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Novel space grid structure ball joint device with damping function

A technology of space grid and spherical nodes, applied in the direction of building types, building structures, buildings, etc., can solve the problems of complex acceptance mechanism and difficult application of seismic isolation, and achieve the effect of simple construction

Active Publication Date: 2017-07-07
INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
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Problems solved by technology

For the spatial structure, due to its complicated mechanism, the participation of the three orthogonal directions in the earthquake process cannot be ignored, so the application of seismic isolation is very difficult

Method used

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  • Novel space grid structure ball joint device with damping function
  • Novel space grid structure ball joint device with damping function

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Embodiment Construction

[0015] The new space grid structure ball node device with damping function of the present invention will be further described in detail below mainly in conjunction with the accompanying drawings and specific embodiments.

[0016] Such as figure 1 As shown, it is an exploded schematic diagram of a new space grid structure ball joint device with damping function in an embodiment, including a hollow steel ball 30, two rods 1, 2 and dampers 20 connected to the rods 1, 2 respectively , the damper includes an oil cylinder 26, an oil cylinder top cover 28, a mild steel 24 connected with the oil cylinder top cover, a piston 22 and a piston rod 21, the other end of the mild steel 24 is connected to the piston 22, one end of the piston rod 21 is connected to the piston 22, and the other end Connecting rods 1, 2, mild steel 24 and piston 22 are placed in the oil cylinder 26, and the lower end of the oil cylinder is connected with the installation hole on the node ball. Therefore, the in...

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Abstract

The invention relates to a novel space grid structure ball joint device with a damping function. The novel space grid structure ball joint device comprises a joint ball and rod pieces connected with the joint ball and further comprises a damper located in the joint ball. The damper comprises an oil cylinder, an oil cylinder top cover, soft steel connected with the oil cylinder top cover, a piston and a piston rod. The other end of the soft steel is connected with the piston. One end of the piston rod is connected with the piston, and the other end of the piston rod is connected with one of the rod pieces. The soft steel and the piston are placed in the oil cylinder. The lower end of the oil cylinder is connected with a mounting hole in the joint ball. According to the characteristic that the interior of a hollow steel ball joint used in a space grid structure is provided with available space, the problem of under damping of the space grid structure is solved, and construction and mounting is easy and convenient. The effect of earthquakes is reduced by adding damping energy dissipation of the space structure, and accordingly anti-seismic capacity of the space structure is improved.

Description

technical field [0001] The invention relates to a space grid structure, in particular to a novel space grid structure ball node device with a damping function. Background technique [0002] China is located between two major seismic belts - the Eurasian seismic belt and the circum-Pacific seismic belt, and is one of the countries most severely affected by earthquakes in the world. Historically, strong earthquakes of magnitude 6 or above have occurred many times in the Yangtze River Delta and the Pearl River Delta. In the Beijing-Tianjin-Bohai Rim region, in the past 300 years, an average of 7 magnitude or more earthquakes have occurred every 44 years. With the acceleration of urbanization, a large amount of national wealth is rapidly concentrated in cities and urban agglomerations. And more than one-third of my country's built or planned urban agglomerations are located in areas where major earthquakes of magnitude 7 or above may occur. The economic losses and casualties c...

Claims

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Application Information

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IPC IPC(8): E04H9/02E04B1/19
CPCE04B1/1906E04H9/021
Inventor 聂桂波张辰啸于志伟戴君武
Owner INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
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