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Angular displacement damper energy consumption performance detection device and detection method

A detection device and damper technology, which is used in measurement devices, instruments, scientific instruments, etc., can solve the problems of limited application scope, inability to obtain hysteresis performance curves, and high detection costs, so as to save detection costs, test methods are flexible and flexible. The effect of high detection accuracy

Active Publication Date: 2022-03-01
JIANGSU OPEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this application can directly apply load to the angular displacement damper, the loading direction is only one-way rotation, and the hysteretic performance curve with positive and negative displacement cannot be obtained; its use is limited by the shape of the specific angular displacement damper, and it can only detect The angular displacement damper with a fixed shape has a limited scope of application, and the test must be carried out with two specimens as one group, and the detection cost is high

Method used

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  • Angular displacement damper energy consumption performance detection device and detection method
  • Angular displacement damper energy consumption performance detection device and detection method
  • Angular displacement damper energy consumption performance detection device and detection method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] The energy dissipation performance detection device of the angular displacement damper in this embodiment includes:

[0063] base1;

[0064] The turntable 2 is connected to the top surface of the base 1 for horizontal rotation, and the turntable 2 can rotate around its axis;

[0065] The first fixing part 3 is connected to the top surface of the turntable 2 by transmission, and the first fixing part 3 is used to fix the top steel plate 1001 of the angular displacement damper 1000;

[0066] The second fixing part 4 is placed above the turntable 2, and the second fixing part 4 is used to fix the bottom steel plate 1002 of the angular displacement damper 1000;

[0067] The drive control unit 5 is connected with the turntable 2 in transmission, drives the turntable 2 to rotate, and records the driving force and the rotation angle of the turntable 2 .

[0068] Such as figure 2 with image 3 As shown, in this embodiment, the base 1 is a steel support structure fixed on t...

Embodiment 2

[0073] The energy dissipation performance detection device of the angular displacement damper in this embodiment is further improved on the basis of Embodiment 1, and a polytetrafluoroethylene plate 10 is provided between the turntable 2 and the base 1 .

[0074] Such as figure 2 As shown, in this embodiment, by setting the polytetrafluoroethylene plate 10, the friction coefficient of the polytetrafluoroethylene material is extremely low. Generally, the friction coefficient of polytetrafluoroethylene to steel is 0.04, and the friction coefficient will be reduced to 0.016 under high load conditions. , so that during the detection process, the turntable 2 can flexibly rotate on the base 1, which greatly reduces the frictional energy consumption between the turntable 2 and the base 1, and helps to improve the accuracy of the data collected by the drive control unit 5, and further Improve detection accuracy.

Embodiment 3

[0076] The energy dissipation performance detection device of the angular displacement damper in this embodiment is further improved on the basis of Embodiment 2, and the second fixing part 4 includes:

[0077] ground anchor beam 40, which is horizontally arranged on both sides of the turntable 2;

[0078] The moving crossbeam 41 is placed horizontally above the turntable 2, and the two ends of the moving crossbeam 41 are fixedly connected with two ground anchor beams 40 respectively.

[0079] Such as image 3 As shown, there are two ground anchor beams 40 anchored on the ground, which are arranged on both sides of the turntable 2. Usually, the length direction of the ground anchor beam 40 is parallel to the top steel plate 1001 of the angular displacement damper 1000 to be measured fixed on the turntable 2;

[0080] The movable crossbeam 41 is detachably connected with the ground anchor beam 40. The movable crossbeam 41 of the present embodiment includes a crossbeam and two ...

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Abstract

The invention discloses an angular displacement damper energy consumption performance detection device and detection method, and belongs to the technical field of mechanical inspection devices. The device comprises a base; the rotating disc is horizontally and rotatably connected to the top surface of the base, and the rotating disc can rotate around the axis of the rotating disc; the first fixing piece is in transmission connection with the top surface of the turntable, and the first fixing piece is used for fixing a top steel plate of the angular displacement damper; the second fixing piece is arranged above the rotating disc and is used for fixing a bottom steel plate of the angular displacement damper; and the driving control unit is in transmission connection with the turntable, drives the turntable to rotate and records the driving force and the rotating angle of the turntable. Through structural design cooperation, the detection device capable of directly carrying out angular displacement reciprocating loading on the angular displacement damper is constructed, then working performance parameters of the angular displacement damper can be conveniently, effectively and directly collected and detected, influence factors are small, and the detection precision is high.

Description

technical field [0001] The invention belongs to the technical field of mechanical inspection devices, and more specifically relates to a detection device and a detection method for the energy dissipation performance of an angular displacement damper. Background technique [0002] In order to ensure the robustness of the structure under dynamic action, in addition to optimizing its own structural design, it is also necessary to use a large number of shock absorption and isolation technologies to control the structural response of the structure that may be caused by external excitations such as earthquakes, wind, and vehicle vibration. Shock absorbers are the most commonly used shock absorbing energy-consuming devices. [0003] According to different working principles, shock absorbers can be divided into displacement type and velocity type. The displacement type includes two types: linear displacement and angular displacement. Most of the performance tests of shock absorbers ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/08
CPCG01N3/08G01N2203/0003G01N2203/0017G01N2203/0075G01N2203/0676G01N2203/0682
Inventor 黎雅乐杨丙文李雪红钱声源佘振扬
Owner JIANGSU OPEN UNIV
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