JPS604647U - Oil passage structure of hydraulic cylinder in backhoe - Google Patents
Oil passage structure of hydraulic cylinder in backhoeInfo
- Publication number
- JPS604647U JPS604647U JP9409583U JP9409583U JPS604647U JP S604647 U JPS604647 U JP S604647U JP 9409583 U JP9409583 U JP 9409583U JP 9409583 U JP9409583 U JP 9409583U JP S604647 U JPS604647 U JP S604647U
- Authority
- JP
- Japan
- Prior art keywords
- oil passage
- boom
- pipe
- tip
- hydraulic cylinder
- 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
- Shovels (AREA)
- Component Parts Of Construction Machinery (AREA)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案実施例に係るバックホーの全体側面図、
第２図はＩ−Ｉ断面図、第３図は要部縦断面側面図であ
る。
Ａ：バックホー、５：油圧タンク、８：主ブーム、９ニ
スライドブーム、１０：副ブーム、１１：パケット、２
１：外筒パイプ、２２：内筒パイプ、２８：開口部、ｍ
：開口部。FIG. 1 is an overall side view of a backhoe according to an embodiment of the present invention;
FIG. 2 is a sectional view taken along the line II, and FIG. 3 is a longitudinal sectional side view of the main part. A: Backhoe, 5: Hydraulic tank, 8: Main boom, 9 Ni-ride boom, 10: Sub-boom, 11: Packet, 2
1: Outer cylinder pipe, 22: Inner cylinder pipe, 28: Opening, m
:Aperture.
Claims (1)
、同スライドブーム９の先端に副ブーム１０を枢支し、
同側ブーム１０先端にバケシト１１を枢支すると共に、
副ブーム１０にパケット作動用油圧シリンダ１９を連設
してなるバックホーにおいて、スライドブーム９内に油
路外筒パイプ２１を一体に収納し、同パイプ２１の基端
開口部２８より主ブーム８に連設した油路内筒パイプ２
２をスライド自在に収納して、スライドブーム９の伸縮
摺動作動の際、同ブーム９と一体に油路外筒パイプ２１
を摺動作動しうるよう構成し、かつ油路外筒パイプ２１
の内部と、油路内筒パイプ２２の先端開口部ｍとを連通
せしめ、更に、油路外筒パイプ２１の先端とパケット作
動用油圧シリンダ１９とを連通ずると共に、油路内筒パ
イプ２２の基端は油圧タンク５に連通した油路パイプ３
０に連通してなるバックホーにおける油圧シリンダの油
路構造。A slide boom 9 is telescopically connected to the tip of the main boom 8, and a sub-boom 10 is pivotally supported to the tip of the slide boom 9.
While pivoting the bucket 11 to the tip of the boom 10 on the same side,
In a backhoe in which a hydraulic cylinder 19 for packet actuation is connected to a sub-boom 10, an oil passage outer cylinder pipe 21 is integrally stored in the slide boom 9, and the main boom 8 is connected to the main boom 8 through the base end opening 28 of the pipe 21. Continuously installed oil passage inner cylinder pipe 2
2 is slidably housed, and when the slide boom 9 is telescopically moved, the oil passage outer cylinder pipe 21 is integrated with the boom 9.
The oil passage outer cylindrical pipe 21 is configured to be capable of sliding movement.
The inside of the oil passage inner cylindrical pipe 22 is communicated with the tip opening m of the oil passage inner cylindrical pipe 22, and the tip of the oil passage outer cylindrical pipe 21 is communicated with the packet operating hydraulic cylinder 19, and the inside of the oil passage inner cylindrical pipe 22 is communicated. The base end is an oil passage pipe 3 communicating with a hydraulic tank 5
An oil passage structure of a hydraulic cylinder in a backhoe that communicates with 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9409583U JPS604647U (en) | 1983-06-18 | 1983-06-18 | Oil passage structure of hydraulic cylinder in backhoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9409583U JPS604647U (en) | 1983-06-18 | 1983-06-18 | Oil passage structure of hydraulic cylinder in backhoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS604647U true JPS604647U (en) | 1985-01-14 |
| JPH0310206Y2 JPH0310206Y2 (en) | 1991-03-13 |
Family
ID=30225406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9409583U Granted JPS604647U (en) | 1983-06-18 | 1983-06-18 | Oil passage structure of hydraulic cylinder in backhoe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019048094A1 (en) * | 2017-09-08 | 2019-03-14 | Epiroc Rock Drills Aktiebolag | Mining or construction vehicle and a hydraulic cylinder conduit enclosing a conduit arrangement |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE541217C2 (en) * | 2017-09-08 | 2019-05-07 | Epiroc Rock Drills Ab | Mining or construction vehicle |
-
1983
- 1983-06-18 JP JP9409583U patent/JPS604647U/en active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019048094A1 (en) * | 2017-09-08 | 2019-03-14 | Epiroc Rock Drills Aktiebolag | Mining or construction vehicle and a hydraulic cylinder conduit enclosing a conduit arrangement |
| CN111051646A (en) * | 2017-09-08 | 2020-04-21 | 安百拓凿岩有限公司 | Hydraulic cylinder pipeline of mining or construction vehicle and enclosed pipeline equipment |
| US11661797B2 (en) | 2017-09-08 | 2023-05-30 | Epiroc Rock Drills Aktiebolag | Mining or construction vehicle and a hydraulic cylinder conduit enclosing a conduit arrangement |
| AU2018328654B2 (en) * | 2017-09-08 | 2024-03-07 | Epiroc Rock Drills Aktiebolag | Mining or construction vehicle and a hydraulic cylinder conduit enclosing a conduit arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0310206Y2 (en) | 1991-03-13 |
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