JPS63161293U - - Google Patents
Info
- Publication number
- JPS63161293U JPS63161293U JP5405487U JP5405487U JPS63161293U JP S63161293 U JPS63161293 U JP S63161293U JP 5405487 U JP5405487 U JP 5405487U JP 5405487 U JP5405487 U JP 5405487U JP S63161293 U JPS63161293 U JP S63161293U
- Authority
- JP
- Japan
- Prior art keywords
- sides
- jib
- hydraulic cylinder
- boom
- vertical shaft
- 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)
Description
図面はこの考案に係るブームへのジブの張架装
置の一実施例を示すもので、第１図は一部を切除
して示すジブ部分の側面図、第２図はその要部の
平面図、第３図及び第４図は第１図の―線及
び―線に沿う断面図、第５図はその要部を下
面図で示すその作用説明図である。
４……ブームヘツド、１０……ジブ、１２……
脚部、１７，１９，３０……ブラケツト、１８…
…ピン、２２……水平軸、２６……油圧シリンダ
、２５，２９……垂直軸、３１……テンシヨンロ
ツド。
The drawings show an embodiment of a jib tensioning device for a boom according to this invention. Fig. 1 is a partially cutaway side view of the jib section, and Fig. 2 is a plan view of the main part thereof. , FIGS. 3 and 4 are sectional views taken along the lines - and - in FIG. 1, and FIG. 5 is an explanatory view of its operation, showing its essential parts in a bottom view. 4...Boom head, 10...Jib, 12...
Legs, 17, 19, 30...Brackets, 18...
...Pin, 22...Horizontal axis, 26...Hydraulic cylinder, 25, 29...Vertical axis, 31...Tension rod.
Claims (1)
ドの両側下部に軸承する一方、前記ジブ端部に水
平軸により取付けた取付板に、垂直軸により油圧
シリンダの一端を軸着し、かつ該油圧シリンダの
他端に垂直軸で軸着したブラケツトの両側と前記
ブームヘツドの上部両側とを一対のテンシヨン部
材で連結したことを特徴とするブームへのジブの
張架装置。 The fork-shaped legs on both sides of the base end of the jib are supported on both lower sides of the boom head, and one end of a hydraulic cylinder is pivoted by a vertical shaft to a mounting plate attached to the end of the jib by a horizontal shaft, and the hydraulic cylinder is A device for tensioning a jib onto a boom, characterized in that both sides of a bracket, which is fixed to the other end by a vertical shaft, and both sides of the upper part of the boom head are connected by a pair of tension members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987054054U JPH0518372Y2 (en) | 1987-04-09 | 1987-04-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987054054U JPH0518372Y2 (en) | 1987-04-09 | 1987-04-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63161293U true JPS63161293U (en) | 1988-10-21 |
| JPH0518372Y2 JPH0518372Y2 (en) | 1993-05-17 |
Family
ID=30880689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987054054U Expired - Lifetime JPH0518372Y2 (en) | 1987-04-09 | 1987-04-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0518372Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100390U (en) * | 1983-12-14 | 1985-07-09 | 株式会社 多田野鉄工所 | Variable tilt device for auxiliary jib in hydraulic telescopic boom with auxiliary jib |
-
1987
- 1987-04-09 JP JP1987054054U patent/JPH0518372Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100390U (en) * | 1983-12-14 | 1985-07-09 | 株式会社 多田野鉄工所 | Variable tilt device for auxiliary jib in hydraulic telescopic boom with auxiliary jib |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0518372Y2 (en) | 1993-05-17 |