A vibration damping device for an expansion joint of an exhaust pipe

Abstract

The invention provides a damping device for an expansion joint of an exhaust pipe, which belongs to the technical field of exhaust pipe damping equipment. The present invention comprises a base plate, two support plates, connecting columns, a fixed block and a rolling mechanism, a fixed plate is vertically fixed on the upper side of the base plate, a toggle plate is connected between the base plate and the fixed plate, and the two supports The plate is fixed on the side of the fixed plate away from the toggle plate in parallel, and the connecting column slides up and down between the two supporting plates through a buffer mechanism. When the connecting column slides up and down, the buffer mechanism can buffer the connecting column , the fixed block is fixed on the end of the connecting column away from the fixed plate, and the side of the fixed block away from the fixed plate is provided with an arc-shaped groove. When the exhaust pipe and the arc-shaped groove slide relative to each other, the rolling The mechanism can reduce the friction of the arc groove on the side wall of the exhaust pipe. The invention can buffer the axial vibration of the expansion joint, and can also restrain the radial vibration of the expansion joint.

Description

Technical field [0001] The present invention belongs to the technical field of exhaust gas damping apparatus, and it is directed to a vibration damping device for exhaust pipe expansion connector. Background technique [0002] When the ship is in the navigation process, the host and generator will generate a large amount of thermoforing gas, which is discharged through the exhaust pipe, and the flue gas flows in the exhaust pipe to cause the exhaust pipe to vibrate. [0003] According to the arrangement requirements of the exhaust pipe, there is a need to be provided with an expansion connector in a partial position. When the exhaust pipe is thermally elongated, the setting of the expanded connector can undertake the elongation of the exhaust pipe, and if the fixed bracket is provided at the expansion connector, The expansion connector cannot be expanded. If the elastic bracket is provided, the axialness and radial direction of the expansion connector can be shaken, and the fixed...

AI Technical Summary

Problems solved by technology

[0003] According to the layout requirements of the exhaust pipe, some positions need to be equipped with expansion joints. When the exhaust pipe is heated and elongated, the installation of the expansion joint can bear the elongation of the exhaust pipe. If a fixed bracket is installed at the expansion joint, The expansion connector cannot be stretched. If an elastic bracket is installed, the axial and radial direction of the expansion connector will shake, and the fixing effect is not ideal.

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