JPH0353994U - - Google Patents
Info
- Publication number
- JPH0353994U JPH0353994U JP11449289U JP11449289U JPH0353994U JP H0353994 U JPH0353994 U JP H0353994U JP 11449289 U JP11449289 U JP 11449289U JP 11449289 U JP11449289 U JP 11449289U JP H0353994 U JPH0353994 U JP H0353994U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- extending
- bending
- lower boom
- retracting
- 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
- 238000005452 bending Methods 0.000 claims description 10
- 230000008602 contraction Effects 0.000 claims 2
- 230000001154 acute effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案に係る自動格納装置の構成を示
すブロツク図、第２図はこの自動格納装置の作動
を示すフローチヤート、第３図から第５図は上記
自動格納装置により自動格納がなされる直屈伸ブ
ームを備えた高所作業車を示す正面図である。
１……高所作業車、２……車体、３……アウト
リガ、１０……直屈伸ブーム、１１……基台、１
３……倒伏シリンダ、１２……下ブーム、１５…
…上ブーム、１６……屈伸シリンダ。
FIG. 1 is a block diagram showing the configuration of the automatic storage device according to the present invention, FIG. 2 is a flowchart showing the operation of this automatic storage device, and FIGS. 3 to 5 show how automatic storage is performed by the automatic storage device. FIG. 2 is a front view showing an aerial work vehicle equipped with a direct bending and extending boom. 1...Aerial work vehicle, 2...Vehicle body, 3...Outrigger, 10...Direct bending and extension boom, 11...Base, 1
3... Lodging cylinder, 12... Lower boom, 15...
...Upper boom, 16...Bending cylinder.
Claims (1)
ブームと、この下ブームの先端に屈伸自在に取り
付けられ伸縮自在なブームとを有してなる直屈伸
ブームを自動的に格納させる装置であつて、 前記下ブームの起伏を行わせる起伏手段と、前
記下ブームの伸縮を行わせる下ブーム伸縮手段と
、前記上ブームの屈伸を行わせる屈伸手段と、前
記上ブームの伸縮を行わせる上ブーム伸縮手段と
、前記下ブームと前記上ブームとのはさみ角を検
出するはさみ角検出器と、このはさみ角検出器に
より検出されたはさみ角に応じて前記各手段の作
動を制御して前記直屈伸ブームを格納させる格納
作動制御手段とからなり、 この格納作動制御手段は、 前記はさみ角が鋭角のときには、前記上ブーム
伸縮手段および前記下ブーム伸縮手段を同時に作
動させて前記上および下ブームを同時に縮作動さ
せ、次いで前記屈伸手段により前記上ブームを屈
曲させた後、前記起伏手段により前記下ブームを
倒伏させて格納作動を行わせ、 前記はさみ角が鈍角のときには、前記上ブーム
伸縮手段により前記上ブームを縮作動させた後、
前記下ブーム伸縮手段により前記下ブームを縮作
動させ、次いで前記屈伸手段により前記上ブーム
を屈曲させた後、前記起伏手段により前記下ブー
ムを倒伏させて格納作動を行わせるように構成さ
れていることを特徴とする直屈伸ブームの自動格
納装置。[Scope of Claim for Utility Model Registration] An automatic straight bending and extending boom comprising a lower boom that is attached to a base so that it can be raised and lowered freely, and a boom that is attached to the tip of the lower boom so that it can be bent and stretched. a device for retracting the lower boom, a lower boom extension means for extending and contracting the lower boom, a bending and extending means for bending and extending the upper boom, and a lower boom extension means for extending and contracting the lower boom; an upper boom extending/retracting means for extending and retracting the upper boom; a scissor angle detector for detecting the scissor angle between the lower boom and the upper boom; and operation of each of the means according to the scissor angle detected by the scissor angle detector. storage operation control means for storing the direct bending and extending boom by controlling the angle, and when the scissor angle is an acute angle, the storage operation control means simultaneously operates the upper boom extension and contraction means and the lower boom extension and contraction means. The upper and lower booms are retracted at the same time, and then the bending means bends the upper boom, and the lower boom is lowered by the raising and lowering means to perform a retracting operation, and when the scissor angle is an obtuse angle, After the upper boom is retracted by the upper boom extension/retraction means,
The lower boom is retracted by the lower boom extending/retracting means, the upper boom is bent by the bending/extending means, and then the lower boom is lowered by the undulating means to perform a retracting operation. An automatic storage device for a direct bending/extending boom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989114492U JPH0647911Y2 (en) | 1989-09-29 | 1989-09-29 | Automatic retracting device for straight-bending boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989114492U JPH0647911Y2 (en) | 1989-09-29 | 1989-09-29 | Automatic retracting device for straight-bending boom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0353994U true JPH0353994U (en) | 1991-05-24 |
| JPH0647911Y2 JPH0647911Y2 (en) | 1994-12-07 |
Family
ID=31662857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989114492U Expired - Lifetime JPH0647911Y2 (en) | 1989-09-29 | 1989-09-29 | Automatic retracting device for straight-bending boom |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0647911Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001226098A (en) * | 2000-02-18 | 2001-08-21 | Tadano Ltd | Boom working speed control device for flexing boom type working car |
| JP2003221185A (en) * | 2002-01-09 | 2003-08-05 | Potain Sa | Method and device for related with safe command/control of folding/extending tower crane |
| JP2003238093A (en) * | 2002-02-19 | 2003-08-27 | Tadano Ltd | Automatic housing apparatus for vehicle for high lift work with extending/contracting jib |
-
1989
- 1989-09-29 JP JP1989114492U patent/JPH0647911Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001226098A (en) * | 2000-02-18 | 2001-08-21 | Tadano Ltd | Boom working speed control device for flexing boom type working car |
| JP2003221185A (en) * | 2002-01-09 | 2003-08-05 | Potain Sa | Method and device for related with safe command/control of folding/extending tower crane |
| JP2003238093A (en) * | 2002-02-19 | 2003-08-27 | Tadano Ltd | Automatic housing apparatus for vehicle for high lift work with extending/contracting jib |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0647911Y2 (en) | 1994-12-07 |
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