JPH02149690U - - Google Patents
Info
- Publication number
- JPH02149690U JPH02149690U JP5955889U JP5955889U JPH02149690U JP H02149690 U JPH02149690 U JP H02149690U JP 5955889 U JP5955889 U JP 5955889U JP 5955889 U JP5955889 U JP 5955889U JP H02149690 U JPH02149690 U JP H02149690U
- Authority
- JP
- Japan
- Prior art keywords
- turntable
- boom
- vehicle body
- detector
- certain range
- 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 4
Landscapes
- Jib Cranes (AREA)
Description
図面は本考案の実施例を示し、第１図は本考案
の安全装置の回路図、第２図はクレーン車の作業
状態を示す側面図、第３図は旋回検出器の説明図
、第４図は操作検出器の説明図である。
１……車体、３……ターンテーブル、４……伸
縮ブーム、６……ウインチ、１０……リミツトス
イツチ、１１……カム、１２……操作レバー、１
３，１４，１５，１６……リミツトスイツチ、１
７……リレー、１８……スイツチ、１９……警報
器。
The drawings show an embodiment of the present invention, and Fig. 1 is a circuit diagram of the safety device of the invention, Fig. 2 is a side view showing the working state of the crane truck, Fig. 3 is an explanatory diagram of the rotation detector, and Fig. 4 is a schematic diagram of the safety device of the invention. The figure is an explanatory diagram of the operation detector. 1...Vehicle body, 3...Turntable, 4...Telescopic boom, 6...Winch, 10...Limit switch, 11...Cam, 12...Operation lever, 1
3, 14, 15, 16...Limit switch, 1
7...Relay, 18...Switch, 19...Alarm.
Claims (1)
このターンテーブルにブームを起伏自在に枢着し
、ブームの先端から荷等を吊り上げる吊り上げ装
置を備えた作業車の安全装置において、前記ブー
ムが車体前方の一定範囲内に位置することを検出
する旋回位置検出器と、ターンテーブルの旋回操
作を検出する操作検出器と、前記旋回位置検出器
と操作検出器からの信号によりブームが車体前方
の一定範囲内に位置するとともにターンテーブル
の旋回操作を行つたときに作動する警報装置とを
備えたことを特徴とする作業車の安全装置。 A turntable is placed on the vehicle body so that it can rotate freely,
In a safety device for a work vehicle, which has a boom pivotably attached to the turntable and is equipped with a lifting device for hoisting a load, etc. from the tip of the boom, the swing function detects when the boom is located within a certain range in front of the vehicle body. A position detector, an operation detector that detects the turning operation of the turntable, and signals from the turning position detector and the operation detector are used to locate the boom within a certain range in front of the vehicle body and perform the turning operation of the turntable. A safety device for a work vehicle, characterized in that it is equipped with an alarm device that activates when an accident occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5955889U JPH02149690U (en) | 1989-05-23 | 1989-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5955889U JPH02149690U (en) | 1989-05-23 | 1989-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02149690U true JPH02149690U (en) | 1990-12-20 |
Family
ID=31586161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5955889U Pending JPH02149690U (en) | 1989-05-23 | 1989-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02149690U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51102857A (en) * | 1975-03-06 | 1976-09-10 | Tadano Tekkosho Kk | SENKAISEIGENSHINGOHATSUSEISOCHI |
| JPS6210320U (en) * | 1985-07-04 | 1987-01-22 |
-
1989
- 1989-05-23 JP JP5955889U patent/JPH02149690U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51102857A (en) * | 1975-03-06 | 1976-09-10 | Tadano Tekkosho Kk | SENKAISEIGENSHINGOHATSUSEISOCHI |
| JPS6210320U (en) * | 1985-07-04 | 1987-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0251083U (en) | ||
| JPH0385398U (en) | ||
| JPH02149690U (en) | ||
| JPH075120Y2 (en) | Boom operation control device for aerial work vehicles | |
| JPH01147395U (en) | ||
| JPS6214079Y2 (en) | ||
| JPS6426698U (en) | ||
| JPH01118998U (en) | ||
| JPH0325489U (en) | ||
| JPH0753316Y2 (en) | Data transmission device for work vehicle equipped with swivel base | |
| JPH0261891U (en) | ||
| JPH0360000U (en) | ||
| JPH0280690U (en) | ||
| JPH0385397U (en) | ||
| JPS62162161U (en) | ||
| JPH041899U (en) | ||
| JPH02129386U (en) | ||
| JPH0181360U (en) | ||
| JPH034184U (en) | ||
| JPS638708Y2 (en) | ||
| JPH01119000U (en) | ||
| JPH0458600U (en) | ||
| JPH0356789U (en) | ||
| JPH02117250U (en) | ||
| JPS61206600U (en) |