JPS5961192U - Winch stepless speed control device - Google Patents

Winch stepless speed control device

Info

Publication number
JPS5961192U
JPS5961192U JP15524582U JP15524582U JPS5961192U JP S5961192 U JPS5961192 U JP S5961192U JP 15524582 U JP15524582 U JP 15524582U JP 15524582 U JP15524582 U JP 15524582U JP S5961192 U JPS5961192 U JP S5961192U
Authority
JP
Japan
Prior art keywords
hydraulic motor
control device
winch
pressure
speed control
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
Application number
JP15524582U
Other languages
Japanese (ja)
Inventor
椎名　克美
Original Assignee
内田油圧機器工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 内田油圧機器工業株式会社 filed Critical 内田油圧機器工業株式会社
Priority to JP15524582U priority Critical patent/JPS5961192U/en
Publication of JPS5961192U publication Critical patent/JPS5961192U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案装置の実施例の線図、第２図はその速度
制御曲線図である。 １・・・可変容量膨油圧モータ、２・・・固定容量ポン
プ、３・・・タンク、４，４・・・作動回路、５・・・
パイロット回路、６・・・圧力補償付きパイロット操作
切換弁、７・・・モータ容量制御装置。FIG. 1 is a diagram of an embodiment of the device of the present invention, and FIG. 2 is a speed control curve diagram thereof. DESCRIPTION OF SYMBOLS 1... Variable capacity expansion hydraulic motor, 2... Fixed capacity pump, 3... Tank, 4, 4... Operating circuit, 5...
Pilot circuit, 6... pilot operated switching valve with pressure compensation, 7... motor capacity control device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ウィンチ駆動用油圧モータに可変容量膨油圧モータ１を
使用し、これを固定容量ポンプ２とタンク３とに接続す
る作動回路４，４にパイロット回路５の圧力変化により
切換作動する圧力補償付きパイロツ［−操作切換弁６を
介在させ、該可変容量膨油圧モータ１に、前記パイロッ
ト回路５の圧力が前記切換弁６の切換作動を完了させる
圧力を越えるとその圧力に応じて該油圧モータ１の容量
を次第に減少させるモータ容量制御装置７を設けて成る
ウィンチの無段階速度制御装置。A variable displacement expansion hydraulic motor 1 is used as a hydraulic motor for winch drive, and a pilot circuit with pressure compensation is used which connects the variable displacement expansion hydraulic motor 1 to a fixed displacement pump 2 and a tank 3. - An operation switching valve 6 is interposed, and when the pressure of the pilot circuit 5 exceeds the pressure that completes the switching operation of the switching valve 6, the variable capacity expansion hydraulic motor 1 is controlled to adjust the capacity of the hydraulic motor 1 according to the pressure. A stepless speed control device for a winch, comprising a motor capacity control device 7 that gradually reduces the motor displacement.
JP15524582U 1982-10-15 1982-10-15 Winch stepless speed control device Pending JPS5961192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15524582U JPS5961192U (en) 1982-10-15 1982-10-15 Winch stepless speed control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15524582U JPS5961192U (en) 1982-10-15 1982-10-15 Winch stepless speed control device

Publications (1)

Publication Number Publication Date
JPS5961192U true JPS5961192U (en) 1984-04-21

Family

ID=30342930

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15524582U Pending JPS5961192U (en) 1982-10-15 1982-10-15 Winch stepless speed control device

Country Status (1)

Country Link
JP (1) JPS5961192U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548196A (en) * 1978-09-29 1980-04-05 Hitachi Ltd Control circuit of oil pressure winch
JPS57126397A (en) * 1981-01-29 1982-08-06 Kawasaki Heavy Ind Ltd Controller for hydraulic winch

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5548196A (en) * 1978-09-29 1980-04-05 Hitachi Ltd Control circuit of oil pressure winch
JPS57126397A (en) * 1981-01-29 1982-08-06 Kawasaki Heavy Ind Ltd Controller for hydraulic winch

Similar Documents

Publication Publication Date Title
JPS5876853U (en) hydraulic drive
JPS5961192U (en) Winch stepless speed control device
JPS58157001U (en) Oil tank pressurization device
JPS5831462U (en) Hydraulic system for driving hydraulic rotating bodies
JPS5864691U (en) Hook operation mechanism
JPS5815539U (en) Vehicle drive assist device
JPS58104405U (en) Hydraulic motor drive circuit
JPS58116771U (en) Variable displacement hydraulic motor control device
JPS60108788U (en) hydraulic drive circuit
JPS58152578U (en) Pump flow control device
JPS59110270U (en) Hydraulic circuit of power steering device
JPS5881383U (en) Hydraulic motor reduction device
JPS5835689U (en) Flow control device for constant output variable displacement hydraulic pump
JPS59146649U (en) hydraulic power transmission device
JPS58142314U (en) Radiator fan drive circuit
JPS59137284U (en) Winch using variable displacement hydraulic motor
JPS58146103U (en) hydraulic circuit
JPS59163257U (en) Vehicle transmission
JPS5885523U (en) Hydraulic drive vehicle control circuit
JPS6028284U (en) Hydraulic pump control device
JPS5882504U (en) Hydraulic circuit control device
JPS58137007U (en) Mobile agricultural machinery hydraulic system
JPS59163207U (en) Variable pressure reducing valve operating device
JPS6121676U (en) Industrial vehicle hydraulic circuit
JPS6120902U (en) Pump control circuit for cranes, etc.