CN204332604U - Difference position formula vibration damping cushion block - Google Patents

Abstract

The utility model discloses a kind of difference position formula vibration damping cushion block, it is a kind of rectangular panel blocks of rubber mass, is provided with alternate location hole along plate length center line.Described plate upper and lower surface branch apportion is provided with alternately, height not etc. and salient point not of uniform size, in each ranks, small salient point is alternately higher than bumps, and bumps is higher than large salient point.This kind of difference bitslice structure strengthens flexibility, gradually with the supporting vibration damping of the iron core adapting to same model different size.Amorphous transformer produces certain vibration because of iron-core magnetic induction in running, and the large portion of this vibration is absorbed by the soft poor position formula vibration damping cushion block padded beneath, and greatly weak its shakes level thus.Because the vibration of iron core reduces, supporting amorphous transformer noise also significantly reduces.The utility model is except supporting amorphous transformer, and also can be applied to other has in the electromechanical equipment of damping requirements.

Description

Difference position formula vibration damping cushion block

Technical field

The utility model relates to a kind of shock absorber part, and specifically, the utility model relates to a kind of vibration damping cushion block of rubber mass, particularly a kind of poor position formula vibration damping cushion block being provided with classification load-carrying members.

Background technology

Amorphous transformer is a kind of Novel energy-conserving type power supply switching equipment, and its running quality has multinomial performance assessment criteria, and these indexs are except electric property, and vibration index is also a very important performance assessment criteria.Because of magnetic induction effect when transformer runs, built-in iron core easily produces vibration, and goes out to disturb the noise of people with vibration association.Commodity amorphous transformer on market takes Measure of reducing vibration in the structure, and achieves corresponding technique effect.But the cushion blocking commercial rubber plate that prior art uses is made, and this kind of dull and stereotyped block only utilizes the intrinsic elasticity of quality of rubber materials to carry out vibration damping.Under cushion blocking elasticity and load-bearing match condition, effectiveness in vibration suppression can reach expection.If cushion blocking carrying is overweight or ultralight, its effectiveness in vibration suppression does not just reach designing requirement.In reality, amorphous transformer specification is a lot, and not etc., the cushion blocking made with single rubber slab can not meet the supporting requirement of plurality of specifications transformer for its supporting iron core and winding weight.

Utility model content

The utility model mainly for the deficiencies in the prior art, propose a kind of structure simple, make easily, the poor position formula vibration damping cushion block of wide accommodation, good damping result.The uneven salient point do not waited with size of uniform height on this vibration damping cushion block plate face, has similar effectiveness in vibration suppression to reach carrying Different Weight iron core.

The utility model is achieved through the following technical solutions technical goal.

Difference position formula vibration damping cushion block, it is a kind of rectangular panel blocks of rubber mass, and the center line along plate length is provided with alternate location hole.Its improvements are: described plate upper and lower surface branch apportion is provided with alternately, height not etc. and salient point not of uniform size, a line is by two alternate small salient point arrangements of large salient point, another adjacent row is then by equidistantly arranging bumps, one row are by two alternate bumps arrangements of large salient point, another adjacent row then have by two alternate bumps arrangements of small salient point, in each ranks, small salient point is alternately higher than bumps, and bumps is higher than large salient point.

As further improvement project, the thick 15 ~ 25mm of described cushion block.

As further improvement project, between described salient point, line space and column pitch are 9 ~ 16mm.

As further improvement project, described small salient point 1.5 ~ 2.5mm higher than bumps, bumps 0.8 ~ 1.5mm higher than large salient point.

As further improvement project, described salient point is cylindrical, and small salient point diameter is 3 ~ 6mm, and bumps diameter is 4 ~ 8mm, and large salient point diameter is 5 ~ 10mm.

The utility model compared with prior art, has following good effect:

1, at the salient point of the prefabricated poor position arrangement of rubber mass plate positive and negative, this kind structure is simple, making is easy;

2, at the salient point of the prefabricated poor position arrangement of rubber mass plate positive and negative, both maintained the original damping capacity of rubber sheet, the flexibility characteristics making full use of again uniform salient point strengthens damping capacity further, thus realizes the object of efficient vibration damping;

3, uniform on rubber mass plate salient point is not of uniform size, height not etc., this kind of difference position formula structure can meet classification vibration damping under different loads, makes vibration damping cushion block realize vibration-damping function under optimum.

Accompanying drawing explanation

Fig. 1 is the utility model structural representation.

Fig. 2 is Fig. 1 vertical view.

Embodiment

Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in further detail.

Poor position formula vibration damping cushion block shown in Fig. 1, it is a kind of rectangular panel blocks 1 of rubber mass, and the center line along plate 1 length is provided with alternate location hole 5.The utility model architecture advances is mainly reflected in that described plate 1 upper and lower surface branch apportion is provided with alternately, height not etc. and salient point not of uniform size.The present embodiment is used for the vibration damping of non-powered oil immersed type amorphous transformer, the heavy normal 100 ~ 1200kg of iron core of this serial transformer, because weight is not too large, supporting plate 1 thickness is decided to be 15 ~ 25mm, its emphasis does vibration-proof structure design, namely in plate 1 upper and lower surface poor designs position and the salient point differed in size in plate 1 upper and lower surface.Relevant bump structure design is as follows: the line space between salient point is equal with column pitch, be 10mm, the first row shown in Fig. 2 arranges by two alternate small salient points 4 of large salient point 2, and the second adjacent row then has by equidistantly arranging bumps 3, and other row then has by above-mentioned two row order arrangements.The first row of left side shown in Fig. 2 arranges by two alternate bumps 3 of large salient point 2, and another adjacent row then have and arrange by two alternate bumps 3 of small salient point 4, and other row then have and arrange in this order.In the present embodiment, each salient point is cylindrical, but diameter is not etc., and height is different, wherein small salient point 4 diameter is 5mm, and bumps 3 is 7.5mm, and large salient point 2 is 10mm, in order to realize staged vibration damping, small salient point 4 1.5mm higher than bumps 3, bumps 3 1.0mm higher than large salient point 2.This structure can accomplish that lighter iron core is carried by small salient point 4, and slightly heavy iron core does not carry because of small salient point 4, small salient point 4 become short after then have and assist carrying by bumps 3, heavier iron core is carried jointly by small salient point 4, bumps 3 and large salient point 2.

Actual when using, difference position formula vibration damping cushion block is arranged on the base plate of joined transformer shell, and it to coordinate with transformer with location hole 5 locates, and iron core is directly settled thereon.Transformer produces certain vibration because of iron-core magnetic induction, this vibration major part is absorbed by the soft poor position formula vibration damping cushion block padded beneath, greatly weak its shakes level thus, it shows as noise and greatly reduces, the present embodiment actual measurement level of noise is happy 56dB, makes vibration-proof structure reduce 14dB than existing technology rubber slab.The utility model can the transformer of other model supporting, and its structure is constant, and only press the salient point that iron core weight is equipped with corresponding size, its effectiveness in vibration suppression is similar.The utility model can also be applied to other to be had in the electromechanical equipment of vibration damping demand.

Claims (5)

1. differ from a position formula vibration damping cushion block, it is a kind of rectangular panel blocks (1) of rubber mass, and the center line along plate (1) length is provided with alternate location hole (5); It is characterized in that: described plate (1) upper and lower surface branch apportion is provided with alternately, height not etc. and salient point not of uniform size, a line is by a two alternate small salient point (4) arrangements of large salient point (2), another adjacent row is then by equidistantly arranging bumps (3), one row are by a two alternate bumps (3) arrangements of large salient point (2), another adjacent row then have by a two alternate bumps (3) arrangements of small salient point (4), in each ranks, small salient point (4) is alternately higher than bumps (3), and bumps (3) is higher than large salient point (2).

2. poor position according to claim 1 formula vibration damping cushion block, is characterized in that: described cushion block (1) thick 15 ~ 25mm.

3. poor position according to claim 1 formula vibration damping cushion block, is characterized in that: between described salient point, line space and column pitch are 9 ~ 16mm.

4. poor position according to claim 1 formula vibration damping cushion block, is characterized in that: described small salient point (4) 1.5 ~ 2.5mm higher than bumps (3), bumps (3) 0.8 ~ 1.5mm higher than large salient point (2).

5. poor position according to claim 1 formula vibration damping cushion block, it is characterized in that: described salient point is cylindrical, wherein small salient point (4) diameter is 3 ~ 6mm, and bumps (3) diameter is 4 ~ 8mm, and large salient point (2) diameter is 5 ~ 10mm.