Anchor cage ring type foundation with replaceable anchor bolt

Abstract

The invention discloses an anchor cage ring type foundation with a replaceable anchor bolt. According to the key point of the technical scheme, the anchor cage ring type foundation comprises an upper anchor plate, a lower anchor plate and the anchor bolt for connecting upper anchor plate and the lower anchor plate, wherein the anchor bolt is sleeved with a rigid sleeve for isolating concrete, two ends of the rigid sleeve are connected to the upper anchor plate and the lower anchor plate in a sealed mode, the upper end of the anchor bolt is connected with the upper anchor plate, the lower end of the anchor bolt penetrates through the lower anchor plate and is in threaded connection with an isolation cap integrally arranged and used for isolating concrete, and the open end of the isolation cap is in sealed connection with the lower anchor plate. The integrally arranged isolation cap is adopted, and the structural type of a sealing assembly is improved, so that the anchor cage ring type foundation has the advantages of reducing the cost and being convenient to replace.

Description

technical field [0001] The invention relates to the technical field of civil engineering in the wind power generation industry, in particular to an anchor cage ring-type foundation with replaceable anchor bolts and a replacement construction method. Background technique [0002] At present, the racks and towers of large or very large equipment, including wind generators, wind turbines, power line street lighting and signaling devices, bridge supports, commercial signs, highway signboards, ski lifts and other buildings are all constructed on site. Concrete foundation support. [0003] Especially in recent years, with the rapid development of my country's economy and the improvement of social environmental protection awareness, the scale of wind power generation is increasing day by day, and wind turbine towers have gradually become the mainstream. For this reason, the anchor cage ring foundation plays an increasingly important role in wind power towers. [0004] Chinese pat...

AI Technical Summary

Problems solved by technology

First of all, the nut box and the nut are set separately. In order to achieve the circumferential fixation of the nut, the nut needs to be welded on the lower anchor plate, but the welding of the nut may cause uneven stress on the entire bottom flange. Secondly, this will add a welding process , so as to increase the cost; again, in order to meet the construction conditions, the plastic sleeve 42 and the anchor bolt 4 need a certain gap, and the entire anchor bolt 4 device is basically filled in the middle of the concrete, and the concrete will inevitably affect the plastic sleeve during the pouring process. The force that pipe 42 produces extruding forces plastic sleeve 42 to deform so that the anchor bolt 4 and the plastic sleeve 42 are not coaxial, and it is difficult to unscrew the broken anchor bolt 4 for replacement; again, the two ends of plastic sleeve 42 Shrink sealing is carried out by the heat shrinkable sleeve 41, so that the caliber at the insertion port of the plastic sleeve 42 becomes smaller, see Figure 11 As shown, then the new anchor bolt 4 is difficult to insert in the plastic sleeve 42, thereby causing the replacement anchor bolt 4 to be inconvenient

Images