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Valveless hydraulically-driven active quality control system for control of structural vibration

A technology for controlling system and structural vibration, applied to building components, fluid pressure actuators, servo motors, etc., can solve the problems of oil leakage polluting the environment, low energy conversion efficiency, and poor energy-saving effect, achieving good energy-saving effect, High energy conversion efficiency and low pressure loss

Inactive Publication Date: 2011-05-25
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In order to solve the problems of low energy conversion efficiency (poor energy-saving effect), complex structure, large volume, and unfavorable environmental protection (large noise and oil leakage polluting the environment) in the existing active mass driver (AMD), the present invention further provides a A Valveless Hydraulically Driven Active Mass Control System for Structural Vibration Control

Method used

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  • Valveless hydraulically-driven active quality control system for control of structural vibration
  • Valveless hydraulically-driven active quality control system for control of structural vibration
  • Valveless hydraulically-driven active quality control system for control of structural vibration

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specific Embodiment approach 1

[0016] Specific implementation mode one: as figure 1 and figure 2 As shown, the valveless hydraulically driven active quality control system for structural vibration control described in this embodiment includes an AC servo motor 1 and a coupling 2; the valveless hydraulically driven active quality control system also includes a bidirectional quantitative pump 3 , hydraulic cylinder 4 (also called actuator or actuator), mass block 5, sealed pressure oil tank 6, two oil replenishment valves 7, two hydraulic control check valves 8 and two overflow valves 9, The AC servo motor 1 is connected to the bidirectional quantitative pump 3 through a coupling 2, the bidirectional quantitative pump 3 and the hydraulic cylinder 4 form a closed circuit 10, and the oil discharge port of the bidirectional quantitative pump 3 communicates with the sealed pressure oil tank 6, two The oil replenishment valves 7 are connected in series in opposite directions and then connected in parallel on the...

specific Embodiment approach 2

[0018] Embodiment 2: The coupling 2 in this embodiment is an elastic coupling. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0019] Specific implementation mode three: as figure 1 and figure 2As shown, the two oil replenishment valves 7, two hydraulic control check valves 8 and two relief valves 9 in this embodiment are integrated together to form an integrated valve block 16, and the integrated valve block 16, the sealed pressure oil tank 6 and the two-way quantitative pump 3 form a hydraulic package, and the hydraulic package is placed on the cylinder block of the hydraulic cylinder 4 . Such setting can further reduce the volume of the DAMD described in the present invention. Other compositions and connections are the same as those in Embodiment 1 or 2.

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Abstract

A valveless hydraulically-driven active quality control system for the control of structural vibration relates to a valveless hydraulically-driven active quality control system and solves the problems that the existing active quality drivers (AMD) have low energy conversion efficiency, complex structure, large size and non-beneficial environment protection property. An AC servo motor is, through a shaft coupler, connected with a bidirectional quantitative pump that forms a closed loop with a hydraulic cylinder; an oil outlet of the bidirectional quantitative pump is communicated with a tight pressure oil cylinder; two oil feeding valves are connected with one another oppositely and in series, and connected with the closed loop in parallel; two hydraulic control check valves and two overflow valves are connected with the closed loop at the two sides of the bidirectional quantitative pump in series and in parallel respectively; the two oil feeding valves, two hydraulic control check valves and two overflow valves are integrated into an integrated valve block; and an mass block is connected with a piston rod of the hydraulic cylinder. The invention has the characteristics of high energy conversion efficiency which reaches 90%, good energy-saving effect, simple structure, small size, big output force and beneficial environment protection property.

Description

technical field [0001] The invention relates to a valveless hydraulic drive active quality control system, in particular to a valveless hydraulic drive active quality control system for structural vibration control. Background technique [0002] With the development of society and economy and the advancement of science and technology, especially the intensification of the worldwide economic crisis at the end of 2008, the governments of various countries are stepping up their efforts to invest in civil engineering and infrastructure construction to stimulate domestic demand and stimulate economic growth. In this context, super high-rise buildings, A large number of large and complex structures such as super-long-span bridges, super-long-span space structures, nuclear power plants, and (deep-sea) offshore oil drilling platforms have been built, and there are many iconic major projects. On the other hand, with the development of material science and structural design theory, ci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/98F15B11/028
Inventor 欧进萍姜继海张春巍刘军龙刘庆和
Owner HARBIN INST OF TECH