Test device with convenient installation and unloading for testing dynamic characteristics of seismic isolation building structure

[0045] A test device for testing the dynamic characteristics of a seismically isolated building structure that is easy to install and unload, such as figure 1 , 7 As shown in and 8, including reaction wall 1, hydraulic jack 2, quick disassembly assembly 3, auxiliary disassembly assembly 4, hydraulic jack support mechanism 5 and shock-isolation support assembly 6;

[0046] The hydraulic jack 2 is installed horizontally on the hydraulic jack support mechanism 5, the base of the hydraulic jack 2 is provided with a reaction wall 1, and the top is provided with a vibration isolation support assembly 6 through the quick release assembly 3. The first unloading block 31 and the second unloading block 32 of the inclined plane, the auxiliary dismounting assembly 4 is installed between the base and the top of the hydraulic jack 2;

[0047] The hydraulic jack support mechanism 5 includes a first support plate 51, a second support plate 52, a horizontal screw 53 and a lifting leveling assemb

[0051] This embodiment is further improved on the basis of embodiment 1, as figure 1 , 2 , 3 and 6, the quick disassembly assembly 3 also includes a warping rod 33 and a clamping rod 34, one end of the warping rod 33 is provided with a warping rod slot 331, the other end is provided with a hook hole 332, and one end of the clamping rod 34 is hinged on the hydraulic jack 2, the other end is provided with a hook 341;

[0052] The first unloading block 31 and the second unloading block 32 are respectively provided with a door-shaped hook frame I311 and a door-shaped hook frame II321; the warping rod 33 passes through the door-shaped hook frame I311, and the warping rod slot 331 at one end is engaged with the door-shaped hook frame II 321, the hook hole 332 at the other end engages with the hook 341;

[0053] The slope of the first unloading block 31 is provided with a slot 312 , and the slot 312 is arranged along the inclined direction of the slope. The slope of the second unloadi

[0056] This embodiment is further improved on the basis of embodiment 1 or 2, as figure 1 , 4 As shown in and 5, the auxiliary disassembly assembly 4 includes a first connecting plate 41 installed on the base of the hydraulic jack 2, a second connecting plate 42 installed on the top of the hydraulic jack 2, and a spring connecting the first connecting plate 41 and the second connecting plate 42 43;

[0057] The first connecting plate 41 is provided with a first limiting groove 44 for engaging the base of the hydraulic jack, and the two sides of the second connecting plate 42 are respectively provided with a second limiting groove 45 for engaging the top of the hydraulic jack and the first unloading block 31 and The third limiting slot 46 , the first connecting plate 41 and the second connecting plate 42 are all provided with a connecting hook 47 connecting the spring 43 .

[0058] In specific use, by setting the first limiting groove 44, the second limiting groove 45 and the th