JPH0386152U

JPH0386152U -

Info

Publication number: JPH0386152U
Application number: JP14642889U
Authority: JP
Priority date: 1989-12-19
Filing date: 1989-12-19
Publication date: 1991-08-30
Anticipated expiration: 2004-12-19
Also published as: JPH077401Y2

Description

[Brief explanation of the drawing]

第１ａ図は本考案の一実施例を示す油圧シヨベ
ルの一部を切欠いた斜視図、第１ｂ図は同要部の
平面図、第２図は第１ａ図の−線断面図、第
３図は第１ａ図の−線断面図、第４図は水平
地における油圧シヨベルの状態を示す要部側面図
、第５図は第１ｂ図の−線断面図、第６図は
傾斜地における油圧シヨベルの状態を示す側面図
、第７図は第６図の−線断面図、第８ａ図は
従来の傾斜地での掘削ダンプ高さを説明する図、
第８ｂ図は従来の水平地のダンプトラツクに積込
む場合のダンプ高さを説明する図、第８ｃ図は本
考案の上部旋回体が水平に保持されて積込む場合
のダンプ高さを示す図、第９ａ図は従来の建設機
械の傾斜地走行状態を示す図、第９ｂ図は本考案
の一実施例の上部旋回体が水平に保持されて傾斜
地を走行する状態を示す図、第１０図は従来の傾
動装置を示す背面図である。１……油圧シヨベル、１Ａ……上部旋回体、１
Ｂ……下部走行体、１ｃ……旋回部、２……車体
フレーム、３……トラツクフレーム、６……傾動
フレーム、６ａ……上段部、６ｂ……傾斜部、６
ｃ……下段部、７……クツシヨンシリンダ、７ｂ
……ロツド、７ｃ……スプリング、７ｅ……ピス
トン、７ｆ……クツシヨン室、７ｇ……シリンダ
、７ｉ……緩衝材、１０……傾動シリンダ、２０
……走行装置、１２……架台、１４……上部架台
、１５……傾動ピン、１６……下部架台。 Fig. 1a is a partially cutaway perspective view of a hydraulic excavator showing an embodiment of the present invention, Fig. 1b is a plan view of the main part, Fig. 2 is a cross-sectional view taken along the - line of Fig. 1a, and Fig. 3 1a is a sectional view taken along the - line in Fig. 1a, Fig. 4 is a side view of main parts showing the state of the hydraulic excavator on a level ground, Fig. 5 is a sectional view taken along the - line in Fig. 1b, and Fig. 6 is a sectional view of the hydraulic excavator on a slope. A side view showing the state, FIG. 7 is a cross-sectional view taken along the - line in FIG. 6, and FIG. 8a is a diagram explaining the height of a conventional excavation dump on a slope.
Figure 8b is a diagram illustrating the height of a dump truck when loading onto a conventional dump truck on a horizontal ground, and Figure 8c is a diagram showing the height of a dump truck when loading with the revolving superstructure of the present invention held horizontally. , FIG. 9a is a diagram showing a state in which a conventional construction machine is running on a slope, FIG. 9b is a diagram showing a state in which an upper revolving body according to an embodiment of the present invention is held horizontally and traveling on a slope, and FIG. FIG. 2 is a rear view showing a conventional tilting device. 1... Hydraulic excavator, 1A... Upper revolving structure, 1
B...lower traveling body, 1c...swivel part, 2...body frame, 3...truck frame, 6...tilting frame, 6a...upper section, 6b...slanting part, 6
c...Lower section, 7...Cushion cylinder, 7b
...Rod, 7c...Spring, 7e...Piston, 7f...Cushion chamber, 7g...Cylinder, 7i...Buffer material, 10...Tilt cylinder, 20
...Traveling device, 12... mount, 14... upper mount, 15... tilting pin, 16... lower mount.

Claims

[Scope of Claim for Utility Model Registration] (1) In a construction machine consisting of an upper revolving body and a lower traveling body, a pair of separated and independent running devices on the left and right that constitute the lower traveling body, and a track frame and an upper part of the traveling device. a frame on which a vehicle body frame supporting a revolving body is pivotally supported so as to be tiltable in the forward direction; a pair of tilting frames located at the front and rear of the vehicle body frame and pivotally connected to the vehicle body frame and the truck frame, respectively; A tilting device for a construction machine, comprising a tilting cylinder that connects an upper surface of an inclined portion and the vehicle body frame. (2) In the first claim, the tilting frame includes: a lower part pivotally connected to the vehicle body frame; an upper part pivotally connected to the truck frame; and an inclined part connecting the upper part and the lower part. A tilting device for a construction machine, wherein one end of the tilting cylinder is pivotally attached to an upper surface of the tilting portion. (3) The tilting device for a construction machine according to claim 1, wherein the tilting frame is pivotally connected to the truck frame of the traveling device via a shock absorbing device. (4) In the first claim, the pedestal comprises an upper pedestal fixed to the vehicle frame at left and right positions of the vehicle body, and a lower pedestal fixed to the truck frame, and the upper pedestal and the lower pedestal are tilted. A tilting device for construction machinery, characterized in that the tilting device for construction machinery is pivotally connected with a pin, and the tilting center of the upper rotating body is set relative to the lower traveling body. (5) In the third claim, the shock absorbing device is such that the upper and lower parts of the inclined frame located at the upper part of the truck frame are supported by two pairs of cushion cylinders that are protruded from the upper surface and the inner slope of the truck frame. A tilting device for construction machinery characterized by: (6) In the third claim, the shock absorber comprises a cushion cylinder whose one end is pivotally connected to the back surface of the inclined part of the tilting frame and the other end is pivotally connected to the track frame. Machine tilting device. (7) In the fifth and sixth claims, the first cushion cylinder comprises a spring wound around a rod whose lower end is pivotally connected to the truck frame, and a piston urged upward by the spring. a cylinder having a cushion chamber whose upper end is pivotally connected to a tilting frame and into which the upper end of the piston can move in and out; and a second buffer section comprising a cushioning material filled in the cushion chamber. A tilting device for construction machinery characterized by: