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Fabricated building node connecting structure

A node connection and assembly technology, which is applied in the direction of building components, building structures, buildings, etc., can solve the problems of inconvenient disassembly, unsuitable steel structure buildings, rusting of steel, etc., and achieve the effect of convenient installation

Pending Publication Date: 2021-10-08
赵施艳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although this solution can prevent loosening, it is not suitable for steel structure buildings, because it is inconvenient to disassemble after pouring cement, and can only be destructively disassembled, and the cement is easy to rust the steel after being damp, and leakage has occurred for a long time; Structural buildings often need to be dismantled, moved or repaired, so this scheme is not suitable for popularization and application

Method used

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  • Fabricated building node connecting structure
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  • Fabricated building node connecting structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] As shown in the figure, a prefabricated building node connection structure is made, including I-shaped steel columns 1 and I-shaped steel beams 2. In this scheme, the I-shaped steel columns 1 and I-shaped steel beams 2 are adopted with retaining seats 3 and variable diameters. Bolt assembly connection.

[0038] The I-shaped steel column 1 is formed by directly forming or fixedly connecting a column web 4 on the center line of two parallel column flanges 5; the I-shaped steel beam 2 is directly formed or fixedly connected by a beam web 6 It is formed on the center line of two parallel beam flanges 7 .

[0039] The retention seat 3 includes a seat plate 8, an attachment plate 9 and a brace plate 10; the seat plate 8 is a rectangular plate whose width is equal to the width of the column wing plate 5 of the I-shaped steel column 1 and whose length is equal to that of the I-shaped steel column. 2-3 times of the height of the beam 2, the height of the I-shaped steel beam 2 i...

Embodiment 2

[0043] As shown in the figure, a construction method for a prefabricated building node connection structure includes the following steps:

[0044] (1) Make variable-diameter screws 13, and cold-head the steel bar to form a structure in which the nut 14 is directly formed on the screw, and then cut the diameter of the first half of the screw to be smaller, so that the screw close to the nut 14 becomes a thick-diameter rod, The screw rod far away from the nut becomes a thin diameter rod, and then the teeth are rubbed, and the forward external thread is rubbed out on the thick diameter rod to form a thick diameter screw rod 16, and the reverse external thread is rubbed out on the thin diameter rod to form a thin diameter screw rod 17 , as a whole, it is made into a reduced-diameter screw 13; this kind of reduced-diameter screw 13 is convenient for the nut that cooperates with the forward external thread screw to be fastened to pass smoothly from the reverse external thread screw t...

Embodiment 3

[0052] Further, when installing the reduced-diameter bolt assembly, two sets of reduced-diameter bolt assemblies are installed at the same position, and the reduced-diameter screws of the two sets of reduced-diameter bolt assemblies are inserted into each through hole from the opposite direction, and tightened. Matching nuts.

[0053] that is, Figure 6 As shown, on the top of the I-shaped steel column 1, the reducing screw rod 15 on the first reducing screw 25 is first passed through the second column through hole 23 on the left side seat plate and the first column on the left side column flange. Hole 21 passes through, and after the first nut 18 and the second nut 19 are loaded into, the variable-diameter screw rod 15 is passed through the first column through hole 21 on the right side column wing plate and the second column through hole 23 on the right side seat plate. , and then screw in the third nut 20; then the second variable diameter screw 26 on the variable diameter...

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Abstract

The invention provides a fabricated building node connecting structure, and belongs to the technical field of buildings. The fabricated building node connecting structure comprises an I-shaped steel column and an I-shaped steel beam which are connected through a retention seat and a variable-diameter bolt; the retention seat comprises a seat plate, two mounting plates and a supporting plate; the two mounting plates are fixedly mounted in the middle of the seat plate; supporting sheets are vertically and fixedly mounted on the mounting plates and the seat plate; the variable-diameter bolt comprises a variable-diameter screw and three nuts; the variable-diameter screw comprises a cap nut and a variable-diameter screw rod; the variable-diameter screw rod comprises a large-diameter screw rod and a small-diameter screw rod which are directly connected; the large-diameter screw rod is provided with forward-rotation-direction external threads; the small-diameter screw rod is provided with reverse-rotation-direction external threads; and in the three nuts, the first nut is matched with the large-diameter screw rod, and the second nut and the third nut are matched with the small-diameter screw rod. The structure has the advantages that the I-shaped steel column and the I-shaped steel beam can be tightly combined by combining the retention seat with the variable-diameter bolt, and the integral connection is firm and cannot be loosened.

Description

technical field [0001] The invention belongs to the technical field of buildings, in particular to a prefabricated building node connection structure. Background technique [0002] In prefabricated buildings, the beam-column joint is the most important node in the prefabricated steel structure system, which directly affects the construction speed and the degree of assembly of the structure. Therefore, the beam-column joints should be connected with high-strength bolts that are easy to operate as much as possible. And the arrangement of the bolts should be as easy as possible for the workers to fasten on site. Due to the large number of bolts used, the bolts are easy to loosen during the matching process, which will lead to the loosening of the connection structure of the nodes as a whole. [0003] Therefore, the patent document CN 110185158 B discloses a joint connection structure of special-shaped columns for prefabricated buildings, including special-shaped columns and bea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/24E04B1/58E04B1/98E04H9/02
CPCE04B1/24E04B1/98E04H9/021E04H9/024E04B1/2403E04B2001/2406E04B2001/2415E04B2001/2418E04B2001/2421
Inventor 赵施艳傅鸿罗鹏
Owner 赵施艳