CN213277700U

CN213277700U - Anti-seismic support structure of dry-type transformer

Info

Publication number: CN213277700U
Application number: CN202022044547.5U
Authority: CN
Inventors: 唐彪
Original assignee: Hunan Sanli Special Transformer Co ltd
Current assignee: Hunan Sanli Special Transformer Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-25
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses an anti-seismic supporting structure of a dry-type transformer, which comprises a supporting frame shell, wherein the supporting frame shell is sequentially provided with a diagonal rod, a supporting steel plate and a bearing plate from top to bottom, one end of the diagonal rod is fixedly welded with the supporting frame shell, the bottom end surface of the supporting steel plate is provided with a clamping groove, the diameter of the clamping groove is equal to that of a first spring, an elastic hemisphere below a mounting plate is symmetrically mounted with an elastic hemisphere above the supporting steel plate, peaks are mutually extruded, the elastic hemispheres can effectively absorb shock of the transformer, a third spring and a shock absorption column are also arranged between adjacent elastic hemispheres, partial pressure can be shared by the elastic hemispheres, the service life of the shock absorption structure is prolonged, and the third spring is conveniently replaced by a telescopic rod which plays a supporting role by utilizing the scalability of the telescopic rod, the service life of the telescopic rod is prolonged.

Description

Anti-seismic support structure of dry-type transformer

Technical Field

The utility model relates to a transformer antidetonation technical field specifically is a dry-type transformer's antidetonation bearing structure.

Background

The dry-type transformer can be seen everywhere in life, the transformer can not work normally in rural areas often due to windy weather, and most of reasons are that parts of the damping support structure of the transformer are aged or loosened, so that the damping effect cannot be achieved, and the transformer shakes violently in windy weather, so that the problem that the supporting structure needs to be damped in multiple directions is solved, and meanwhile, the supporting structure is convenient to replace if a fault occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antidetonation bearing structure of dry-type transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an anti-seismic support structure of a dry-type transformer comprises a support frame shell, wherein the support frame shell is fixedly provided with inclined rods and a mounting plate, one ends of the inclined rods are fixedly welded with the support frame shell, the four inclined rods are uniformly distributed on the periphery of the shell, the horizontal heights of the four inclined rods are equal, the other ends of the inclined rods penetrate through a rotating shaft, the upper surface of the mounting plate is provided with screw holes, the lower surface of the mounting plate is fixedly connected with an elastic hemisphere and the upper end of a damping column, the lower end of the damping column is fixed on the upper end surface of a support steel plate, a third spring is sleeved on the outer ring of the damping column, the rotating shaft is rotatably connected with a pulley, the bottom end surface of the support steel plate is provided with a clamping groove, the upper end surface of the support steel plate is fixedly connected with the elastic hemisphere, the diameter of the clamping groove is equal to that of a first, the first spring inner sleeve is provided with a telescopic rod, the upper end of the telescopic rod is tightly attached to the lower end face of the supporting steel plate, the lower end of the telescopic rod is sleeved in the hydraulic cylinder, the hydraulic cylinder is fixedly connected in a groove of the bearing plate through a bolt screw hole, and the hydraulic cylinder is fixedly connected on a symmetrical line of the bearing plate.

Preferably, the vertical projection of the elastic hemisphere of the mounting plate is overlapped with the elastic hemisphere on the support steel plate, and the third spring is tangent to the elastic hemisphere.

Preferably, the bearing plate all around fixedly connected with hinders the piece, the one side fixedly connected with second spring that hinders the piece inwards, pulley and spout sliding connection, and the radius of pulley is greater than the degree of depth of spout, and the pulley is hugged closely with the both sides wall of spout, and pulley and second spring fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: the symmetrical installation of the elastic hemisphere of mounting panel below and the elastic hemisphere of supporting steel plate top, and the peak extrudees each other, the elastic hemisphere can effectually carry out the shock attenuation to the transformer, still be provided with third spring and shock absorber post between the adjacent elastic hemisphere, can share partial pressure for the elastic hemisphere, increase shock-absorbing structure's life, utilize the scalability of telescopic link, buffer structure is changed for the telescopic link that plays the supporting role to the convenience, be the third spring promptly, increase the life of telescopic link.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is an enlarged view of the pulley chute assembly shown in FIG. 1 at A;

fig. 4 is an enlarged view of fig. 2 at B, i.e., an assembled plan view of the pulley chute.

In the figure: 1-a support frame shell, 2-a support steel plate, 3-a bearing plate, 4-a clamping groove, 5-a first spring, 6-a hydraulic cylinder, 7-a telescopic rod, 8-a diagonal rod, 9-a screw hole, 10-a stop block, 11-a mounting plate, 12-a second spring, 13-a sliding groove, 14-a rotating shaft, 15-a pulley, 16-an elastic hemispheroid, 17-a third spring and 18-a shock absorption column.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model comprises a support frame housing 1, the support frame housing 1 is fixedly provided with diagonal rods 8 and a mounting plate 11, one end of each diagonal rod 8 is fixedly welded with the support frame housing 1, the diagonal rods 8 are four in number and uniformly distributed around the housing 1, the horizontal heights of the four diagonal rods 8 are equal, the other end of each diagonal rod 8 is provided with a rotating shaft 14 in a penetrating manner, the upper surface of the mounting plate 11 is provided with a screw hole 9, the lower surface of the mounting plate is fixedly connected with an upper end of an elastic hemisphere 16 and an upper end of a shock absorption column 18, the vertical projection of the elastic hemisphere 16 of the mounting plate 11 is superposed with the elastic hemisphere 16 on a support steel plate 2, the third spring 17 is tangent to the elastic hemisphere 16, the lower end of the shock absorption column 18 is fixed on the upper end surface of the support steel plate 2, the outer ring of the shock, the bottom end face of the supporting steel plate 2 is provided with a clamping groove 4, the upper end face of the supporting steel plate 2 is fixedly connected with an elastic hemispheroid 16, the diameter of the clamping groove 4 is equal to that of the first spring 5, the first spring 5 is connected in the clamping groove 4, the lower end of the first spring 5 is tightly attached to the upper end face of the hydraulic cylinder 6, the first spring 5 is internally sleeved with a telescopic rod 7, the upper end of the telescopic rod 7 is tightly attached to the lower end face of the supporting steel plate 2, the lower end of the telescopic rod 7 is sleeved in the hydraulic cylinder 6, the hydraulic cylinder 6 is fixedly connected in a groove of the bearing plate 3 through a bolt screw hole, the hydraulic cylinder 6 is fixedly connected on a symmetrical line of the bearing plate 3, the periphery of the bearing plate 3 is fixedly connected with a blocking block 10, the inward surface of the blocking block 10 is fixedly connected with a second spring 12, the pulley 15 is slidably connected with the sliding groove 13, the pulley 15 is tightly attached to two side walls of the sliding chute 13, and the pulley 15 is fixedly connected with the second spring 12.

The working principle is as follows: firstly, a dry-type transformer is fixed on a mounting plate 11 through bolts and screw holes 9, an elastic hemisphere 16 below the mounting plate 11 and an elastic hemisphere 16 above a supporting steel plate 2 are symmetrically mounted, the highest points of the elastic hemispheres are mutually extruded, the elastic hemispheres 16 can effectively absorb shock of the transformer, a third spring 17 and a shock absorption column 18 are further arranged between the adjacent elastic hemispheres 16, the elastic hemispheres 16 can share partial pressure to prolong the service life of a shock absorption structure, then hydraulic cylinders 6 are fixedly connected on the bearing plate 3, the three hydraulic cylinders 6 are uniformly distributed, the hydraulic cylinders are responsible for propping against the supporting steel plate 2 on a symmetrical shaft of the bearing plate 3 and share pressure for a connecting structure between the supporting steel plate 2 and the bearing plate 3 to play a supporting role, a telescopic rod 7 is contracted, and a first spring 5 is clamped in a clamping groove 4 of the supporting steel plate 2, the hydraulic cylinder 6 is started to eject the telescopic rod 7, the telescopic rod 7 is telescopic, the first spring 5 can be quickly replaced when being damaged or failed, the first spring 5 can reduce the vibration in the vertical direction of the transformer, the internal structure of the transformer is protected, then the pulley 15 is slidably connected in the sliding groove 13, and the second spring 12 is connected with the block 10 and the pulley 15, so that the pulley 15 can be dragged and the second spring 12 can be triggered when the transformer inclines all around, the second spring 12 displaces, and the auxiliary supporting and damping effects are achieved.

Claims

1. The utility model provides an antidetonation bearing structure of dry-type transformer, includes support frame shell (1), its characterized in that: the support frame is characterized in that an inclined rod (8) and a mounting plate (11) are fixedly arranged on a support frame shell (1), one end of the inclined rod (8) is fixedly welded with the support frame shell (1), the inclined rods (8) are four in number and are uniformly distributed around the shell (1), the horizontal heights of the four inclined rods (8) are equal, a rotating shaft (14) penetrates through the other end of each inclined rod (8), a screw hole (9) is formed in the upper surface of the mounting plate (11), the lower surface of each inclined rod is fixedly connected with the upper ends of an elastic hemispheroid (16) and a damping column (18), the lower end of each damping column (18) is fixed on the upper end face of a support steel plate (2), a third spring (17) is sleeved on the outer ring of each damping column (18), the rotating shaft (14) is rotatably connected with a pulley (15), a clamping groove (4) is formed in the bottom end face of the support steel plate (2), the, the diameter of draw-in groove (4) equals with the diameter of first spring (5), first spring (5) link up in draw-in groove (4), and the lower extreme of first spring (5) is hugged closely with the up end of pneumatic cylinder (6), and first spring (5) endotheca has telescopic link (7), the lower terminal surface of supporting steel sheet (2) is hugged closely to the upper end of telescopic link (7), and the lower extreme of telescopic link (7) cup joints in pneumatic cylinder (6), pneumatic cylinder (6) are through bolt screw fixed connection in the recess of bearing plate (3), and pneumatic cylinder (6) fixed connection is on a symmetrical line of bearing plate (3).

2. An earthquake-resistant support structure of a dry-type transformer as recited in claim 1, wherein: the vertical projection of the elastic hemispheroid (16) of the mounting plate (11) is superposed with the elastic hemispheroid (16) on the supporting steel plate (2), and the third spring (17) is tangent to the elastic hemispheroid (16).

3. An earthquake-resistant support structure of a dry-type transformer as recited in claim 1, wherein: fixedly connected with hinders piece (10) all around of bearing plate (3), hinder one side fixedly connected with second spring (12) that piece (10) inwards, pulley (15) and spout (13) sliding connection, and the radius of pulley (15) is greater than the degree of depth of spout (13), and pulley (15) hug closely with the both sides wall of spout (13), and pulley (15) and second spring (12) fixed connection.