JPH02101836U

JPH02101836U -

Info

Publication number: JPH02101836U
Application number: JP739789U
Authority: JP
Priority date: 1989-01-24
Filing date: 1989-01-24
Publication date: 1990-08-14

Description

[Brief explanation of the drawing]

第１図はこの考案にかかる旋回縮小装置をそな
えた油圧シヨベルの側面図、第２図は第１図のＤ
部詳細図、第３図は第２図のＥより見た正面図、
第４図は第２図のＦ―Ｆ断面図、第５図はこの考
案の旋回縮小装置を標準仕様にしている油圧シヨ
ベルの側面図、第６図は第５図のＧ部詳細図、第
７図は従来技術旋回縮小装置をそなえた油圧シヨ
ベルの側面図、第８図は第７図のＣ―Ｃ断面図で
ある。１，１４……旋回縮小装置、３，１５……上部
旋回体、４……作業アタツチメント、６……ブー
ムシリンダ、７，２２……ブラケツト部材、１０
……基端部、１６……メインフレーム、１７……
基板、１８……リンク部材、２１……くさび部材
、２３……係止板。 Figure 1 is a side view of a hydraulic excavator equipped with the swing reduction device according to this invention, and Figure 2 is the D shown in Figure 1.
Detailed view of the part, Figure 3 is a front view seen from E in Figure 2,
Fig. 4 is a sectional view taken along line FF in Fig. 2, Fig. 5 is a side view of a hydraulic excavator that uses the swing reduction device of this invention as a standard specification, Fig. 6 is a detailed view of section G in Fig. 5, and Fig. 6 is a detailed view of section G in Fig. 5. FIG. 7 is a side view of a hydraulic excavator equipped with a conventional swing reduction device, and FIG. 8 is a sectional view taken along line CC in FIG. 1, 14... Swing reduction device, 3, 15... Upper revolving structure, 4... Work attachment, 6... Boom cylinder, 7, 22... Bracket member, 10
...Proximal end, 16... Main frame, 17...
Substrate, 18... Link member, 21... Wedge member, 23... Locking plate.

Claims

[Scope of utility model registration request]

In a hydraulic excavator in which a work attachment is attached to the front part of the upper revolving body and the boom of the work attachment can be raised and lowered by a boom cylinder, a link member is provided on the front side of the main frame for the upper revolving body. The lower pin hole is rotatably supported in the front and back direction on a bracket member provided on the upper rotating body base plate, and the base end of the boom cylinder is connected to the upper pin hole of the link member. A locking plate is installed upright on the board on the front side of the component, and when the work attachment is in standard specification, a wedge member is inserted between the rear surface of the locking plate and the link member, and when the swing reduction specification is used, the wedge member is inserted into the main frame. A swing reduction device for a hydraulic excavator, characterized in that it is configured to be inserted between a front portion and a link member.