JPS6132192U - Crane auxiliary jib attachment device - Google Patents

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の１実施例の側面図、第２図、第３図は
それぞれ異る状態の側面図、第４図は要部の側面図、第
５図、第６図はそれぞれ他の要部の側面図、正断面図で
ある。 １・・・主ブーム、１７・・・ワイヤー、２３・・・補
助ジブ、２６・・・係止装置、５１・・・係合体、５３
・・・連動装置。Figure 1 is a side view of one embodiment of the present invention, Figures 2 and 3 are side views of different states, Figure 4 is a side view of the main part, and Figures 5 and 6 are different views. FIG. 2 is a side view and a front sectional view of the main parts of DESCRIPTION OF SYMBOLS 1... Main boom, 17... Wire, 23... Auxiliary jib, 26... Locking device, 51... Engaging body, 53
...Interlocking device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 主ブーム１の先端に揺動自在の補助ジブ２３と、前記補
助ジブ２３を複数の揺動位置に係脱自在に係止する係止
装置２６とを設け、前記補助ブーム２３の先端に昇降自
在に懸垂されたワイヤー１７に係合体５１を固着して設
け、前記係合体５１の上昇終末位置付近において、前記
係合体５１に連動して前記係止装置２６を解放せしめる
ための連動装置５３を設けたことを特徴とするクレーン
の補助ジブ取付装置。A swingable auxiliary jib 23 is provided at the tip of the main boom 1, and a locking device 26 that releasably locks the auxiliary jib 23 in a plurality of swinging positions is provided at the tip of the auxiliary boom 23, and is movable up and down. An engaging body 51 is fixedly attached to a wire 17 suspended from the wire 17, and an interlocking device 53 is provided for interlocking with the engaging body 51 to release the locking device 26 near the final rising position of the engaging body 51. A crane auxiliary jib mounting device characterized by: