JPS63173187U - - Google Patents
Info
- Publication number
- JPS63173187U JPS63173187U JP6673087U JP6673087U JPS63173187U JP S63173187 U JPS63173187 U JP S63173187U JP 6673087 U JP6673087 U JP 6673087U JP 6673087 U JP6673087 U JP 6673087U JP S63173187 U JPS63173187 U JP S63173187U
- Authority
- JP
- Japan
- Prior art keywords
- jib
- attached
- boom
- tip
- base end
- 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
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の実施例にかかるジブ起伏装置
を備えたクレーンの作業状態を示す側面図、第２
図は同一部拡大図、第３図は同ジブ格納状態、第
４図は同格納状態でジブ起伏シリンダを縮小させ
た状態の各側面図、第５図は従来例を示す側面図
である。
２…ブーム、３…ジブ、４…ジブ支持部材とし
てのサスペンシヨンロツド、５…ジブ起伏シリン
ダ、６…同シリンダ基端の連結具、２１…同連結
具が連結されるジブフツト軸。
Figure 1 is a side view showing the working state of a crane equipped with a jib hoisting device according to an embodiment of the present invention;
3 is an enlarged view of the same part, FIG. 3 is a side view of the jib in the retracted state, FIG. 4 is a side view of the jib in the retracted state with the jib hoisting cylinder reduced, and FIG. 5 is a side view of a conventional example. 2... Boom, 3... Jib, 4... Suspension rod as a jib support member, 5... Jib hoisting cylinder, 6... Connector at the base end of the cylinder, 21... Jib foot shaft to which the connector is connected.
Claims (1)
レーンにおいて、上記ジブの基端部左右両側にジ
ブ長さ方向にジブ起伏シリンダが取付けられ、こ
のジブ起伏シリンダの基端部が、ブーム先端に対
し左右方向水平軸まわりに連結されて、ジブがこ
の連結点を支点として起伏しうるように構成され
、かつ、このジブとブーム先端との間に、ジブを
支持するジブ支持部材が懸架されてなることを特
徴とするクレーンのジブ起伏装置。 In cranes in which the jib is attached to the tip of the boom so that it can be raised and lowered freely, jib hoisting cylinders are attached to the left and right sides of the base end of the jib in the length direction of the jib, and the base end of the jib hoisting cylinder is attached to the boom tip. The jib is connected around a horizontal axis in the left and right direction so that the jib can rise and fall using this connection point as a fulcrum, and a jib support member that supports the jib is suspended between the jib and the boom tip. A crane jib hoisting device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987066730U JPH0432398Y2 (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987066730U JPH0432398Y2 (en) | 1987-04-30 | 1987-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63173187U true JPS63173187U (en) | 1988-11-10 |
| JPH0432398Y2 JPH0432398Y2 (en) | 1992-08-04 |
Family
ID=30905008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987066730U Expired JPH0432398Y2 (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432398Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018131303A (en) * | 2017-02-16 | 2018-08-23 | 株式会社タダノ | Crane device with jib |
| JP7292851B2 (en) * | 2018-10-25 | 2023-06-19 | 株式会社加藤製作所 | Jib hoisting mechanism and crane vehicle equipped with jib hoisting mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100390U (en) * | 1983-12-14 | 1985-07-09 | 株式会社 多田野鉄工所 | Variable tilt device for auxiliary jib in hydraulic telescopic boom with auxiliary jib |
| JPS60145183U (en) * | 1984-03-02 | 1985-09-26 | 作田 昭 | Hydraulic crane. jib hoisting device |
-
1987
- 1987-04-30 JP JP1987066730U patent/JPH0432398Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100390U (en) * | 1983-12-14 | 1985-07-09 | 株式会社 多田野鉄工所 | Variable tilt device for auxiliary jib in hydraulic telescopic boom with auxiliary jib |
| JPS60145183U (en) * | 1984-03-02 | 1985-09-26 | 作田 昭 | Hydraulic crane. jib hoisting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0432398Y2 (en) | 1992-08-04 |
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