Efficient hydraulic system for bale lifting
The utility model provides a bale lifting efficient hydraulic system which comprises a proportional valve, an emergency lifting valve and a lifting hydraulic cylinder. The proportional valve is a three-position four-way electromagnetic valve, a front port of the left side of the proportional valve i...
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Main Authors | , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
06.02.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model provides a bale lifting efficient hydraulic system which comprises a proportional valve, an emergency lifting valve and a lifting hydraulic cylinder. The proportional valve is a three-position four-way electromagnetic valve, a front port of the left side of the proportional valve is connected with an oil inlet pipeline, the oil inlet pipeline is connected with a normally-open second ball valve, and a front port of the right side of the proportional valve is connected with an oil return pipeline; the emergency lifting valve is a three-position four-way electromagnetic valve, a front end opening in the left side of the emergency lifting valve is connected with the oil inlet pipeline, and a front end opening in the right side of the emergency lifting valve is connected with the oil return pipeline; a rodless cavity of the lifting hydraulic cylinder is connected with left rear ports of the proportional valve and the emergency lifting valve through pipelines, and a rod cavity of the lifting hydra |
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Bibliography: | Application Number: CN202321434900U |