Hydraulic quick-change device control loop for excavator
The invention discloses a hydraulic quick-change device control loop for an excavator, and relates to the technical field of excavators. The device comprises an oil outlet pipe, the oil outlet pipe is in threaded connection with a quick connector, and under the action of a spring, the outer surface...
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| creator | SUN ZHIDAN WANG SHUO QIAN KUN AN LIZHOU WANG HAITAO |
| description | The invention discloses a hydraulic quick-change device control loop for an excavator, and relates to the technical field of excavators. The device comprises an oil outlet pipe, the oil outlet pipe is in threaded connection with a quick connector, and under the action of a spring, the outer surface of a first conical plugging ring can be in sealed connection with the inner wall of a first conical shell, and the outer surface of a second conical plugging ring can be in sealed connection with the conical inner wall of a second conical shell; the oil inlet pipe and the oil outlet pipe can be plugged in a normal state, dust entering is reduced, and when the oil inlet pipe and the oil outlet pipe are detached and separated, the oil inlet pipe and the oil outlet pipe are automatically plugged so that overflow of oil in the oil inlet pipe can be reduced; the nut is rotated to enable the threaded sleeve to be in threaded connection with the connecting piece, the outer surface of the second conical blocking ring is se |
| format | Patent |
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| language | chi ; eng |
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| subjects | DREDGING FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING |
| title | Hydraulic quick-change device control loop for excavator |
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