 insulator Substances 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の一実施例を示すリレー警報回
路を備えたブーム先端部の側面図、第２図は従来
例を示すブーム先端部の斜視図、第３図は従来例
における巻上ロープの絡みつき状態を示すブーム
先端部の側面図である。
Fig. 1 is a side view of the tip of the boom equipped with a relay alarm circuit showing an embodiment of the present invention, Fig. 2 is a perspective view of the tip of the boom showing a conventional example, and Fig. 3 is a hoisting rope in the conventional example. FIG. 3 is a side view of the tip of the boom showing a tangled state.
Claims (1)
着し、その感知体をトツプシーブから垂下した巻
上ロープに当接させ、その巻上ロープに対して前
記アームを傾斜させると共に、その他端側をブー
ムに支持させ、この状態において前記感知体に接
続した電線を介してリレー警報回路に接続し、過
巻時のフツクブロツクを前記アームに衝突させる
ことにより、感知体と巻上ロープとを離脱させ、
前記リレー警報回路を作動させるようにしたこと
を特徴とするクレーンの過巻防止装置。 A sensing body is fixed to one end of an arm formed of an insulator, the sensing body is brought into contact with a hoisting rope hanging down from a top sheave, the arm is tilted with respect to the hoisting rope, and the other end is Supported by a boom, in this state, connected to a relay alarm circuit via an electric wire connected to the sensing body, and causing a hook block during overwinding to collide with the arm, thereby separating the sensing body and the hoisting rope,
An overwinding prevention device for a crane, characterized in that the relay alarm circuit is activated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4779085U JPS61163291U (en) | 1985-03-30 | 1985-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4779085U JPS61163291U (en) | 1985-03-30 | 1985-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61163291U true JPS61163291U (en) | 1986-10-09 |
Family
ID=30563439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4779085U Pending JPS61163291U (en) | 1985-03-30 | 1985-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61163291U (en) |
-
1985
- 1985-03-30 JP JP4779085U patent/JPS61163291U/ja active Pending
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