Fabricated steel structure energy-consuming beam column connecting joint in earthquake

Abstract

The utility model relates to a fabricated steel structure energy-consuming beam column connecting node in earthquake, which comprises a prefabricated H-shaped steel column, a prefabricated H-shaped steel beam, a damping connecting bolt, a damping spring, a transverse bolt, an energy-consuming steel block and an energy-consuming rubber pad, the prefabricated H-shaped steel column is provided with a horizontal sleeve, and a closed section is arranged on one side of the prefabricated H-shaped steel beam close to the steel column. The columns with the horizontal sleeves are connected together through the energy dissipation steel blocks, and the spring damping devices are arranged in the sleeves and located between the contact faces of the columns. In an earthquake, a beam impacts on the spring damping device, impact energy consumption is absorbed, meanwhile, deformation of the energy dissipation steel blocks in the earthquake also absorbs beam column displacement energy consumption, and therefore the energy dissipation function of the joint in the earthquake is achieved. The fabricated steel structure beam column energy dissipation joint is easy to assemble, rapid to construct and good in energy dissipation effect and has good application prospects.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel structure especially relates to a fabricated steel structure earthquake energy dissipation beam column connecting joint BACKGROUND

[0002] Fabricated building refers to the part or all components of the building in advance in the factory processing is completed, is transported to the construction site and is assembled up building.It has simple construction, saves the time limit for a project, quality controllable, and the advantages such as little influence on the environment are popular at home and abroad.The fabricated steel structure is one of important directions in fabricated building, modular splicing, uses bolt and greatly reduces the generation of on-site weld, and the fabricated overall anticorrosion ability greatly promotes.The main beam is connected by traditional bolt in steel structure, and the opening is complex, and the precision is difficult to guarantee, and the bolt connection is difficult to dissipate energy in the earthquake, and it is not easy to meet the requirement of'strong node weak component'.

[0003] Traditional steel structure node is easy to be damaged after large and small earthquakes, and is difficult to repair, and is difficult to be used twice, and the steel structure connecting node with the functions of absorbing seismic energy and repairing after earthquake needs to be explored, therefore, a fabricated steel structure earthquake energy dissipation beam column connecting joint is designed. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of designing a fabricated steel structure beam column joint, which can dissipate part of displacement collision energy of the steel structure beam column joint in the earthquake, thereby reducing the damage of the earthquake to the beam column joint, and ensuring the safety of the steel structure in the earthquake.

[0005] The utility model discloses a fabricated steel structure earthquake energy dissipation beam column connecting joint, which comprises a prefabricated H-shaped steel column, a prefabricated H-shaped steel beam, a damping connecting bolt, a damping spring, a transverse bolt, an energy dissipation steel block and an energy dissipation rubber pad.

[0006] The prefabricated H-shaped steel column is provided with a horizontal sleeve, and the prefabricated H-shaped steel beam is provided with a closed section on the side close to the steel column.A bolt hole is formed in the connecting position of the steel column and the sleeve for the damping connecting bolt to pass through, and a vertical rectangular limiting hole is formed in the sleeve and the steel beam for penetrating the sleeve and the internal steel beam, the size of the limiting hole is matched with the cross section of the energy dissipation steel block, the energy dissipation steel block is provided with a bolt hole corresponding to the bolt, and the bolt hole transversely penetrates the energy dissipation steel block.

[0007] The utility model discloses the following technical scheme: including sleeve's H -shaped steel column, damping device, H -shaped steel beam, the damping device is equipped with four, four damping devices are with 2 * 2 array, and are fixed in the sleeve inside with four bolts that H -shaped steel column bears.

[0008] The utility model discloses the beneficial effect is:

[0009] After adopting the above technical scheme, the beam column joint of the utility model forms a seismic center energy dissipation system, and through the deformation of the damping spring device and the energy dissipation steel block, the energy of the seismic center can be greatly absorbed, thereby achieving the advantage of seismic center energy dissipation. The energy dissipation steel block is vertically arranged, so that the energy dissipation steel block is not easy to bend laterally, the bending stiffness of the joint of the beam and the column is increased, and the energy dissipation effect is also achieved. In addition, after the earthquake, the energy dissipation steel block can be replaced by cutting after deformation, and the repair can be completed by inserting a new energy dissipation steel block into the reserved hole. The damping spring device is also easy to remove after the earthquake. The utility model has the advantages of simple assembly, good seismic center energy dissipation effect, easy replacement of damaged parts, high comprehensive strength and high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0011] Figure 1 It is the front view of the utility model assembly type energy dissipation beam column connecting joint.

[0012] Figure 2 It is the plan view of the utility model assembly type energy dissipation beam column connecting joint.

[0013] Figure 3 It is the three-dimensional view of the utility model assembly type energy dissipation beam column connecting joint.

[0014] Figure 4 It is the three-dimensional view of the utility model assembly type energy dissipation beam column connecting joint without sleeve

[0015] Mark in the drawing: 1-H -shaped steel column 2-damping device connecting bolt tail 3-damping spring 4-damping connecting bolt 5-H -shaped steel closed end face 6-energy dissipation steel block 7-transverse bolt 8-horizontal sleeve 9-rubber support 10-H -shaped steel beam DETAILED DESCRIPTION

[0016] For example, Figure 1As shown, a kind of assembled steel structure earthquake can dissipate energy beam-column connection joint, including H-shaped steel column with sleeve, damping device, H-shaped steel beam, the damping device is equipped with four, four damping devices are in 2*2 array, and be fixed in the horizontal sleeve inside by four bolts with H-shaped steel column is equipped with.Surfaces of damping device and the closed surface of H-shaped steel beam are in contact.H-shaped steel column is placed in horizontal sleeve, lower end is on two rubber supports in horizontal sleeve, closed end is in contact with damping device.Energy dissipation steel block traverses the hole opened by H-shaped steel beam on both sides of sleeve, and four bolt holes are opened on both sides of sleeve outside, and four bolts are positioned.

[0017] The above-mentioned embodiment of the present application does not constitute a limitation on the scope of protection of the present application. Any modification, equivalent replacement and improvement made within the spirit and principles of the present application shall be included in the scope of protection of the claims of the present application.

Claims

1. A prefabricated steel structure earthquake-resistant energy-dissipating beam-column connection node, characterized in that: The device includes prefabricated H-shaped steel columns, prefabricated H-shaped steel beams, vibration-damping connecting bolts, vibration-damping springs, transverse bolts, energy-dissipating steel blocks, and energy-dissipating rubber pads. The prefabricated H-shaped steel columns are equipped with sleeves, and the prefabricated H-shaped steel beams have a closed section on the side near the steel column. Bolt holes for the vibration-damping connecting bolts are opened at the connection between the steel column and the sleeve. Vertical rectangular limiting holes are opened in the sleeve and the steel beam to penetrate the sleeve and place the steel beam inside. The size of the limiting holes matches the cross-section of the energy-dissipating steel blocks. The energy-dissipating steel blocks are equipped with bolt holes corresponding to the bolts, and the bolt holes transversely penetrate the energy-dissipating steel blocks.

2. The prefabricated steel structure earthquake-resistant energy-dissipating beam-column connection node according to claim 1, characterized in that: Shock-absorbing springs are installed at the contact surfaces between the H-shaped steel columns and the H-shaped steel beams.

3. The prefabricated steel structure earthquake-resistant energy-dissipating beam-column connection node according to claim 1, characterized in that: The energy-consuming steel block runs through the openings on both sides of the sleeve and the H-shaped steel beam, and four bolt holes are opened on both sides of the sleeve for four bolts to limit its position.

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