JPS5875286U - Hydraulic crane winch hydraulic control circuit - Google Patents
Hydraulic crane winch hydraulic control circuitInfo
- Publication number
- JPS5875286U JPS5875286U JP14621082U JP14621082U JPS5875286U JP S5875286 U JPS5875286 U JP S5875286U JP 14621082 U JP14621082 U JP 14621082U JP 14621082 U JP14621082 U JP 14621082U JP S5875286 U JPS5875286 U JP S5875286U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- hydraulic motor
- switching valve
- main
- directs
- 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
- Fluid-Pressure Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案−実施例の構成説明図、第２図は切換弁
ブロックと合流弁との位置変換を示す他の実施例の説明
図である。
１０．１５は油圧ポンプ、１２は第１切換弁、１７は合
流弁、３５はデマンドバルブ、３６は第２切換弁。FIG. 1 is an explanatory diagram of the configuration of an embodiment of the present invention, and FIG. 2 is an explanatory diagram of another embodiment showing the positional change between the switching valve block and the merging valve. 10.15 is a hydraulic pump, 12 is a first switching valve, 17 is a merging valve, 35 is a demand valve, and 36 is a second switching valve.
Claims (1)
と、前記ウィンチ専用の油圧ポンプ１０の吐出側に設け
られて、中立時油圧ポンプ１０からの圧油を主巻油圧モ
ータ３２側に差向けると共に、左右の切換操作時補巻油
圧モータ２４側に圧油を差向ける第１切換弁１２と、前
記油圧ポンプ１５の吐出側に設けられて中立時主巻ウィ
ンチ装置３３の主巻油圧モータ３２の油圧回路に油圧ポ
ンプ１５からの圧油を差向けると共に、切換操作時補巻
油圧モータ２４側に圧油を差向ける合流弁１７と、主巻
油圧モータ３２の油圧回路に設けられて両油圧ポンプ１
０．１５からの圧油を合流し、主巻油圧モータ３２への
圧油の供給の切換えを行なう第２切換弁３６とを備えた
ものにおいて、上記第２切換弁３６に通じる合流接続回
路２６に、第２切換弁３６の入口及び出口圧力により切
換えられる圧力補償用デマンドバルブ３５を設けて、第
２切換弁３６の操作ストロークに比例した流量が主巻油
圧モータ３２へ供給できるようにしてなる油圧クレーン
ウィンチの油圧制御回路。Hydraulic pump 10 dedicated to winch and other hydraulic pumps 15
It is provided on the discharge side of the hydraulic pump 10 dedicated to the winch, and directs the pressure oil from the hydraulic pump 10 to the main volume hydraulic motor 32 side when in neutral, and to the auxiliary volume hydraulic motor 24 side during left and right switching operations. A first switching valve 12 that directs the pressure oil and a hydraulic circuit of the main hoist hydraulic motor 32 of the main hoist winch device 33 in neutral, which is provided on the discharge side of the hydraulic pump 15, directs the pressurized oil from the hydraulic pump 15. In addition, a merging valve 17 directs pressure oil to the auxiliary volume hydraulic motor 24 side during a switching operation, and both hydraulic pumps 1 are provided in the hydraulic circuit of the main volume hydraulic motor 32.
0.15 and a second switching valve 36 for switching the supply of pressure oil to the main volume hydraulic motor 32, the merging connection circuit 26 leading to the second switching valve 36; A pressure compensating demand valve 35 that is switched by the inlet and outlet pressures of the second switching valve 36 is provided, so that a flow rate proportional to the operating stroke of the second switching valve 36 can be supplied to the main hydraulic motor 32. Hydraulic crane winch hydraulic control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14621082U JPS5875286U (en) | 1982-09-29 | 1982-09-29 | Hydraulic crane winch hydraulic control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14621082U JPS5875286U (en) | 1982-09-29 | 1982-09-29 | Hydraulic crane winch hydraulic control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5875286U true JPS5875286U (en) | 1983-05-21 |
Family
ID=29939124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14621082U Pending JPS5875286U (en) | 1982-09-29 | 1982-09-29 | Hydraulic crane winch hydraulic control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5875286U (en) |
-
1982
- 1982-09-29 JP JP14621082U patent/JPS5875286U/en active Pending
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