CN-122014808-A - Friction damping vibration double-control damping device for electrical equipment

CN122014808ACN 122014808 ACN122014808 ACN 122014808ACN-122014808-A

Abstract

The invention relates to the technical field of damping devices of electrical equipment, and discloses a friction damping vibration dual-control damping device for electrical equipment, wherein a damping adjusting component is adopted to support a friction damping buffering component at the middle part of the upper end of a base; the friction damping buffer assembly comprises a friction damping buffer assembly, a friction damping support, a tension friction piece, a buffer adjusting assembly and a side buffer support, wherein limit connecting pieces are arranged on the friction damping buffer assembly at equal intervals and are connected to the bottom of an installation seat, a middle buffer support piece in the middle of the friction damping buffer assembly is supported at the bottom of the installation seat, the tension friction piece at the bottom of the friction damping buffer assembly is connected in a sliding seat on a base in a sliding mode, the buffer adjusting assembly is communicated with the tension friction piece and is used for adjusting friction damping between the bottom of the friction damping buffer assembly and the sliding seat through the tension friction piece, and the corner of the upper end of the base is provided with the side buffer support piece supported at the bottom of the installation seat. According to the invention, a self-adaptive damping adjustment system is constructed through the linkage design of the buffer adjustment assembly and the tensioning friction piece, and the functions of vibration-vibration double control are coordinated through the accurate connection and driving design of each structure.

Inventors

WANG DAYANG
XU SHENCHUN
WANG XING
ZHU YONG

Assignees

广州大学

Dates

Publication Date: 20260512
Application Date: 20260415

Claims (7)

1. The friction damping vibration double-control damping device for the electrical equipment comprises a base and a mounting seat for mounting the electrical equipment, and is characterized in that a friction damping buffer assembly is supported at the middle part of the upper end of the base by adopting a buffer adjusting assembly; limiting connecting pieces which are arranged on the friction damping buffer component at equal intervals are connected to the bottom of the mounting seat; The middle buffer supporting piece in the middle of the friction damping buffer assembly is supported at the bottom of the mounting seat; the tensioning friction piece at the bottom of the friction damping buffer assembly is slidingly connected in the sliding seat on the base, the buffer adjusting assembly is communicated with the tensioning friction piece, and the buffer adjusting assembly is used for adjusting friction damping between the bottom of the friction damping buffer assembly and the sliding seat through the tensioning friction piece; The corner of the upper end of the base is provided with a side buffering support piece supported at the bottom of the mounting seat.
2. The friction damping vibration-vibration dual-control damping device for electrical equipment according to claim 1, wherein the buffering adjusting component comprises a buffering oil cylinder body fixed in the middle of the upper end of the base, a piston arranged in the buffering oil cylinder body, a piston rod in the middle of the upper end of the piston, a supporting plate fixed after the piston rod penetrates through the buffering oil cylinder body, and rubber wheels distributed on the supporting plate at equal intervals.
3. The friction damping vibration double-control damping device for electrical equipment according to claim 2, wherein the middle buffer support piece comprises a lifting seat, a first limiting frame arranged at the upper end of the lifting seat and a middle buffer rubber pad with the bottom embedded into the first limiting frame, and the rubber wheel is supported at the bottom of the lifting seat.
4. The friction damping vibration double-control damping device for electrical equipment according to claim 3, wherein the limiting connecting piece comprises a connecting arm movably connected between the lifting seat and the corresponding tensioning friction piece and an H-shaped frame movably connected with the middle part of the connecting arm and the bottom of the mounting seat; The middle part of the connecting arm is provided with a bottom connecting hole for inserting a bottom rubber cylinder, a plurality of groups of connecting seats are arranged at the bottom of the mounting seat at equal intervals, and the connecting seats are provided with top connecting holes for inserting a top rubber cylinder; The top pin shaft at the upper end of the H-shaped frame penetrates through the top rubber cylinder to extend out, and the bottom pin shaft at the lower end of the H-shaped frame penetrates through the bottom rubber cylinder to extend out.
5. The friction damping vibration-damping double-control damping device for electrical equipment according to claim 4, wherein the tensioning friction piece comprises a T-shaped seat in the sliding seat in a sliding way, a U-shaped elastic tensioning seat arranged at the outer side end of the bottom of the T-shaped seat and an expansion bag positioned in the U-shaped elastic tensioning seat; the expansion bag is communicated with the bottom of the corresponding buffer oil cylinder body by adopting a hose; The outer side wall of the U-shaped elastic tensioning seat is provided with a friction inclined plane, and the friction inclined plane is tightly attached to the triangular friction seat on the inner wall of the sliding seat.
6. The friction damping shake dual-control damping device for electrical equipment of claim 5, wherein the side wall of the lifting seat is provided with top connecting lugs, the upper ends of the connecting arms are movably connected between the corresponding top connecting lugs by adopting top pin rods, the inner side ends of the bottoms of the T-shaped seats are provided with bottom connecting lugs, and the lower ends of the connecting arms are movably connected between the corresponding bottom connecting lugs by adopting bottom pin rods.
7. The friction damping vibration double-control damping device for electrical equipment of claim 1, wherein the side buffering support piece comprises a support seat arranged at the corner of the upper end of the base, a second limiting frame arranged at the upper end of the support seat, and a side buffering rubber pad with the bottom embedded into the second limiting frame.

Description

Friction damping vibration double-control damping device for electrical equipment Technical Field The invention relates to the technical field of damping devices of electrical equipment, in particular to a friction damping vibration double-control damping device for electrical equipment. Background The electric equipment such as a reactor, a transformer and the like is core key equipment of the power system, and the running stability of the electric equipment directly determines the power supply reliability of a power grid. The equipment is subjected to double vibration excitation in the whole life cycle, namely high-frequency electromagnetic vibration caused by magnetostriction of an iron core and electromagnetic force of a winding in normal operation and low-frequency large-amplitude impact vibration in the scenes of earthquake, transportation impact and the like, and the coupling effect of the two types of vibration is easy to cause fatigue damage and insulation performance reduction of equipment parts, even cause malignant faults and seriously influence the safe operation of a power grid. The current vibration reduction field of electrical equipment has obvious technical bottlenecks that most of the existing vibration reduction devices are designed in a single function mode, or fixed damping rubber is adopted for buffering only for high-frequency electromagnetic vibration, or rigid anti-vibration structures are designed only for earthquake impact, so that 'vibration-vibration double control' collaborative protection is difficult to achieve. The device for partially trying to realize double-frequency vibration reduction adopts a complex electric control adjusting structure, so that the device is high in cost, high in maintenance difficulty, and delayed in response speed, and is difficult to cope with the dynamic change of the instantaneous earthquake impact. For this purpose, we propose a friction damping vibration double-control damping device for electrical equipment. Disclosure of Invention The invention aims to provide a friction damping vibration-vibration double-control damping device for electrical equipment, which is used for solving the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: The friction damping vibration dual-control damping device for the electrical equipment comprises a base and a mounting seat for mounting the electrical equipment, wherein a friction damping buffering component is supported at the middle part of the upper end of the base by adopting a buffering adjusting component; limiting connecting pieces which are arranged on the friction damping buffer component at equal intervals are connected to the bottom of the mounting seat; The middle buffer supporting piece in the middle of the friction damping buffer assembly is supported at the bottom of the mounting seat; the tensioning friction piece at the bottom of the friction damping buffer assembly is slidingly connected in the sliding seat on the base, the buffer adjusting assembly is communicated with the tensioning friction piece, and the buffer adjusting assembly is used for adjusting friction damping between the bottom of the friction damping buffer assembly and the sliding seat through the tensioning friction piece; The corner of the upper end of the base is provided with a side buffering support piece supported at the bottom of the mounting seat. Preferably, the buffering adjusting component comprises a buffering oil cylinder body fixed in the middle of the upper end of the base, a piston arranged in the buffering oil cylinder body, a piston rod in the middle of the upper end of the piston, a supporting plate fixed after the piston rod penetrates through the buffering oil cylinder body, and rubber wheels distributed at equal intervals in the supporting plate. Preferably, the middle buffer support piece comprises a lifting seat, a first limiting frame arranged at the upper end of the lifting seat and a middle buffer rubber pad with the bottom embedded into the first limiting frame, and the rubber wheel is supported at the bottom of the lifting seat. Preferably, the limiting connecting piece comprises a connecting arm movably connected between the lifting seat and the corresponding tensioning friction piece and an H-shaped frame movably connected with the middle part of the connecting arm and the bottom of the mounting seat; The middle part of the connecting arm is provided with a bottom connecting hole for inserting a bottom rubber cylinder, a plurality of groups of connecting seats are arranged at the bottom of the mounting seat at equal intervals, and the connecting seats are provided with top connecting holes for inserting a top rubber cylinder; The top pin shaft at the upper end of the H-shaped frame penetrates through the top rubber cylinder to extend out, and the bottom pin shaft at the lower end of the H-shaped frame pene