JPS6318559U

JPS6318559U -

Info

Publication number: JPS6318559U
Application number: JP11262386U
Authority: JP
Priority date: 1986-07-21
Filing date: 1986-07-21
Publication date: 1988-02-06
Also published as: JPH0355596Y2

Description

[Brief explanation of the drawing]

第１図は本考案掘削機でのクレーン作業時の姿
勢を示す側面図、第２図は本考案掘削機での掘削
作業時の姿勢を示す側面図、第３図は従来実施例
におけるクレーン作業時の姿勢を示す側面図、第
４図は従来実施例における掘削作業時の姿勢を示
す側面図である。１……旋回体、３……走行体、１１，１１′…
…ウインチ、１５，１５′……シーブブラケツト
、１６……ブラケツト、１８……シーブブロツク
、２０……アイドラシーブ、２１……シヤツクル
、２５……フツクブロツク。 Fig. 1 is a side view showing the posture of the excavator of the present invention during crane work, Fig. 2 is a side view showing the posture of the excavator of the present invention during excavation work, and Fig. 3 is the crane work of the conventional example. FIG. 4 is a side view showing the posture during excavation work in the conventional embodiment. 1... Revolving body, 3... Traveling body, 11, 11'...
...Winch, 15, 15'... Sheave bracket, 16... Bracket, 18... Sheave block, 20... Idler sheave, 21... Shackle, 25... Hook block.

Claims

[Scope of utility model registration request]

A boom 4 that can be raised freely by a boom cylinder 5 is provided on a revolving body 1 that can freely rotate with respect to a traveling body 3,
An arm 6 is provided at the tip of the boom 4, the tip of which is rotatable in the front and back direction by an arm cylinder 7, and a bucket 8, which is rotated by a bucket cylinder 9, is provided at the tip of the arm 6. In the machine, a winch 11 is installed at the base end of the lower surface of the boom 4 near the middle bending part and at the bottom of the boom 4.
Sheave brackets 15 and 15', which pivotally support idler sheaves 20 and 20 with pins 17 and 17, respectively, are placed near the pivot joints of the arms 6 and 6, and a shaft 21 is provided between the sheave brackets 15 and 15'. Further, a bracket 16 is provided near the tip of the lower surface of the arm 6, and the bracket 16 has a space for attaching the sheave block 18 and the idler sheave 20,
In addition, a bracket is fixed to which the pin 17 that pivotally supports the idler sheave 20 is engaged with a pin having the same diameter, and the winch 1 is secured by the idler sheave 20, 20.
A sheave block 1 guides a wire rope 14 let out along the boom 4 and the arm 6 from the sheave block 1 and is attached to a bracket 16 on the distal end side of the arm 6.
8 and a hook block 25 consisting of a hook 19 and a movable pulley 22, the wire rope 14 has a crane function by tying the end of the wire rope 14 to the sheave block 18 or the hook block 25 to form a multiple hanging pulley system. Hydraulic excavator.