JPS5961188U - Hydraulic circuit of hydraulic telescopic boom with attachment - Google Patents
Hydraulic circuit of hydraulic telescopic boom with attachmentInfo
- Publication number
- JPS5961188U JPS5961188U JP15844682U JP15844682U JPS5961188U JP S5961188 U JPS5961188 U JP S5961188U JP 15844682 U JP15844682 U JP 15844682U JP 15844682 U JP15844682 U JP 15844682U JP S5961188 U JPS5961188 U JP S5961188U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- boom
- attachment
- oil passage
- 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
- 239000003921 oil Substances 0.000 claims description 11
- 230000008602 contraction Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はアタッチメント付き油圧伸縮式ブームを有する
トラッククレーンの全体図、第２図は本考案第１実施例
に係る油圧回路図、第３図は本考案第２実施例に係る油
圧回路図、第４図は本考案第３実施例に係る油圧回路図
、第５図は本考案第４実施例に係る油圧回路図、第６図
は本考案第５実施例に係る油圧回路図である。
１・・・・・・アタッチメント駆動用油圧アクチュエー
タ、２，３・・・・・・ブーム伸縮用油圧シリンダ、７
・・・・・・伸び側油路、１０・・・・・・縮み側油路
、２１．２２・・・・・・分岐油路、２３・・・・・・
切換弁、２５・・・・・・作動油制御装置、３０・・・
・・・油圧供給源、３１・・・・・・伸縮ブ ゛−ム。FIG. 1 is an overall view of a truck crane having a hydraulic telescopic boom with an attachment, FIG. 2 is a hydraulic circuit diagram according to the first embodiment of the present invention, and FIG. 3 is a hydraulic circuit diagram according to the second embodiment of the present invention. FIG. 4 is a hydraulic circuit diagram according to a third embodiment of the present invention, FIG. 5 is a hydraulic circuit diagram according to a fourth embodiment of the present invention, and FIG. 6 is a hydraulic circuit diagram according to a fifth embodiment of the present invention. 1... Hydraulic actuator for attachment drive, 2, 3... Hydraulic cylinder for boom extension and contraction, 7
...... Extension side oil path, 10... Contraction side oil path, 21.22... Branch oil path, 23...
Switching valve, 25... Hydraulic oil control device, 30...
...Hydraulic supply source, 31...Telescopic boom.
Claims (1)
駆動される伸縮ブーム３１の先端部に、適宜のアタッチ
メント駆動用油圧アクチュエータ１によって駆動される
補助ジブ、作業台、ウィンチ等のアタッチメント３２を
取付け、前記各ブーム伸縮用油圧シリンダ２，３と前記
アタッチメント駆動用油圧アクチュエータ１を前記伸縮
ブーム３１上又は該伸縮ブーム３１より低位に設置した
油圧供給源３０から供給される作動油によ７つて作動せ
しめる如くしたアタッチメント付油圧伸縮式ブームにお
いて、前記各ブーム伸縮用油圧シリンダ２，３の内の伸
縮ブーム先達側に取付けられるブーム伸縮用油圧シリン
ダ２の伸び側油路７と縮み側油路１０からそれぞれ第１
分岐油路２１と第２分岐油路２２を取り出して該第１、
第２分岐油路２１，２２を切換弁２３を介して前記アタ
ッチメント駆動用油圧アクチュエータ１に接続したこと
を特徴とするアタッチメント付き油圧伸縮式ブームの油
圧回路。An attachment 32 such as an auxiliary jib, workbench, winch, etc., driven by an appropriate attachment drive hydraulic actuator 1, is attached to the tip of a telescoping boom 31 that is telescopically driven by an appropriate number of boom telescoping hydraulic cylinders 2 and 3. , the respective boom telescoping hydraulic cylinders 2 and 3 and the attachment driving hydraulic actuator 1 are operated by hydraulic oil supplied from a hydraulic pressure supply source 30 installed on or below the telescoping boom 31. In the hydraulic telescopic boom with an attachment, the oil is supplied from the extension side oil passage 7 and the contraction side oil passage 10 of the boom telescoping hydraulic cylinder 2 attached to the telescopic boom leading side of each of the boom telescoping hydraulic cylinders 2 and 3. 1st each
The branch oil passage 21 and the second branch oil passage 22 are taken out and the first branch oil passage 21 and the second branch oil passage 22 are taken out.
A hydraulic circuit for a hydraulic telescopic boom with an attachment, characterized in that second branch oil passages 21 and 22 are connected to the attachment driving hydraulic actuator 1 via a switching valve 23.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15844682U JPS5961188U (en) | 1982-10-18 | 1982-10-18 | Hydraulic circuit of hydraulic telescopic boom with attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15844682U JPS5961188U (en) | 1982-10-18 | 1982-10-18 | Hydraulic circuit of hydraulic telescopic boom with attachment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5961188U true JPS5961188U (en) | 1984-04-21 |
| JPS6326393Y2 JPS6326393Y2 (en) | 1988-07-18 |
Family
ID=30349048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15844682U Granted JPS5961188U (en) | 1982-10-18 | 1982-10-18 | Hydraulic circuit of hydraulic telescopic boom with attachment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5961188U (en) |
-
1982
- 1982-10-18 JP JP15844682U patent/JPS5961188U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6326393Y2 (en) | 1988-07-18 |
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