JPH01111764U - - Google Patents
Info
- Publication number
- JPH01111764U JPH01111764U JP679388U JP679388U JPH01111764U JP H01111764 U JPH01111764 U JP H01111764U JP 679388 U JP679388 U JP 679388U JP 679388 U JP679388 U JP 679388U JP H01111764 U JPH01111764 U JP H01111764U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- circuit
- valves
- motor
- 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.)
- Pending
Links
- 101100494448 Caenorhabditis elegans cab-1 gene Proteins 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Operation Control Of Excavators (AREA)
Description
第１図は本考案の実施例である油圧回路図を示
し、第２図はバツクホーの側面図、第３図は他の
例である要部の側面図、第４図は第３図の一部の
左側面図、第５図は油圧回路図を示す。
１……運転台、２……旋回用油圧モータ、３ａ
，３ｂ……リリーフ弁、４ａ，４ｂ……シヨツク
レスバルブ、５ａ，５ｂ……油圧回路、６ａ，６
ｂ……パイロツト回路、７ａ，７ｂ……チエツク
バルブ。
Fig. 1 shows a hydraulic circuit diagram as an embodiment of the present invention, Fig. 2 is a side view of a backhoe, Fig. 3 is a side view of main parts of another example, and Fig. 4 is a diagram similar to Fig. 3. 5 shows a hydraulic circuit diagram. 1... Driver's cab, 2... Hydraulic motor for swing, 3a
, 3b...Relief valve, 4a, 4b...Shockless valve, 5a, 5b...Hydraulic circuit, 6a, 6
b...Pilot circuit, 7a, 7b...Check valve.
Claims (1)
用油圧モータ２には、リリーフ弁３ａ，３ｂやシ
ヨツクレスバルブ４ａ，４ｂを間に介装する両油
圧回路５ａ，５ｂをそれぞれ連通連設して構成す
るバツクホーにおいて、前記旋回用油圧モータ２
に最も接近する両油圧回路５ａ，５ｂの部位には
、それぞれ他の油圧回路側にパイロツト回路６ａ
，６ｂを介して連通する両チエツクバルブ７ａ，
７ｂをそれぞれ介装して構成したことを特徴とす
る旋回用油圧モータ回路。 Hydraulic circuits 5a and 5b, which have relief valves 3a and 3b and shockless valves 4a and 4b interposed between them, are connected to a swing hydraulic motor 2 that swings and drives a driver's cab 1 to which a working machine is connected. In the backhoe configured as follows, the swing hydraulic motor 2
A pilot circuit 6a is connected to the other hydraulic circuit side at the portion of both hydraulic circuits 5a, 5b that is closest to the other hydraulic circuit.
, 6b, both check valves 7a,
A swing hydraulic motor circuit characterized in that it is configured by interposing a motor circuit 7b respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP679388U JPH01111764U (en) | 1988-01-21 | 1988-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP679388U JPH01111764U (en) | 1988-01-21 | 1988-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111764U true JPH01111764U (en) | 1989-07-27 |
Family
ID=31211258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP679388U Pending JPH01111764U (en) | 1988-01-21 | 1988-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111764U (en) |
-
1988
- 1988-01-21 JP JP679388U patent/JPH01111764U/ja active Pending
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