JPS63198640U

JPS63198640U -

Info

Publication number: JPS63198640U
Application number: JP8975487U
Authority: JP
Priority date: 1987-06-10
Filing date: 1987-06-10
Publication date: 1988-12-21

Description

[Brief explanation of the drawing]

第１図は本考案の実施例である要部の側面図、
第２図は第１図の外側面図、第３図はバツクホー
の側面図、第４図は第１図の一部の平面図、第５
図は第１図の一部の側断面図、第６図は作動説明
図、第７図は第３図の作動説明図、第８図はブー
ムシリンダの部分の側面図、第９図は第８図の左
側面図、第１０図は第９図の分解図、第１１図は
第１０図の一部の側断面図、第１２図はブームの
先端側部分の一部を破断した側面図、第１３図は
第１２図の一部の平断面図を示す。Ａ：ターニングフレーム、Ｂ：作業機、１：運
転席、２：クローラ、３：ブラケツト、４：ブー
ム、５：ブームシリンダ、６：支持枠、７：支持
ブラケツト、８：油圧シリンダ。 Figure 1 is a side view of the main parts of an embodiment of the present invention;
Figure 2 is an external side view of Figure 1, Figure 3 is a side view of the backhoe, Figure 4 is a plan view of a portion of Figure 1, and Figure 5 is a partial plan view of Figure 1.
The figures are a side sectional view of a part of Fig. 1, Fig. 6 is an explanatory diagram of the operation, Fig. 7 is an explanatory diagram of the operation of Fig. 3, Fig. 8 is a side view of the boom cylinder part, and Fig. 9 is an explanatory diagram of the operation. Fig. 8 is a left side view, Fig. 10 is an exploded view of Fig. 9, Fig. 11 is a side sectional view of a part of Fig. 10, and Fig. 12 is a partially cutaway side view of the tip side of the boom. , FIG. 13 shows a plan sectional view of a portion of FIG. 12. A: Turning frame, B: Work equipment, 1: Driver's seat, 2: Crawler, 3: Bracket, 4: Boom, 5: Boom cylinder, 6: Support frame, 7: Support bracket, 8: Hydraulic cylinder.

Claims

[Scope of utility model registration request]

A boom 4 of a working machine B is rotatably mounted on a bracket 3 connected to the front end side of a turning frame A which is equipped with a driver's seat 1 and can rotate above both crawlers 2, with a boom cylinder 5 interposed therebetween. In a backhoe, etc., which has a fixed construction, the rear part of a support bracket 7 is rotatably connected to a support frame 6 fixed to the inside of the front part of the turning frame A. The bracket 3 is connected to the front part of the support bracket 7,
A working machine support device characterized in that an upper part of a vertical hydraulic cylinder 8 installed inside a turning frame A is connected to an intermediate portion of the support bracket 7.