Bidding device for construction engineering management PPP project

• Main Authors: LIU ZURONG, XIAO ZHIHAN
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2022
• Subjects: BLASTING; CLEANING; CLEANING IN GENERAL; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PREVENTION OF FOULING IN GENERAL; STANDS OR SUPPORTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The utility model relates to the technical field of building engineering bid invitation equipment, and discloses a bid invitation device for a building engineering management PPP project, which comprises a mounting seat, a telescopic rod and a display screen, the upper surface of the display screen is fixedly connected with a telescopic column A and a telescopic column B, the surface of the telescopic column A is sleeved with a compression spring A, and the surface of the compression spring B is sleeved with a compression spring B; the surface of the B telescopic column is sleeved with a B compression spring, and an A threaded hole is formed in the upper end of the A compression spring. The utility model has the main advantages that the bid inviting device for the construction engineering management PPP project is provided, a bid inviting structure is provided, when the bid inviting device is used, a worker can manually rotate a rotating handle and adjust the tightness degree of a stud, so that the height of