JP3020675U - Anchor bolt position adjustment nut and bolt - Google Patents

Abstract

(57) [Summary] [Purpose] A nut and bolt combination that sets the anchor bolt in the correct position. [Structure] An anchor bolt position adjusting nut and bolt in which a bolt (2) is inserted under a ring (1), an elliptical shape (3) with an internal thread is welded, and (4) a caulking injection hole is combined.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 Anchor bolts for foundation work in steel frame construction.

[0002]

[Prior art]

 Conventionally, anchor bolts are set in steel-framed construction by fixing an iron plate to abandoned concrete to set the anchor bolts, or by fixing a mold that matches the holes of the base in the formwork and inserting the anchor bolts into the holes to drive the concrete. Are doing When the concrete was driven, the anchor bolts were pushed into the concrete and moved, or the formwork moved so that the anchor bolts could not be placed in the correct position, and the anchor bolts had to be bent again afterwards.

[0003]

[Problems to be solved by the device]

 This had the following drawbacks. (B) It is difficult to place the anchor bolt in the correct position because it is bent and fixed again. (B) In the case of thick anchor bolts, it was burned with acetylene gas and then re-bent to bend it. As a result, it was difficult to get it to the correct position, and the anchor bolt was deformed because it was baked with acetylene gas. (C) Since it was difficult to place the anchor bolts in the correct position, the holes in the base plate were made 5 mm larger than the diameter of the anchor bolts. (D) Since the difference between the diameter of the hole in the base plate and the diameter of the anchor bolt was 5 mm, it was difficult to position the column accurately, and the column was twisted and built, and it was difficult to fix the column.

[0004]

[Means for Solving the Problems]

 The present invention has been devised to eliminate these drawbacks, and it will be described with reference to the drawings. Under the ring (1), a bolt (2) is inserted and welded to an ellipse (3) with an internal thread, (4) A caulking injection hole is provided and these are combined.

[0005]

【Example】

 In addition, in the implementation, the following is performed. Set the anchor bolt 50 mm to 80 mm below the base plate so that the upper part of the anchor bolt comes by the conventional construction method, drive the concrete, and after hardening the concrete, put one nut in the anchor bolt (3) Insert the anchor bolt into the screw, (2) Insert the washer and nut into the bolt. The ink is passed in advance and the anchor plan type has a hole accuracy of 0. Prepare a 5mm-up item, place the anchor plan mold according to the ink passage, turn the anchor bolt adjustment nut, and (2) also turn the bolt to adjust the hole position. Check the anchor plan die according to the ink passage. , Tighten the elliptical section (3) with the internal thread so that it does not move, and (2) tighten the nut so that the bolt does not move. Remove the anchor plan mold from the bolt, (4) Inject caulking agent (filler) into the caulking injection hole, and harden the surrounding area with mortar. (Make the holes in the base plate larger by 1 mm to 2 mm than the anchor bolt diameter.)

[0006]

[Effect of device]

 In the foundation work, if the anchor bolts that will be the base for constructing steel columns are correctly installed and the part that connects to the base of the steel column is correct, the column will be prevented from twisting and the size of the part near the foundation will also be It becomes more accurate and can be made to the design size.

[Brief description of drawings]

FIG. 1 is a plan view of the present invention.

FIG. 2 is a front view of the present invention.

FIG. 3 is a side view of the present invention.

FIG. 4 is a bottom view of the present invention

[Explanation of symbols]

 (1) is a ring (2) is a misaligned bolt (3) is an oval with an internal thread (4) is a caulking injection hole

Claims (1)

[Scope of utility model registration request] 1. Anchor bolt position adjusting nut and bolt in which a bolt (2) is put under a ring (1), an internally threaded ellipse (3) is welded, and (4) a caulking injection hole is combined.