JPH01120559U - - Google Patents
Info
- Publication number
- JPH01120559U JPH01120559U JP1636888U JP1636888U JPH01120559U JP H01120559 U JPH01120559 U JP H01120559U JP 1636888 U JP1636888 U JP 1636888U JP 1636888 U JP1636888 U JP 1636888U JP H01120559 U JPH01120559 U JP H01120559U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- upward
- limit switch
- operating
- motor scraper
- 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
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
- Component Parts Of Construction Machinery (AREA)
Description
第１図は本考案の実施例を示す線図的構成説明
図、第２図はリミツトスイツチ取付けの他の例を
示す説明図、第３図はモータスクレーパの概略図
、第４図は従来例の説明図である。
１は前部車体、２はボール、３はボールシリン
ダ、５は操作弁、８はリミツトスイツチ。
Fig. 1 is a diagrammatic configuration explanatory diagram showing an embodiment of the present invention, Fig. 2 is an explanatory diagram showing another example of limit switch installation, Fig. 3 is a schematic diagram of a motor scraper, and Fig. 4 is a diagrammatic illustration of a conventional example. It is an explanatory diagram. 1 is the front body, 2 is a ball, 3 is a ball cylinder, 5 is an operating valve, and 8 is a limit switch.
Claims (1)
下移動自在に連結すると共に、前記ボールシリン
ダ３に操作弁５により圧油を供給して上げ・下げ
ストロークするようにしたモータスクレーパにお
いて、前記ボールシリンダ３が上げストロークエ
ンド近く以外となると作動するリミツトスイツチ
８と、このリミツトスイツチ８の作動信号によつ
て前記操作弁５を上げ位置に切換える手段を設け
たことを特徴とするモータスクレーパのボール自
然落下防止装置。 In the motor scraper, a ball 2 is connected to a front vehicle body 1 by a ball cylinder 3 so as to be movable up and down, and the ball cylinder 3 is supplied with pressure oil by an operating valve 5 to perform upward and downward strokes. A motor scraper ball natural fall prevention device comprising: a limit switch 8 which operates when the position of the control valve 3 is other than near the end of the upward stroke; and means for switching the operating valve 5 to the upward position in response to an operating signal from the limit switch 8. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1636888U JPH01120559U (en) | 1988-02-12 | 1988-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1636888U JPH01120559U (en) | 1988-02-12 | 1988-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01120559U true JPH01120559U (en) | 1989-08-15 |
Family
ID=31229239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1636888U Pending JPH01120559U (en) | 1988-02-12 | 1988-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01120559U (en) |
-
1988
- 1988-02-12 JP JP1636888U patent/JPH01120559U/ja active Pending