JPH0233162U - - Google Patents
Info
- Publication number
- JPH0233162U JPH0233162U JP8423588U JP8423588U JPH0233162U JP H0233162 U JPH0233162 U JP H0233162U JP 8423588 U JP8423588 U JP 8423588U JP 8423588 U JP8423588 U JP 8423588U JP H0233162 U JPH0233162 U JP H0233162U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- work
- crane
- place
- hydraulic jack
- 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
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は、トラツククレーンあるいは高所作業
車等の作業車輌の説明図、第２図は本考案に係る
作業車の安全装置の説明図である。
車輌；１、油圧ジヤツキ装置；２，３，４，５
、電磁弁；６、ブレーキ作動検出スイツチ；２２
。
FIG. 1 is an explanatory diagram of a working vehicle such as a truck crane or an aerial work vehicle, and FIG. 2 is an explanatory diagram of a safety device for a working vehicle according to the present invention. Vehicle; 1. Hydraulic jack device; 2, 3, 4, 5
, Solenoid valve; 6, Brake operation detection switch; 22
.
Claims (1)
磁弁により伸縮駆動される油圧ジヤツキ装置を設
け、当該油圧ジヤツキ装置により車輌をジヤツキ
アツプしてクレーン作業あるいは高所作業を行う
ようにしたトラツククレーンあるいは高所作業車
等の作業車において、前記ジヤツキ伸縮制御用の
電磁弁の操作用電気回路中に、車輌の駐車ブレー
キの作動に連動して接となるよう構成したブレー
キ作動検出スイツチを直列に介装したことを特徴
とする作業車の安全装置。 A truck crane or high-place crane that is equipped with a hydraulic jack device that is telescopically driven by an electromagnetic valve for jack expansion/contraction control at the front, rear, left, and right positions of a vehicle, and that jacks up the vehicle using the hydraulic jack device to perform crane work or high-place work. In a work vehicle such as a work vehicle, a brake operation detection switch configured to be connected in conjunction with the operation of a parking brake of the vehicle is interposed in series in the electric circuit for operating the solenoid valve for controlling the jack expansion and contraction. A safety device for work vehicles that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8423588U JPH0233162U (en) | 1988-06-24 | 1988-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8423588U JPH0233162U (en) | 1988-06-24 | 1988-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0233162U true JPH0233162U (en) | 1990-03-01 |
Family
ID=31308934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8423588U Pending JPH0233162U (en) | 1988-06-24 | 1988-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0233162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7197872B2 (en) | 2002-12-27 | 2007-04-03 | Hitachi Construction Machinery Co., Ltd. | Hydraulic circuit in work vehicle |
| US7445240B2 (en) | 2002-12-27 | 2008-11-04 | Hitachi Construction Machinery Co., Ltd. | Drive device of hydraulic cylinder for working |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583360B2 (en) * | 1974-12-26 | 1983-01-20 | 株式会社東芝 | X Sensokusha Sochi |
-
1988
- 1988-06-24 JP JP8423588U patent/JPH0233162U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS583360B2 (en) * | 1974-12-26 | 1983-01-20 | 株式会社東芝 | X Sensokusha Sochi |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7197872B2 (en) | 2002-12-27 | 2007-04-03 | Hitachi Construction Machinery Co., Ltd. | Hydraulic circuit in work vehicle |
| US7445240B2 (en) | 2002-12-27 | 2008-11-04 | Hitachi Construction Machinery Co., Ltd. | Drive device of hydraulic cylinder for working |