JPH0218546U

JPH0218546U -

Info

Publication number: JPH0218546U
Application number: JP9629788U
Authority: JP
Priority date: 1988-07-19
Filing date: 1988-07-19
Publication date: 1990-02-07
Anticipated expiration: 2003-07-19
Also published as: JPH0752184Y2

Description

[Brief explanation of drawings]

第１図はこの考案にかかるフロントアタツチメ
ントを装着した油圧シヨベルの側面図、第２図は
フロントブームの側面図、第３図は第２図のＡよ
り見た図、第４図はロングアタツチメントを装着
した油圧シヨベルの側面図、第５図は第４図のロ
ングアタツチメントの中継ブームを取外した場合
の油圧シヨベルの側面図、第６図はバツクホウア
タツチメントを装着した油圧シヨベルの側面図で
ある。１…ロングアタツチメント、２…油圧シヨベル
、５…メインブーム、８…ブームトツプ、９…破
砕機、１０，１５…アーム、１２…アームシリン
ダ、１３…バツクホウアタツチメント、１６…バ
ケツト、１７…フロントアタツチメント、１８…
フロントブーム、１９…ブラケツト、２２…後部
ブラケツト。 Figure 1 is a side view of a hydraulic excavator equipped with a front attachment according to this invention, Figure 2 is a side view of the front boom, Figure 3 is a view from A in Figure 2, and Figure 4 is a long Figure 5 is a side view of the hydraulic excavator with the attachment attached. Figure 5 is a side view of the hydraulic excavator with the relay boom of the long attachment in Figure 4 removed. Figure 6 is the side view of the hydraulic excavator with the backhoe attachment attached. It is a side view of a hydraulic excavator. 1...Long attachment, 2...Hydraulic shovel, 5...Main boom, 8...Boom top, 9...Crusher, 10, 15...Arm, 12...Arm cylinder, 13...Backhoe attachment, 16...Bucket, 17 ...Front attachment, 18...
Front boom, 19...bracket, 22...rear bracket.

Claims

[Scope of utility model registration request]

In a front attachment in which a main boom, a relay boom, and a boom top are connected to the front part of a hydraulic excavator, and an arm and a work tool are attached to the tip thereof, the main boom is attached to the front part of a hydraulic excavator,
The rear end of the front boom is fixedly provided at the front end of the main boom, the front boom is formed so that the front boom can be connected to the base end boss of the backhoe arm, and the arm is attached to the back of the upper surface of the front boom. When a cylinder mounting bracket is erected and a bucket is attached to the tip of the arm when carrying out backhoe work, the base end boss of the arm is pivoted to the tip of the front boom, and the rear bracket of the arm and the front A front attachment for a hydraulic excavator, characterized in that it is configured to be connectable to a bracket on the back of the upper surface of the boom via an arm cylinder.