CN214743029U

CN214743029U - Combined multi-section type damping device for electrical equipment

Info

Publication number: CN214743029U
Application number: CN202121274184.2U
Authority: CN
Inventors: 周荣; 张成彪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-16
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses a combination multistage formula electrical equipment damping device, including the oil tank, install the lower extreme insulator at oil tank top and set up the upper end insulator in lower extreme insulator top, fixed mounting has the damping device body between lower extreme insulator and the upper end insulator, the damping device body includes that fixed plate and top are the fixed box that the opening set up, the top of fixed plate and the bottom fixed connection of upper end insulator, the bottom of fixed box and the top fixed connection of lower extreme insulator. The utility model relates to a rationally, be convenient for cushion the shock attenuation in key junction, can attenuate the shear stress that the department of buckling received, the displacement reaction through partial sacrificial equipment reduces the stress reaction of structural key part, twists reverse the transmission that the restraint can cut off the moment of flexure through the release, improves the stress situation that the equipment root received, reduces the damage risk, and is convenient for improve application scope according to the equipment adjustment shock attenuation dynamics of different masses, is favorable to the use.

Description

Combined multi-section type damping device for electrical equipment

Technical Field

The utility model relates to an electrical equipment shock attenuation technical field especially relates to a combination multistage formula electrical equipment damping device.

Background

Earthquake disasters have burst and destructive properties and seriously threaten the life and property safety of human beings, knob insulator type electrical equipment is widely applied to an electric power system, along with the development of the electric power industry, the grade of power transmission and transformation equipment is higher and higher, high-voltage electrical equipment, particularly ultrahigh-voltage direct-current power transmission and transformation equipment, is more and more flexible, the top quality is higher and higher, the requirement on the anti-seismic performance is higher, the knob insulator type electrical equipment is very serious in the earthquake damage in the past strong earthquake at home and abroad, and the fact that the knob insulator type electrical equipment normally works under the earthquake action is guaranteed to be crucial to guarantee the safe operation of the electric power system.

To this end, in the prior art, application No. 201721528827.5 discloses a combined multi-section type damping device for electrical equipment, which includes an oil tank, an upper end insulator, a lower end insulator and a damping device, wherein the lower end insulator is mounted on the oil tank, a flange bottom plate is disposed at the bottom end of the upper end insulator, a support top plate is disposed at the top end of the lower end insulator, the flange bottom plate is connected with the support top plate through the damping device, the damping device includes a universal hinge support, a universal hinge joint and a damper, the universal hinge support is mounted on the flange bottom plate, the universal hinge joint is mounted on the support top plate, the universal hinge joint is mounted in cooperation with the universal hinge support, and the damper passes through the flange bottom plate and the support top plate and then fastens the flange bottom plate and the support top plate together through bolts; the damping device has the advantages of strong energy consumption capability, stable damping effect and low cost.

The above patent still has some defects, although the damping device can buffer and damp when the device is transversely swung by earthquake shearing force, the hard shock impact energy is attenuated by elastic potential energy; but the shock attenuation mode that its adopted has the shortcoming of the adjustment shock attenuation dynamics of not being convenient for can not use the equipment shock attenuation of a specification quality according to the quality of connecting to the shock attenuation dynamics adjustment, and application scope is more restricted, can not satisfy the user demand, to this phenomenon, therefore we have proposed a combination multistage formula electrical equipment damping device for solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a combined multi-section type damping device for electrical equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combined multi-section type damping device for electrical equipment comprises an oil tank, a lower end insulator arranged at the top of the oil tank and an upper end insulator arranged above the lower end insulator, wherein a damping device body is fixedly arranged between the lower end insulator and the upper end insulator, the damping device body comprises a fixed plate and a fixed box, the top of the fixed plate is provided with an opening, the top of the fixed plate is fixedly connected with the bottom of the upper end insulator, the bottom of the fixed box is fixedly connected with the top of the lower end insulator, a buffering damping mechanism is arranged between the fixed box and the fixed plate, and a damping force adjusting mechanism matched with the buffering damping mechanism is arranged on the fixed box;

the buffering and damping mechanism comprises a cover plate fixed at the top of the fixed box, an elastic telescopic rubber sleeve is fixedly connected between the top of the cover plate and the bottom of the fixed plate, a rectangular seat is fixedly connected at the bottom of the fixed plate, the bottom of the rectangular seat is nested with a universal ball, the bottom of the universal ball is fixedly arranged with the top of the cover plate, the top of the cover plate is in annular equidistant fixed connection with a plurality of rectangular tubes, the top ends of the rectangular tubes are arranged into a blocking structure, the rectangular seats are arranged among the rectangular tubes, rectangular blocks are sleeved in the rectangular tubes in a sliding manner, vertical tubes with the top ends being in the blocking structure are fixedly embedded in the top portions of the rectangular blocks, the top ends of the vertical tubes extend to the upper portions of the corresponding rectangular tubes and are nested with balls, the balls are in rolling contact with the bottoms of the fixed plates, rectangular pressure regulating seats are sleeved in the rectangular tubes in a sliding manner, and a plurality of buffer springs are fixedly connected between the top of the rectangular pressure regulating seat and the bottom of the corresponding rectangular block.

Preferably, shock attenuation dynamics guiding mechanism is including being the equidistant a plurality of screw rods of installing in apron bottom of rotating of annular, the top of screw rod extends to in the rectangle pipe that corresponds, rectangle pressure regulating seat thread bush is established on the screw rod that corresponds, the screw rod is located the below of the standpipe that corresponds and cooperatees with the standpipe, the bottom fixedly connected with of screw rod is located the sprocket in the fixed box, the same chain of transmission connection on a plurality of sprockets, be located the bottom fixedly connected with pivot of leftmost sprocket in a plurality of sprockets, the bottom of pivot extends to the below and the fixedly connected with knob of fixed box, the equal fixedly connected with in four sides of knob is the handle bar.

Preferably, a first round hole is formed in the inner wall of the top end of each rectangular pipe, the inner wall of each first round hole is connected with the outer side of the corresponding vertical pipe in a sliding mode, and the rectangular pipes are located in the elastic telescopic rubber sleeves.

Preferably, an elastic rubber block is fixedly bonded on the inner wall of the top of the rectangular tube, and the bottom of the elastic rubber block is in movable contact with the top of the corresponding rectangular block.

Preferably, the bottom of the rectangular seat is provided with a spherical embedded groove, the inner wall of the spherical embedded groove is connected with the outer side of the universal ball in a sliding manner, the bottom of the universal ball is fixedly connected with a truncated cone-shaped support, and the bottom of the truncated cone-shaped support is fixedly connected with the top of the cover plate.

Preferably, the top of the rectangular pressure regulating seat is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw.

Preferably, the bottom of the cover plate is provided with a plurality of second round holes at equal intervals in an annular shape, a bearing is fixedly sleeved in each second round hole, and an inner ring of each bearing is welded and sleeved with the outer side of the corresponding screw rod.

Preferably, the top of the rectangular block is provided with a third round hole, and the inner wall of the third round hole is welded and sleeved with the outer side of the corresponding vertical pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

by matching the oil tank, the lower end insulator, the upper end insulator, the fixed plate, the fixed box, the cover plate, the rectangular seat, the universal ball, the rectangular pipe, the rectangular block, the vertical pipe, the ball bearings, the buffer springs, the rectangular pressure regulating seat, the screw rod, the chain wheel, the chain and the knob with the elastic telescopic rubber sleeve, when the upper end insulator swings, if the upper end insulator swings rightwards, the fixed plate is driven to rotate obliquely rightwards and stretch or compress the elastic telescopic rubber sleeve, the fixed plate drives the rectangular seat to slide on the universal ball, the fixed plate extrudes the right side in a rolling and downward manner, under the extrusion force, the ball bearings on the right side move downwards and drive the rectangular block on the right side to compress downwards a plurality of buffer springs on the right side through the vertical pipe on the right side, and similarly, when the upper end insulator swings leftwards, forwards or backwards, the plurality of buffer springs on the left side, the front side or the rear side are compressed downwards, under the elasticity of the buffer springs, the shear stress on the bent part can be attenuated, the transmission of bending moment is cut off, and the stress condition on the root of the equipment is improved;

forward pulling handle bar drives the knob and rotates, and the knob drives leftmost sprocket and rotates, and leftmost sprocket passes through the chain and drives other a plurality of sprocket synchronous rotations, and the sprocket drives the screw rod that corresponds and rotates, and the screw rod rotation can drive the rectangle pressure regulating seat that corresponds and upwards slide in the rectangular pipe to a plurality of buffer spring compression, can change buffer spring's initial compression state, reach and change the shock attenuation dynamics, realize the purpose of adjustment shock attenuation dynamics.

The utility model relates to a rationally, be convenient for cushion the shock attenuation in key junction, can attenuate the shear stress that the department of buckling received, the displacement reaction through partial sacrificial equipment reduces the stress reaction of structural key part, twists reverse the transmission that the restraint can cut off the moment of flexure through the release, improves the stress situation that the equipment root received, reduces the damage risk, and is convenient for improve application scope according to the equipment adjustment shock attenuation dynamics of different masses, is favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a combined multi-section type damping device for electrical equipment according to the present invention;

FIG. 2 is an enlarged cross-sectional view of part A of FIG. 1;

fig. 3 is an enlarged schematic view of part B in fig. 2.

In the figure: 100 oil tanks, 101 lower end insulators, 102 upper end insulators, 1 fixing plate, 2 fixing boxes, 3 cover plates, 4 rectangular seats, 5 universal balls, 6 rectangular pipes, 7 rectangular blocks, 8 vertical pipes, 9 rolling balls, 10 buffer springs, 11 rectangular pressure regulating seats, 12 screw rods, 13 chain wheels, 14 chains, 15 knobs and 16 elastic telescopic rubber sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a combined multi-section type damping device for electrical equipment comprises an oil tank 100, a lower end insulator 101 mounted on the top of the oil tank 100 and an upper end insulator 102 arranged above the lower end insulator 101, wherein a damping device body is fixedly mounted between the lower end insulator 101 and the upper end insulator 102, the damping device body comprises a fixing plate 1 and a fixing box 2 with an opening at the top, the top of the fixing plate 1 is fixedly connected with the bottom of the upper end insulator 102, the bottom of the fixing box 2 is fixedly connected with the top of the lower end insulator 101, a buffering damping mechanism is arranged between the fixing box 2 and the fixing plate 1, and a damping force adjusting mechanism matched with the buffering damping mechanism is arranged on the fixing box 2;

buffering damper is including fixing apron 3 at 2 tops of fixed box, fixed connection has flexible gum cover 16 between the top of apron 3 and the bottom of fixed plate 1, the bottom fixedly connected with rectangle seat 4 of fixed plate 1, and the bottom nestification of rectangle seat 4 has universal ball 5, the bottom of universal ball 5 and the top fixed mounting of apron 3, the top of apron 3 is a plurality of rectangular pipes 6 of annular equidistant fixedly connected with, establish to block structure on the top of rectangular pipe 6, rectangle seat 4 is located between a plurality of rectangular pipes 6, sliding sleeve is equipped with rectangular block 7 in the rectangular pipe 6, the fixed standpipe 8 that is equipped with the top for block structure that inlays in top of rectangular block 7, the top of standpipe 8 extends to the top of corresponding rectangular pipe 6 and nests there is ball 9, ball 9 and the bottom rolling contact of fixed plate 1, sliding sleeve is equipped with rectangle pressure regulating seat 11 in the rectangular pipe 6, and a plurality of buffer springs of fixedly connected with between the top of rectangle pressure regulating seat 11 and the bottom of the rectangular block 7 that corresponds 10;

the damping force adjusting mechanism comprises a plurality of screw rods 12 which are installed at the bottom of a cover plate 3 in an annular equidistant rotating manner, the top ends of the screw rods 12 extend into corresponding rectangular pipes 6, a rectangular pressure regulating seat 11 is sleeved on the corresponding screw rods 12 in a threaded manner, the screw rods 12 are positioned below corresponding vertical pipes 8 and matched with the vertical pipes 8, the bottom ends of the screw rods 12 are fixedly connected with chain wheels 13 positioned in a fixed box 2, a same chain 14 is connected onto the chain wheels 13 in a transmission manner, the bottom of the chain wheel 13 positioned at the leftmost side of the chain wheels 13 is fixedly connected with a rotating shaft, the bottom end of the rotating shaft extends to the lower side of the fixed box 2 and is fixedly connected with a knob 15, and handle rods are fixedly connected onto four sides of the knob 15. Can cut off the transmission of moment of flexure through releasing the torsional restraint, improve the stress situation that the equipment root received, reduce the damage risk, and be convenient for adjust the shock attenuation dynamics according to the equipment of different masses, improve application scope, be favorable to the use.

In the utility model, a first round hole is arranged on the inner wall of the top end of a rectangular tube 6, the inner wall of the first round hole is connected with the outer side of a corresponding vertical tube 8 in a sliding way, a plurality of rectangular tubes 6 are all positioned in an elastic telescopic rubber sleeve 16, an elastic rubber block is fixedly bonded on the inner wall of the top part of each rectangular tube 6, the bottom part of the elastic rubber block is movably contacted with the top part of a corresponding rectangular block 7, a spherical embedded groove is arranged at the bottom part of a rectangular seat 4, the inner wall of the spherical embedded groove is connected with the outer side of a universal ball 5 in a sliding way, a truncated cone-shaped support is fixedly connected at the bottom part of the universal ball 5, the bottom part of the truncated cone-shaped support is fixedly connected with the top part of a cover plate 3, a threaded hole is arranged at the top part of a rectangular pressure regulating seat 11, the threaded hole is connected with a corresponding screw rod 12 in a threaded way, a plurality of second round holes are arranged at equal intervals in an annular shape at the bottom part of the cover plate 3, a bearing is fixed in the second round hole, the inner ring of the bearing is welded and sleeved with the outer side of a corresponding screw rod 12, the third round hole has been seted up at the top of rectangular block 7, and the outer side welding suit of the inner wall of third round hole and the standpipe 8 that corresponds, the utility model relates to a rationally, be convenient for cushion the shock attenuation in key junction, can attenuate the shear stress that the department of buckling received, the displacement reaction through partial sacrificial facilities reduces the stress reaction of structural key part, twists reverse the transmission that the restraint can cut off the moment of flexure through the release, improve the stress situation that the equipment root received, reduce the damage risk, and be convenient for according to the equipment adjustment shock attenuation dynamics of different masses, improve application scope, be favorable to using.

The working principle is as follows: when the vibration damping device is used, when the lower end insulator 101 or the upper end insulator 102 swings under the action of a vibration force, no matter which of the two insulators vibrates, the upper end insulator 101 is in a swinging state relative to the lower end insulator 101, if the upper end insulator 101 during swinging swings rightwards, the fixing plate 1 can be driven to rotate rightwards in an inclined mode, the fixing plate 1 stretches or compresses the elastic telescopic rubber sleeve 16, meanwhile, the fixing plate 1 drives the rectangular seat 4 to slide on the universal ball 5, at the moment, the fixing plate 1 downwards extrudes the rolling ball 9 on the right side, under the extrusion force, the ball 9 on the right side downwards moves and drives the vertical pipe 8 on the right side to downwards move, the vertical pipe 8 on the right side drives the rectangular block 7 on the right side to downwards slide in the rectangular pipe 6 on the right side, the rectangular block 7 on the right side downwards compresses the plurality of buffer springs 10 on the right side downwards, and similarly, when the insulators swing leftwards, forwards or backwards, the left side, The front or rear buffer springs 10 are compressed downwards, so that under the elastic force of the buffer springs 10, the shock impact force can be relieved, the shear stress on the bent part is attenuated, the stress reaction of the key part of the structure is reduced through the displacement reaction of part of sacrificial equipment, the transmission of bending moment can be cut off through releasing torsional constraint, the stress condition on the root of the equipment is improved, and the damage risk is reduced;

when different shock absorption dynamics of needs because of the equipment weight is different, forward pulling handle pole drives knob 15 and rotates, knob 15 drives leftmost sprocket 13 and rotates, leftmost sprocket 13 drives other a plurality of sprocket 13 synchronous rotations through chain 14, sprocket 13 drives corresponding screw rod 12 and rotates, under the effect of the screw hole of seting up on rectangle pressure regulating seat 11, screw rod 12 rotates and to drive corresponding rectangle pressure regulating seat 11 upwards to slide in rectangular pipe 6, rectangle pressure regulating seat 11 upwards compresses a plurality of buffer spring 10 that correspond, make buffer spring 10 be in different compression state before not buffering, reach the initial compression state that can change buffer spring 10, thereby change its damping force to rectangular block 7, reach and change shock absorption dynamics, realize the purpose of adjusting shock absorption dynamics, improve application scope.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A combined multi-section type damping device for electrical equipment comprises an oil tank (100), a lower end insulator (101) mounted at the top of the oil tank (100) and an upper end insulator (102) arranged above the lower end insulator (101), wherein a damping device body is fixedly mounted between the lower end insulator (101) and the upper end insulator (102), the combined multi-section type damping device is characterized in that the damping device body comprises a fixing plate (1) and a fixing box (2) with the top being provided with an opening, the top of the fixing plate (1) is fixedly connected with the bottom of the upper end insulator (102), the bottom of the fixing box (2) is fixedly connected with the top of the lower end insulator (101), a buffering damping mechanism is arranged between the fixing box (2) and the fixing plate (1), and a damping force adjusting mechanism matched with the buffering damping mechanism is arranged on the fixing box (2);

the damping mechanism comprises a cover plate (3) fixed at the top of a fixed box (2), an elastic telescopic rubber sleeve (16) is fixedly connected between the top of the cover plate (3) and the bottom of a fixed plate (1), a rectangular base (4) is fixedly connected at the bottom of the fixed plate (1), a universal ball (5) is nested at the bottom of the rectangular base (4), the bottom of the universal ball (5) and the top of the cover plate (3) are fixedly installed, a plurality of rectangular tubes (6) are fixedly connected at equal intervals at the top of the cover plate (3), the top ends of the rectangular tubes (6) are of a blocking structure, the rectangular base (4) is located among the rectangular tubes (6), a rectangular block (7) is sleeved in the rectangular tubes (6), a vertical tube (8) with the top end of the blocking structure is fixedly embedded at the top of the rectangular block (7), the top end of the vertical tube (8) extends to the upper side of the corresponding rectangular tube (6) and is nested with a ball (9), the ball (9) is in rolling contact with the bottom of the fixing plate (1), the rectangular pipe (6) is internally provided with a rectangular pressure regulating seat (11) in a sliding sleeved mode, and a plurality of buffer springs (10) are fixedly connected between the top of the rectangular pressure regulating seat (11) and the bottom of the corresponding rectangular block (7).

2. The combined multi-section type electric equipment damping device according to claim 1, wherein the damping force adjusting mechanism comprises a plurality of screw rods (12) rotatably mounted at the bottom of the cover plate (3) at equal intervals in a ring shape, the top ends of the screw rods (12) extend into the corresponding rectangular pipes (6), the rectangular pressure regulating seats (11) are threadedly sleeved on the corresponding screw rods (12), the screw rods (12) are located below the corresponding vertical pipes (8) and are matched with the vertical pipes (8), the bottom ends of the screw rods (12) are fixedly connected with chain wheels (13) located in the fixed box (2), the chain wheels (13) are movably connected with a same chain (14), the bottom of the chain wheel (13) located at the leftmost side among the chain wheels (13) is fixedly connected with a rotating shaft, the bottom ends of the rotating shaft extend to the lower side of the fixed box (2) and are fixedly connected with a knob (15), the four sides of the knob (15) are fixedly connected with handle rods.

3. The combined multi-section type damping device for electrical equipment according to claim 1, wherein the rectangular tubes (6) have first circular holes formed on the inner walls of the top ends thereof, the inner walls of the first circular holes are slidably connected to the outer sides of the corresponding vertical tubes (8), and the plurality of rectangular tubes (6) are located in the elastic telescopic rubber sleeve (16).

4. The combined multi-section type damping device for electrical equipment of claim 1, wherein the top inner wall of the rectangular tube (6) is fixedly bonded with an elastic rubber block, and the bottom of the elastic rubber block is in movable contact with the top of the corresponding rectangular block (7).

5. A combined multi-section type damping device for electrical equipment according to claim 1, wherein the bottom of the rectangular base (4) is provided with a spherical embedding groove, the inner wall of the spherical embedding groove is slidably connected with the outer side of the universal ball (5), the bottom of the universal ball (5) is fixedly connected with a truncated cone-shaped support, and the bottom of the truncated cone-shaped support is fixedly connected with the top of the cover plate (3).

6. The combined multi-section type damping device for electrical equipment of claim 2, wherein the top of the rectangular pressure-regulating seat (11) is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw (12).

7. A combined multi-section type electric equipment damping device according to claim 2, wherein the bottom of the cover plate (3) is provided with a plurality of circular holes at equal intervals, and the second circular holes are fixedly sleeved with bearings, and the inner rings of the bearings are welded and sleeved with the outer sides of the corresponding screws (12).

8. The combined multi-section type damping device for electrical equipment of claim 1, wherein a third circular hole is formed at the top of the rectangular block (7), and the inner wall of the third circular hole is welded and sleeved with the outer side of the corresponding vertical pipe (8).