JPS6247474U

JPS6247474U -

Info

Publication number: JPS6247474U
Application number: JP14101085U
Authority: JP
Priority date: 1985-09-12
Filing date: 1985-09-12
Publication date: 1987-03-24

Description

[Brief explanation of the drawing]

第１〜４図は本考案の一実施例としての車両用
操向装置を示すもので、第１図はその模式的な平
面図、第２図はその作用を説明するために第１お
よび第２の油圧シリンダ装置を拡大して示す模式
的な平面図、第３図はその車輪の操向を行なうた
めの機構を拡大して示す模式的な平面図、第４図
は同機構の要部を拡大して示す斜視図であり、第
５〜７図は従来の車両用操向装置を示すもので、
第５図は同装置をそなえた車両の側面図、第６図
はその模式的な平面図、第７図はその連動機構を
示す斜視図である。１……門形フレーム、１ａ……上水平フレーム
、１ｂ……下水平フレーム、２……運転室、３…
…ハンドル、４……油圧ポンプ、５……切換弁、
１０ａ……前車輪、１０ｂ……後車輪、１２……
連結ロツド、１４……補正ユニツト、１５……第
１および第２の油圧シリンダ装置、１５ａ……ピ
ストン、１５ｂ……シリンダヘツド側油圧室、１
５ｃ……ロツド側油圧室、１６ａ，１６ｂ……ピ
ン、１７，１８……アーム、１９ａ，１９ｂ，２
０……連結ロツド、２１……油圧配管、２１′…
…連通管、２２……ブラケツト、２４ａ，２４ｂ
……ピン、２６……油タンク。 1 to 4 show a vehicle steering device as an embodiment of the present invention, FIG. 1 is a schematic plan view thereof, and FIG. 2 is an enlarged schematic plan view showing the hydraulic cylinder device of No. 2, FIG. 3 is an enlarged schematic plan view showing the mechanism for steering the wheels, and FIG. FIG. 5 is an enlarged perspective view showing a conventional vehicle steering device, and FIGS. 5 to 7 show a conventional vehicle steering device.
FIG. 5 is a side view of a vehicle equipped with the device, FIG. 6 is a schematic plan view thereof, and FIG. 7 is a perspective view showing the interlocking mechanism. 1...Portal frame, 1a...Upper horizontal frame, 1b...Lower horizontal frame, 2...Driver's cab, 3...
...Handle, 4...Hydraulic pump, 5...Switching valve,
10a...Front wheel, 10b...Rear wheel, 12...
Connection rod, 14... Correction unit, 15... First and second hydraulic cylinder devices, 15a... Piston, 15b... Cylinder head side hydraulic chamber, 1
5c... Rod side hydraulic chamber, 16a, 16b... Pin, 17, 18... Arm, 19a, 19b, 2
0... Connection rod, 21... Hydraulic piping, 21'...
...Communication pipe, 22...Bracket, 24a, 24b
...Pin, 26...Oil tank.

Claims

[Scope of utility model registration request]

In a vehicle configured to have a gate-shaped cross section to form a cargo handling space inside, first and second hydraulic cylinder devices for steering are respectively attached to wheels on both sides, and these hydraulic cylinder devices and a hydraulic power source connected via a switching valve, one of a pair of hydraulic chambers formed on both sides of the piston in the first and second hydraulic cylinder devices, respectively, is connected to the switching valve. and the other of the pair of hydraulic chambers is connected to each other via a communication pipe,
Vehicle steering device.