JPH0223042U - - Google Patents
Info
- Publication number
- JPH0223042U JPH0223042U JP9914588U JP9914588U JPH0223042U JP H0223042 U JPH0223042 U JP H0223042U JP 9914588 U JP9914588 U JP 9914588U JP 9914588 U JP9914588 U JP 9914588U JP H0223042 U JPH0223042 U JP H0223042U
- Authority
- JP
- Japan
- Prior art keywords
- backhoe
- truck
- hydraulic oil
- base
- swing
- 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
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Shovels (AREA)
Description
第１図は油圧ポンプ駆動用エンジン及び作動油
タンクがバツクホーの施回体上部に装着された本
考案によるトラツクバツクホーの実施例の全体側
面図、第２図は第１図のトラツクバツクホーの作
動機シリンダを作動させるための油圧回路図、第
３図はベーストラツクのシヤーシに搭載された走
行用エンジンの動力を利用する従来のトラツクバ
ツクホーの全体側面図、第４図はベーストラツク
架装フレーム上に装着された専用エンジンの動力
を利用する従来のトラツクバツクホーの全体側面
図、第５図は第３図及び第４図のトラツクバツク
ホーの作業機シリンダを作動させるための油圧回
路図である。
１…走行用エンジン、２…専用エンジン、３…
作業機シリンダ、４…コントロールバルブ、５…
油圧ポンプ、６…作動油タンク、７…センタース
イベルジヨイント、８…２系統の通路、９…他の
通路、１１…油圧ポンプ駆動用エンジン、１２…
作動油タンク、１３…作業機シリンダ、１４…コ
ントロールバルブ、１５…油圧ポンプ、１６…セ
ンタースイベルジヨイント、１７…通路。
Fig. 1 is an overall side view of an embodiment of a truck backhoe according to the present invention in which a hydraulic pump driving engine and a hydraulic oil tank are attached to the upper part of the swing body of the backhoe. A hydraulic circuit diagram for operating the actuator cylinder; Figure 3 is an overall side view of a conventional truck backhoe that utilizes the power from a driving engine mounted on the base truck chassis; Figure 4 is a diagram of the base truck bodywork. An overall side view of a conventional truck backhoe that uses power from a dedicated engine mounted on the frame, and Figure 5 is a hydraulic circuit diagram for operating the working machine cylinder of the truck backhoe shown in Figures 3 and 4. It is. 1...Travelling engine, 2...Special engine, 3...
Work equipment cylinder, 4...control valve, 5...
Hydraulic pump, 6... Hydraulic oil tank, 7... Center swivel joint, 8... Two-system passage, 9... Other passage, 11... Hydraulic pump driving engine, 12...
Hydraulic oil tank, 13... Work machine cylinder, 14... Control valve, 15... Hydraulic pump, 16... Center swivel joint, 17... Passage.
Claims (1)
ツクバツクホーにおいて、前記バツクホーの作業
機シリンダを作動させるための油圧ポンプ駆動用
エンジン及び作動油タンクが前記バツクホーの旋
回体上部に装着され、それによつて前記ベースト
ラツクに取り付けられた旋回ベアリングと前記バ
ツクホーの旋回体上部との間に配設されるセンタ
ースイベルジヨイントの作動油の通路の数を少な
くすることができるようになつていることを特徴
とするトラツクバツクホー。 In a truck backhoe in which a backhoe is mounted on a base truck, an engine for driving a hydraulic pump and a hydraulic oil tank for operating the working machine cylinder of the backhoe are mounted on the upper part of the revolving body of the backhoe, and thereby the base truck A truck back, characterized in that the number of hydraulic oil passages in a center swivel joint disposed between a swing bearing attached to the swing bearing and an upper part of the swing body of the backhoe can be reduced. Ho.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9914588U JPH0634428Y2 (en) | 1988-07-28 | 1988-07-28 | Truck backhoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9914588U JPH0634428Y2 (en) | 1988-07-28 | 1988-07-28 | Truck backhoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0223042U true JPH0223042U (en) | 1990-02-15 |
| JPH0634428Y2 JPH0634428Y2 (en) | 1994-09-07 |
Family
ID=31326032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9914588U Expired - Lifetime JPH0634428Y2 (en) | 1988-07-28 | 1988-07-28 | Truck backhoe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634428Y2 (en) |
-
1988
- 1988-07-28 JP JP9914588U patent/JPH0634428Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0634428Y2 (en) | 1994-09-07 |
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