Tower frame vibration damping device and tower frame comprising same
A vibration damping device and tower technology, applied in the installation/supporting configuration of wind turbines, springs/shock absorbers, vibration suppression adjustment, etc., can solve the problem that turbulence or damping devices cannot suppress the random vibration of tower vortex-induced vibration at the same time , Control the limited power control of the unit, the large space occupied by the cable, etc., to achieve the effect of high construction feasibility, small occupied space, and economical cost
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[0045] Example 1
[0046] Such as figure 1 with figure 2 As shown, the present invention provides a tower damping device, which includes a support system 1, the support system 1 includes a support rod 11 and a connecting block 12, the connecting block 12 is fixedly welded to one end of the support rod 11. The supporting system 1 also includes an oblique brace 13 which can make the structure of the entire supporting system 1 stronger. One end of the diagonal brace 13 is fixedly welded with a connecting block 12, and the other end of the diagonal brace 13 is fixedly welded to a position in the middle of the support rod 11. As an alternative, other fixed connection methods can also be used. The tower vibration damping device also includes a stay cable 2, a damper module 3, and an anchor pile system 5, the support system 1, the stay cable 2, the damper module 3 and the anchor pile system 5 are connected in sequence.
[0047] Such as image 3 As shown, the damper module 3 includes a ...
Example Embodiment
[0051] Example 2
[0052] Such as Image 6 As shown, the structure of this embodiment is basically the same as that of Embodiment 1, and the difference is that the support system 1 further includes a pulley 14 fixed to one end of the support rod 11. One end of the cable 2 is tied to the tower 6 and then goes around the pulley 14, and the other end is connected to the first connecting rod 32 at the other end of the damper module 3. Adding a pulley 14 at one end of the support rod 11 can avoid the friction between the cable 2 and the support rod 11, and the cable 2 itself will be deformed due to the tensioned state, and the use of the pulley 14 makes the deformation of the cable 2 unconstrained , So as to better achieve the effect of suppressing tower vibration.
Example Embodiment
[0053] Example 3
[0054] Such as Figure 4 and Figure 7 As shown, the structure of this embodiment is basically the same as that of Embodiment 1, and the difference is that the tower damping device also includes an elastic system 4. That is, in order to adjust the natural frequency of the entire tower damping device and avoid the tower damping device from resonating with the tower 6, an elastic system 4 is installed between the damper module 3 and the anchor pile system 5. The elastic system 4 includes a spring 41, a cylinder 42, a movable connecting rod 43 and a fixed connecting rod 44. The spring 41 is located inside the cylinder 42. One end of the spring 41 is fixed on the movable connecting rod 43, the other end of the spring 41 is fixed on the top of the inner wall of the cylinder 42, and the fixed connecting rod 44 is welded to the outer top of the cylinder 42. In order to achieve a better effect of avoiding resonance between the tower damping device and the tower 6, ot...
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