JPH0313511Y2 - - Google Patents
Info
- Publication number
- JPH0313511Y2 JPH0313511Y2 JP4802585U JP4802585U JPH0313511Y2 JP H0313511 Y2 JPH0313511 Y2 JP H0313511Y2 JP 4802585 U JP4802585 U JP 4802585U JP 4802585 U JP4802585 U JP 4802585U JP H0313511 Y2 JPH0313511 Y2 JP H0313511Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- sheave
- tip
- attached
- arm
- 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.)
- Expired
Links
- 238000013459 approach Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
【考案の詳細な説明】
(1) 産業上の利用分野
本考案は５段伸縮ブームを備えた高所作業車あ
るいはクレーン車の伸縮ブームの先端に圧油を供
給する送油装置に関するものである。[Detailed description of the invention] (1) Industrial application field The present invention relates to an oil supply device that supplies pressurized oil to the tip of the telescoping boom of an aerial work vehicle or crane vehicle equipped with a five-stage telescoping boom. .
(2) 従来の技術
従来、伸縮ブームの先端に圧油を供給する送油
装置は、実公昭59−29040号公報に記載されてい
るような３段伸縮ブームにおける送油装置があ
る。(2) Prior Art Conventionally, as an oil feeding device for supplying pressure oil to the tip of a telescopic boom, there is an oil feeding device for a three-stage telescopic boom as described in Japanese Utility Model Publication No. 59-29040.
(3) 考案が解決しようとする問題点
しかし、従来の送油装置においては、５段伸縮
ブームにおける伸縮ブーム先端部への送油ができ
ないという問題がある。(3) Problems to be solved by the invention However, in the conventional oil supply device, there is a problem in that it is not possible to supply oil to the tip of the telescoping boom in a five-stage telescoping boom.
(4) 問題点を解決するための手段
本考案は、上記の問題点を解決するために、５
段伸縮ブームにおいて、一端が第２ブーム２先端
に取付けられ、他端が第１ブーム側面に平行に位
置する自由端である逆Ｌ字型のアームと、このア
ームの自由端に上下に位置するように枢支された
第１シーブ及び第３シーブと、第１ブーム先端に
枢支された第２シーブと、第１ブームの先端に取
付けられ、第１シーブ、第２シーブ及び第３シー
ブに順次掛渡されて第５ブーム先端に取付けられ
た油圧ホースとを備えたもの。(4) Means for solving the problems In order to solve the above problems, the present invention has five
In a stage telescopic boom, one end is attached to the tip of the second boom 2, and the other end is a free end located parallel to the side of the first boom, which is an inverted L-shaped arm, and an arm located above and below the free end of this arm A first sheave and a third sheave are pivotally supported, a second sheave is pivotally supported on the tip of the first boom, and a second sheave is attached to the tip of the first boom and the first sheave, second sheave, and third sheave are attached to the tip of the first boom. It is equipped with a hydraulic hose that is sequentially stretched and attached to the tip of the fifth boom.
(5) 作用
上記の構成により、伸縮ブームの第２ブーム、
第３ブーム、第４ブーム及び第５ブームを同時に
伸縮することにより、第２ブームと連動するアー
ムに枢支された第１シーブと第３シーブによつて
伸縮ストロークと同じ長さの油圧ホースが繰出
し、収納され、先端ブームへ圧油を供給する。(5) Effect With the above configuration, the second boom of the telescopic boom,
By simultaneously extending and retracting the third, fourth, and fifth booms, the first and third sheaves, which are pivotally supported on the arm that interlocks with the second boom, can extend the hydraulic hose of the same length as the extension and retraction stroke. It is paid out, stored, and supplies pressure oil to the tip boom.
(6) 実施例
以下、図面により本考案の実施例について説明
する。(6) Examples Examples of the present invention will be described below with reference to the drawings.
第１図に示すように、第１ブーム１に第２ブー
ム２、第３ブーム３、第４ブーム４及び第５ブー
ム５が順次テレスコープ状に連結された伸縮ブー
ムは、内蔵された伸縮装置（図示せず）により、
第２ブーム２は第１ブーム１に対して、第３ブー
ム３は第２ブーム２に対して、第４ブーム４は第
３ブーム３に対して、第５ブーム５は第４ブーム
４に対して、同時に同一長さ伸縮し、第５ブーム
５の先端には作業台６が取付けられており、作業
台６には操作装置７が備えられている。 As shown in FIG. 1, the telescopic boom has a first boom 1, a second boom 2, a third boom 3, a fourth boom 4, and a fifth boom 5 sequentially connected in a telescopic manner. (not shown)
The second boom 2 is relative to the first boom 1, the third boom 3 is relative to the second boom 2, the fourth boom 4 is relative to the third boom 3, and the fifth boom 5 is relative to the fourth boom 4. A workbench 6 is attached to the tip of the fifth boom 5, and the workbench 6 is equipped with an operating device 7.
第２ブーム２先端側面には逆Ｌ字型のアーム８
の一端が取付けれ、アーム８の他端は伸縮ブーム
の全縮小時に第１ブーム１後端側面に位置し、伸
縮ブームの伸縮にともない第１ブーム１側面に沿
つて平行に移動する自由端であり、アーム８は第
２図に示すようにアーム８の側面後方に枢支した
ローラ１０が第１ブーム１側面に取付けた断面コ
字型のガイドレール９内に支持され、ガイドレー
ル９に沿つてローラ１０が移動する。アーム８の
自由端には下方に第１シーブ１１、上方に第３シ
ーブ１３が枢支され、第１ブーム１先端側面には
第２シーブ１２が枢支されている。 An inverted L-shaped arm 8 is attached to the side of the tip of the second boom 2.
One end of the arm 8 is attached, and the other end of the arm 8 is a free end that is located on the side of the rear end of the first boom 1 when the telescopic boom is fully retracted, and moves parallel to the side of the first boom 1 as the telescopic boom expands and contracts. As shown in FIG. 2, the arm 8 is supported within a guide rail 9 having a U-shaped cross section attached to the side of the first boom 1, and a roller 10 pivoted at the rear of the side of the arm 8. Then the roller 10 moves. A first sheave 11 is pivotally supported on the free end of the arm 8, and a third sheave 13 is pivotally supported above the arm 8. A second sheave 12 is pivotally supported on the side surface of the tip of the first boom 1.
油圧源あるいは他の油圧機器に連結された配管
１４が第１ブーム１に沿つて設けられ、第１ブー
ム１の先端でＵ字状に反転された配管１４には油
圧ホース１５が連結され、油圧ホース１５は第１
シーブ１１に掛渡されて反転され、反転した油圧
ホース１５は第２シーブ１２に掛渡されて反転さ
れ、反転した油圧ホース１５は第３シーブ１３に
掛渡されて反転され、反転した油圧ホース１５は
伸縮ブームの側面を通つて第５ブーム５先端に取
付けられた後作業台６の操作装置７に連結されて
いる。 A piping 14 connected to a hydraulic power source or other hydraulic equipment is provided along the first boom 1, and a hydraulic hose 15 is connected to the piping 14, which is inverted into a U-shape at the tip of the first boom 1. Hose 15 is the first
The hydraulic hose 15 that has been wrapped around the sheave 11 and reversed has been wrapped around the second sheave 12 and has been reversed. 15 is attached to the tip of the fifth boom 5 through the side of the telescopic boom and connected to the operating device 7 of the rear workbench 6.
上記の構成により、第１図に示す伸縮ブームの
全縮小状態から伸縮ブームを伸長させると、第２
ブーム２、第３ブーム３、第４ブーム４及び第５
ブーム５が同時に伸長し、第２ブーム２に取付け
たアーム８の前方への移動にともなつて第２ブー
ムの伸長量だけ第１シーブ１１及び第３シーブ１
３が第１ブーム１の側面に沿つて前方へ移動して
第２シーブ１２に近付き、第２ブーム２の伸長量
の４倍の長さの油圧ホース１５が繰出されるた
め、伸縮ブーム全体の伸長量がカバーされ、第３
図に示すように伸長した伸縮ブームの先端に圧油
が供給される。 With the above configuration, when the telescopic boom is extended from the fully contracted state shown in Fig. 1, the second
Boom 2, 3rd boom 3, 4th boom 4 and 5th boom
The boom 5 simultaneously extends, and as the arm 8 attached to the second boom 2 moves forward, the first sheave 11 and the third sheave 1 extend by the amount of extension of the second boom.
3 moves forward along the side of the first boom 1 and approaches the second sheave 12, and the hydraulic hose 15 with a length four times the extension amount of the second boom 2 is paid out, so that the entire telescopic boom The amount of elongation is covered and the third
As shown in the figure, pressurized oil is supplied to the tip of the extended telescopic boom.
伸縮ブームを縮小させるときは、上記伸長時と
逆の作動により、第１シーブ１１及び第３シーブ
１３が第１ブーム１の側面に沿つて後方へ移動し
て第２シーブ１２から離れ、伸縮ブームの縮小量
と同じ長さの油圧ホースが収納される。 When retracting the telescopic boom, the first sheave 11 and the third sheave 13 move rearward along the side of the first boom 1 and separate from the second sheave 12 by the opposite operation to the above-mentioned extension, and the retractable boom A hydraulic hose of the same length as the amount of reduction is stored.
(7) 考案の効果
以上のように、本考案によれば、簡単な構造に
より、油圧ホースがたるむことなく、５段伸縮ブ
ームにおける伸縮ブーム先端への送油ができる伸
縮ブームの送油装置が提供されるのである。(7) Effects of the invention As described above, according to the invention, there is a telescopic boom oil feeding device that has a simple structure and is capable of delivering oil to the tip of the telescopic boom in a five-stage telescopic boom without sagging the hydraulic hose. It is provided.
図面は本考案の実施例を示し、第１図はブーム
を縮小した状態を示す側面図、第２図は第１図の
−断面図、第３図はブームを伸長した状態を
示す側面図である。
１……第１ブーム、２……第２ブーム、３……
第３ブーム、４……第４ブーム、５……第５ブー
ム、８……アーム、１１……第１シーブ、１２…
…第２シーブ、１３……第３シーブ、１５……油
圧ホース。
The drawings show an embodiment of the present invention; FIG. 1 is a side view showing the boom in a contracted state, FIG. 2 is a cross-sectional view of FIG. 1, and FIG. 3 is a side view showing the boom in an extended state. be. 1...First boom, 2...Second boom, 3...
3rd boom, 4...4th boom, 5...5th boom, 8...arm, 11...1st sheave, 12...
...Second sheave, 13...Third sheave, 15...Hydraulic hose.
Claims (1)
ーム及び第５ブームを順次テレスコープ状に連結
した５段伸縮ブームにおいて、一端が第２ブーム
先端に取付けられ、他端が第１ブーム側面に平行
に位置する自由端である逆Ｌ字型のアームと、こ
のアームの自由端に上下に位置するように枢支さ
れた第１シーブ及び第３シーブと、第１ブーム先
端に枢支された第２シーブと、第１ブームの先端
に取付けられ第１シーブ、第２シーブ及び第３シ
ーブに順次掛渡されて第５ブーム先端に取付けら
れた油圧ホースとを備えたことを特徴とする伸縮
ブームの送油装置。 In a 5-stage telescopic boom in which a second boom, a third boom, a fourth boom, and a fifth boom are sequentially connected to the first boom in a telescopic manner, one end is attached to the tip of the second boom, and the other end is attached to the side of the first boom. an inverted L-shaped arm with a free end located parallel to the arm, a first sheave and a third sheave pivotally supported on the free end of this arm so as to be positioned vertically, and a first sheave and a third sheave pivotally supported on the tip of the first boom. and a hydraulic hose attached to the tip of the first boom, sequentially wrapped around the first sheave, second sheave, and third sheave, and attached to the tip of the fifth boom. Telescopic boom oil delivery device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4802585U JPH0313511Y2 (en) | 1985-03-29 | 1985-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4802585U JPH0313511Y2 (en) | 1985-03-29 | 1985-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61163288U JPS61163288U (en) | 1986-10-09 |
| JPH0313511Y2 true JPH0313511Y2 (en) | 1991-03-27 |
Family
ID=30563889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4802585U Expired JPH0313511Y2 (en) | 1985-03-29 | 1985-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0313511Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040013483A (en) * | 2002-08-07 | 2004-02-14 | 씨에스기계 주식회사 | Device inserting multi-boom of crane |
-
1985
- 1985-03-29 JP JP4802585U patent/JPH0313511Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61163288U (en) | 1986-10-09 |
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