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Mobile machine floating hydraulic system

A floating hydraulic system and mechanical technology, applied in the direction of mechanical equipment, fluid pressure actuators, servo motors, etc., can solve the problems of frequent action of electromagnetic reversing valve, unsafe operation, unstable control, etc., to ensure stability, Stable performance and guaranteed operation safety

Pending Publication Date: 2019-01-11
湖南杰希重工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This active floating control method needs to be controlled by sensor detection, so that the electromagnetic reversing valve moves frequently, the control is unstable, and the operation is unsafe.

Method used

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  • Mobile machine floating hydraulic system
  • Mobile machine floating hydraulic system
  • Mobile machine floating hydraulic system

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Embodiment Construction

[0016] The invention will be further described below in conjunction with the accompanying drawings, but it is not used to limit the scope of the present invention.

[0017] Such as figure 1 As shown, a mobile floating hydraulic system provided in this embodiment includes a hydraulic pump 1, a traveling motor 3, a flushing valve 2, a floating oil cylinder 7, a floating control valve 8, a shuttle valve 4, a stroke reversing valve 5, an electromagnetic switch To the valve 6 and the oil tank; the oil tank includes the first oil tank 9 and the second oil tank 10; the float control valve 8 is provided with a first oil port D, a second oil port E and a third oil port F; the floating The control valve 8 includes a first one-way valve 80 and a first relief valve 81; the two oil ports of the first one-way valve 80 are respectively connected with the first oil port D and the second oil port E; The flow direction of the check valve 80 is from the first oil port D to the second oil port ...

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Abstract

The invention discloses a mobile machine floating hydraulic system. The mobile machine floating hydraulic system comprises a hydraulic pump, a walking motor, a flushing valve, a floating oil cylinder,a floating control valve, a shuttle valve, a stroke reversing valve, an electromagnetic reversing valve and oil tanks. The oil tanks comprise a first oil tank and a second oil tank. The floating control valve is provided with a first oil port, a second oil port and a third oil port and comprises a first one-way valve and a first overflow valve, wherein two oil ports of the first one-way valve areconnected with the first oil port and the second oil port correspondingly, and the flowing direction of the first one-way valve is from the first oil port to the second oil port; and two oil ports onthe first overflow valve are connected with the first oil port and the second oil port correspondingly, and the other oil port on the first overflow valve is connected with the third oil port. The mobile machine floating hydraulic system is convenient to operate and high in stability, and can effectively ensure machine running and operation safety.

Description

technical field [0001] The invention relates to the technical field of high-altitude work platforms, in particular to a floating hydraulic system of a walking machine. Background technique [0002] Aerial work platform is an advanced aerial work machine, which can greatly improve the work efficiency, safety and comfort of aerial construction personnel, and reduce labor intensity. It has been widely used in developed countries. The use of aerial work platforms in my country is becoming more and more extensive, including the initial general municipal street lamp maintenance, garden tree pruning, etc., and with the rapid development of my country's economy, engineering construction, industrial installation, equipment maintenance, plant maintenance, shipbuilding, Electricity, municipal administration, airports, communications, gardens, transportation, etc. have a growing demand for aerial work platforms. [0003] Among them, the boom-type aerial work platform is widely used beca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B11/16F15B13/06
CPCF15B11/16F15B13/06F15B2211/205F15B2211/71
Inventor 向未宋璋策范紫昱
Owner 湖南杰希重工有限公司
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