JPS59127094U

JPS59127094U - Tower crane swing lever

Info

Publication number: JPS59127094U
Application number: JP1943283U
Authority: JP
Inventors: 伊達　謙一郎; 小村　利夫
Original assignee: 日立建機株式会社
Priority date: 1983-02-15
Filing date: 1983-02-15
Publication date: 1984-08-27

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図乃至第３図は従来のスイングレバーの一例を示し
、第１図はスイングレバーを備えたタワークレーンの側
面図、第２図は第１図のスイングレバーの詳細構造を示
す側面図、第３図は輸送姿勢を示す側面図である。第４
図及び第５図は本考案のタワークレーンのスイングレバ
ーの一実施例を示し、第４図はスイングレバーの側面図
、第５図は輸送姿勢のスイングレバーの側面図である。１４・・・前脚、１５・・・後脚、１６・・・ステ＝、
１６Ａ・・・第１ステー、１６Ｂ・・・第２ステー、１
８゜１９．２０，２１，２２．２３・・・ピン。 −第４図第５図1 to 3 show an example of a conventional swing lever, FIG. 1 is a side view of a tower crane equipped with a swing lever, and FIG. 2 is a side view showing the detailed structure of the swing lever in FIG. FIG. 3 is a side view showing the transportation attitude. Fourth
5 and 5 show an embodiment of the swing lever of the tower crane of the present invention, FIG. 4 is a side view of the swing lever, and FIG. 5 is a side view of the swing lever in the transportation position. 14...front legs, 15...back legs, 16...ste=,
16A...first stay, 16B...second stay, 1
8゜19.20, 21, 22.23...pin. -Figure 4Figure 5

Claims

[Scope of utility model registration request]

A swing of a tower crane that forms a triangle by connecting the ends of the front legs, rear legs, and stays, and can connect pendant ropes to the joints between the stays and the front legs and the joints between the stays and the rear legs, respectively. In the lever, the front leg and the rear leg are rotatably connected, the stay is divided into two, a first stay and a second stay, and one end of each stay is rotatably connected to the front leg and the rear leg with a pin, The other ends are rotatably connected with a pin, and a fixing device that stops the rotation of both stays is made removable, and by removing the fixing device, the first
It can be folded using four points as fulcrums: the pin at the joint between the stay and the second stay, the two connecting pins between the front leg, the rear leg and the first stay and the second stay, and the joint between the front leg and the rear leg. Features a tower crane swing lever.