JPS63108454U - - Google Patents
Info
- Publication number
- JPS63108454U JPS63108454U JP20284086U JP20284086U JPS63108454U JP S63108454 U JPS63108454 U JP S63108454U JP 20284086 U JP20284086 U JP 20284086U JP 20284086 U JP20284086 U JP 20284086U JP S63108454 U JPS63108454 U JP S63108454U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- bucket
- limiting
- dumping
- detecting means
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
Description
第１図乃至第５図は本考案の第１実施例を示す
ものであつて、第１図は電気回路図、第２図は全
体の側面図、第３図は指令器の配置図、第４図は
検出部の側面図、第５図は油圧回路図である。第
６図乃至第８図は本考案の第２実施例を示すもの
であつて、第６図は背面図、第７図は断面平面図
、第８図は作用説明図である。第９図乃至第１１
図は他の制御装置を開示するもので、第９図は回
路図、第１０図はバケツトの側面図、第１１図は
検出部の側面図である。
１…トラクタ車体、２…フロントローダ、６…
ブーム、８…バケツトシリンダ、９…バケツト、
２１…検出手段、２２…ブーム制御弁、２５…バ
ケツト制御弁、２８，２９…スイツチ、３０…抵
抗（制限手段）、３３…規制体（制限手段）、３
６…検出杆（検出手段）。
1 to 5 show a first embodiment of the present invention, in which FIG. 1 is an electric circuit diagram, FIG. 2 is an overall side view, FIG. 3 is a layout diagram of a command unit, and FIG. FIG. 4 is a side view of the detection section, and FIG. 5 is a hydraulic circuit diagram. 6 to 8 show a second embodiment of the present invention, in which FIG. 6 is a rear view, FIG. 7 is a cross-sectional plan view, and FIG. 8 is an explanatory view of the operation. Figures 9 to 11
The figures disclose another control device, and FIG. 9 is a circuit diagram, FIG. 10 is a side view of the bucket, and FIG. 11 is a side view of the detection section. 1... Tractor body, 2... Front loader, 6...
Boom, 8...bucket cylinder, 9...bucket cylinder,
21...Detection means, 22...Boom control valve, 25...Bucket control valve, 28, 29...Switch, 30...Resistance (limiting means), 33...Regulating body (limiting means), 3
6...Detection rod (detection means).
Claims (1)
部に、バケツトシリンダ８によりダンプ・スクイ
動作可能なバケツト９を設け、バケツト９のダン
プ速度がスクイ速度よりも速くなるようにバケツ
トシリンダ８を制御するバケツト制御弁２５を備
えたフロントローダにおいて、ブーム６が下降域
Ａにあることを検出する検出手段２１，３６と、
該検出手段２１，３６が働いた時に、バケツト制
御弁２５のダンプ時の開度を制限する制限手段３
０，３３とを備えたことを特徴とするフロントロ
ーダの制御装置。 A bucket 9 capable of dumping and rake operations is provided at the tip of a boom 6 that is pivotally attached to the vehicle body 1 so as to be able to rise and lower. Detecting means 21, 36 for detecting that the boom 6 is in the descending region A;
limiting means 3 for limiting the opening degree of the bucket control valve 25 during dumping when the detecting means 21, 36 are activated;
0,33.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20284086U JPH0439307Y2 (en) | 1986-12-26 | 1986-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20284086U JPH0439307Y2 (en) | 1986-12-26 | 1986-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63108454U true JPS63108454U (en) | 1988-07-13 |
| JPH0439307Y2 JPH0439307Y2 (en) | 1992-09-14 |
Family
ID=31167602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20284086U Expired JPH0439307Y2 (en) | 1986-12-26 | 1986-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439307Y2 (en) |
-
1986
- 1986-12-26 JP JP20284086U patent/JPH0439307Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0439307Y2 (en) | 1992-09-14 |
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