Hoist device for dump truck
Provided is a hoist device for a dump truck, which is simpler in configuration and less expensive than conventional devices. One three-position switching valve is used as a main control valve (35) for controlling a hoist cylinder (4). A control valve (49) is provided for supplying hydraulic pressure...
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| creator | FUSHIKI MICHIO |
| description | Provided is a hoist device for a dump truck, which is simpler in configuration and less expensive than conventional devices. One three-position switching valve is used as a main control valve (35) for controlling a hoist cylinder (4). A control valve (49) is provided for supplying hydraulic pressure from a low-pressure hydraulic pressure source during vessel lowering to a rod chamber (4b) of the hoist cylinder (4). Between the rod chamber (4b) of the hoist cylinder (4) and an oil tank (21) is provided a non-return valve (13) capable of supplying working oil from the oil tank (21) to the rod chamber (4b) during a vessel-raising action. When an action command of an operation device is a vessel-lowering command, a controller (54) switches the main control valve (35) to the raising position, and switches the control valve (49) for the vessel-lowing action to supply low-pressure working oil from the low-pressure hydraulic pressure source to the rod chamber (4b) of the hoist cylinder (4).
本发明提供种自卸卡车的举升装置，与以往相比结构简单且 |
| format | Patent |
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本发明提供种自卸卡车的举升装置，与以往相比结构简单且</description><subject>BLASTING</subject><subject>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</subject><subject>FLUID-PRESSURE ACTUATORS</subject><subject>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</subject><subject>HEATING</subject><subject>HYDRAULICS OR PNEUMATICS IN GENERAL</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</subject><subject>TRANSPORTING</subject><subject>VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TOCARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS</subject><subject>VEHICLES IN GENERAL</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD2yM8sLlFISS3LTE5VSMsvUkgpzS1QKCkqTc7mYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GBmYGZobmlkaOxsSoAQBZ1CMf</recordid><startdate>20161026</startdate><enddate>20161026</enddate><creator>FUSHIKI MICHIO</creator><scope>EVB</scope></search><sort><creationdate>20161026</creationdate><title>Hoist device for dump truck</title><author>FUSHIKI MICHIO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN106061792A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2016</creationdate><topic>BLASTING</topic><topic>DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR</topic><topic>FLUID-PRESSURE ACTUATORS</topic><topic>FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS</topic><topic>HEATING</topic><topic>HYDRAULICS OR PNEUMATICS IN GENERAL</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>PERFORMING OPERATIONS</topic><topic>SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL</topic><topic>TRANSPORTING</topic><topic>VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TOCARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS</topic><topic>VEHICLES IN GENERAL</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>FUSHIKI MICHIO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FUSHIKI MICHIO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hoist device for dump truck</title><date>2016-10-26</date><risdate>2016</risdate><abstract>Provided is a hoist device for a dump truck, which is simpler in configuration and less expensive than conventional devices. One three-position switching valve is used as a main control valve (35) for controlling a hoist cylinder (4). A control valve (49) is provided for supplying hydraulic pressure from a low-pressure hydraulic pressure source during vessel lowering to a rod chamber (4b) of the hoist cylinder (4). Between the rod chamber (4b) of the hoist cylinder (4) and an oil tank (21) is provided a non-return valve (13) capable of supplying working oil from the oil tank (21) to the rod chamber (4b) during a vessel-raising action. When an action command of an operation device is a vessel-lowering command, a controller (54) switches the main control valve (35) to the raising position, and switches the control valve (49) for the vessel-lowing action to supply low-pressure working oil from the low-pressure hydraulic pressure source to the rod chamber (4b) of the hoist cylinder (4).
本发明提供种自卸卡车的举升装置，与以往相比结构简单且</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN106061792A |
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| subjects | BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TOCARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS VEHICLES IN GENERAL WEAPONS |
| title | Hoist device for dump truck |
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