JPH0426249U

JPH0426249U -

Info

Publication number: JPH0426249U
Application number: JP6749990U
Authority: JP
Priority date: 1990-06-25
Filing date: 1990-06-25
Publication date: 1992-03-02

Description

[Brief explanation of the drawing]

第１図はこの考案にかかる請求項第１項のドー
ザ装置を装備した油圧シヨベルの側面図、第２図
は第１図における排土板付近を示す要部斜視図、
第３図は第１図におけるドーザ装置の実施例を示
す側面図、第４図及び第５図はこの考案にかかる
請求項第１項の他実施例ドーザ装置を示す側面図
、第６図はこの考案にかかる請求項第２項のドー
ザ装置を装備した油圧シヨベルの要部斜視図、第
７図は第６図におけるドーザ装置を示す側面図、
第８図はこの考案にかかる請求項第３項のドーザ
装置を示す側面図、第９図は従来技術のドーザ装
置を装備した油圧シヨベルの側面図である。１，１３Ａ，１３′Ａ，１３Ｂ，１３′Ｂ……
ドーザ装置、２，１４Ａ，１４′Ａ，１４Ｂ……
油圧シヨベル、４，１６Ａ，１６Ｂ……フレーム
、６，１９……作業アタツチメント、９，２２…
…バケツト、１０，２４……排土板、１１，２５
，２５′……アーム、２３……爪、２６……引掛
部、２７……ばねシリンダ、３３……ばね部材、
３４……ロツクバー、３５，３８……ブラケツト
、３６，３９，４０……ピン穴。 FIG. 1 is a side view of a hydraulic excavator equipped with a dozer device according to claim 1 according to this invention, and FIG. 2 is a perspective view of a main part showing the vicinity of the earth removal plate in FIG. 1.
FIG. 3 is a side view showing an embodiment of the dozer device shown in FIG. 1, FIGS. 4 and 5 are side views showing another embodiment of the dozer device according to claim 1, and FIG. A perspective view of a main part of a hydraulic excavator equipped with a dozer device according to claim 2 according to this invention; FIG. 7 is a side view showing the dozer device in FIG. 6;
FIG. 8 is a side view showing a dozer device according to claim 3 of this invention, and FIG. 9 is a side view of a hydraulic excavator equipped with a conventional dozer device. 1, 13A, 13'A, 13B, 13'B...
Dozer device, 2, 14A, 14'A, 14B...
Hydraulic excavator, 4, 16A, 16B... Frame, 6, 19... Work attachment, 9, 22...
...Bucket, 10,24...Earth removal board, 11,25
, 25'... Arm, 23... Claw, 26... Hook portion, 27... Spring cylinder, 33... Spring member,
34... Lock bar, 35, 38... Bracket, 36, 39, 40... Pin hole.

Claims

[Scope of Claim for Utility Model Registration] (1) In a hydraulic excavator that is equipped with a working attachment consisting of a boom, an arm, and a bucket connected to the front part of the machine, and also has a soil removal plate that can freely rotate in the vertical direction. , a spring structure is provided between the machine body and the earth removal plate, and the spring force of the spring structure is set so that the lower edge of the earth removal plate is located within a predetermined height range above the ground, and the hydraulic excavator A dozer device for a hydraulic excavator, characterized in that when performing dozer work in a hydraulic excavator, the earth removal plate is rotated in the vertical direction by hooking a bucket to the earth removal plate and operating a work attachment. . (2) In the dozer device for a hydraulic excavator as described in claim 1 of the utility model registration claim, a bracket is provided on each of the machine body and the earth removal plate, and the lower edge of the earth removal plate is lowered to the same height as the ground, A dozer device for a hydraulic excavator, characterized in that a lock bar is attached between the two brackets so that the earth removal plate is used in place of an outrigger. (3) Scope of Utility Model Registration In the dozer device for a hydraulic excavator as set forth in claim 1, brackets are provided on the machine body and the earth removal plate, and a lock bar is installed between the two brackets when the earth removal plate is not used. A dozer device for a hydraulic excavator, characterized in that the earth removal plate is configured to be fixed at a required height position.