Vibration reduction and noise reduction device with blocking type structure

Abstract

The invention belongs to the technical field of electromechanical vibration reduction and noise reduction, and relates to a vibration reduction and noise reduction device with a blocking type structure, in particular to a structure and a device for isolating and blocking vibration transmitted through an electromechanical equipment base or a pipeline and reducing the noise. According to the vibration reduction and noise reduction device with the blocking type structure, a main body structure of the device comprises a top plate, damping plates, lining plates, a base body and bolt set sleeves, wherein according to a stacking arrangement sequence, the top plate, the first damping plate, the first lining plate are sequentially arranged from top to bottom, and are correspondingly fastened on thebase body by bolts after being tightly compacted layer by layer, and a complete rigid-flexible combined blocking type vibration and noise reduction base structure is formed; the device can be correspondingly combined to form base bodies of multiple structures so as to be formed variable bodies with different appearances and different application ranges; and the strength of rigid connection of electromechanical equipment can be kept, the specific damping effect of the flexible connection is also achieved, transmission of mechanical vibration can be effectively blocked, and transmission of thenoise generated by vibration can be inhibited.

Description

Technical field: [0001] The invention belongs to the technical field of electromechanical vibration reduction and noise reduction, and relates to a vibration reduction and noise reduction device with a blocking structure, in particular to a structure for isolating and blocking vibration transmitted through electromechanical equipment bases or pipelines, and reducing noise and its devices. Background technique: [0002] At present, in many electromechanical equipment and pipeline installation occasions, it is often necessary to install vibration damping components to reduce vibration noise, especially in the installation occasions of large electromechanical equipment and large-diameter pipelines. Rigid (also known as rigid) connection is used, that is, between the electromechanical equipment and the base, or between the pipeline and the equipment, or between the pipeline and the pipeline for mutual fixed installation and connection, generally rigid materials are used for inst...

AI Technical Summary

Problems solved by technology

[0002] At present, in many electromechanical equipment and pipeline installation occasions, it is often necessary to install vibration damping components to reduce vibration noise, especially in the installation occasions of large electromechanical equipment and large-diameter pipelines. Rigid (also known as rigid) connection is used, that is, between the electromechanical equipment and the base, or between the pipeline and the equipment, or between the pipeline and the pipeline for mutual fixed installation and connection, generally rigid materials are used for installation and connection. Therefore, the vibration generated between the electromechanical equipment is transmitted to the connected base or pipeline through the rigid connection, forming vibration noise. Although various engineering measures for vibration and noise reduction are adopted, the electromechanical equipment or the front-end pipeline itself The vibration generated will still inevitably be transmitted to the connected body, and the noise will also be generated and transmitted.

In order to overcome vibration noise, people also use flexible (also known as soft) connection methods, that is, the use of flexible materials for high vibration damping characteristics can effectively block the transmission of vibration and the transmission of noise, but due to the lack of rigidity of flexible materials The disadvantages of weak load-bearing capacity greatly limit the wide application of this method in the field of electromechanical equipment installation, especially when the power and self-weight of the equipment are large and the diameter of the pipe is thick, the shortcomings of this flexible connection are more prominent

[0003] In the prior art, the patented technology of Chinese patent application number CN201620167682.X discloses a transformer vibration and noise reduction device, which reduces the mechanical vibration of the transformer and the noise generated by the double vibration isolation method, and prolongs the life of the transformer. However, due to its structural design and the use of materials, it cannot withstand high-intensity vibrations and cannot meet the needs of rigid connections; the patented technology of Chinese patent application No. CN201410760243.5 discloses a vibration-damping base. The technical solution achieves the technical effect of vibration reduction by filling rubber particles in the spring vibration-absorbing layer. However, due to the direct contact of metal parts, the noise generated by vibration can still be well transmitted through the metal, which cannot achieve better The technical effect of vibration reduction and noise reduction

[0004] To sum up, it can be seen that the existing vibration and noise reduction technical solutions cannot meet the requirements of both rigid connection and vibration and noise reduction. Therefore, in the field of mechanical and electrical equipment installation engineering, especially in the field of large-scale equipment and large-diameter pipeline installation engineering, It is very necessary to design and develop a connection method and device that can not only meet the demand for connection strength like a rigid connection, but also achieve the flexible connection method that can effectively block the transmission of vibration and the transmission of noise.

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