JPH0426995U - - Google Patents
Info
- Publication number
- JPH0426995U JPH0426995U JP6940690U JP6940690U JPH0426995U JP H0426995 U JPH0426995 U JP H0426995U JP 6940690 U JP6940690 U JP 6940690U JP 6940690 U JP6940690 U JP 6940690U JP H0426995 U JPH0426995 U JP H0426995U
- Authority
- JP
- Japan
- Prior art keywords
- boom
- bending
- cylinder
- boss portion
- extending
- 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
- 238000005452 bending Methods 0.000 claims description 7
Landscapes
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案に係る屈伸シリンダの枢支構造
を示す拡大断面図、第２Ａ図および第２Ｂ図は屈
伸片高所作業車を示す平面図および正面図である
。
３……旋回台、１１……下ブーム、１５……上
ブーム、１８……屈伸シリンダ、３１，３２……
ボス部材、３４……支持ピン。
FIG. 1 is an enlarged sectional view showing a pivot structure of a bending/extending cylinder according to the present invention, and FIGS. 2A and 2B are a plan view and a front view showing a bending/extending-piece aerial work vehicle. 3...Swivel base, 11...Lower boom, 15...Upper boom, 18...Bending cylinder, 31, 32...
Boss member, 34...Support pin.
Claims (1)
この下ブームの先端に屈伸自在に取り付けられた
上ブームと、前記下ブームと上ブームとに両端が
それぞれ枢支されてなる伸縮自在な屈伸シリンダ
とからなる屈伸ブームのシリンダ枢支構造であつ
て、 前記屈伸シリンダの少なくとも一端の枢支部が
、前記上ブームあるいは下ブームの側面に溶着さ
れたボス部と、このボス部およびこのボス部が溶
着された前記ブームを貫通するとともにこのブー
ムの側面に対してほぼ直角に延びて加工形成され
た貫通孔と、この貫通孔内に挿入されるとともに
一端が前記ブームの側面から外方に突出して配設
された支持ピンとから構成され、この支持ピンの
前記一端により前記屈伸シリンダの少なくとも一
端を枢支するようにしたことを特徴とする屈伸ブ
ームのシリンダ枢支構造。[Scope of claim for utility model registration] A lower boom that is attached to a base so that it can be raised and lowered freely,
The cylinder pivot structure of the bending boom includes an upper boom bendably attached to the tip of the lower boom, and a extendable cylinder having both ends pivotally supported by the lower boom and the upper boom, respectively. , a pivot portion of at least one end of the bending cylinder passes through a boss portion welded to a side surface of the upper boom or the lower boom, the boss portion and the boom to which the boss portion is welded, and extends to the side surface of the boom. It consists of a through hole that is machined and formed to extend approximately at right angles to the boom, and a support pin that is inserted into the through hole and has one end protruding outward from the side surface of the boom. A cylinder pivot structure for a bending/extending boom, wherein at least one end of the bending/extending cylinder is pivotally supported by the one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6940690U JPH0426995U (en) | 1990-06-29 | 1990-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6940690U JPH0426995U (en) | 1990-06-29 | 1990-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0426995U true JPH0426995U (en) | 1992-03-03 |
Family
ID=31604682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6940690U Pending JPH0426995U (en) | 1990-06-29 | 1990-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426995U (en) |
-
1990
- 1990-06-29 JP JP6940690U patent/JPH0426995U/ja active Pending