JPH01149391U - - Google Patents
Info
- Publication number
- JPH01149391U JPH01149391U JP4682388U JP4682388U JPH01149391U JP H01149391 U JPH01149391 U JP H01149391U JP 4682388 U JP4682388 U JP 4682388U JP 4682388 U JP4682388 U JP 4682388U JP H01149391 U JPH01149391 U JP H01149391U
- Authority
- JP
- Japan
- Prior art keywords
- bevel gear
- auxiliary jib
- rotates
- crane
- large bevel
- 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
Landscapes
- Jib Cranes (AREA)
Description
第１図ａ及びｂはラフテレーンクレーン車の要
部外観図で、それぞれ側面図及び上面図、第２図
ａ，ｂ，ｃはこの考案によるトラツククレーンの
補助ジブ張出し装置の張出し手順説明用斜視図、
第３図ａは第２図ａにおけるａ矢視図、第３図
ｂは第３図ａにおけるｂ―ｂ断面図、第３図
ｃは第３図ｂにおけるｃ矢視図、第４図ａ，ｂ
，ｃ，ｄは従来のものである。
１…ブーム、２…補助ジブ、１１…大傘歯車、
１３…大傘歯車軸、２１…小傘歯車、２３…小傘
歯車軸、２５…ブロツク。
Figures 1 a and b are external views of the main parts of a rough terrain crane vehicle, a side view and a top view, respectively, and Figures 2 a, b, and c are perspective views for explaining the extending procedure of the auxiliary jib extending device of the truck crane according to this invention. figure,
Figure 3a is a view taken along arrow a in Figure 2a, Figure 3b is a sectional view taken along line bb in Figure 3a, Figure 3c is a view taken in the direction of arrow c in Figure 3b, and Figure 4a. ,b
, c, d are conventional ones. 1...Boom, 2...Auxiliary jib, 11...Large bevel gear,
13...Large bevel gear shaft, 21...Small bevel gear, 23...Small bevel gear shaft, 25...Block.
Claims (1)
において、ブームに固着した大傘歯車に、補助ジ
ブの先端部に連結した小傘歯車が噛合して公転し
ながら自転することにより、格納状態の補助ジブ
はふり出されながら自転して張出される張出し装
置であつて、大傘歯車と小傘歯車の歯数比がほぼ
３：２であることを特徴とするクレーン補助ジブ
の張出し装置。 In the auxiliary jib extension device of a crane mounted on a vehicle, the small bevel gear connected to the tip of the auxiliary jib meshes with the large bevel gear fixed to the boom and rotates while revolving around the axis, allowing the auxiliary jib to be extended in the retracted state. 1. A crane auxiliary jib extending device that rotates and extends while being blown out, and is characterized in that the ratio of the number of teeth between a large bevel gear and a small bevel gear is approximately 3:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4682388U JPH01149391U (en) | 1988-04-08 | 1988-04-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4682388U JPH01149391U (en) | 1988-04-08 | 1988-04-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01149391U true JPH01149391U (en) | 1989-10-16 |
Family
ID=31273071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4682388U Pending JPH01149391U (en) | 1988-04-08 | 1988-04-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01149391U (en) |
-
1988
- 1988-04-08 JP JP4682388U patent/JPH01149391U/ja active Pending