JPH027030U - - Google Patents
Info
- Publication number
- JPH027030U JPH027030U JP8397288U JP8397288U JPH027030U JP H027030 U JPH027030 U JP H027030U JP 8397288 U JP8397288 U JP 8397288U JP 8397288 U JP8397288 U JP 8397288U JP H027030 U JPH027030 U JP H027030U
- Authority
- JP
- Japan
- Prior art keywords
- turned
- strain gauge
- vehicle body
- safety pin
- pressure
- 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 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Control And Safety Of Cranes (AREA)
- Jib Cranes (AREA)
Description
第1図〜第3図は本考案の実施例を示し、第1
図は回路図、第2図は安全ピン部分の正面図、第
3図はその断面図、第4図はダンプトラツクの正
面図、第5図は回路図である。
1は車体、2はボデイ、4はホイストシリンダ
、5はポンプ、5aは吐出路、6はホイストバル
ブ、10は安全ピン、11はストレインゲージ、
12は圧力スイツチ。
Figures 1 to 3 show embodiments of the present invention;
2 is a front view of the safety pin portion, FIG. 3 is a sectional view thereof, FIG. 4 is a front view of the dump truck, and FIG. 5 is a circuit diagram. 1 is the vehicle body, 2 is the body, 4 is the hoist cylinder, 5 is the pump, 5a is the discharge path, 6 is the hoist valve, 10 is the safety pin, 11 is the strain gauge,
12 is a pressure switch.
Claims (1)
、倒伏姿勢に上下回動自在に設けると共に、ポン
プ5の吐出圧油をホイストバルブ6でホイストシ
リンダ4に供給制御し、前記車体1とボデイ2と
に亘つて安全ピン10を嵌合してボデイ2を起立
姿勢に保持すると共に、前記車体1における安全
ピン10の近傍に、所定負荷が作用するとON状
態となるストレインゲージ11を設け、前記ポン
プ5の吐出路5aに所定圧力となるとONする圧
力スイツチ12を設け、さらに圧力スイツチ12
がONでストレインゲージ11がON状態となる
と作動する表示部材を設けたことを特徴とするダ
ンプトラツクのボデイ制御装置。 A body 2 is provided on the vehicle body 1 with a hoist cylinder 4 so as to be movable up and down in the upright and down position, and the pressure oil discharged from the pump 5 is controlled to be supplied to the hoist cylinder 4 with a hoist valve 6, so that the body 2 is connected to the vehicle body 1 and the body 2. A safety pin 10 is fitted to hold the body 2 in an upright position, and a strain gauge 11 that is turned on when a predetermined load is applied is provided in the vicinity of the safety pin 10 on the vehicle body 1. A pressure switch 12 is provided in the discharge passage 5a, and the pressure switch 12 is turned on when a predetermined pressure is reached.
A body control device for a dump truck, characterized in that a display member is provided which is activated when the strain gauge 11 is turned on and the strain gauge 11 is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8397288U JPH027030U (en) | 1988-06-27 | 1988-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8397288U JPH027030U (en) | 1988-06-27 | 1988-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027030U true JPH027030U (en) | 1990-01-17 |
Family
ID=31308677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8397288U Pending JPH027030U (en) | 1988-06-27 | 1988-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027030U (en) |
-
1988
- 1988-06-27 JP JP8397288U patent/JPH027030U/ja active Pending