JPH04130331U - anchor bolt set - Google Patents

Abstract

(57) [Summary] [Purpose] To enable anchor bolts used for the foundations of steel structures, etc. to be accurately installed at specified positions on the foundations, etc. [Structure] An anchor set in which a tube 3 and a nut cover 4 are attached to a fixing plate 2, an anchor bolt 1 is inserted into the tube 3 and fixed to a washer 6 and a nut 5, and the anchor bolt 1 is fixed with a bearing plate 7. [Effect] Anchor bolts can be installed accurately at specified positions on foundations, etc., without the need for supporting hardware and by engineers.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea is used for the foundations of steel structures, etc., and uses anchor bolts to secure the foundation. Set the tube, nut cover, base, etc. on the fixing plate in order to install it in the correct position. This relates to a set of anchor bolts.

0002

[Conventional technology]

until now (1) Method of embedding the anchor bolt itself into concrete foundation etc. (2) Fix the anchor frame, fixing plate, etc. to the anchor bolts and concrete There are methods of embedding it in the foundation of In recent years, anchor bolts have a large diameter and are made of high-strength materials, so they cannot be easily designed. If it is not embedded accurately in the hole, the structural performance will deteriorate. However, the anchor bolts are fixed on the foundation. It takes time, effort, and anchor bolts to install it in the correct position, requiring highly skilled workers. Even if you use extra support materials, the position of anchor bolts will not shift during concrete pouring. ``The Architectural Institute of Japan Architectural Work Standard Specifications (JASS6) Steel Frame Accuracy Inspection Standards Annex'' Car bolt installation accuracy (1) The difference between the center of the anchor bolt and the anchor bolt is within ±3 mm (2) It is difficult to install anchor bolts with a difference in center spacing within ±1 mm due to a lack of engineers. , is a very difficult task. Also, if you cannot correct the position movement of the anchor bolt, Anchor bolts that have been moved by cutting out the base plate, etc. or moving the steel column base, etc. Due to the construction, the structure is sloping, and the recent construction using high-strength steel Bone structures have become a major problem as they impair their structural performance.

0003

[Problem that the idea aims to solve]

In the traditional way (1) Accurately installing anchor bolts at specified positions on the foundation requires reinforcing bars and formwork. Difficult due to positional movement during concrete pouring, etc. (2) Difficult to correct anchor bolt position after concrete placement (3) Expenses for supporting materials and assembly costs before concrete placement (4) Advanced technology is required to set anchor bolts with supporting materials (5) Cut out the base plate and assemble the pillar etc. while the anchor bolt remains in position. When erecting, base plate reinforcement is expensive and structural performance is compromised. (6) If a steel structure is constructed with the anchor bolts moved, the structural performance will deteriorate. Not only will it cause damage, but it will also cost you finishing work, etc. (7) Anchor bolts may be damaged during reinforcing bars and formwork assembly or concrete pouring. , rust occurs, impairing accuracy, and curing is difficult. There were drawbacks such as. The problem that this invention aims to solve is to eliminate the above-mentioned drawbacks and to correct the foundation in its designated position. In terms of what measures should be taken to install anchor bolts accurately, Ru.

0004

[Means to solve the problem]

In order to solve the above problems, this idea uses the following tubes and nuts. An anchor bolt with a cover attached. Tube 3 and nut cover 4 on fixing plate 2 Install the anchor bolt 1 into the tube 3 and fix it to the washer 6 and nut 5. Anchor bolt set in which anchor bolt 1 is fixed with bearing plate 7. Note that a nut fixing device 9 and a base fixing device 10 can be attached to the nut cover 4. Make it so that Also, the anchor bolt 1 can be rotated in forward and reverse directions. - Machining the head of the bolt (see Figures 1, 4, and 5).

[0005]

[Effect]

First, attach the tube 3 to the fixing plate 2, fix it in place on the foundation, and then concrete it. 8, insert the anchor bolt 1 into the tube 3, and tighten the washer 6 and nut 5. , set the anchor bolt 1 to the specified position and fix it with the bearing plate 7 ( (see Figure 1).

[0006]

【Example】 Example 1 FIG. 1 is a sectional view showing the first embodiment. (1) Fix the tube 3 on the upper part of the fixing plate 2, and set the washer 6 and nut 5 on the lower part. Fix the bolted nut cover 4, install it at the anchor position of the foundation, and install the controller. Install and fix cleat 8 (2) After concrete is poured, insert the anchor bolt 1 into the tube 3 and cover the nut. Set the washer 6 and nut 5 in the bar 4, and rotate the anchor bolt 1 in the forward direction until the nut 5 As the nut 5 is tightened, the nut 5 comes off from the nut fixing device 9, and the anchor bolt 1 becomes able to move horizontally within tube 3 (3) Adjust the anchor bolt 1, which can now be moved horizontally, to the anchor position on the foundation. Anchor set set accurately and fixed with bearing plate 7. Example 2 As Example 2, the anchor bolt 1 of Example 1 was set before concrete 8 was poured. The anchor set of Example 1 was fixed with a bearing plate 7 after casting. By setting as in Examples 1 and 2, the anchor can be accurately placed at the specified position on the foundation. You can install bolt 1, and if you want to make corrections, you can easily make them. Example 3 FIG. 5 is an elevational view of the third embodiment. Fixing the base to the bottom of the anchor bolt set of Example 1 Attach the base 12 that can be adjusted in height to the device 10. Anchor of Example 1 with holes 13 for marking and fixing nails and bolts as shown in the plan view - set. The anchor set can be easily fixed at a specified position and height, so Like anchor bolts, it can be assembled without the need for supporting hardware or skilled workers. Example 4 FIG. 7 is a perspective view of the fourth embodiment. Install the tube 3 of Example 1 with a metal tube, such as steel material 14. The anchor set of Example 1 in which a plurality of tubes are fixed to each other. Large diameter and length Long anchor sets can be installed more accurately. Example 5 FIG. 8 is an elevational view of the fifth embodiment. The fixing plate 2 of Example 1 was replaced with the anchor frame 1 made of shaped steel. The anchor set of Example 1 replaced with 5. Stress due to width and length of anchor frame The foundation can be made smaller because it can be adjusted and the stress can be dispersed. Example 6 FIG. 9 is a sectional view of Example 6. After setting the anchor bolt to tube 3 of Example 1 Anchor set of Example 1 injected with cement paste 16. Also fill inlet 17. By injecting cement paste etc., the shearing force of the foundation is reduced and the anchor bolt is This helps prevent rust on the parts. Example 7 FIG. 10 is a plan view of Example 7. Diagonal alignment and bearing pressure on bearing plate 7 of Example 1 A fixing hole 13 and a groove 18 through which cement paste, etc. can be poured are provided. The pressure bearing plates of Examples 1 to 6. The cement paste can easily pass through, and the anchor position is hole 1. Step 3: It can be easily taken out and fixed with nails, etc. When the groove 18 is set toward the center of the column, the cement paste of Example 6 is used as the base. Mortar filling under the plate can be easily done. Example 8 FIG. 11 is an elevational view of Example 8. Attach the strut flange 19 to the tube 3 of Example 1. Anchor set of Example 1 attached. The bearing flange 19 distributes stress to the concrete. Since it can be dispersed, the foundation, anchor plate, etc. can be made smaller. Example 9 FIG. 3 is a sectional view of Example 9. The nut cover 4 of Example 1 is fixed with the nut cover itself. A nut cover that is molded so that it can be fixed. Example 10 FIG. 4 is a plan view and an elevation view of Example 10. Forward and reverse to the head of anchor bolt 1 of Example 1 An example of an anchor bolt that is molded so that a spanner etc. can be set for rotation. Example 11 The anchor set of Example 1 in which the bearing plate 7 of Example 1 is replaced with the nut 5. When the tube has a small diameter, it can be easily processed.

[0007]

[Effect of the idea]

Anchor bolts can be installed accurately in specified positions on foundations, etc. without support hardware and without the need of engineers. Can be attached.

[Submission date] July 24, 1991

[Procedural amendment 1]

[Name of document to be amended] Specification

[Correction target item name] 0005

[Correction method] Change

[Correction details]

[0005]

[Effect]

A fixing plate 2 is provided with a nut 3, a nut 5, a washer 6, and a nut fixing device 9. Attach the cover 4 and fix it in place on the foundation, pour concrete 8, Insert the anchor bolt 1 into the tube 3, set it on the washer 6 and nut 5, and unscrew it. Since the construction method involves aligning the car bolts 1 with the predetermined positions and fixing them with the bearing plates 7, it is possible to The anchor bolt can be installed accurately in the position, and even if misalignment occurs, it can be easily installed. Since it can absorb misalignment errors, it improves the workability of steel frame erection and eliminates construction defects ( (see Figure 1).

[Brief explanation of drawings]

FIG. 1 is a cross-sectional view of the present invention.

FIG. 2 is a cross-sectional view taken along line AA' in FIG. 1;

FIG. 3 is an example of a sectional view in which the nut cover in FIG. 1 is replaced.

FIG. 4 is an example of a plan and elevation view of the head of the anchor bolt of FIG. 1;

FIG. 5 is an elevational view of FIG. 1 with the base attached.

FIG. 6 is a plan view of the base of FIG. 5;

FIG. 7 is a perspective view of the plurality of anchor sets shown in FIG. 1 fixed with steel materials.

FIG. 8 is an elevational view in which the fixing plate in FIG. 1 is replaced with an anchor frame.

FIG. 9 is a cross-sectional view of FIG. 1 in which cement paste is injected.

FIG. 10 is a plan view of the bearing plate of FIG. 1;

FIG. 11 is an elevational view of the tube of FIG. 1 with a flange.

[Explanation of symbols]

1 Anchor bolt 2 Fixing plate 3 tube 4 Nut cover 5 Nut 6 Washer 7 Bearing plate 8 Concrete 9 Nut fixing device 10 11 Base fixing device 12 Foundation 13 holes 14 Steel materials 15 Anchor frame 16 Cement paste 17 Inlet 18 Groove 19 Bearing flange

[Procedural amendment]

[Submission date] July 24, 1991

[Procedural amendment 2]

[Name of document to be amended] Specification

[Correction target item name] Explanation of code

[Correction method] Change

[Correction details]

[Explanation of symbols] 1 Anchor bolt 2 Fixing plate 3 tube 4 Nut cover 5 Nut 6 Washer 7 Bearing plate 8 Concrete 9 Nut fixing device10 Base fixing device 12 Foundation 13 holes 14 Steel materials 15 Anchor frame 16 Cement paste 17 Inlet 18 Groove 19 Bearing flange

Claims (2)

[Scope of utility model registration request] [Claim 1] A tube 3 and a nut cover 4 are attached to the fixing plate 2.
This is an anchor bolt set in which the anchor bolt 1 is inserted into the tube 3 and fixed to the washer 6 and nut 5, and then fixed with the bearing plate 7. 2. The anchor bolt set according to claim 1, wherein a base 12 is attached under the nut cover 4.