JPS62178811U - - Google Patents
Info
- Publication number
- JPS62178811U JPS62178811U JP6898186U JP6898186U JPS62178811U JP S62178811 U JPS62178811 U JP S62178811U JP 6898186 U JP6898186 U JP 6898186U JP 6898186 U JP6898186 U JP 6898186U JP S62178811 U JPS62178811 U JP S62178811U
- Authority
- JP
- Japan
- Prior art keywords
- top link
- stopping
- extension
- operating
- linkage mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Agricultural Machines (AREA)
Description
図面は本考案の一実施例を示し、第１図乃至第
３図の各図は異なる作動状態を示す側面図、第４
図はトツプリンクの斜視図、第５図はリミツトス
イツチやその作動片等を示す側面図、第６図は油
圧回路図、第７図は制御回路図である。
１……トラクタ、４……作業機昇降用油圧装置
、８……ロータリ式溝掘機、９……トツプリンク
、１０……ロアリンク、１１……３点リンク機構
、２４……ゲージロツド、２５……作動片、２６
……固定ボルト、２８……リミツトスイツチ、２
９……電磁弁、３９，４０……第１・第２スイツ
チ。
The drawings show one embodiment of the present invention, and each of the figures 1 to 3 is a side view showing different operating states, and the figure 4 is a side view showing an embodiment of the present invention.
The figure is a perspective view of the top link, FIG. 5 is a side view showing the limit switch and its operating pieces, etc., FIG. 6 is a hydraulic circuit diagram, and FIG. 7 is a control circuit diagram. DESCRIPTION OF SYMBOLS 1...Tractor, 4...Hydraulic system for lifting and lowering work equipment, 8...Rotary trench excavator, 9...Top link, 10...Lower link, 11...3-point link mechanism, 24...Gauge rod, 25 ...actuating piece, 26
... Fixing bolt, 28 ... Limit switch, 2
9... Solenoid valve, 39, 40... First and second switches.
Claims (1)
対のロアリンクとから成る３点リンク機構を介し
て、作業機を昇降自在に装着したものにおいて、 トツプリンクを油圧シリンダにより構成し、ト
ツプリンクを伸縮操作する操作装置と、操作装置
によるトツプリンクの伸長操作時においてトツプ
リンクが所定長さになつた際にトツプリンクの伸
長を停止させる停止装置と、停止装置が作動する
際のトツプリンクの長さを変更する変更手段とを
備えたことを特徴とする３点リンク機構における
トツプリンクの伸縮装置。[Scope of Claim for Utility Model Registration] A work implement is attached to a tractor so that it can be raised and lowered via a three-point linkage mechanism consisting of a central top link and a pair of left and right lower links, where the top link is connected to a hydraulic cylinder. an operating device for extending and contracting the top link; a stopping device for stopping the extension of the top link when the top link reaches a predetermined length when the operating device is operating the top link; and the stopping device is activated. 1. A top link extension/retraction device in a three-point linkage mechanism, characterized in that it is provided with a changing means for changing the length of the top link when the top link is moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6898186U JPS62178811U (en) | 1986-05-07 | 1986-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6898186U JPS62178811U (en) | 1986-05-07 | 1986-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62178811U true JPS62178811U (en) | 1987-11-13 |
Family
ID=30909296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6898186U Pending JPS62178811U (en) | 1986-05-07 | 1986-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62178811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1585865B1 (en) * | 2002-12-30 | 2018-11-14 | Staffan Schager | A loader for agricultural tractors |
-
1986
- 1986-05-07 JP JP6898186U patent/JPS62178811U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1585865B1 (en) * | 2002-12-30 | 2018-11-14 | Staffan Schager | A loader for agricultural tractors |