JPS6359198U - - Google Patents
Info
- Publication number
- JPS6359198U JPS6359198U JP15407486U JP15407486U JPS6359198U JP S6359198 U JPS6359198 U JP S6359198U JP 15407486 U JP15407486 U JP 15407486U JP 15407486 U JP15407486 U JP 15407486U JP S6359198 U JPS6359198 U JP S6359198U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- cylinder
- link
- pivot point
- cargo handling
- 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
Description
第１図は、本考案の実施例に係る伸縮ブーム装
置を示す概要側面図。第２図は、従来の伸縮ブー
ム装置を示す側面図である。
１……伸縮ブーム装置、２……固定ブーム、３
……ブームシリンダ、４……可動ブーム、５……
リーチシリンダ、６……リンク、７……伸縮シリ
ンダ、８……荷役具、９……テイルトシリンダ。
FIG. 1 is a schematic side view showing a telescopic boom device according to an embodiment of the present invention. FIG. 2 is a side view showing a conventional telescopic boom device. 1...Telescopic boom device, 2...Fixed boom, 3
...Boom cylinder, 4...Movable boom, 5...
Reach cylinder, 6... link, 7... telescopic cylinder, 8... cargo handling tool, 9... tail cylinder.
Claims (1)
ームと、車体と固定ブームとの間に介設されて車
体に対して固定ブームを俯仰させる為のブームシ
リンダと、固定ブームに伸縮自在に設けられた可
動ブームと、固定ブームと可動ブームとの間に介
設されて固定ブームに対して可動ブームを伸縮さ
せる為のリーチシリンダと、可動ブームの中程に
俯仰自在に設けられたリンクと、リンクと車体と
の間に介設されてリーチシリンダと同期して伸縮
し得る伸縮シリンダと、可動ブームの先端に俯仰
自在に設けられた荷役具と、荷役具とリンクとの
間に介装されて可動ブームに対して荷役具を俯仰
させる為のテイルトシリンダとから成り、前記車
体と固定ブームとの枢結点，可動ブームとリンク
との枢結点，リンクと伸縮シリンダとの枢結点，
伸縮シリンダと車体との枢結点を結ぶ仮想四辺形
と、可動ブームとリンクとの枢結点，可動ブーム
と荷役具との枢結点，荷役具とテイルトシリンダ
との枢結点，テイルトシリンダとリンクとの枢結
点を結ぶ仮想四辺形とが夫々平行四辺形を為すべ
く構成した事を特徴とする伸縮ブーム装置。 A fixed boom provided on the body of a cargo handling vehicle so as to be able to be raised and raised freely; a boom cylinder that is interposed between the vehicle body and the fixed boom to raise and lower the fixed boom with respect to the vehicle body; a movable boom, a reach cylinder interposed between the fixed boom and the movable boom to extend and retract the movable boom with respect to the fixed boom, a link provided in the middle of the movable boom so that it can be raised and lowered, and a link. A telescopic cylinder is interposed between the vehicle body and the reach cylinder and can extend and contract in synchronization with the reach cylinder, a cargo handling tool is provided at the tip of the movable boom so that it can be raised and raised freely, and the cargo handling tool is interposed between the cargo handling tool and the link. It consists of a tail cylinder for raising and lowering the cargo handling equipment with respect to the movable boom, a pivot point between the vehicle body and the fixed boom, a pivot point between the movable boom and the link, a pivot point between the link and the telescopic cylinder,
A virtual quadrilateral connecting the pivot point between the telescopic cylinder and the vehicle body, the pivot point between the movable boom and the link, the pivot point between the movable boom and the cargo handling tool, the pivot point between the cargo handling tool and the tail cylinder, and the tail. A telescopic boom device characterized in that virtual quadrilaterals connecting the pivot points of the cylinder and the link are each configured to form a parallelogram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15407486U JPS6359198U (en) | 1986-10-06 | 1986-10-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15407486U JPS6359198U (en) | 1986-10-06 | 1986-10-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6359198U true JPS6359198U (en) | 1988-04-20 |
Family
ID=31073539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15407486U Pending JPS6359198U (en) | 1986-10-06 | 1986-10-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6359198U (en) |
-
1986
- 1986-10-06 JP JP15407486U patent/JPS6359198U/ja active Pending