US 11,939,768 B1
Sleeve grouting device and method for prefabricated building
Wenchao Liu, Beijing (CN); Kesheng Zhang, Beijing (CN); Baoshuang Ren, Beijing (CN); and Shuwei Cheng, Beijing (CN)
Assigned to CCCC CONSTRUCTION GROUP CO., LTD., Beijing (CN)
Filed by CCCC CONSTRUCTION GROUP CO., LTD., Beijing (CN)
Filed on Jun. 7, 2023, as Appl. No. 18/206,820.
Application 18/206,820 is a continuation of application No. PCT/CN2022/134123, filed on Nov. 24, 2022.
Claims priority of application No. 202211115136.8 (CN), filed on Sep. 14, 2022.
Int. Cl. E04C 5/16 (2006.01)
CPC E04C 5/165 (2013.01) 8 Claims
OG exemplary drawing
 
1. A sleeve grouting device for prefabricated building, comprising: a sleeve, a driver and an oscilloscope, wherein sleeve openings at two ends of the sleeve each are configured to be penetrated by connection rebars of each of two different prefabricated components, a piezoelectric ceramic is provided horizontally at each of the sleeve openings at the two ends of the sleeve, one of the piezoelectric ceramics is electrically connected to the driver and another of the piezoelectric ceramics is electrically connected to the oscilloscope;
a bottom end of the sleeve is connected to an inlet pipe that is in communication with grout injection equipment, and a top end of the sleeve is connected to an outlet pipe;
the sleeve grouting device for prefabricated building further comprises a vibrating assembly, wherein the vibrating assembly comprises: a vibrator, a connection rod, and a connection tube, ends of the connection rebars close to each other are slidably connected in the connection tube, a vibrating tube is connected to the sleeve at a position of the sleeve corresponding to the connection tube, the connection tube is slidably connected in the vibrating tube, an end of the connection rod protrudes in the sleeve and is connected with the connection tube, and an end of the connection tube outside the sleeve is connected with the vibrator.