2results about How to "Normal delivery" patented technology

The utility model discloses a kind of feed dispensing devices for ricefield eel culture, including monorail being arranged in field and transport trolley being arranged on monorail, the transport trolley is provided with mounting bracket, the mounting bracket is fixed with feed barrel, the bottom of the feed barrel is provided with discharge gate, the mounting bracket and below the feed barrel are provided with quantitative dispensing mechanism, the mounting bracket is provided with telescopic guide plate, wherein: the diameter of the bottom end of the feed barrel inner wall gradually reduces from top to bottom, the inside of the feed barrel is slidably provided with down pressure block, the bottom end of the down pressure block and the bottom end shape of feed barrel inner wall are adapted, the utility model moves along monorail by transport trolley, combined with quantitative dispensing mechanism and telescopic guide plate, the automatic feeding of feed is realized, compared with artificial feeding, greatly improve feeding efficiency, reduce the labor intensity of breeding personnel.

The utility model discloses a bellow expansion type rotary joint which comprises a rotary joint body. A first connecting pipe; one end of the second connecting pipe is arranged in the first connecting pipe; the first annular piece is arranged on the outer surface of the end, located in the first connecting pipe, of the second connecting pipe; the outer surface of the second connecting pipe is sleeved with the connecting cylinder, and the second annular piece is arranged on the inner wall face of the first connecting pipe; the two ends of the corrugated pipe are connected with the end faces, close to each other, of the third annular pieces respectively, one end of the second connecting pipe can slide into the first connecting pipe, installation can still be carried out when the distance between the equipment pipeline and the medium pipeline is too small, meanwhile, the second connecting pipe can drive one third annular piece to move when moving, and installation is convenient. The corrugated pipe is compressed through the compression device, under the action of the corrugated pipe, raw materials in the pipeline can still be conveyed normally, and convenience is brought to people.