JPH0243776U

JPH0243776U -

Info

Publication number: JPH0243776U
Application number: JP12387888U
Authority: JP
Priority date: 1988-09-20
Filing date: 1988-09-20
Publication date: 1990-03-26

Description

[Brief explanation of drawings]

第１図はこの考案にかかる支持装置をそなえた
油圧シヨベルの一部切欠き後面図、第２図は第１
図のＡ部詳細図、第３図はリンク部材の正面図、
第４図はリンク部材、ガイドピンなどを取外した
状態のキヤブ後面図、第５図は第２図のＢより見
た図、第６図は油圧シヨベルの側面図、第７図は
従来技術運転室の要部断面図、第８図は緩衝支持
体の断面詳細図である。４，４′……上部旋回体、６，１７……キヤブ
、９，１０……緩衝支持体、１１，１９……フレ
ーム、１６……支持装置、１８……後面板、２０
……基板、２１，２２……ブラケツト部材、２３
……リンク部材、２４……ガイドピン、２５……
長穴部、２９……ガイド溝穴部。 Figure 1 is a partially cutaway rear view of a hydraulic excavator equipped with a support device according to this invention, and Figure 2 is a rear view of a hydraulic excavator equipped with a support device according to this invention.
Detailed view of part A in the figure, Figure 3 is a front view of the link member,
Figure 4 is a rear view of the cab with link members, guide pins, etc. removed, Figure 5 is a view seen from B in Figure 2, Figure 6 is a side view of the hydraulic excavator, and Figure 7 is conventional technology operation. A sectional view of the main part of the chamber, and FIG. 8 is a detailed sectional view of the buffer support. 4, 4'... Upper revolving body, 6, 17... Cab, 9, 10... Buffer support body, 11, 19... Frame, 16... Support device, 18... Rear plate, 20
...Substrate, 21, 22...Bracket member, 23
...Link member, 24...Guide pin, 25...
Elongated hole part, 29...Guide slot part.

Claims

[Scope of utility model registration request]

In a construction machine in which buffer supports are arranged at multiple locations in the cab mounting position for the driver's cab, and the cab is attached to the upper revolving structure via the plurality of buffer supports, the upper revolving structure near the outside of the rear face plate of the cab is used. A board is erected on the frame, a guide slot is vertically bored in the board, a pair of left and right bracket members are erected on the frame with the board as the center, and a pair of left and right bracket members are erected on the frame, and a pair of bracket members are installed on the frame on the outside of the rear panel of the cab. A pair of left and right bracket members are fixedly provided on the left and right sides, and a pair of link members are formed, and an elongated hole is bored in the longitudinal direction of the link member near the center of each of the link members. Both ends of the link members are pivoted to a pair of bracket members provided on the rear panel of the cab and the frame, respectively, with the links intersecting in an X-shape, and the guide slots of the board and the elongated holes of both link members are connected to each other. 1. A support device for a cab, characterized in that a guide pin is provided that penetrates through the cab, and the guide pin is configured to be able to slide along a guide groove portion of a substrate when the cab vibrates while the construction machine is running.