Patent RU-2651395-C1 (RU)
Inventor: Kochetov Oleg Savelevich
IPC: F16F7/14
Filed: 2017-08-04
Granted: 2018-04-19
Abstract: FIELD: machine building. 
     SUBSTANCE: invention relates to machine building and can be used for process equipment, hardware and instruments, as well as human operator protection against the impact of vibration and shock loads. Vibration isolator with flat springs contains a frame connecting two resilient elements of a different design but of equal rigidity installed in parallel therein. Frame is made in the form of two supporting horizontal plates, resting against the left and right resilient damping elements, respectively. Frame horizontal plates are rigidly connected to the vertical plates, which in the frame lower part are connected together by the base plate, on which through the vibration damping gasket and a vertical post a platform for the vibration-insulated object is installed, wherein both resilient elements, the left and the right, are installed on the common base. Left resilient element is installed on a common base through the vibration damping gasket, and the right resilient element is through the vibration damping gasket, which is made identical to the vibration damping gasket fixed in its upper part and located under the frame horizontal supporting plate. Left resilient element is made in the form of an elastic damping element, which is a damper comprising body and piston arranged therein, the body is made in the form of a cylinder with a bottom, in which a piston is located in the form of a cup with parallel to each other and coaxial to the body upper and a lower collars, which are disposed with a gap relative to the body inner surface, and between collars the friction material is located. Right resilient element is made in the form of an elastic damping element with flat springs and contains flat resilient elements and damping elements, flat resilient elements are made in the form of the of arced resilient elements package in the form the alternating in mutually perpendicular directions and resting against the base flat springs, wherein each of the flat springs consists of a horizontal flange and two side flanges bent at an angle of 135° to the horizontal flange and having support areas at the ends. Vibration isolator damping element is made frictional in the form of rivets located parallel to the vibration isolator axis, made of friction material and connecting interacting with the base flat springs. Through the elastomeric resilient element vibration isolator base is installed on the mesh damper body, which contains a base made in the form of a vertical cylinder with fasteners located perpendicular to the cylinder axis in its middle part, wherein one of the fasteners is a bolt with a washer, and the other, oppositely disposed and connected to the bolt, is a threaded bushing with a washer, which is the supporting element with the vibration-insulated object inclined arrangement. In the cylinder upper part the elastomeric resilient element is arranged, for example, from rubber or polyurethane, and in the lower part the combined resilient element is arranged. 
     EFFECT: increase in the vibration isolation effectiveness due to the mesh elastic elements introduction into the vibration isolation system, damping oscillations in the middle and high frequencies. 
     1 cl, 3 dwg