JPS6324186U - - Google Patents
Info
- Publication number
- JPS6324186U JPS6324186U JP11833686U JP11833686U JPS6324186U JP S6324186 U JPS6324186 U JP S6324186U JP 11833686 U JP11833686 U JP 11833686U JP 11833686 U JP11833686 U JP 11833686U JP S6324186 U JPS6324186 U JP S6324186U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- rope
- tip
- extension
- extend
- 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図は本考案の実施例にかかるクレーンにお
ける伸縮ブームの側面図、第２図は同平面図、第
３図は同一部拡大側面図である。
１……基端ブーム（下段ブーム）、２……中間
ブーム、３……先端ブーム、４……伸長用ロープ
、５……ロープ折返しガイド部材、６……エンド
金具、７……エンド金具の基部側ピース、７ａ…
…同ピースの取付部としてのピン連結部、８……
同先端側ピース、８ａ……同ピースの取付部とし
てのねじ部、９……基端ブームのロープエンド止
着具用ブラケツト、１０，１０……同ナツト、１
１……伸長用シシーブ、１２……中間ブームのロ
ープエンド止着用ピン。
FIG. 1 is a side view of a telescopic boom in a crane according to an embodiment of the present invention, FIG. 2 is a plan view of the same, and FIG. 3 is a partially enlarged side view of the same. 1... Proximal boom (lower boom), 2... Intermediate boom, 3... Tip boom, 4... Extension rope, 5... Rope folding guide member, 6... End fitting, 7... End fitting Base side piece, 7a...
...Pin connection part as a mounting part of the same piece, 8...
Same tip side piece, 8a... Threaded part as a mounting part of the same piece, 9... Bracket for rope end fastening device of base end boom, 10, 10... Same nut, 1
1... Extension sheave, 12... Intermediate boom rope end fixing pin.
Claims (1)
されて伸縮ブームが構成され、この伸縮ブームに
おける先端ブームと、この先端ブームの下方に連
続する中間および下段ブームのうち、下段ブーム
と中間ブームとの間に、中間ブームを伸縮作動さ
せる伸縮シリンダが設けられるとともに、中間ブ
ームと連動して先端ブームを伸長作動させるロー
プ式ブーム伸長装置が設けられ、このロープ式ブ
ーム伸長装置は、先端ブームに設けられたロープ
折返しガイド部材と、中間ブームの先端部左右両
側に設けられた伸長用シーブと、中間部が上記ロ
ープ折返しガイド部材に通された二つ折り状態で
両側ロープエンドが上記伸長用シーブを介して下
段ブームの先端部に着脱可能に止着される伸長用
ロープとによつて構成される伸縮ブームを備えた
クレーンにおいて、上記伸長用ロープの両側ロー
プエンドにそれぞれエンド金具が設けられる一方
、上記下段ブームおよび中間ブームの各先端部左
右両側にそれぞれロープエンド止着部が設けられ
、上記エンド金具は、先端側および基部側両ピー
スがロープ軸方向に着脱可能に連結されてなり、
先端側ピースに、上記下段ブームのロープエンド
止着部に伸長用ロープ緊張状態で取付けられる取
付部、基部側ピースに、上記中間ブームのロープ
エンド止着部に伸長用ロープ緊張状態で取付けら
れる取付部がそれぞれ設けられてなることを特徴
とする伸縮ブームを備えたクレーン。 Three or more booms are slidably fitted together in order to form a telescopic boom, and among the top boom of this telescopic boom, and the intermediate and lower booms that are continuous below the top boom, the lower boom and the intermediate boom are connected to each other. A telescopic cylinder is provided between the intermediate boom to extend and retract the intermediate boom, and a rope-type boom extension device is provided to extend and extend the tip boom in conjunction with the intermediate boom. the rope folding guide member, the extension sheave provided on both left and right sides of the tip of the intermediate boom, and the rope ends on both sides passing through the extension sheave in a bifold state in which the intermediate part is passed through the rope folding guide member. In a crane equipped with an extension rope that is removably attached to the tip of the lower boom, end fittings are provided at both rope ends of the extension rope, and end fittings are provided at both rope ends of the extension rope. Rope end fixing parts are provided on both left and right sides of the tip of each of the lower boom and the middle boom, and the end fitting has both the tip and base pieces removably connected in the rope axial direction,
On the tip side piece, a mounting part that is attached to the rope end attachment part of the lower boom in a tensioned state, and on the base side piece, an attachment part that is attached to the rope end attachment part of the intermediate boom in a tensioned state. A crane equipped with a telescoping boom characterized by having separate sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11833686U JPS6324186U (en) | 1986-07-31 | 1986-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11833686U JPS6324186U (en) | 1986-07-31 | 1986-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6324186U true JPS6324186U (en) | 1988-02-17 |
Family
ID=31004696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11833686U Pending JPS6324186U (en) | 1986-07-31 | 1986-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324186U (en) |
-
1986
- 1986-07-31 JP JP11833686U patent/JPS6324186U/ja active Pending
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