Vibration test coupling device and four-integrated vibration test system

A four-integrated vibration test system, comprising a vibration test coupling device, a vibration generator, a test chamber, and a test platform,

• wherein the vibration test coupling device comprises:
• a transition head, wherein the transition head is slidably inserted into the test chamber, a first end of the transition head extends into the test chamber, a second end of the transition head extends out of the test chamber to be connected to a moving coil of the vibration generator, and a plurality of sliding channels are formed on an outer peripheral surface of the transition head and are uniformly distributed along a circumferential direction of the transition head;
• a plurality of balancing assemblies, wherein the plurality of balancing assemblies are in a one-to-one correspondence with the plurality of sliding channels, each balancing assembly of the plurality of balancing assemblies comprises a limiting insert plate and an adjustment airbag, a part of the limiting insert plate is inserted into a corresponding sliding channel of the plurality of sliding channels, the other part of the limiting insert plate extends out of the corresponding sliding channel to be connected to the test chamber, the adjustment airbag is disposed in the corresponding sliding channel and is sandwiched between the limiting insert plate and a surface of the corresponding sliding channel facing the limiting insert plate, and the adjustment airbag is configured to balance forces acting on the transition head under different pressure difference conditions;
• and
• a deflection correction assembly, wherein the deflection correction assembly comprises a deflection correction elastic member, and the deflection correction elastic member is connected in a sliding channel of the plurality of sliding channels and is configured to balance a deflection force acting on the transition head due to a pressure difference between different adjustment airbags;
• wherein the deflection correction assembly further comprises a first connecting member and a second connecting member, the first connecting member is connected to a surface of the limiting insert plate that is connected to the adjustment airbag, the second connecting member is connected to a sidewall of the corresponding sliding channel, and two ends of the deflection correction elastic member are connected to the first connecting member and the second connecting member, respectively;
• wherein the vibration generator is configured to provide a vibration environment for a vibration test, the test chamber is configured to provide a test specimen with temperature, humidity, a low-pressure environment, and a high-pressure environment, the test platform is disposed in the test chamber and is connected to the first end of the transition head extending into the test chamber, and the test platform is configured to carry the test specimen.