JPH0283893U - - Google Patents
Info
- Publication number
- JPH0283893U JPH0283893U JP16210788U JP16210788U JPH0283893U JP H0283893 U JPH0283893 U JP H0283893U JP 16210788 U JP16210788 U JP 16210788U JP 16210788 U JP16210788 U JP 16210788U JP H0283893 U JPH0283893 U JP H0283893U
- Authority
- JP
- Japan
- Prior art keywords
- winch
- driven
- conduit
- counterbalance valve
- counterbalance
- 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
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Control And Safety Of Cranes (AREA)
Description
第１図及び第２図は本考案のクレーンのウイン
チ装置の一実施例の油圧回路図で、第１図はウイ
ンチの単独運転を行う場合の図、第２図はウイン
チの同調運転を行う場合の図、第３図は従来のク
レーンのウインチ装置の一例の油圧回路図、第４
図は従来のクレーンのウインチ装置の他の例の油
圧回路図である。
図中１ａ，１ｂは油圧ポンプ、２ａ，２ｂは主
切換弁、３ａ，３ｂ，４ａ，４ｂは管路、８ａ，
８ｂは圧力制御弁、９ａ，９ｂは管路、１０ａ，
１０ｂは逆止弁、１３ａはパイロツト管路、１４
ａ，１４ｂはカウンタバランス弁、１７はパイロ
ツト管路、１８ａ，１８ｂ，１９は動力伝達装置
、２０は切換弁、２１，２２，２３はパイロツト
管路、２４，２５は切換弁、２６は動力伝達装置
、２７はクラツチ、Ａは主動側ウインチ、Ｂは従
動側ウインチを示す。
Figures 1 and 2 are hydraulic circuit diagrams of an embodiment of the crane winch device of the present invention. Figure 1 is a diagram when the winch is operated independently, and Figure 2 is a diagram when the winch is operated in synchronization. Figure 3 is a hydraulic circuit diagram of an example of a conventional crane winch device, Figure 4 is a hydraulic circuit diagram of an example of a winch device for a conventional crane.
The figure is a hydraulic circuit diagram of another example of a conventional crane winch device. In the figure, 1a, 1b are hydraulic pumps, 2a, 2b are main switching valves, 3a, 3b, 4a, 4b are pipes, 8a,
8b is a pressure control valve, 9a, 9b are pipelines, 10a,
10b is a check valve, 13a is a pilot pipe, 14
a, 14b are counterbalance valves, 17 is a pilot pipe, 18a, 18b, 19 is a power transmission device, 20 is a switching valve, 21, 22, 23 is a pilot pipe, 24, 25 is a switching valve, 26 is a power transmission 27 is a clutch, A is a driving winch, and B is a driven winch.
Claims (1)
される方向を切換える主切換弁２ａ，２ｂと、該
主切換弁２ａ，２ｂ及び油圧モータ６ａ，６ｂを
接続する管路３ａ，３ｂ，４ａ，４ｂと、前記油
圧モータ６ａ，６ｂにより回転駆動されるドラム
５ａ，５ｂを有する主動側ウインチＡ及び従動側
ウインチＢを備えたウインチ装置において、両ウ
インチＡ，Ｂのドラム５ａ，５ｂを互にオン、オ
フ可能なクラツチ２７を介して動力伝達装置１８
ａ，１９，２６，１８ｂにより連結し、前記両ウ
インチＡ，Ｂの管路３ａ，３ｂにカウンタバラン
ス弁１４ａ，１４ｂを取付け、主動側ウインチＡ
の管路３ａのカウンタバランス弁１４ａと油圧モ
ータ６ａとの間及び従動側ウインチＢのカウンタ
バランス弁１４ｂを、中途部に切換弁２０を備え
たパイロツト管路１７により接続し、従動側ウイ
ンチＢの管路３ｂのカウンタバランス弁１４ｂと
油圧モータ６ｂとの間及び従動側ウインチＢのカ
ウンタバランス弁１４ｂ、並に従動側ウインチＢ
の管路４ｂと従動側ウインチＢのカウンタバラン
ス弁１４ｂを夫々中途部に切換弁２５，２４を備
えたパイロツト管路２３，２２，２１により接続
したことを特徴とするクレーンのウインチ装置。 Main switching valves 2a, 2b that switch the direction in which oil discharged from the hydraulic pumps 1a, 1b are supplied, and pipe lines 3a, 3b, 4a, 4b that connect the main switching valves 2a, 2b and the hydraulic motors 6a, 6b. In a winch device including a driving winch A and a driven winch B having drums 5a and 5b rotationally driven by the hydraulic motors 6a and 6b, the drums 5a and 5b of both winches A and B are turned on, Power transmission 18 via a disengageable clutch 27
a, 19, 26, and 18b, and counterbalance valves 14a and 14b are installed in the pipelines 3a and 3b of both winches A and B, and the main drive side winch A
The counterbalance valve 14a of the conduit 3a and the hydraulic motor 6a and the counterbalance valve 14b of the driven winch B are connected by a pilot conduit 17 equipped with a switching valve 20 in the middle. Between the counterbalance valve 14b of the conduit 3b and the hydraulic motor 6b, the counterbalance valve 14b of the driven winch B, and the driven winch B
A winch device for a crane, characterized in that a conduit 4b of a driven winch B and a counterbalance valve 14b of a driven winch B are connected by pilot conduits 23, 22, 21 provided with switching valves 25, 24 in the middle, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16210788U JPH0520778Y2 (en) | 1988-12-14 | 1988-12-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16210788U JPH0520778Y2 (en) | 1988-12-14 | 1988-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0283893U true JPH0283893U (en) | 1990-06-28 |
| JPH0520778Y2 JPH0520778Y2 (en) | 1993-05-28 |
Family
ID=31445635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16210788U Expired - Lifetime JPH0520778Y2 (en) | 1988-12-14 | 1988-12-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520778Y2 (en) |
-
1988
- 1988-12-14 JP JP16210788U patent/JPH0520778Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520778Y2 (en) | 1993-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0283893U (en) | ||
| JPH02145288U (en) | ||
| JPS625189U (en) | ||
| JP2744176B2 (en) | Work equipment safety equipment | |
| JPS61172244U (en) | ||
| JPS627668Y2 (en) | ||
| JPS594730A (en) | Running control oil-pressure circuit for construction vehicle | |
| JPH0136657Y2 (en) | ||
| JPS5817146Y2 (en) | Reduction/reversing machine | |
| JPS6056796A (en) | Winding combined hydraulic circuit in crane | |
| JPS5835736Y2 (en) | hydraulic excavator | |
| JPH0144553Y2 (en) | ||
| JPH026061Y2 (en) | ||
| JPS6348631Y2 (en) | ||
| JPS61173495U (en) | ||
| JPH0269694U (en) | ||
| JPH04122584U (en) | winch equipment | |
| JPH0183906U (en) | ||
| JPH079887Y2 (en) | Winch | |
| JPS625188U (en) | ||
| JPH01120477A (en) | Torque converter provided with direct-coupled clutch | |
| JPS6326080B2 (en) | ||
| JPH01108373U (en) | ||
| JPH0330558B2 (en) | ||
| JPH02149692U (en) |