JPH0269692U - - Google Patents
Info
- Publication number
- JPH0269692U JPH0269692U JP14988688U JP14988688U JPH0269692U JP H0269692 U JPH0269692 U JP H0269692U JP 14988688 U JP14988688 U JP 14988688U JP 14988688 U JP14988688 U JP 14988688U JP H0269692 U JPH0269692 U JP H0269692U
- Authority
- JP
- Japan
- Prior art keywords
- arm
- counterweight
- gantry
- crane
- lifting rope
- 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
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
Description
第１図は本考案の第１実施例を示す一部断面側
面図、第２図は第１図の一部拡大図、第３図は第
２図―線断面図、第４図は第２図―線拡
大断面図、第５図は本考案の第２実施例を示す第
１図相当図、第６図は同第２図相当図である。
１……上部旋回体のメインフレーム、２……ウ
エイト載置台、３……カウンタウエイト、４……
ガントリ、８……ガントリピーク部としてのガン
トリシーブ軸、９……ウエイト昇降ロープ用ガイ
ドシーブ、１０……ウエイト昇降用ウインチドラ
ム、１１……ウエイト昇降ロープ、１５……揺動
アーム、１６……ロープ規制部材としての引張り
用シーブ、１８……アーム引張り手段としての油
圧シリンダ、１９……アーム引張り手段を構成す
るアーム引張り用ウインチドラム、２０……同ア
ーム引張りロープ。
FIG. 1 is a partially sectional side view showing the first embodiment of the present invention, FIG. 2 is a partially enlarged view of FIG. 1, FIG. 3 is a sectional view taken along the line of FIG. 5 is a diagram corresponding to FIG. 1 showing a second embodiment of the present invention, and FIG. 6 is a diagram corresponding to FIG. 2. 1... Main frame of the upper revolving body, 2... Weight mounting table, 3... Counterweight, 4...
Gantry, 8... Gantry sheave shaft as gantry peak portion, 9... Guide sheave for weight lifting rope, 10... Winch drum for lifting weight, 11... Weight lifting rope, 15... Swinging arm, 16... A tensioning sheave as a rope regulating member, 18...A hydraulic cylinder as an arm tensioning means, 19...A winch drum for arm tensioning constituting an arm tensioning means, 20...An arm tensioning rope.
Claims (1)
着可能に設けられるとともに、同旋回体上にガン
トリが、ガントリピーク部がカウンタウエイトの
上方に位置する状態で起伏可能に設けられたクレ
ーンにおいて、上記ガントリピーク部に設けられ
たウエイト昇降ロープ用ガイドシーブと、上部旋
回体に設けられたウエイト昇降用ウインチドラム
と、このウエイト昇降用ウインチドラムとカウン
タウエイトとを上記ウエイト昇降ロープ用ガイド
シーブを介して連繋するウエイト昇降ロープと、
上記ガントリピーク部に水平軸を中心として前後
方向に揺動可能に取付けられた揺動アームと、上
記ウエイト昇降ロープ用ガイドシーブとカウンタ
ウエイトとの間でウエイト昇降ロープに後方から
接触してロープ位置を規制するように上記揺動ア
ームに設けられたロープ規制部材と、揺動アーム
を前方に引張るアーム引張り手段とを具備してな
ることを特徴とするクレーンのカウンタウエイト
脱着装置。 ２ アーム引張り手段が、ガントリと揺動アーム
との間に設けられた油圧シリンダであることを特
徴とする請求項１記載のクレーンのカウンタウエ
イト脱着装置。 ３ アーム引張り手段が、上部旋回体に設けられ
たアーム引張り用ウインチドラムと、このドラム
と揺動アームとを連繋するアーム引張りロープと
によつて構成されたことを特徴とする請求項１記
載のクレーンのカウンタウエイト脱着装置。[Claims for Utility Model Registration] 1. A counterweight is removably provided at the rear end of the upper rotating body, and a gantry can be raised and lowered on the rotating body with the gantry peak located above the counterweight. In a crane installed in A weight lifting rope connected via a lifting rope guide sheave,
The swinging arm, which is attached to the gantry peak part so as to be able to swing back and forth about the horizontal axis, contacts the weight lifting rope from behind between the weight lifting rope guide sheave and the counterweight, and the rope position A counterweight attachment/detachment device for a crane, comprising: a rope regulating member provided on the swinging arm so as to regulate the swinging arm; and an arm pulling means for pulling the swinging arm forward. 2. The crane counterweight attachment/detachment device according to claim 1, wherein the arm tensioning means is a hydraulic cylinder provided between the gantry and the swing arm. 3. The arm tensioning means according to claim 1, wherein the arm tensioning means is constituted by an arm tensioning winch drum provided on the revolving upper structure, and an arm tensioning rope connecting the drum and the swinging arm. Crane counterweight attachment/detachment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14988688U JPH0269692U (en) | 1988-11-16 | 1988-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14988688U JPH0269692U (en) | 1988-11-16 | 1988-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0269692U true JPH0269692U (en) | 1990-05-28 |
Family
ID=31422526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14988688U Pending JPH0269692U (en) | 1988-11-16 | 1988-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0269692U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081095A (en) * | 2000-09-08 | 2002-03-22 | Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd | Counterweight attaching/detaching device for construction machine |
-
1988
- 1988-11-16 JP JP14988688U patent/JPH0269692U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081095A (en) * | 2000-09-08 | 2002-03-22 | Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd | Counterweight attaching/detaching device for construction machine |
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