CN209328662U - Vibration isolation structure of dry type transformer - Google Patents

Abstract

The utility model relates to a dry-type transformer vibration isolation structure, which includes a transformer body, a damping vibration isolator, a mass block and a combined vibration isolation beam. There are two vibration beams, and the two combined vibration isolation beams are arranged side by side at intervals. The combined vibration isolation beam includes the top cover of the vibration isolation beam, the base of the vibration isolation beam and the spring vibration damper arranged between the top cover of the vibration isolation beam and the base of the vibration isolation beam , Damping and vibration-absorbing parts, the transformer body is installed on two combined vibration-isolation beams. A damping vibration isolator is used under the mass block, and a special combined vibration isolation beam is used above the mass block. The combination of the damping vibration isolator, the mass block and the combined vibration isolation beam forms a dry-type transformer vibration isolation structure with better vibration isolation effect.

Description

Dry-type transformer vibration isolation structure

technical field

The utility model belongs to the field of vibration isolation devices, in particular to a vibration isolation structure for reducing the noise of a dry-type transformer.

Background technique

Dry-type transformer is a new type of transformer that is safe, energy-saving and environmentally friendly. It is mainly used in high-rise residential quarters, office buildings, hospitals, hotels and other places. Most of the transformers are directly installed on the ground foundation of the power distribution room. The vibration generated by the transformer will be transmitted to the surroundings, affecting the daily life of nearby residents, especially at night. The Chinese utility model patent with the announcement number CN202326897U and the announcement date of 2012.07.11 discloses a transformer vibration isolation and noise reduction base, including a counterweight base, several first shock absorbers and several second shock absorbers. The counterweight foundation pedestal is arranged between the transformer base and the ground, the transformer base is fixed at the center of the counterweight foundation pedestal through the first shock absorber, and the counterweight foundation pedestal is fixedly connected to the ground through the second shock absorber. The vibration isolation structure disclosed in this patent can achieve a certain vibration isolation effect, but the vibration reduction effect of the first shock absorber on the dry-type transformer is not ideal, and a new vibration isolation structure with better vibration reduction effect needs to be designed.

Utility model content

The purpose of the utility model is to provide a dry-type transformer vibration isolation structure with better vibration isolation effect.

In order to achieve the above-mentioned purpose, the dry-type transformer vibration isolation structure of the utility model adopts the following technical scheme: the dry-type transformer vibration isolation structure includes the transformer body, and also includes a damping vibration isolator, a mass block and a combined vibration isolation beam, and the damping vibration isolator There are several, and the mass block is arranged horizontally on each damping vibration isolator. There are two combined vibration isolating beams, and the two combined vibration isolating beams are arranged side by side at intervals. The combined vibration isolating beam includes a vibration isolating beam top cover, a vibration isolating beam base and a setting The spring damper, damper and damper between the top cover of the vibration-isolation beam and the base of the vibration-isolation beam, and the transformer body are installed on the two combined vibration-isolation beams.

Beneficial effects: a damping vibration isolator is used under the mass block, and a special combined vibration isolation beam is used above the mass block, and the combination of the damping vibration isolator, the mass block and the combined vibration isolation beam has a good vibration isolation effect. Compared with the prior art, a dry-type transformer vibration isolation structure with better vibration isolation effect is provided.

Further, the vibration isolation structure of the dry-type transformer also includes a fixed tie rod arranged between the two combined vibration isolation beams, and the two ends of the fixed tie rod are respectively connected to the top covers of the vibration isolation beams of the two combined vibration isolation beams. The fixed tie rod is used to fix the position of the combined vibration isolation beam.

Further, the mass block is a steel-concrete combination block.

Further, there are four damping vibration isolators, the mass block is a rectangular block, and the four damping vibration isolators are respectively arranged close to four right-angled positions of the mass block.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the accompanying drawings that need to be used in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only embodiments of the utility model. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort;

Fig. 1 is the front view of the specific embodiment of dry-type transformer vibration isolation structure;

Fig. 2 is a left side view of Fig. 1 .

In the figure: 100-transformer body, 200-damping vibration isolator, 300-mass block, 400-combined vibration isolation beam, 410-vibration isolation beam top cover, 420-vibration isolation beam base, 500-fixed tie rod.

Detailed ways

In order to make the technical purpose, technical solution and beneficial effect of the utility model clearer, the technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 2, the dry-type transformer vibration isolation structure includes a transformer body 100, a damping vibration isolator 200, a mass block 300, and a combined vibration isolation beam 400. The transformer body 100 is an existing dry-type transformer, and the damping vibration isolation There are four devices 200, the mass block 300 is a rectangular block of steel-concrete composite structure, the four damping vibration isolators 200 are arranged at rectangular intervals, and the mass block 300 is installed on each damping vibration isolator 200.

The combined vibration isolating beam 400 is a special part, and there are two pieces in total. The two combined vibration isolating beams 400 are arranged side by side on the mass block 300 at intervals. The combined vibration isolating beam 400 includes a vibration isolating beam top cover 410, a vibration isolating beam base 420, The spring damper, damper and damper between the top cover of the vibration beam and the base of the vibration isolation beam, and the transformer body 100 are installed on the two combined vibration isolation beams 400 . The vibration-isolation beam top cover 410 is connected to the transformer body 100, and the vibration-isolation beam base 420 is connected to the mass block 300. The vibration generated by the transformer body 100 during operation is absorbed by the spring vibration damper and the damper vibration damper.

A fixed tie rod 500 is arranged between the two combined vibration isolation beams 400, and the two ends of the fixed tie rod 500 are respectively connected to the top covers 410 of the two vibration isolation beams. The positions of the two combined vibration isolation beams 400 are more reliable.

The vibration isolation effect of the damping vibration isolator 200 and the special combined vibration isolation beam 400 is good, and the vibration generated during the operation of the transformer body 100 is well absorbed by the vibration isolation structure; compared with the prior art, it provides a vibration isolation Better dry-type transformer vibration isolation structure.

In other embodiments, when the position of the combined vibration isolation beam on the mass block is fixed sufficiently reliably, the fixing tie rods may also be omitted. At the same time, the number, arrangement, and natural frequency of damping vibration isolators/combined vibration isolation beams can be adjusted according to actual needs.

Finally, it should be noted that: the above-mentioned embodiments are only used to illustrate and not limit the technical solutions of the present utility model, any equivalent replacement of the present utility model and any modification or partial replacement that does not depart from the spirit and scope of the present utility model shall be Covered within the protection scope of the claims of the present utility model.

Claims (4)

1. The dry-type transformer vibration isolation structure, including the transformer body, is characterized in that it also includes damping vibration isolators, mass blocks and combined vibration isolation beams. There are multiple damping vibration isolators, and the mass blocks are horizontally arranged on each damping vibration isolator. Above, there are two combined vibration isolation beams, and the two combined vibration isolation beams are arranged side by side at intervals. The combined vibration isolation beam includes the top cover of the vibration isolation beam, the base of the vibration isolation beam, and the The spring damping part, the damping damping part, and the transformer body are installed on the two combined vibration isolation beams. 2. The dry-type transformer vibration isolation structure according to claim 1, characterized in that: the dry-type transformer vibration isolation structure also includes a fixed tie rod arranged between the two combined vibration isolation beams, and the two ends of the fixed tie rod are respectively connected to the two On the top cover of the vibration isolation beam of the combined vibration isolation beam. 3. The dry-type transformer vibration isolation structure according to claim 1, characterized in that: the mass block is a steel-concrete combination block. 4. The dry-type transformer vibration isolation structure according to any one of claims 1-3, characterized in that there are four damping vibration isolators, the mass block is a rectangular block, and the four damping vibration isolators The detectors are respectively set at four right-angle positions close to the proof mass.