JPH0422550U

JPH0422550U -

Info

Publication number: JPH0422550U
Application number: JP6089290U
Authority: JP
Priority date: 1990-06-07
Filing date: 1990-06-07
Publication date: 1992-02-25

Description

[Brief explanation of the drawing]

第１図は本考案にかかる建設機械の運転室昇降
装置をパワーシヨベルに適用した一実施例を示す
側面図、第２図は第１図の詳細で、請求項１の構
造の一実施例を示す側面図、第３図は第２図の作
動図、第４図は第２図のＡ−Ａ断面図、第５図は
本考案に使用されるジヤツキの一例を示し、ａは
伸長した場合、ｂは縮小した場合、第６図は第２
図の運転室に底面に設けるジヤツキの個数を示し
、ａは２個の場合、ｂは３個の場合のそれぞれの
裏面図、第７図は第１図の他の詳細で、請求項２
の構造の一実施例を示す側面図、第８図は第７図
の作動図、第９図は第７図のＢ−Ｂ断面図、第１
０図は第７図のジヤツキの取り付け状態を示す平
面図、第１１図は従来の昇降装置を有する運転室
の側面図である。１……上部旋回体、２……上部フレーム、３…
…支柱、４……運転室、４ａ……背面、４ｂ……
底面、５……取り付け金具、６……ジヤツキ、６
ａ……可動部先端（ロツド先端）、７……支え材
、８……ケース、９……孔、１０，１１……ピス
トン、１２……支柱、１３……取り付け金具。 Fig. 1 is a side view showing an embodiment in which the cab elevating device for construction machinery according to the present invention is applied to a power shovel, and Fig. 2 is a detail of Fig. 1 and shows an embodiment of the structure of claim 1. A side view, FIG. 3 is an operating view of FIG. 2, FIG. 4 is a sectional view taken along line A-A in FIG. 2, and FIG. 5 shows an example of the jack used in the present invention. When b is reduced, Fig. 6 is the second
The number of jacks provided on the bottom of the driver's cab in the figure is shown, a is a back view of two jacks, b is a back view of three jacks, and FIG. 7 is other details of FIG. 1, and claims 2
8 is a side view showing an example of the structure of FIG. 7, FIG. 9 is a sectional view taken along line B-B in FIG.
0 is a plan view showing a state in which the jack shown in FIG. 7 is attached, and FIG. 11 is a side view of a driver's cab having a conventional lifting device. 1... Upper revolving body, 2... Upper frame, 3...
...Strut, 4...Driver's cab, 4a...Back, 4b...
Bottom, 5... Mounting bracket, 6... Jacket, 6
a... Tip of the movable part (rod tip), 7... Support material, 8... Case, 9... Hole, 10, 11... Piston, 12... Support, 13... Mounting metal fittings.

Claims

[Claims for Utility Model Registration] 1. Cylindrical supports are installed on both sides of the upper frame of the upper revolving body, and mounting brackets that engage with the supports are attached to the back of the driver's cab, and a driver's seat is attached to the bottom of the driver's cab. A driver's cab elevating device for construction machinery, characterized by being equipped with a jack consisting of a telescopic cylinder for elevating the cabin. 2 Cylindrical columns are erected on both sides of the upper frame of the upper revolving body, and the base of a jack consisting of a telescopic cylinder for raising and lowering the driver's cab is attached to the column, and the jack is engaged with the column on the back of the driver's cab. A cab elevating device for a construction machine, characterized in that a mounting bracket is provided, and a tip of the movable part of the jack is attached to a lower end surface of the mounting bracket.