PROBLEM TO BE SOLVED: To provide a mixer drum driving device in which a fluid pressure motor stops a mixer drum smoothly.SOLUTION: A mixer drum driving device in which a mixer drum 1 is rotationally driven by a hydraulic motor (fluid pressure motor) 81 includes supply and discharge passages 51 and 52 for supplying and discharging hydraulic fluid to and from the fluid pressure motor 81, a motor load pressure release passage 19 for connecting the first and second supply and discharge passages 51 and 52, and an on-off valve 31 for opening/closing the motor load pressure release passage 19. By a command to stop driving of the mixer drum 1, the on-off valve 31 opens the motor load pressure release passage 19.SELECTED DRAWING: Figure 3
【課題】流体圧モータが円滑にミキサドラムを停止するミキサドラム駆動装置を提供する。【解決手段】ミキサドラム1が油圧モータ(流体圧モータ)81によって回転駆動されるミキサドラム駆動装置であって、流体圧モータ81に作動油を給排する給排通路51、52と、第一、第二給排通路51、52どうしを結ぶモータ負荷圧逃がし通路19と、モータ負荷圧逃がし通路19を開閉する開閉弁31と、を備え、ミキサドラム1の駆動を停止する指令によって開閉弁31がモータ負荷圧逃がし通路19を開通させる構成とする。【選択図】図3
MIXER DRUM DRIVING DEVICE
ミキサドラム駆動装置
2016-05-26
Patent
Electronic Resource
Japanese
IPC: | B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein |