JPH02147496U - - Google Patents
Info
- Publication number
- JPH02147496U JPH02147496U JP5638989U JP5638989U JPH02147496U JP H02147496 U JPH02147496 U JP H02147496U JP 5638989 U JP5638989 U JP 5638989U JP 5638989 U JP5638989 U JP 5638989U JP H02147496 U JPH02147496 U JP H02147496U
- Authority
- JP
- Japan
- Prior art keywords
- sheave
- boom
- wire
- hose
- telescoping
- 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
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案のシーブ取付構造を備えた多段
ブームの全体図、第２図は第１図のＡ−Ａ断面図
、第３図は従来の多段伸縮ブームのシーブ取付部
の断面図である。
２は基部ブーム、３は中間ブーム、４は先部ブ
ーム、５は伸縮シリンダ、８はワイヤ用シーブ、
９はワイヤ、１２はワイヤ用シーブのシヤフト、
１３は油圧ホース、１４はホース用シーブ、１５
はホース用シーブのシヤフトである。
Fig. 1 is an overall view of a multi-stage boom equipped with the sheave mounting structure of the present invention, Fig. 2 is a sectional view taken along line A-A in Fig. 1, and Fig. 3 is a sectional view of the sheave mounting part of a conventional multi-stage telescopic boom. be. 2 is a base boom, 3 is an intermediate boom, 4 is a tip boom, 5 is a telescopic cylinder, 8 is a wire sheave,
9 is the wire, 12 is the shaft of the sheave for the wire,
13 is a hydraulic hose, 14 is a hose sheave, 15
is the shaft of a hose sheave.
Claims (1)
縮シリンダの作動と、前記中間ブームに設けたワ
イヤ用シーブに掛け渡したワイヤにより伸縮自在
に嵌合した多段伸縮ブームにおいて、前記伸縮シ
リンダ等に作動油を供給する油圧ホースを掛け渡
したホース用シーブを前記左右一対のワイヤ用シ
ーブ間に介装するとともに伸縮シリンダ上に位置
させ、更にホース用シーブの外径をワイヤ用シー
ブの外径よりも小径とするとともにワイヤ用シー
ブのシヤフトにホース用シヤフトを上方に位置さ
せて固着してなる多段伸縮ブームにおけるシーブ
取付構造。 In a multi-stage telescoping boom in which a base boom, an intermediate boom, and a tip boom are telescopically fitted together by the operation of a telescoping cylinder and a wire stretched over a wire sheave provided on the intermediate boom, the telescoping cylinder, etc. is operated. A hose sheave over which a hydraulic hose for supplying oil is stretched is interposed between the pair of left and right wire sheaves, and is also positioned on the telescopic cylinder, and the outside diameter of the hose sheave is set to be larger than the outside diameter of the wire sheave. A sheave mounting structure in a multi-stage telescopic boom that has a small diameter and has a hose shaft positioned above and fixed to the wire sheave shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5638989U JPH0646943Y2 (en) | 1989-05-16 | 1989-05-16 | Sheave mounting structure for multi-stage telescopic boom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5638989U JPH0646943Y2 (en) | 1989-05-16 | 1989-05-16 | Sheave mounting structure for multi-stage telescopic boom |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02147496U true JPH02147496U (en) | 1990-12-14 |
| JPH0646943Y2 JPH0646943Y2 (en) | 1994-11-30 |
Family
ID=31580169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5638989U Expired - Lifetime JPH0646943Y2 (en) | 1989-05-16 | 1989-05-16 | Sheave mounting structure for multi-stage telescopic boom |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0646943Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7086454B2 (en) * | 2017-10-19 | 2022-06-20 | 株式会社アイチコーポレーション | Telescopic boom |
-
1989
- 1989-05-16 JP JP5638989U patent/JPH0646943Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0646943Y2 (en) | 1994-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02147496U (en) | ||
| JPH0325492U (en) | ||
| JPH0144548Y2 (en) | ||
| JPS6186379U (en) | ||
| JPS62147699U (en) | ||
| JPS5863259U (en) | Multi-stage telescoping arm for construction machinery | |
| JPS61168099U (en) | ||
| JPH0754228Y2 (en) | Three-stage telescopic boom with internal oil supply hose | |
| JPS63197292U (en) | ||
| JPS61107834U (en) | ||
| JPS6211890U (en) | ||
| JPS63175688U (en) | ||
| JPH0350576U (en) | ||
| JPS62136493U (en) | ||
| JPH02120494U (en) | ||
| JPS61135887U (en) | ||
| JPS63136690U (en) | ||
| JPS62176184U (en) | ||
| JPH03107485U (en) | ||
| JPS6313995U (en) | ||
| JPH0449189U (en) | ||
| JPH0389093U (en) | ||
| JPS61135888U (en) | ||
| JPH0328190U (en) | ||
| JPS6324188U (en) |