JPS59170407U

JPS59170407U - Elevation control mechanism of ground work vehicle

Info

Publication number: JPS59170407U
Application number: JP6532483U
Authority: JP
Inventors: 賢町田; 長谷川　繁一
Original assignee: 株式会社クボタ
Priority date: 1983-04-30
Filing date: 1983-04-30
Publication date: 1984-11-14
Also published as: JPH0132807Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図面は本考案に係る対地作業車の昇降制御機構の実施例
を示し、第１図は乗用型耕耘機の要部の側面図、第２図
はバルブ操作部の分解斜視図、第３図は制御機構を示す
斜視図、第４図は要部の断面図、第５図は作用説明図で
あり、イは、接地センサが最高対地レベルを検出した状
態を示す側面図、口は、耕深設定レバーで強制上昇操作
させた状態を示す側面図、第６図も作用説明図であり、
イはフローティング状態を示す側面図、口は自動耕深制
御状態を示す側面図、第７図は変形例の要部の斜視図、
第８図は第７図の要部の側面図である。４・・・対地作業装置、５・・・油圧アクチュエータ、
１０・・・ケース、１１・・・コントロールバルブ、１
５・・・突出操作軸、１８・・・対地レベル設定レバー
、１９・・・接地センサ、２５・・・弾機、２６・・・
バルブ操作アーム、２７ａ、　２７ｂ−・・固定板、２
９ａ。２９ｂ・・・摩擦板、３１・・・支持部材、３４・・・
回り止め部材、３６・・・リンク、４Ｂ・・・０−リン
グ。第１図、　　　　　　第４図The drawings show an embodiment of the elevation control mechanism for a ground work vehicle according to the present invention, in which Fig. 1 is a side view of the main parts of the riding cultivator, Fig. 2 is an exploded perspective view of the valve operating section, and Fig. 3 is an exploded perspective view of the valve operating section. Fig. 4 is a perspective view showing the control mechanism, Fig. 4 is a sectional view of the main part, Fig. 5 is an explanatory diagram of the operation, A is a side view showing the state in which the ground sensor has detected the highest ground level, and the opening shows the plowing depth. A side view showing a state in which the setting lever is forcibly raised, and FIG. 6 is also an explanatory diagram of the operation.
A is a side view showing the floating state, mouth is a side view showing the automatic plowing depth control state, and FIG. 7 is a perspective view of the main parts of the modified example.
FIG. 8 is a side view of the main part of FIG. 7. 4... Ground work device, 5... Hydraulic actuator,
10...Case, 11...Control valve, 1
5...Protruding operation shaft, 18...Ground level setting lever, 19...Ground sensor, 25...Munition machine, 26...
Valve operation arm, 27a, 27b--Fixing plate, 2
9a. 29b...Friction plate, 31...Supporting member, 34...
Rotating member, 36...link, 4B...0-ring. Figure 1, Figure 4

Claims

[Scope of utility model registration request]

A ground work device 44 is connected to the traveling aircraft via a hydraulic actuator 5 so as to be able to be driven up and down, and the operating shaft 15 of the hydraulic actuator 5 for the control valve 11 is sealed outward from the case 10 via an O-ring 18. A valve operating arm 26 which is rotatably protruded in the state and is integrally rotatably attached to the protruding operating shaft 15 and a link 36 which is pivotally connected to the ground level setting lever 18 which can be swung and fixed are linked. , the rocking ground sensor 19 for detecting the ground level of the working device 4 is linked with the link 36, and the control valve 11 is switched by the swinging of the sensor 19, and the ground level of the working device 4 is A lifting control mechanism for a ground work vehicle configured to maintain a level within a set range, the setting lever 1
B is loosely fitted onto the protruding operating shaft 15, and the protruding operating shaft 15
, a fixing plate 2 for frictionally fixing the setting lever 18;
7a, 27b and friction plates 29a, 29b, a support member 3 is attached with a bullet 25 that applies a frictional force, and rotatably supports the proximal end side of the protruding operation shaft 15.
1 to the case 10, and the fixing plate 27
a, 27b and prevents rotation of the support member 31 in a state parallel to the operation shaft 15.
Elevation control mechanism for ground work vehicles, which is installed protruding from the ground.