CN-116181795-B - Multidirectional vibration-damping bearing base structure

CN116181795BCN 116181795 BCN116181795 BCN 116181795BCN-116181795-B

Abstract

The invention provides a multidirectional vibration reduction bearing base structure which comprises a first base, a second base, a damping layer and a supporting layer, wherein the top surface is used for bearing a bearing, the bottom surface is provided with a first bending surface, the first bending surface comprises a first plane extending along a first direction and a second plane extending along a second direction, the first plane and the second plane are arranged at an angle, the second base is used for being connected with an external structure, the top surface is provided with a second bending surface matched with the first bending surface, and the damping layer is arranged between the first bending surface and the second bending surface. The multidirectional vibration damping bearing base structure provided by the invention can realize multidirectional vibration damping, can be improved on the original base, can reduce the weight of the base, can improve the vibration damping effect of the base, and can improve the impact resistance effect of the base. And the space structure is fully utilized, the vibration reduction and shock resistance performance is integrated, the structure is simple and compact, and the installation is convenient.

Inventors

HE TAO
LI SHAODAN
DAI CHUNHUI
LAO XINGSHENG
DAI LU
LIN YUANSHENG
CAO GUANGMING
LIU YONG
Wu Muyun
ZHENG ZHAOLI
YANG XIAOHU
LV WEIJIAN

Assignees

中国船舶重工集团公司第七一九研究所

Dates

Publication Date: 20260512
Application Date: 20221213

Claims (8)

1. A multidirectional vibration-damping bearing base structure, comprising: The bearing comprises a first base, wherein the top surface of the first base is used for bearing, the bottom surface of the first base is provided with a first bending surface, the first bending surface comprises a first plane extending along a first direction and a second plane extending along a second direction, and the first plane and the second plane are arranged at an angle; The bottom surface of the second base is used for being connected with an external structure, and the top surface of the second base is provided with a second bending surface matched with the first bending surface; The damping layer is arranged between the first bending surface and the second bending surface, and extends along the bending direction between the first bending surface and the second bending surface; The damping layer comprises an elastic damping layer and a framework, wherein the elastic damping layer is filled between the first bending surface and the second bending surface, the framework is supported in the elastic damping layer, the framework comprises a plurality of framework units, each framework unit comprises a ring unit and a plurality of ligaments, and the ring unit and the ligaments are arranged in the elastic damping layer; the flexible belts extend along the tangential direction of the ring units, each flexible belt is sequentially connected with each tangential point on the ring unit along the circumferential direction of the ring unit, and the ring unit is connected with the adjacent ligament of the ring unit through the ligament arranged along the tangential direction of the ring unit.
2. The multidirectional vibration damping bearing base structure according to claim 1, wherein the elastic damping layer is a rubber damping layer.
3. The multidirectional vibration damping bearing base structure according to claim 1, wherein the skeleton is a carbon fiber skeleton.
4. The multidirectional vibration damping bearing base structure according to claim 1, wherein the first bending surface further includes a third plane extending in a third direction, the first plane, the second plane, and the third plane being disposed at an angle therebetween.
5. The multidirectional vibration damping bearing base structure according to any one of claims 1-4, wherein the bottom surface of the first base is configured with a plurality of the first bending surfaces, and the top surface of the second base is configured with a plurality of the second bending surfaces that are matched with the plurality of the first bending surfaces in a one-to-one correspondence.
6. The multidirectional vibration damping bearing base structure according to claim 5, wherein the bottom surface of the first base is configured with two first bending surfaces, and the top surface of the second base is configured with two second bending surfaces that are matched with the two first bending surfaces in a one-to-one correspondence; the damping layers are respectively arranged on the two sides of the bearing, the first damping layer is located on the first side of the bearing, the first damping layer is arranged between the first bending surface and the second bending surface corresponding to the first damping layer, the second damping layer is located on the second side of the bearing, and the second damping layer is arranged between the first bending surface and the second bending surface corresponding to the second damping layer.
7. A multidirectional vibration damping bearing base structure according to any one of claims 1-4, wherein the top surface of said first base is configured with a recess for seating said bearing, said bearing being at least partially disposed in said recess.
8. A multidirectional vibration damping bearing base structure according to any one of claims 1-4, wherein the top surface of the first base is provided with a recess extending into the second base, said bearing being at least partially disposed in said recess.

Description

Multidirectional vibration-damping bearing base structure Technical Field The invention relates to the technical field of bearing vibration reduction structures, in particular to a multidirectional vibration reduction bearing base structure. Background At present, most shafting vibration of rotary equipment is transmitted to equipment machine legs through a bearing base, most of existing bases are of steel structures, damping is small, rigidity is large, vibration isolation effect on shafting vibration is avoided, and multidirectional vibration reduction on bearings cannot be achieved through the existing bases. Accordingly, there is a need for a base structure that dampens vibrations of a bearing in multiple directions. Disclosure of Invention The invention provides a multidirectional vibration damping bearing base structure, which is used for solving the problem that the conventional base cannot realize multidirectional vibration damping of a bearing. The invention provides a multidirectional vibration damping bearing base structure, which comprises: The bearing comprises a first base, wherein the top surface of the first base is used for bearing, the bottom surface of the first base is provided with a first bending surface, the first bending surface comprises a first plane extending along a first direction and a second plane extending along a second direction, and the first plane and the second plane are arranged at an angle; The bottom surface of the second base is used for being connected with an external structure, and the top surface of the second base is provided with a second bending surface matched with the first bending surface; The damping layer is arranged between the first bending surface and the second bending surface, and extends along the bending direction between the first bending surface and the second bending surface. According to the present invention, there is provided a multidirectional vibration damping bearing base structure, the damping layer comprising: the elastic damping layer is filled between the first bending surface and the second bending surface; and a skeleton supported in the elastic damping layer. According to the multidirectional vibration damping bearing base structure provided by the invention, the elastic damping layer is a rubber damping layer. According to the multidirectional vibration damping bearing base structure provided by the invention, the framework is a carbon fiber framework. According to the present invention, there is provided a multidirectional vibration damping bearing base structure, the skeleton comprising: the elastic damping layer comprises a plurality of framework units, wherein each framework unit comprises a ring unit and a plurality of ligaments, and the ring unit and the ligaments are arranged in the elastic damping layer; the flexible belts extend along the tangential direction of the ring units, each flexible belt is sequentially connected with each tangential point on the ring unit along the circumferential direction of the ring unit, and the ring unit is connected with the adjacent ligament of the ring unit through the ligament arranged along the tangential direction of the ring unit. According to the multidirectional vibration damping bearing base structure provided by the invention, the first bending surface further comprises a third plane extending along a third direction, and the first plane, the second plane and the third plane are arranged in an angle. According to the multidirectional vibration damping bearing base structure provided by the invention, the bottom surface of the first base is provided with a plurality of first bending surfaces, and the top surface of the second base is provided with a plurality of second bending surfaces which are matched with the first bending surfaces in a one-to-one correspondence manner. According to the multidirectional vibration damping bearing base structure provided by the invention, the bottom surface of the first base is provided with two first bending surfaces, and the top surface of the second base is provided with two second bending surfaces which are matched with the two first bending surfaces in a one-to-one correspondence manner; the damping layers are respectively arranged on the two sides of the bearing, the first damping layer is located on the first side of the bearing, the first damping layer is arranged between the first bending surface and the second bending surface corresponding to the first damping layer, the second damping layer is located on the second side of the bearing, and the second damping layer is arranged between the first bending surface and the second bending surface corresponding to the second damping layer. According to the multidirectional vibration damping bearing base structure provided by the invention, the top surface of the first base is provided with a groove for accommodating the bearing, and the bearing is at least partially arranged in the groove. Acco