JPH037187U - - Google Patents

Info

Publication number
JPH037187U
JPH037187U JP6677589U JP6677589U JPH037187U JP H037187 U JPH037187 U JP H037187U JP 6677589 U JP6677589 U JP 6677589U JP 6677589 U JP6677589 U JP 6677589U JP H037187 U JPH037187 U JP H037187U
Authority
JP
Japan
Prior art keywords
rope
hoisting
pair
frame
jib
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
Application number
JP6677589U
Other languages
Japanese (ja)
Other versions
JPH078543Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP6677589U priority Critical patent/JPH078543Y2/en
Publication of JPH037187U publication Critical patent/JPH037187U/ja
Application granted granted Critical
Publication of JPH078543Y2 publication Critical patent/JPH078543Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す側面図、第２
図は第１図の背面図、第３図Ａ，Ｂは要部を示す
背面図、第４図は第３図の側面図、第５図は本実
施例のロープの系統を示す概略斜視図、第６図は
本実施例の作用を説明する図、第７図は従来例を
示す側面図である。 図中、１……マスト、２……上部フレーム、３
……ジブ、５……巻上用ロープ、６……頂部フレ
ーム、９……起伏用ロープ、１０，１１，１２…
…シーブ、１３，１４……ドラムとしての巻上用
ドラムおよび起伏用ドラム、１５……フローテイ
ングフレーム、１７……動滑車、１８……固定滑
車、２０……テンシヨンバである。 Figure 1 is a side view showing one embodiment of the present invention;
The figure is a rear view of Figure 1, Figures 3A and B are rear views showing the main parts, Figure 4 is a side view of Figure 3, and Figure 5 is a schematic perspective view showing the rope system of this embodiment. , FIG. 6 is a diagram explaining the operation of this embodiment, and FIG. 7 is a side view showing a conventional example. In the diagram, 1...mast, 2...upper frame, 3
...Jib, 5...Hoisting rope, 6...Top frame, 9...Luffing rope, 10, 11, 12...
... sheave, 13, 14 ... hoisting drum and undulating drum as drums, 15 ... floating frame, 17 ... movable pulley, 18 ... fixed pulley, 20 ... tension bar.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マスト上の上部フレームに起伏自在なジブ設け
、上記上部フレームに、ジブを起伏する起伏用ロ
ープおよび左右一対の巻上用ロープのそれぞれを
掛け渡すシーブを有する頂部フレームを設けると
共に、上記上部フレーム上に、これらロープを巻
回するドラムをそれぞれ設け、上記起伏用ロープ
の途中に、そのロープと一体的に移動する水平方
向に延びるフローテイングフレームを設け、該フ
ローテイングフレームに左右に離間させて一対の
動滑車を設け、上記フローテイングフレームから
巻上用ドラム側に離間させて、互いに近接する一
対の固定滑車を設けると共に、その間に互いに巻
上用ロープの途中を多条に掛け渡し、該固定滑車
をマスト下部から上方に延びるテンシヨンバで支
持したことを特徴とするジブクレーン。 An upper frame on the mast is provided with a jib that can be raised and lowered freely, and the upper frame is provided with a top frame having a sheave that spans a rope for raising and lowering the jib and a pair of hoisting ropes on the left and right. A drum for winding these ropes is provided respectively, and a floating frame extending in the horizontal direction that moves integrally with the rope is provided in the middle of the above-mentioned uphill rope, and a pair of floating frames are provided on the floating frame spaced apart from each other on the left and right. A movable pulley is provided, and a pair of fixed pulleys are provided close to each other and separated from the floating frame toward the hoisting drum, and a plurality of hoisting ropes are stretched between them, and the hoisting rope is fixed. A jib crane characterized by a pulley supported by a tension bar extending upward from the bottom of the mast.
JP6677589U 1989-06-09 1989-06-09 Jib crane Expired - Lifetime JPH078543Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6677589U JPH078543Y2 (en) 1989-06-09 1989-06-09 Jib crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6677589U JPH078543Y2 (en) 1989-06-09 1989-06-09 Jib crane

Publications (2)

Publication Number Publication Date
JPH037187U true JPH037187U (en) 1991-01-23
JPH078543Y2 JPH078543Y2 (en) 1995-03-01

Family

ID=31599773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6677589U Expired - Lifetime JPH078543Y2 (en) 1989-06-09 1989-06-09 Jib crane

Country Status (1)

Country Link
JP (1) JPH078543Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016044024A (en) * 2014-08-21 2016-04-04 株式会社小川製作所 Roping structure of construction tower crane or gib crane

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013175614A1 (en) * 2012-05-24 2013-11-28 日本たばこ産業株式会社 Tobacco leaf shredding machine and tobacco leaf shredding method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016044024A (en) * 2014-08-21 2016-04-04 株式会社小川製作所 Roping structure of construction tower crane or gib crane

Also Published As

Publication number Publication date
JPH078543Y2 (en) 1995-03-01

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term