JPH0356304U - - Google Patents
Info
- Publication number
- JPH0356304U JPH0356304U JP11844689U JP11844689U JPH0356304U JP H0356304 U JPH0356304 U JP H0356304U JP 11844689 U JP11844689 U JP 11844689U JP 11844689 U JP11844689 U JP 11844689U JP H0356304 U JPH0356304 U JP H0356304U
- Authority
- JP
- Japan
- Prior art keywords
- slow return
- knob
- link mechanism
- load sensor
- lift arm
- 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
- 238000001514 detection method Methods 0.000 claims 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
Description
第１図は本考案の実施例である要部の側面図、
第２図は農用トラクタおよびロータリ作業機の側
面図、第３図は第１図の一部の正面図、第４図は
第３図の作動説明図を示す。
１……リンク機構、Ｂ……作業機、２……つま
み、３……リフトアーム、Ａ……農用トラクタ、
４……荷重センサ、５……スローリターン調節バ
ルブ、６……電動モータシリンダ。
Figure 1 is a side view of the main parts of an embodiment of the present invention;
2 is a side view of an agricultural tractor and a rotary working machine, FIG. 3 is a front view of a portion of FIG. 1, and FIG. 4 is an explanatory view of the operation of FIG. 3. 1...Link mechanism, B...Work machine, 2...Knob, 3...Lift arm, A...Agricultural tractor,
4...Load sensor, 5...Slow return control valve, 6...Electric motor cylinder.
Claims (1)
機Ｂを、つまみ２によりスローリターン調節がで
きる油圧式のリフトアーム３により昇降自在にし
て構成する農用トラクタにおいて、前記リフトア
ーム３からリンク機構１にいたるその間の一部に
荷重センサ４を介装し、前記つまみ２によりスロ
ーリターン調節を行うスローリターン調節バルブ
５の開閉を、前記荷重センサ４の検出により作動
する電動モータシリンダ６等のアクチユエータに
より自動調節できるよう連動連繋して構成したこ
とを特徴とする作業機降下自動調節装置。 In an agricultural tractor in which various working machines B are connected to the rear through a link mechanism 1 and can be raised and lowered by a hydraulic lift arm 3 that can be adjusted for slow return with a knob 2, the lift arm 3 is connected to the link mechanism 1. A load sensor 4 is interposed in a part of the space between the two, and an actuator such as an electric motor cylinder 6 operated by the detection of the load sensor 4 opens and closes the slow return adjustment valve 5 that performs slow return adjustment using the knob 2. A working machine lowering automatic adjustment device characterized by being configured in an interlocking manner so that automatic adjustment can be performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11844689U JPH0356304U (en) | 1989-10-09 | 1989-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11844689U JPH0356304U (en) | 1989-10-09 | 1989-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0356304U true JPH0356304U (en) | 1991-05-30 |
Family
ID=31666607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11844689U Pending JPH0356304U (en) | 1989-10-09 | 1989-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0356304U (en) |
-
1989
- 1989-10-09 JP JP11844689U patent/JPH0356304U/ja active Pending