JPS61105394U - - Google Patents
Info
- Publication number
- JPS61105394U JPS61105394U JP19049084U JP19049084U JPS61105394U JP S61105394 U JPS61105394 U JP S61105394U JP 19049084 U JP19049084 U JP 19049084U JP 19049084 U JP19049084 U JP 19049084U JP S61105394 U JPS61105394 U JP S61105394U
- Authority
- JP
- Japan
- Prior art keywords
- cab
- circuit
- control valve
- remote control
- operation circuit
- 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
- 238000010276 construction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
Description
第１図は旋回制御弁に圧力制御弁を用いた場合
の本考案装置の実施例を示す油圧電気回路図、第
２図は旋回制御弁に流量制御弁を用いた場合の本
考案装置の実施例を示す電気回路図、第３図は本
考案装置が適用される油圧クレーンの一例を示す
側面図、第４図は従来例を示す油圧回路図である
。
１…メインポンプ、２，２′…旋回制御弁、３
…旋回モータ、４…ネガブレーキ、５…ネガブレ
ーキ制御用電磁弁、６，７…パイロツトポンプ、
８…タンク、９…遠隔操作弁、１０，１１…電磁
弁（補助操作用）、１２…遠隔操作装置接続用コ
ネクタ、１３ａ，１３ｂ，１３ｃ，１３ｄ，１３
ａ′，１３ｂ′…パイロツト管路（操作用入力回
路）。
Fig. 1 is a hydraulic electrical circuit diagram showing an embodiment of the device of the present invention when a pressure control valve is used as the swing control valve, and Fig. 2 is an implementation of the device of the invention when a flow control valve is used as the swing control valve. FIG. 3 is a side view showing an example of a hydraulic crane to which the device of the present invention is applied, and FIG. 4 is a hydraulic circuit diagram showing a conventional example. 1... Main pump, 2, 2'... Swing control valve, 3
...Swivel motor, 4...Negative brake, 5...Solenoid valve for negative brake control, 6, 7...Pilot pump,
8... Tank, 9... Remote control valve, 10, 11... Solenoid valve (for auxiliary operation), 12... Remote control device connection connector, 13a, 13b, 13c, 13d, 13
a', 13b'...Pilot conduit (operation input circuit).
Claims (1)
および作業装置を具備した上部フレームと、上記
各装置の操作装置を具備した運転室とを分解可能
に組立てて構成される建設機械において、旋回装
置の操作回路として、運転室に遠隔操作弁を有す
る主操作回路を設けるとともに、上部フレームに
、前記主操作回路に着脱自在に接続される操作用
入力回路と、前記運転室の遠隔操作弁と独立して
遠隔操作可能な電磁弁を備えた補助操作回路とを
設けたことを特徴とする旋回駆動装置。 In a construction machine that is constructed by removably assembling a lower frame equipped with a traveling device, an upper frame equipped with a swivel device and a working device, and a driver's cab equipped with operating devices for each of the above devices, the swivel device can be operated. As a circuit, a main operation circuit having a remote control valve is provided in the operator's cab, and an operation input circuit is provided on the upper frame and is detachably connected to the main operation circuit, and is independent of the remote control valve in the operator's cab. A swing drive device characterized by being provided with an auxiliary operation circuit equipped with a remotely controllable solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190490U JPH026061Y2 (en) | 1984-12-14 | 1984-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984190490U JPH026061Y2 (en) | 1984-12-14 | 1984-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61105394U true JPS61105394U (en) | 1986-07-04 |
| JPH026061Y2 JPH026061Y2 (en) | 1990-02-14 |
Family
ID=30747944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984190490U Expired JPH026061Y2 (en) | 1984-12-14 | 1984-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH026061Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5191901U (en) * | 1975-01-21 | 1976-07-23 | ||
| JPS5563376U (en) * | 1978-10-24 | 1980-04-30 |
-
1984
- 1984-12-14 JP JP1984190490U patent/JPH026061Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5191901U (en) * | 1975-01-21 | 1976-07-23 | ||
| JPS5563376U (en) * | 1978-10-24 | 1980-04-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH026061Y2 (en) | 1990-02-14 |
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