3results about How to "Reduce horizontal vibration" patented technology

The utility model discloses a spring shock absorber capable of reducing horizontal vibration of a fan, and belongs to the technical field of shock absorbers. A spring shock absorber capable of reducing horizontal vibration of a fan comprises a shock absorption box, a movable shock absorption movable plate is arranged on one side of the shock absorption box, supporting bolts penetrate through the shock absorption box and the shock absorption movable plate, an inner balancing weight and outer balancing weights are arranged in the shock absorption movable plate, and the outer balancing weights are arranged on the two sides of the inner balancing weight; through cooperation of the damping box and the damping movable plate, violent release of vibration energy can be effectively relieved under the damping effect of the damping spring, and horizontal vibration of the fan is remarkably reduced; the inner balancing weight and the outer balancing weight are connected to the supporting bolt in a sliding mode and coated with lubricating grease to guarantee smooth sliding, and vibration can be buffered through movement of the inner balancing weight and the outer balancing weight. The four damping boxes are installed at the four corners of the bottom steel plate of the fan, and the damping effect on horizontal vibration of the fan is comprehensively improved by combining a fixing structure of the supporting pieces and the connecting pieces.

The utility model discloses an extension type probe for an underground optical cable detector, which comprises a probe, one end of the probe is fixedly connected with a plurality of groups of fixing blocks, one end of each fixing block far away from the probe is fixedly connected with a damping plate, and one end of each damping plate far away from the corresponding fixing block is fixedly connected with a damping spring. A protective shell is arranged at the outer end of the probe, a plurality of sets of sliding grooves are formed in the end, away from the probe, of the interior of the protective shell, and electric wires are symmetrically and fixedly connected to the upper end of the probe; the optical cable detector has the beneficial effects that the optical cable detector has the effects of protecting an electric wire from external damage and aging, protecting the probe from being damaged by external impact by the protective shell at the outer end, and preventing the probe from being damaged by water in rainy and snowy weather and preventing dust from entering the probe during working in a dust environment; the service life of the probe is prolonged.

The present invention discloses a vibration reduction structure and vibration reduction method for a hollow breakwater, the structure includes three grooves in a horizontal row on the top of the breakwater wave plate, the left and right grooves are connected to the middle groove through a horizontal channel, a hydraulic system and a telescopic rod controlled by the hydraulic system and extending vertically upward out of the groove are installed at the bottom of the left and right grooves, a pad for tightening the telescopic rod is arranged on the side walls of the left and right grooves opposite to the above-mentioned channels, a press is installed in the middle groove, the pressure rods on the left and right sides of the press pass through the corresponding channels and are opposite to the telescopic rods in the left and right grooves, and more than two counterweights are placed between the left and right grooves on the top of the wave plate. The vibration reduction structure disclosed by the present invention has a simple structure and is convenient and quick to construct. Based on the principle of a dynamic vibration absorber, it can significantly improve the stability of the hollow breakwater structure and protect it from vibration damage. Although the cost is low, the vibration reduction effect is significant.