JPH0470889U - - Google Patents
Info
- Publication number
- JPH0470889U JPH0470889U JP11501590U JP11501590U JPH0470889U JP H0470889 U JPH0470889 U JP H0470889U JP 11501590 U JP11501590 U JP 11501590U JP 11501590 U JP11501590 U JP 11501590U JP H0470889 U JPH0470889 U JP H0470889U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- jib
- tip
- horizontal axis
- suspension member
- 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.)
- Pending
Links
- 239000000725 suspension Substances 0.000 claims description 8
- 230000008602 contraction Effects 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支持装置
を示す側面図、第２図は同平面図、第３図は第１
図の一部拡大図、第４図は同装置による屋内作業
時の吊り揚程の増加状況を示すブームの側面図、
第５図は従来装置による屋内作業時の状況を示す
側面図、第６図は従来装置を示す側面図である。
１……ブーム、２……ジブ、５……サスペンシ
ヨン部材、５１……サスペンシヨン部材を構成す
るサスペンシヨンロツド、５２……同伸縮機構と
しての油圧シリンダ、５３……サスペンシヨン部
材の基端部をジブに取付けるための水平軸、６…
…ステー部材、６１……ステー部材をジブ基端部
に取付けるための水平軸、６２……ステー部材と
サスペンシヨン部材とを連結するための水平軸、
７……連結部材。
FIG. 1 is a side view showing a jib support device according to an embodiment of the present invention, FIG. 2 is a plan view of the same, and FIG.
A partially enlarged view of the figure, Figure 4 is a side view of the boom showing the increase in lifting height during indoor work using the same device,
FIG. 5 is a side view showing the conventional device during indoor work, and FIG. 6 is a side view showing the conventional device. DESCRIPTION OF SYMBOLS 1... Boom, 2... Jib, 5... Suspension member, 51... Suspension rod constituting the suspension member, 52... Hydraulic cylinder as the expansion and contraction mechanism, 53... Base of the suspension member Horizontal shaft for attaching the end to the jib, 6...
...Stay member, 61...Horizontal shaft for attaching the stay member to the base end of the jib, 62...Horizontal shaft for connecting the stay member and the suspension member,
7...Connection member.
Claims (1)
ムの先端部に張出されたジブに左右方向水平軸ま
わりに回動可能に取付けられるとともに、ジブの
基端部にステー部材が左右方向水平軸まわりに回
動可能に取付けられ、このステー部材と上記サス
ペンシヨン部材の他端とが、ブーム水平状態にお
けるブーム先端部より前方位置で左右方向水平軸
まわりに回動可能に連結され、この連結点が連結
部材によつてブーム先端部に連結されてなること
を特徴とするクレーンのジブ支持装置。 One end of the telescoping suspension member is attached to the jib extending from the tip of the boom so that it can rotate around a horizontal axis in the left and right directions, and a stay member is attached to the base end of the jib so that it can rotate around the horizontal axis in the left and right directions. The stay member and the other end of the suspension member are rotatably connected to each other around a horizontal axis in the left and right direction at a position forward of the boom tip in the boom horizontal state, and this connection point is connected to the other end of the suspension member. A jib support device for a crane, characterized in that the jib support device is connected to the tip of a boom by a member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11501590U JPH0470889U (en) | 1990-10-31 | 1990-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11501590U JPH0470889U (en) | 1990-10-31 | 1990-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0470889U true JPH0470889U (en) | 1992-06-23 |
Family
ID=31862747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11501590U Pending JPH0470889U (en) | 1990-10-31 | 1990-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0470889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09301682A (en) * | 1996-05-09 | 1997-11-25 | Kato Works Co Ltd | Boom head housing mechanism of mobile crane |
-
1990
- 1990-10-31 JP JP11501590U patent/JPH0470889U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09301682A (en) * | 1996-05-09 | 1997-11-25 | Kato Works Co Ltd | Boom head housing mechanism of mobile crane |
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