JPS604658U - Backhoe hydraulic system - Google Patents
Backhoe hydraulic systemInfo
- Publication number
- JPS604658U JPS604658U JP9570583U JP9570583U JPS604658U JP S604658 U JPS604658 U JP S604658U JP 9570583 U JP9570583 U JP 9570583U JP 9570583 U JP9570583 U JP 9570583U JP S604658 U JPS604658 U JP S604658U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- cylinder
- swash plate
- backhoe
- hydraulic system
- 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
- Operation Control Of Excavators (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図はバックホー装置の全体側面図。第２図は同じく
全体側面図。第３図は本件考案の油圧回路図である。
Ａ・・・レバー類、Ｂ・・・一体ケース、１４．１５・
・・油圧モーター、１６．１７・・・可変油圧モーター
、１８．２０・・・クローラ−コントロールバルブ、１
９・・・速度切換えコントロールバルブ、２１゜２２．
２３．２４・・・作業機用コントロールバルブ、２９．
３０・・・変速用油圧シリンダ−。FIG. 1 is an overall side view of the backhoe device. Figure 2 is also an overall side view. FIG. 3 is a hydraulic circuit diagram of the present invention. A...Levers, B...Integrated case, 14.15.
...Hydraulic motor, 16.17...Variable hydraulic motor, 18.20...Crawler control valve, 1
9...Speed switching control valve, 21°22.
23.24... Control valve for work equipment, 29.
30... Hydraulic cylinder for speed change.
Claims (1)
ーターを可変斜板式の油圧モーターとし、該可変斜板油
圧モーターの斜板を、該油圧モーター駆動用の油圧ポン
プの圧油により変速油圧シリンダーにて操作すべく構成
し、同じくブームシリンダー、パケットシリンダー、ス
イングシリンダーも前記油圧モーター用の油圧ポンプよ
りの圧油にて作動すべく構成したことを特徴とするバッ
クホーの油圧装置。A pair of hydraulic motors that drive the left and right crawlers of the backhoe are variable swash plate type hydraulic motors, and the swash plate of the variable swash plate hydraulic motor is driven by a variable speed hydraulic cylinder using pressure oil from a hydraulic pump for driving the hydraulic motors. A hydraulic system for a backhoe, characterized in that the boom cylinder, packet cylinder, and swing cylinder are also configured to be operated by pressure oil from a hydraulic pump for the hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9570583U JPS604658U (en) | 1983-06-20 | 1983-06-20 | Backhoe hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9570583U JPS604658U (en) | 1983-06-20 | 1983-06-20 | Backhoe hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS604658U true JPS604658U (en) | 1985-01-14 |
Family
ID=30228429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9570583U Pending JPS604658U (en) | 1983-06-20 | 1983-06-20 | Backhoe hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS604658U (en) |
-
1983
- 1983-06-20 JP JP9570583U patent/JPS604658U/en active Pending
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