JPS60117388U - Refractive boom device - Google Patents
Refractive boom deviceInfo
- Publication number
- JPS60117388U JPS60117388U JP504484U JP504484U JPS60117388U JP S60117388 U JPS60117388 U JP S60117388U JP 504484 U JP504484 U JP 504484U JP 504484 U JP504484 U JP 504484U JP S60117388 U JPS60117388 U JP S60117388U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- base
- tip
- link
- pivotally supported
- 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
Landscapes
- Jib Cranes (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、第２図は従来の屈折式ブーム装置の正面図と右
側面図、第３図、第４図は本考案の屈折式ブーム装置の
正面図と右側面図、第５図は第４図の先部ブームと連結
用シャフトとの軸支部の詳細断面図である。
１は基部ブーム、２は先部ブーム、３は連結用シャフト
、４は屈折リンク、５はリンク用シャフト、６は杆支持
用シャフト、７は連結杆、８は油圧シリンダ、９はシリ
ンダ支持用シャフトであ′る。1 and 2 are a front view and a right side view of a conventional retractable boom device, FIGS. 3 and 4 are a front view and a right side view of a retractable boom device of the present invention, and FIG. 5 is a front view and a right side view of a conventional retractable boom device. FIG. 5 is a detailed cross-sectional view of the shaft support between the tip boom and the connecting shaft in FIG. 4; 1 is a base boom, 2 is a tip boom, 3 is a connecting shaft, 4 is a bending link, 5 is a link shaft, 6 is a rod support shaft, 7 is a connecting rod, 8 is a hydraulic cylinder, 9 is for cylinder support It's a shaft.
Claims (1)
折自在に接続した屈折ブーム装置において、前記連結用
シャフトの中央に空間部を設けるように、連結用シャフ
トの一端側には、基部ブームの先部を軸支し、他端側に
は先部ブームの基部を軸支し、屈折リンクを連結用シャ
フトに近接した基部ブームと先部ブームとの間の空間部
に配置し、この屈折リンクの一端を基部ブームの先部よ
り内側に突出したリンク用シャフトに軸支し、屈折リン
クの他端を、先部ブームの基部より内側に突出した杆支
持用シャフトに一端を軸支した連結杆の他端に連着させ
、油圧シリンダの基部を基部ブームの略中央部より内側
に突出したシリンダ支持用シャフトに軸支し、油圧シリ
ンダの先部を屈折リンクの略中央部に軸支してなる屈折
式ブーム装置。In a bending boom device in which a base boom and a tip boom are bendably connected by a connecting shaft, the tip of the base boom is attached to one end of the connecting shaft so that a space is provided in the center of the connecting shaft. The base of the tip boom is pivotably supported on the other end side, and the bending link is placed in the space between the base boom and the tip boom close to the connecting shaft, and one end of the bending link is placed in the space between the base boom and the tip boom. The other end of the connecting rod is pivotally supported on a link shaft that protrudes inward from the tip of the base boom, and the other end of the bending link is pivotally supported on a rod support shaft that protrudes inward from the base of the tip boom. A refracting type in which the base of the hydraulic cylinder is pivotally supported on a cylinder support shaft that protrudes inward from approximately the center of the base boom, and the tip of the hydraulic cylinder is pivotally supported approximately at the center of the refracting link. boom device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP504484U JPS60117388U (en) | 1984-01-17 | 1984-01-17 | Refractive boom device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP504484U JPS60117388U (en) | 1984-01-17 | 1984-01-17 | Refractive boom device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60117388U true JPS60117388U (en) | 1985-08-08 |
| JPS644790Y2 JPS644790Y2 (en) | 1989-02-07 |
Family
ID=30481195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP504484U Granted JPS60117388U (en) | 1984-01-17 | 1984-01-17 | Refractive boom device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60117388U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019073370A (en) * | 2017-10-16 | 2019-05-16 | 古河ユニック株式会社 | Outrigger device |
-
1984
- 1984-01-17 JP JP504484U patent/JPS60117388U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019073370A (en) * | 2017-10-16 | 2019-05-16 | 古河ユニック株式会社 | Outrigger device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS644790Y2 (en) | 1989-02-07 |
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