JPH045478U - - Google Patents
Info
- Publication number
- JPH045478U JPH045478U JP4420190U JP4420190U JPH045478U JP H045478 U JPH045478 U JP H045478U JP 4420190 U JP4420190 U JP 4420190U JP 4420190 U JP4420190 U JP 4420190U JP H045478 U JPH045478 U JP H045478U
- Authority
- JP
- Japan
- Prior art keywords
- box
- hydraulic cylinder
- inner box
- cylinder
- port
- 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
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Jib Cranes (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
第１図は本考案の第１実施例にかかるアウトリ
ガ装置の最縮小状態における平面図、第２図は第
１図の−断面図、第３図は第１図のアウトリ
ガ装置の最伸長状態における平面図、第４図は第
３図の−断面図、第５図は第１図のアウトリ
ガ装置の一部斜視図、第６図は第１図のアウトリ
ガ装置の駆動系統を示す断面図、第７図は本考案
の第２実施例にかかるアウトリガ装置の駆動系統
を示す断面図、第８図は従来のアウトリガ装置の
断面図である。
１……伸縮箱、２……外箱、３……中間箱、４
……内箱、５……伸縮駆動装置、７……ジヤツキ
装置、８……送油通路、８ａ，８ｂ……シリンダ
内通路、９……油圧ポンプ、１１……切換弁、２
１……ジヤツキシリンダ収納部、５１……第１の
油圧シリンダ、６１……第２の油圧シリンダ、７
１…ジヤツキシリンダ、７４，７５……ポート、
８１……切換弁、８４，８５……ポート、８８，
８９……ホース。
FIG. 1 is a plan view of the outrigger device according to the first embodiment of the present invention in the most contracted state, FIG. 2 is a cross-sectional view taken from FIG. 1, and FIG. 3 is a plan view of the outrigger device of FIG. 1 in the most extended state. 4 is a cross-sectional view taken from FIG. 3, FIG. 5 is a partial perspective view of the outrigger device shown in FIG. 1, FIG. 6 is a sectional view showing the drive system of the outrigger device shown in FIG. FIG. 7 is a sectional view showing a drive system of an outrigger device according to a second embodiment of the present invention, and FIG. 8 is a sectional view of a conventional outrigger device. 1... Telescopic box, 2... Outer box, 3... Intermediate box, 4
... Inner box, 5 ... Telescopic drive device, 7 ... Jacking device, 8 ... Oil feed passage, 8a, 8b ... Cylinder inner passage, 9 ... Hydraulic pump, 11 ... Switching valve, 2
DESCRIPTION OF SYMBOLS 1...Jax cylinder storage part, 51...First hydraulic cylinder, 61...Second hydraulic cylinder, 7
1...Jax cylinder, 74, 75...Port,
81...Switching valve, 84, 85...Port, 88,
89...Hose.
Claims (1)
プ状に接続してなる３段伸縮式の伸縮箱１を該伸
縮箱１内に設置した油圧作動式の伸縮駆動装置５
で伸縮せしめ得る如くし、さらに前記内箱４の先
端部に油圧作動式のジヤツキシリンダ７１を有す
るジヤツキ装置７を取付けたアウトリガ装置であ
つて、前記伸縮駆動装置５は、一端側が前記外箱
２に連結された第１の油圧シリンダ５１と一端側
が前記内箱４に連結された第２の油圧シリンダ６
１とを有しているとともに、前記第１の油圧シリ
ンダ５１と第２の油圧シリンダ６１とのうちの少
なくとも第２の油圧シリンダ６１の内部に前記ジ
ヤツキシリンダ７１側に油圧を供給するための送
油通路８を設け、しかも該送油通路８における内
箱連結側の各ポート８４，８５と前記ジヤツキシ
リンダ７１の各ポート７４，７５とをホース８８
，８９で接続したことを特徴とするアウトリガ装
置。 A hydraulically operated telescoping drive device 5 has a three-stage telescoping box 1 in which an outer box 2, an intermediate box 3, and an inner box 4 are sequentially connected in a telescopic manner.
This is an outrigger device in which a jacking device 7 having a hydraulically actuated jacking cylinder 71 is attached to the tip of the inner box 4, and one end of the telescopic drive device 5 is connected to the outer box. 2, a first hydraulic cylinder 51 connected to the inner box 4, and a second hydraulic cylinder 6, one end of which is connected to the inner box 4.
1, and for supplying hydraulic pressure to the jack cylinder 71 side inside at least the second hydraulic cylinder 61 of the first hydraulic cylinder 51 and the second hydraulic cylinder 61. An oil feed passage 8 is provided, and each port 84, 85 on the inner box connection side of the oil feed passage 8 and each port 74, 75 of the jack cylinder 71 are connected to each other by a hose 88.
, 89.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4420190U JPH045478U (en) | 1990-04-24 | 1990-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4420190U JPH045478U (en) | 1990-04-24 | 1990-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045478U true JPH045478U (en) | 1992-01-20 |
Family
ID=31557289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4420190U Pending JPH045478U (en) | 1990-04-24 | 1990-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045478U (en) |
-
1990
- 1990-04-24 JP JP4420190U patent/JPH045478U/ja active Pending
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