Preformed hole sleeve fixing frame

Abstract

The invention discloses a preformed hole sleeve fixing frame. The preformed hole sleeve fixing frame comprises a base and a stand column. Supporting plates matched with the outer circumferential wallof a sleeve are fixed to the upper end of the stand column. A limiting sleeve is fixed to the outer circumferential wall of the upper section of the stand column. Two symmetrical openings are formed in the upper end face of the limiting sleeve in the axial direction of the limiting sleeve. The bottom of each opening is hinged to the lower end of a connecting rod. A spring I is arranged at the bottom of each opening. The upper end of the spring I is connected with the outer wall of the corresponding connecting rod. An arc-shaped sliding groove is formed in the middle of each supporting plate. The upper end of each connecting rod extends upwards and then is arranged in the corresponding sliding groove. The upper end of each connecting rod is provided with a rolling wheel. The rolling wheelsmake contact with the outer circumferential wall of the sleeve. Through stable supporting of the supporting plates on the whole sleeve and adjustment buffering of the connecting rods on radial stressborne by the sleeve, it is guaranteed that the position of the sleeve is kept stable. On the premise that the sleeve is taken out quickly and conveniently after drying and solidification of concrete,it is guaranteed that formed holes are matched with a set value.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a casing fixing frame with reserved holes. Background technique [0002] The composition of modern buildings is more and more multi-functional, multi-configuration, and large-scale, and the structural types are mostly combined with reinforced concrete for decoration. The diversification of functions has increased the proportion of water, electricity, heating, and ventilation projects. increased in importance. The reservation of holes, especially the pre-buried holes through concrete walls, is also a very important issue. If it is not handled properly, it will bring great losses to civil engineering and installation. The traditional method is to fix steel bars with steel pipes or plastic pipes. The nozzles are open, and the concrete is easily displaced during pouring. The position of the holes is relatively large, and the concrete is easy to enter the nozzles. It is not suita...

AI Technical Summary

Problems solved by technology

Aiming at the defect that the existing concrete wall is easy to shift the casing and the position of the hole is relatively large due to the treatment of the reserved hole when pouring the concrete wall, the applicant designed a casing fixing frame specially used for the reserved hole, through The stable support of the support plate to the casing as a whole, and the adjustment and buffering of the radial stress on the casing by the connecting rod, thereby ensuring that the position of the casing remains stable, and on the premise that the casing can be quickly taken out after the concrete is dry, it can be formed. The hole matches the set value;

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