JPH0185106U - - Google Patents
Info
- Publication number
- JPH0185106U JPH0185106U JP1987181429U JP18142987U JPH0185106U JP H0185106 U JPH0185106 U JP H0185106U JP 1987181429 U JP1987181429 U JP 1987181429U JP 18142987 U JP18142987 U JP 18142987U JP H0185106 U JPH0185106 U JP H0185106U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- switching valve
- position switching
- oil
- oil pipe
- 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
- 239000003921 oil Substances 0.000 claims description 9
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Component Parts Of Construction Machinery (AREA)
- Operation Control Of Excavators (AREA)
Description
第１図はこの考案にかかる暖房装置の油圧回路
図、第２図はこの考案にかかる油管を運転席床板
付近に設けた場合の一部切欠き側面図、第３図は
油圧シヨベルの全体側面図である。
３，３′……運転席、６，７……コントロール
バルブ、１０……複数位置切換弁、１１，１１′
……油管、１２……作動油タンク、１４……上流
側戻り油路、１５……下流側戻り油路、１６……
運転席床板。
Figure 1 is a hydraulic circuit diagram of the heating system according to this invention, Figure 2 is a partially cutaway side view when the oil pipe according to this invention is installed near the driver's seat floorboard, and Figure 3 is an overall side view of the hydraulic excavator. It is a diagram. 3, 3'...Driver's seat, 6,7...Control valve, 10...Multi-position switching valve, 11,11'
... Oil pipe, 12 ... Hydraulic oil tank, 14 ... Upstream return oil path, 15 ... Downstream return oil path, 16 ...
Driver's seat floorboard.
Claims (1)
ルにおいて、その油圧シヨベルの各種油圧アクチ
ユエータ制御用コントロールバルブと作動油タン
クとを連通する戻り油路に複数位置切換弁を設け
、一方、上記油圧シヨベルの運転席周辺または運
転席床板付近に油管を設け、その油管を介して上
記複数位置切換弁と作動油タンクとを連通すると
ともに、上記複数位置切換弁の切換操作時に、上
記油管に対して油路開通または油路遮断可能に設
定して構成したことを特徴とする油圧シヨベルの
暖房装置。 In a hydraulic excavator consisting of a lower traveling body and an upper revolving body, a multi-position switching valve is provided in a return oil passage that communicates a hydraulic oil tank with a control valve for controlling various hydraulic actuators of the hydraulic excavator. An oil pipe is provided around the driver's seat or near the floorboard of the driver's seat, and the multi-position switching valve and the hydraulic oil tank are communicated through the oil pipe, and when the multi-position switching valve is switched, an oil passage is connected to the oil pipe. A heating device for a hydraulic excavator, characterized in that it is configured so that it can be opened or shut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987181429U JPH0185106U (en) | 1987-11-28 | 1987-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987181429U JPH0185106U (en) | 1987-11-28 | 1987-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185106U true JPH0185106U (en) | 1989-06-06 |
Family
ID=31472912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987181429U Pending JPH0185106U (en) | 1987-11-28 | 1987-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021080706A (en) * | 2019-11-18 | 2021-05-27 | 株式会社クボタ | Revolving work machine |
-
1987
- 1987-11-28 JP JP1987181429U patent/JPH0185106U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021080706A (en) * | 2019-11-18 | 2021-05-27 | 株式会社クボタ | Revolving work machine |