JPH0376889U - - Google Patents
Info
- Publication number
- JPH0376889U JPH0376889U JP13684489U JP13684489U JPH0376889U JP H0376889 U JPH0376889 U JP H0376889U JP 13684489 U JP13684489 U JP 13684489U JP 13684489 U JP13684489 U JP 13684489U JP H0376889 U JPH0376889 U JP H0376889U
- Authority
- JP
- Japan
- Prior art keywords
- winch
- crane
- hydraulic circuit
- throttle
- controlling
- 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
- Jib Cranes (AREA)
Description
第１図この考案によるクレーン用ウインチのブ
ーム起伏、主巻ウインチ及び補巻ウインチ制御の
油圧回路の実施例を示し、第２図は自走式クレー
ン車がアウトリガを張出して荷役作業を行なつて
いる状態の説明用側面図、第３図は従来のブーム
起伏、主巻ウインチ及び補巻ウインチ制御の油圧
回路、第４図はウインチバルブストロークに対す
る吊荷上下速度の説明用グラフである。
１０……ソレノイドバルブ、２０……絞り。
Figure 1 shows an example of a hydraulic circuit for controlling the boom hoisting, main winch, and auxiliary winch of a crane winch according to this invention. 3 is a conventional hydraulic circuit for boom hoisting, main winch and auxiliary winch control, and FIG. 4 is a graph for explaining vertical speed of a suspended load with respect to winch valve stroke. 10... Solenoid valve, 20... Throttle.
Claims (1)
上下速度を制御する流量制御弁のパイロツト油圧
が２段階になるように、ソレノイドバルブ１０と
絞り２０を設けたことを特徴とするクレーン用ウ
インチの油圧回路。 A hydraulic circuit for a winch for a crane, characterized in that the hydraulic circuit for a winch for a crane is provided with a solenoid valve 10 and a throttle 20 so that the pilot hydraulic pressure of a flow control valve for controlling the vertical speed of a suspended load is in two stages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13684489U JPH0376889U (en) | 1989-11-28 | 1989-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13684489U JPH0376889U (en) | 1989-11-28 | 1989-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0376889U true JPH0376889U (en) | 1991-08-01 |
Family
ID=31684030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13684489U Pending JPH0376889U (en) | 1989-11-28 | 1989-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0376889U (en) |
-
1989
- 1989-11-28 JP JP13684489U patent/JPH0376889U/ja active Pending
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