Trade News
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Safety technology for installing scraper
1.Theinstallationofthescrapermachineshouldhavetheteamleaderpersonallyfollow theon-sitecommandandcoordination.2.Thescrapershouldbedisassembledintosmall piecesfortransportationasmuchaspossible.Theloadin...
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Several force concepts related to bolt support
Severalforceconceptsrelatedtoboltsupport1DefinitionAnchoringforce:referstothebindingforceoftheboltonthesurroundingrock,whichincludesradialanchoringforceandtangentialanchoringforce,andradialanchoringfo...
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Maintenance Technology of Suspended Single Hydraulic Prop
Thesuspensioncolumnadoptsasinglestructurethatiscompletelydifferentfromthesinglehydrauliccolumn.Thesealingareaisatthehandlebody,andtheinnerwallsurfaceofthecylinderdoesnothaveasealingeffect.Themainseali...
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Main types, technical characteristics and key quality contro
Thereducerisaveryimportantpartoftheminehoistmechanicalsystem,itsfunctionistotransmitmotionandpower(reducespeed,increasetorque).Mostoftheminehoistsruncontinuouslyinthreeshifts,andtherewillbeasmallamoun...
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Restart method of large hoist overload tripping
Thephenomenonthatthehoisttripsduetooverloadisrelativelycommon,butafterthelargehoisttripsduetouncontrolledmeteringorotherreasons,itisoftendifficulttorestart,andsomeevencausetheaccidenttoexpand.Therefor...
