JPH01118998U - - Google Patents
Info
- Publication number
- JPH01118998U JPH01118998U JP1135588U JP1135588U JPH01118998U JP H01118998 U JPH01118998 U JP H01118998U JP 1135588 U JP1135588 U JP 1135588U JP 1135588 U JP1135588 U JP 1135588U JP H01118998 U JPH01118998 U JP H01118998U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- jack
- outrigger
- operates
- detects
- 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 description 5
- 239000010720 hydraulic oil Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案に係るアウトリガを備えた高所
作業車等の安全装置を装備した高所作業車の一実
施例を示す側面図、第２図は同上安全装置の概要
を示す説明図、第３図は従来のアウトリガを備え
た高所作業車等の安全装置の概要を示す説明図で
ある。
１…高所作業車、２…アウトリガ、３…ターン
テーブル、４…ブーム、５…起伏シリンダ、６…
バケツト、７…ジヤツキ操作バルブ、７ａ…操作
レバー、８…ブーム操作バルブ、９…電磁バルブ
、１０…ブーム受けリミツトスイツチ、１１…接
地検出スイツチ、１２…検出スイツチ（ジヤツキ
操作バルブ７の伸縮作動用の操作レバー７ａの動
きを検出する検出スイツチ）、１３…第１リレー
、１３ａ…リレースイツチ、１４…第２リレー、
１４ａ…リレースイツチ。
FIG. 1 is a side view showing an embodiment of a high-altitude work vehicle equipped with a safety device such as a high-altitude work vehicle equipped with an outrigger according to the present invention, and FIG. 2 is an explanatory diagram showing an outline of the same safety device. FIG. 3 is an explanatory diagram showing an outline of a safety device for an aerial work vehicle or the like equipped with a conventional outrigger. 1... Aerial work vehicle, 2... Outrigger, 3... Turntable, 4... Boom, 5... Lifting cylinder, 6...
Bucket, 7... Jacket operating valve, 7a... Operating lever, 8... Boom operating valve, 9... Solenoid valve, 10... Boom receiver limit switch, 11... Ground detection switch, 12... Detection switch (for telescopic operation of jack operating valve 7). a detection switch that detects movement of the operating lever 7a), 13...first relay, 13a...relay switch, 14...second relay,
14a...Relay switch.
Claims (1)
持する適数個のアウトリガを有する作業車に於い
て、夫々のアウトリガのジヤツキの接地状態を検
出する検知スイツチと、ブームが格納状態にある
ことを検出するリミツトスイツチと、前記アウト
リガのジヤツキを作動させるジヤツキ操作バルブ
の操作レバーの動きを検出する検出スイツチと、
油圧回路に配置され前記ブームを作動させるブー
ム操作バルブと前記ジヤツキを作動させるジヤツ
キ操作バルブの何れか一方に所定の作動油を供給
する切換バルブとを装備し、全てのジヤツキが接
地するまでブーム操作は行えず、又ブームが前記
リミツトスイツチから離れ作業状態に成ると前記
ジヤツキの操作は行えない様にしたことを特徴と
するアウトリガを備えた作業車の安全装置。 In a work vehicle that has a boom equipped with a bucket at the tip and an appropriate number of outriggers that support the vehicle body, there is a detection switch that detects the grounding state of the jack of each outrigger and detects that the boom is in the retracted state. a detection switch that detects movement of an operating lever of a jack operating valve that operates the jack of the outrigger;
A switching valve is provided in the hydraulic circuit to supply predetermined hydraulic oil to either a boom operation valve that operates the boom or a jack operation valve that operates the jacks, and the boom is operated until all the jacks touch the ground. A safety device for a work vehicle equipped with an outrigger, characterized in that the jack cannot be operated when the boom is separated from the limit switch and enters a working state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1135588U JPH01118998U (en) | 1988-01-31 | 1988-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1135588U JPH01118998U (en) | 1988-01-31 | 1988-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01118998U true JPH01118998U (en) | 1989-08-11 |
Family
ID=31219837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1135588U Pending JPH01118998U (en) | 1988-01-31 | 1988-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01118998U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0414298U (en) * | 1990-05-24 | 1992-02-05 | ||
| JP2006021897A (en) * | 2004-07-09 | 2006-01-26 | Aichi Corp | Safety device for high lift operating vehicle |
| JP2006282301A (en) * | 2005-03-31 | 2006-10-19 | Aichi Corp | Safety device for outrigger |
-
1988
- 1988-01-31 JP JP1135588U patent/JPH01118998U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0414298U (en) * | 1990-05-24 | 1992-02-05 | ||
| JP2006021897A (en) * | 2004-07-09 | 2006-01-26 | Aichi Corp | Safety device for high lift operating vehicle |
| JP4560342B2 (en) * | 2004-07-09 | 2010-10-13 | 株式会社アイチコーポレーション | Safety equipment for aerial work platforms |
| JP2006282301A (en) * | 2005-03-31 | 2006-10-19 | Aichi Corp | Safety device for outrigger |
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