JPH02107557U - - Google Patents
Info
- Publication number
- JPH02107557U JPH02107557U JP1669989U JP1669989U JPH02107557U JP H02107557 U JPH02107557 U JP H02107557U JP 1669989 U JP1669989 U JP 1669989U JP 1669989 U JP1669989 U JP 1669989U JP H02107557 U JPH02107557 U JP H02107557U
- Authority
- JP
- Japan
- Prior art keywords
- working
- outrigger
- state
- outrigger jack
- working state
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000036461 convulsion Effects 0.000 description 2
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Control And Safety Of Cranes (AREA)
Description
第１図は本考案の安全装置の機能構成を示した
ブロツク図、第２図は本考案の第１実施例におけ
る高所作業車の概略側面図、第３図は同高所作業
車のブームレストリミツトスイツチの取付位置を
示す正面図、第４図は同高所作業車のアウトリガ
ジヤツキリミツトスイツチの取付位置を示す一部
断面正面図、第５図は同高所作業車に備えられた
安全装置のリレー回路図、第６図は同リレー回路
の作用を示すフローチヤート、第７図は第２実施
例における安全装置のハード構成図、第８図は同
安全装置におけるマイクロコンピユータの制御内
容を示すフローチヤートである。
１０…アウトリガジヤツキ、１２…作業部材、
１４…作業状態検出手段、１６…アウトリガジヤ
ツキ検出手段、１８…アウトリガジヤツキ切換手
段、２０…警告手段、２２…作業部材切換手段、
２６…ブーム（作業部材）、２８…ブームレスト
、３０…ブームレストリミツトスイツチ（作業状
態検出手段）、３４…アウトリガジヤツキリミツ
トスイツチ（アウトリガジヤツキ検出手段）、４
０…ブザー（警告手段）、４２…ブーム等電磁弁
（作業部材切換手段）、４４…アウトリガジヤツ
キ電磁弁（アウトリガジヤツキ切換手段）、４６
…マイクロコンピユータ。
Fig. 1 is a block diagram showing the functional configuration of the safety device of the present invention, Fig. 2 is a schematic side view of the aerial work vehicle in the first embodiment of the present invention, and Fig. 3 is the boom of the aerial work vehicle. A front view showing the mounting position of the restraint limit switch, Fig. 4 is a partial cross-sectional front view showing the mounting position of the outrigger limit switch of the same aerial work vehicle, and Fig. 5 is a front view showing the mounting position of the outrigger limit switch of the same aerial work vehicle. 6 is a flowchart showing the operation of the relay circuit, FIG. 7 is a hardware configuration diagram of the safety device in the second embodiment, and FIG. 8 is a diagram of the microcomputer in the safety device. It is a flowchart showing control contents. 10...Outrigger jack, 12...Working member,
14... Working condition detection means, 16... Outrigger jerk detection means, 18... Outrigger jerk switching means, 20... Warning means, 22... Working member switching means,
26...Boom (working member), 28...Boom rest, 30...Boom rest limit switch (working state detection means), 34...Outrigger jamming limit switch (outrigger jamming detection means), 4
0...Buzzer (warning means), 42...Solenoid valve such as boom (working member switching means), 44...Outrigger jack solenoid valve (outrigger jack switching means), 46
...Microcomputer.
Claims (1)
と、アウトリガジヤツキとを備えた作業機械にお
いて、上記作業部材が格納状態にあるか作業状態
にあるかを検出する作業状態検出手段と、各アウ
トリガジヤツキが接地状態にあるか否かを検出す
るアウトリガジヤツキ検出手段と、作業部材が作
業状態にあるときにアウトリガジヤツキの作動を
強制的に停止させるアウトリガジヤツキ切換手段
と、少なくとも作業状態において１以上のアウト
リガジヤツキが接地していない場合に警告を行う
警告手段と、作業部材が格納状態にあり、かつ１
つ以上のアウトリガジヤツキが接地していないと
きにのみ作業部材の作動を強制的に停止させる作
業部材切換手段とを備えたことを特徴とする作業
機械の安全装置。 A working machine equipped with a work member that can be switched between a stored state and a working state, and an outrigger jack, including a working state detection means for detecting whether the work member is in a stored state or a working state, and each outrigger jack. an outrigger jack detection means for detecting whether or not the lever is in a grounded state; an outrigger jack switching means for forcibly stopping the operation of the outrigger jack when the work member is in the working state; and at least in the working state. a warning means for issuing a warning when one or more outrigger jacks are not in contact with the ground;
A safety device for a working machine, comprising a working member switching means for forcibly stopping the operation of a working member only when two or more outrigger jacks are not in contact with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989016699U JPH07372Y2 (en) | 1989-02-15 | 1989-02-15 | Safety equipment for work machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989016699U JPH07372Y2 (en) | 1989-02-15 | 1989-02-15 | Safety equipment for work machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02107557U true JPH02107557U (en) | 1990-08-27 |
| JPH07372Y2 JPH07372Y2 (en) | 1995-01-11 |
Family
ID=31229853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989016699U Expired - Lifetime JPH07372Y2 (en) | 1989-02-15 | 1989-02-15 | Safety equipment for work machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07372Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020011826A (en) * | 2018-07-19 | 2020-01-23 | 株式会社タダノ | Track-and-work vehicle |
Citations (3)
| 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 |
| JPS5932548U (en) * | 1982-08-25 | 1984-02-29 | 株式会社多田野鉄工所 | Construction machinery safety equipment |
| JPS6339516A (en) * | 1986-08-05 | 1988-02-20 | 株式会社 日本医化器械製作所 | Double rotary table |
-
1989
- 1989-02-15 JP JP1989016699U patent/JPH07372Y2/en not_active Expired - Lifetime
Patent Citations (3)
| 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 |
| JPS5932548U (en) * | 1982-08-25 | 1984-02-29 | 株式会社多田野鉄工所 | Construction machinery safety equipment |
| JPS6339516A (en) * | 1986-08-05 | 1988-02-20 | 株式会社 日本医化器械製作所 | Double rotary table |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020011826A (en) * | 2018-07-19 | 2020-01-23 | 株式会社タダノ | Track-and-work vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07372Y2 (en) | 1995-01-11 |
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