JPH0414298U - - Google Patents

Info

Publication number
JPH0414298U
JPH0414298U JP5449590U JP5449590U JPH0414298U JP H0414298 U JPH0414298 U JP H0414298U JP 5449590 U JP5449590 U JP 5449590U JP 5449590 U JP5449590 U JP 5449590U JP H0414298 U JPH0414298 U JP H0414298U
Authority
JP
Japan
Prior art keywords
jack
control valve
operation control
work
vehicle body
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.)
Granted
Application number
JP5449590U
Other languages
Japanese (ja)
Other versions
JP2514408Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990054495U priority Critical patent/JP2514408Y2/en
Publication of JPH0414298U publication Critical patent/JPH0414298U/ja
Application granted granted Critical
Publication of JP2514408Y2 publication Critical patent/JP2514408Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Forklifts And Lifting Vehicles (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案に係る高所作業車の安全装置を
有したジヤツキの作動制御回路図、第２図は高所
作業車を示す正面図、第３図および第４図は上記
高所作業車の作業台昇降支持構造回りを示す正面
図および平面図、第５図は上記作業台昇降支持構
造において作業台の昇降を行わせる昇降シリンダ
を示す斜視図である。 ３……伸縮ブーム、８……ジヤツキ、１０……
昇降支持構造、１１……ブラケツト、１２……カ
ムフオロア、１５……レール部材、２０……昇降
シリンダ、３１……格納検出スイツチ。 Figure 1 is an operation control circuit diagram of a jack equipped with a safety device for a vehicle for working at heights according to the present invention, Figure 2 is a front view of the vehicle for working at heights, and Figures 3 and 4 are for the above-mentioned work at heights. FIG. 5 is a front view and a plan view showing the surroundings of the work platform elevating and lowering support structure of a vehicle, and FIG. 5 is a perspective view showing an elevating cylinder that raises and lowers the work platform in the work platform elevating and lowering support structure. 3... telescopic boom, 8... jack, 10...
Lifting support structure, 11... Bracket, 12... Cam follower, 15... Rail member, 20... Lifting cylinder, 31... Storage detection switch.

Claims (1)

【実用新案登録請求の範囲】 車体上に起伏自在に配設されたブームと、この
ブームの先端に昇降自在に取り付けられた作業台
と、前記車体の側部に配設され作業時に前記車体
を支持するジヤツキとを有してなる高所作業車の
安全装置であつて、 前記作業台の格納状態を検出する格納検出手段
と、前記ジヤツキへの作動油圧供給制御を行うジ
ヤツキ作動コントロールバルブと、このジヤツキ
作動コントロールバルブの作動制御を行うジヤツ
キ操作レバーとを有し、 前記格納検出手段により前記作業台の格納状態
が検出されているときには、前記ジヤツキ操作レ
バーの操作に基づき前記ジヤツキ作動コントロー
ルバルブを作動させて前記ジヤツキを作動させ、 前記格納検出手段により前記作業台の非格納状
態が検出されているときには、前記ジヤツキ操作
レバーの操作に拘らず前記ジヤツキ作動コントロ
ールバルブの作動を禁止するようにしたことを特
徴とする高所作業車の安全装置。[Scope of Utility Model Registration Claim] A boom disposed on the vehicle body so as to be able to rise and fall freely, a work platform attached to the tip of the boom so as to be movable up and down, and a work platform disposed on the side of the vehicle body that allows the vehicle body to be raised and lowered during work. A safety device for an aerial work vehicle comprising a supporting jack, comprising: a retraction detection means for detecting a retracted state of the work platform; a jack operation control valve for controlling the supply of hydraulic pressure to the jack; and a jack operation lever for controlling the operation of the jack operation control valve, and when the storage state of the workbench is detected by the storage detection means, the jack operation control valve is operated based on the operation of the jack operation lever. and actuating the jack, and when the storage detecting means detects that the workbench is in a non-storage state, the jack operation control valve is prohibited from operating regardless of the operation of the jack operating lever. A safety device for high-altitude work vehicles.
JP1990054495U 1990-05-24 1990-05-24 Safety equipment for aerial work vehicles Expired - Lifetime JP2514408Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990054495U JP2514408Y2 (en) 1990-05-24 1990-05-24 Safety equipment for aerial work vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990054495U JP2514408Y2 (en) 1990-05-24 1990-05-24 Safety equipment for aerial work vehicles

Publications (2)

Publication Number Publication Date
JPH0414298U true JPH0414298U (en) 1992-02-05
JP2514408Y2 JP2514408Y2 (en) 1996-10-16

Family

ID=31576612

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990054495U Expired - Lifetime JP2514408Y2 (en) 1990-05-24 1990-05-24 Safety equipment for aerial work vehicles

Country Status (1)

Country Link
JP (1) JP2514408Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006021897A (en) * 2004-07-09 2006-01-26 Aichi Corp Safety equipment for aerial work platforms

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887800U (en) * 1981-12-08 1983-06-14 株式会社吉谷機械製作所 Operational safety device for work vehicles with jacks
JPH01118998U (en) * 1988-01-31 1989-08-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5887800U (en) * 1981-12-08 1983-06-14 株式会社吉谷機械製作所 Operational safety device for work vehicles with jacks
JPH01118998U (en) * 1988-01-31 1989-08-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006021897A (en) * 2004-07-09 2006-01-26 Aichi Corp Safety equipment for aerial work platforms

Also Published As

Publication number Publication date
JP2514408Y2 (en) 1996-10-16

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term