1results about How to "Reduce speed loss" patented technology

The utility model relates to dust collection equipment field discloses a combined multi -point assembly dust collection equipment, including side hang top suction subassembly and side hang side suction subassembly, side hang top suction subassembly and side hang side suction subassembly replaceably and heading machine connect, side hang side suction subassembly includes the standard air pipe and round air inlet pipe connected in proper order, and the round air inlet pipe is used for and standard air pipe connection, side hang side suction subassembly's standard air pipe and round air inlet pipe all and heading machine side surface connect, side hang top suction subassembly includes the standard air pipe, variable cross section transition pipe, former rotation upper transition pipe, upper rotation former transition pipe and rectangle air inlet pipe connected in proper order, and variable cross section transition pipe is used for and standard air pipe connection, and the section level direction of rectangle air inlet pipe is long side, side hang top suction subassembly's standard air pipe, variable cross section transition pipe and former rotation upper transition pipe all and heading machine side surface connect, upper rotation former transition pipe and rectangle air inlet pipe all and heading machine top surface connect, be suitable for small section potassium salt mine lane or coal lane operation.