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Friction type shock isolation device and system

A technology of vibration isolation and connection mechanism, applied in the direction of non-rotational vibration suppression, etc., can solve the problems of limited lifting effect, high cost of seismic capacity test, long cycle, etc., to achieve stable vibration isolation cycle, superior tensile performance, reasonable displacement and deformation Effect

Pending Publication Date: 2022-05-03
CHINA ELECTRIC POWER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In order to solve the problems of high test cost, long period and limited lifting effect of existing technical means for improving the anti-seismic ability of equipment, the present invention proposes a friction-type shock-isolating device, including: an upper connection mechanism arranged sequentially from top to bottom , sliding mechanism, lower connection mechanism and embedded mechanism;

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  • Friction type shock isolation device and system
  • Friction type shock isolation device and system
  • Friction type shock isolation device and system

Examples

Experimental program
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Effect test

Embodiment 1

[0071] A friction type shock isolator, such as figure 1 As shown, it includes: an upper connection mechanism 1, a sliding mechanism 2, a lower connection mechanism 3 and a pre-embedded mechanism 5 arranged sequentially from top to bottom; a sliding groove 14 is provided at the lower end of the upper connection mechanism 1; the upper surface of the lower connection mechanism 3 It is a concave arc-shaped surface; the upper end of the sliding mechanism 2 is sleeved in the sliding groove 14, and the upper end is adapted to the innermost side of the sliding groove 14; the lower end of the sliding structure is slidingly connected with the upper surface of the lower connecting mechanism 3; The pre-embedded mechanism 5 is installed on the lower connection mechanism 3; the upper surface of the lower connection mechanism 3 is provided with a tension mechanism 4; the tension mechanism 4 is clamped with the upper connection structure.

[0072] Upper connection mechanism 1, such as figur...

Embodiment 2

[0080] The present invention also provides a friction type shock isolation system, which includes at least four sets of friction type shock isolation devices; the upper connection mechanism 1 of the friction type shock isolation device is used for fixedly connecting the upper part of the shock isolation equipment; The buried mechanism 5 is used to fix the friction-type seismic isolation device; the upper connection mechanism 1, the sliding mechanism 2, the lower connection mechanism 3 and the tensile mechanism 4 of the friction-type vibration-isolation device are used to isolate the upper vibration-isolation equipment.

[0081] The upper ring plate 41 of the tensile mechanism 4 is used to form a tensile force on the upper connection mechanism 1 .

[0082] The circular ring 33 of the lower connecting mechanism 3 is used to limit the horizontal displacement of the sliding mechanism 2 .

[0083] The buffer layer 44 of the tensile mechanism 4 is used to buffer the collision betwee...

Embodiment 3

[0086] Set at least four sets of frictional isolation devices under a single isolation device. If it is set to four sets, it will be arranged in a 2*2 pattern; if it is set to six sets, it will be arranged in a 2*3 pattern; if it is set to five sets , it is arranged according to the 212 method.

[0087] This embodiment adopts the method of arranging 8 seismic isolation devices under a single seismic isolation device, and arranges them in a 2*4 manner as an example.

[0088] The size of the upper plate of the upper connection mechanism 1 is φ310mm×20mm, the diameter of the bolt hole is φ26mm, the number is 4, and the hole distance is 210mm; the size of the lower plate is φ310mm×10mm; the height of the connecting cylinder is 55mm, the thickness is 10mm, and the radius of the sliding groove 14 is 30mm. The friction coefficient of the inner surface of the groove is 0.05. All parts are made of Q345B.

[0089] The size of the lower connecting mechanism 3 is φ650mm×20mm, the materi...

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Abstract

The invention discloses a friction type shock isolation device and system. The friction type shock isolation device comprises an upper connecting mechanism, a sliding mechanism, a lower connecting mechanism and an embedded mechanism which are sequentially arranged from top to bottom. A sliding groove is formed in the lower end of the upper connecting mechanism; the upper surface of the lower connecting mechanism is a concave arc-shaped surface; the upper end of the sliding mechanism is arranged in the sliding groove in a sleeved mode, and the upper end portion of the sliding mechanism is matched with the innermost side of the sliding groove. The lower end of the sliding structure is slidably connected with the upper surface of the lower connecting mechanism; the pre-embedded mechanism is mounted on the lower connecting mechanism; a tensile mechanism is arranged on the upper surface of the lower connecting mechanism; and the tensile mechanism is clamped with the upper connecting structure. The friction type shock isolation device is suitable for electrical equipment such as transformers and high-voltage shunt reactors, and has the advantages of being excellent in tensile property, reasonable in displacement deformation, stable in shock isolation period and the like through connection and cooperation of the upper connecting mechanism, the sliding mechanism, the lower connecting mechanism and the tensile mechanism.

Description

technical field [0001] The invention relates to the technical field of disaster prevention and reduction for electric facilities, in particular to a frictional shock isolation device and system. Background technique [0002] Due to the uneven distribution of energy bases and power loads, a large number of substations need to be built in unfavorable areas with high seismic intensity. The existing production needs put forward high requirements on the anti-seismic ability of the electrical equipment in the substation. [0003] Transformers, high-voltage shunt reactors and other equipment in substations have a large overall mass, and the bushing is a rod-shaped structure, the root of which bears a large bending moment, and the material strength is low. At the same time, due to the power amplification effect of the equipment body, the earthquake vulnerability is high . [0004] According to the previous project results and engineering experience, the current 500kV and above vol...

Claims

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Application Information

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IPC IPC(8): F16F15/02
CPCF16F15/02
Inventor 孙宇晗程永锋卢智成高坡张谦孟宪政
Owner CHINA ELECTRIC POWER RES INST
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