JPH0366991U - - Google Patents
Info
- Publication number
- JPH0366991U JPH0366991U JP12822489U JP12822489U JPH0366991U JP H0366991 U JPH0366991 U JP H0366991U JP 12822489 U JP12822489 U JP 12822489U JP 12822489 U JP12822489 U JP 12822489U JP H0366991 U JPH0366991 U JP H0366991U
- Authority
- JP
- Japan
- Prior art keywords
- telescopic boom
- mobile crane
- telescopic
- pair
- hoisting
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は、従来の移動式クレーンの説明図、第
２図および第３図は、この考案の移動式クレーン
の説明図であつて、第２図は側面図、第３図は第
２図の平面図である。
車両……１、旋回台……２、ブラケツト……３
，３、第一伸縮ブーム……４、第二伸縮ブーム…
…５、第一伸縮ブーム起伏駆動装置……６、起伏
シリンダー……６ａ，６ａ。
FIG. 1 is an explanatory diagram of a conventional mobile crane, and FIGS. 2 and 3 are explanatory diagrams of the mobile crane of this invention, in which FIG. 2 is a side view and FIG. FIG. Vehicle...1, Swivel base...2, Bracket...3
, 3. First telescopic boom... 4. Second telescopic boom...
...5. First telescopic boom hoisting drive device...6. Hoisting cylinder...6a, 6a.
Claims (1)
に、左右一対のブラケツトを立設し、第一伸縮ブ
ームの基端部をこのブラケツト間に位置させて起
伏駆動自在に取り付け、更に第一伸縮ブームの下
側に沿つて折り畳み可能なよう第二伸縮ブームの
基端部を前記第一伸縮ブームの先端部に起伏駆動
自在に取り付けてなる移動式クレーンであつて、
前記第一および第二伸縮ブームの格納状態では、
第二伸縮ブームを第一伸縮ブームの下側に沿つて
折り畳むとともに第一伸縮ブームを倒伏する様に
構成してなる移動式クレーンにおいて、前記旋回
台と第一伸縮ブームの適所間に設けられ第一伸縮
ブームを起伏駆動する第一伸縮ブーム起伏駆動装
置を、第一伸縮ブームの両側に位置するよう第一
伸縮ブームと前記左右一対のブラケツトとの間に
取り付けられた左右一対の起伏シリンダーで構成
すると共に、前記左右一対のブラケツト間であつ
て前記第一伸縮ブームの下側に前記第二伸縮ブー
ムの先端部を受容する受容部を形成し、前記第一
および第二伸縮ブームを格納状態にしたとき、第
二伸縮ブームの先端部が前記受容部に受容される
よう構成したことを特徴とする移動式クレーン。 A pair of left and right brackets are erected on a swivel base mounted on the vehicle so that it can be rotated, the base end of the first telescopic boom is positioned between these brackets, and the first telescopic boom is mounted so that it can be driven up and down. A mobile crane in which a base end of a second telescopic boom is attached to a distal end of the first telescopic boom so as to be able to be driven up and down so as to be foldable along the lower side of the mobile crane,
In the retracted state of the first and second telescopic booms,
In a mobile crane configured such that the second telescopic boom is folded along the lower side of the first telescopic boom and the first telescopic boom is laid down, A first telescopic boom hoisting drive device for driving the telescopic boom in hoisting is composed of a pair of left and right hoisting cylinders installed between the first telescopic boom and the pair of left and right brackets so as to be located on both sides of the first telescopic boom. At the same time, a receiving part for receiving a tip of the second telescopic boom is formed between the pair of left and right brackets and below the first telescopic boom, and the first and second telescopic booms are placed in a retracted state. 1. A mobile crane characterized in that, when the mobile crane does so, the tip end of the second telescopic boom is received in the receiving part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12822489U JPH0754234Y2 (en) | 1989-10-31 | 1989-10-31 | Mobile crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12822489U JPH0754234Y2 (en) | 1989-10-31 | 1989-10-31 | Mobile crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0366991U true JPH0366991U (en) | 1991-06-28 |
| JPH0754234Y2 JPH0754234Y2 (en) | 1995-12-13 |
Family
ID=31675942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12822489U Expired - Fee Related JPH0754234Y2 (en) | 1989-10-31 | 1989-10-31 | Mobile crane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0754234Y2 (en) |
-
1989
- 1989-10-31 JP JP12822489U patent/JPH0754234Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0754234Y2 (en) | 1995-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |