Prefabricated concrete connecting piece and prefabricated concrete pile
(10) CN113186905
(22) 10.05.2021
(43) 30.07.2021
(57) The invention discloses a prefabricated concrete connecting piece and a prefabricated concrete pile. The prefabricated concrete connecting piece comprises an inserting rod, an umbrella rib cylinder, a first fixing sleeve and a second fixing sleeve, wherein the inserting rod comprises a base and an inserting head arranged on the base; the umbrella rib cylinder comprises a sleeve-shaped umbrella rib cylinder body and a plurality of elastic umbrella rib teeth uniformly distributed at one end of the umbrella rib cylinder body, the elastic umbrella rib teeth are outwards expanded in the radial direction of the umbrella rib cylinder body from one end of the umbrella rib cylinder body to the free end of the umbrella rib cylinder body, and the end face of the free end of each elastic umbrella rib tooth is an abutting face; the umbrella rib cylinder sleeves the inserting head and is fixedly connected with the inserting head through the umbrella rib cylinder body; an annular clamping groove is formed in the inner side wall of the second fixing sleeve, a clamping face is arranged in the annular clamping groove, and the abutting face of each elastic umbrella rib tooth abuts against the clamping face when the inserting rod is inserted into the second fixing sleeve. The prefabricated concrete connecting piece has the advantages of being simple in structure, high in connecting strength and tensile bearing capacity, low in cost and the like.
(71) Guangdong Sanhe Piles Co., Ltd., Guangdong, CN
