JPS604647U - Oil passage structure of hydraulic cylinder in backhoe - Google Patents

Oil passage structure of hydraulic cylinder in backhoe

Info

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
Application number
JP9409583U
Other languages
Japanese (ja)
Other versions
JPH0310206Y2 (en
Inventor
折口 陽一
Original Assignee
セイレイ工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by セイレイ工業株式会社 filed Critical セイレイ工業株式会社
Priority to JP9409583U priority Critical patent/JPS604647U/en
Publication of JPS604647U publication Critical patent/JPS604647U/en
Application granted granted Critical
Publication of JPH0310206Y2 publication Critical patent/JPH0310206Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 主ブーム8先端にスライドブーム9を伸縮自在に連設し
、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.
JP9409583U 1983-06-18 1983-06-18 Oil passage structure of hydraulic cylinder in backhoe Granted JPS604647U (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE541217C2 (en) * 2017-09-08 2019-05-07 Epiroc Rock Drills Ab Mining or construction vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPH0310206Y2 (en) 1991-03-13

Similar Documents

Publication Publication Date Title
JPS604647U (en) Oil passage structure of hydraulic cylinder in backhoe
JPS5816218U (en) Device for removing earth and sand from the upper surface of the lower door stop at the gate
JPS5825355U (en) backhoe work vehicle
JPS5863253U (en) Piping structure of the hydraulic cylinder for operating the intermediate boom of a backhoe
JPS5951661U (en) Outrigger device
JPS5910356U (en) Drilling rig with grasping function
JPS5869052U (en) Hydraulic excavator grapple
JPS5876631U (en) Movable weir actuation device
JPS58115550U (en) Hydraulic excavator bucket for wide range work
JPS592776U (en) Crane with foldable and extendable lattice boom
JPS604637U (en) Backhoe arm hydraulic cylinder piping structure
JPS6135964U (en) Hydraulic excavator crane device
JPS60103199U (en) Emergency stop device for aerial work vehicles
JPS60154389U (en) Boom structure of crane vehicles, etc.
JPS6131340U (en) perforated bucket
JPS5876653U (en) excavator work vehicle
JPS5947752U (en) Excavation vehicle work machine arm pivot connection device
JPS5863254U (en) Mounting structure of rod bracket on main boom of backhoe
JPS591760U (en) excavator
JPS59144057U (en) Telescopic arm mechanism in hydraulic excavators, etc.
JPS5887788U (en) Crane boom
JPS60124572U (en) Motorcycle fuel switching tips
JPS6110356U (en) Hydraulic excavator crane device
JPS6110354U (en) excavator
JPS5969246U (en) Backhoe that can be attached to a rotary excavator