CN111810587A - Transformer vibration reduction base and vibration reduction method thereof - Google Patents

Abstract

The invention discloses a transformer vibration damping base and a vibration damping method thereof, wherein the transformer vibration damping base comprises an upper fixing support, a lower fixing support, a plurality of auxiliary spring limiting sleeves symmetrically installed at two ends of the upper fixing support, a plurality of main spring limiting sleeves arranged on the lower fixing support, and a vertical vibration damping system, an upper limiting system, a lower limiting system, a left vibration damping system, a right vibration damping system, a front vibration damping system and a rear vibration damping system which are arranged on the upper fixing support; when last fixed bolster atress takes place the displacement, it can lead to main damping spring and vice damping spring to take place deformation to go up the fixed bolster this moment, and then reach absorbing effect, simultaneously through the spring stopper and the main spring stop collar that set up and then can keep apart main damping spring and vice damping spring's bottom, and keep apart main damping spring and vice damping spring's top through the vice spring stop collar that sets up, make two complementary noninterferences of spring during operation, and then guaranteed the smooth operation of device, the life of the device is prolonged.

Description

Transformer vibration reduction base and vibration reduction method thereof

Technical Field

The invention relates to a vibration reduction base, in particular to a transformer vibration reduction base, and relates to the technical field of distribution transformers.

Background

Due to the shortage of land resources in cities and the damage to landscapes caused by open-air placement of public facilities in municipal planning centers, a power supply facility part matched with a house is placed near a resident high-rise building.

The distribution room is usually set up at the bottom floor of the residential building, and the main equipment distribution transformer generates transformer low-frequency noise with 100hz as fundamental frequency when working, and the penetration force is very strong. With the rigidly connected building frame, while the noise in the distribution room is only 64-67dB, a hum is clearly felt, affecting the everyday life of the attached residents. In order to reduce the influence of noise generated when the distribution transformer works on residents, the distribution transformer is built in a region far away from the residents, but long-distance power transportation work can cause large energy damage and further cause waste of power.

Therefore, how to reduce the vibration of the distribution transformer during operation is a problem to be solved at present.

Disclosure of Invention

The purpose of the invention is as follows: the utility model provides a transformer damping base to solve the above-mentioned problem that prior art exists.

The technical scheme is as follows: a transformer damping mount comprising:

the transformer damping base is composed of an upper fixing support and a lower fixing support, a plurality of auxiliary spring limiting sleeves are symmetrically arranged at two ends of the upper fixing support, a plurality of main spring limiting sleeves are arranged on the lower fixing support, and a vertical damping system, an upper limiting system, a lower limiting system, a left damping system, a right damping system, a front damping system and a rear damping system are arranged on the upper fixing support.

In a further embodiment, the vertical vibration damping system comprises nylon buffer blocks which are arranged on the upper fixing support, are positioned in the auxiliary spring limiting sleeves and have the same number with the auxiliary springs, auxiliary vibration damping springs which are arranged on the nylon buffer blocks, main vibration damping springs which are sleeved on the auxiliary spring limiting sleeves, spring limiting blocks which are arranged at the other ends of the main vibration damping springs and the auxiliary vibration damping springs, and buffer gaskets which are connected with the spring limiting blocks, wherein the spring limiting blocks are positioned in the main spring limiting sleeves, grooves which are respectively matched with the auxiliary vibration damping springs are also arranged on the spring limiting blocks, and the buffer gaskets are positioned in the main spring limiting sleeves and are connected with the lower fixing support; when the upper fixing support is stressed to generate displacement, the upper fixing support can lead the main damping spring and the auxiliary damping spring to deform so as to achieve the damping effect, can offset the extrusion force in the vertical direction and further achieve the damping work in the vertical direction, meanwhile, the bottoms of the main damping spring and the auxiliary damping spring can be isolated through the arranged spring limiting block and the main spring limiting sleeve, the tops of the main damping spring and the auxiliary damping spring are isolated through the arranged auxiliary spring limiting sleeve, the bottoms of the main damping spring and the auxiliary damping spring can be isolated through the arranged spring limiting block and the main spring limiting sleeve, and the tops of the main damping spring and the auxiliary damping spring are isolated through the arranged auxiliary spring limiting sleeve, so that the two springs are complementary and do not interfere when in work, namely, the inner spring and the outer spring are not clamped together, thereby ensuring the smooth operation of the damping work of the device.

In a further embodiment, the upper and lower limiting systems comprise a group of upper limiting buckles symmetrically installed on the upper fixing support and a group of lower limiting buckles symmetrically installed on the lower fixing support, the upper limiting buckles and the lower limiting buckles are clamped and matched, and the upper limiting buckles and the lower limiting buckles are matched with each other, so that the maximum upward moving space and the maximum downward moving space of the spring in the motion process can be limited, the spring is prevented from being subjected to inelastic deformation, and the spring in the vertical vibration damping system is further protected to be in a working state all the time.

In a further embodiment, the left and right vibration reduction systems comprise a middle vibration reduction inclined plane and a first rubber vibration reduction block, wherein the middle vibration reduction inclined plane is arranged on the upper fixing support and the lower fixing support, the first rubber vibration reduction block is positioned on the middle vibration reduction inclined plane, is used for connecting the upper fixing support and the lower fixing support, and has a preset inclination angle, so that the vertical vibration reduction systems are prevented from being interfered by horizontal movement, and the vibration reduction effect is reduced.

In a further embodiment, the front and rear vibration reduction systems include a front vibration reduction inclined surface and a rear vibration reduction inclined surface which are mounted on the upper fixing support and the lower fixing support, and a second rubber vibration reduction block which is located on the front vibration reduction inclined surface and the rear vibration reduction inclined surface, used for connecting the upper fixing support and the lower fixing support, and forms a predetermined inclination angle with the upper fixing support and the lower fixing support, so that the vertical vibration reduction systems are prevented from being interfered by horizontal back and forth movement, and the vibration reduction effect is reduced.

In a further embodiment, a group of threaded holes are symmetrically arranged on the upper fixing support and the lower fixing support, so that the damping operation can be smoothly carried out.

In a further embodiment, the upper fixing support and the lower fixing support are respectively provided with a nut matched with the threaded hole and a shock absorber shell connected with the upper fixing support and the lower fixing support, so that the damage of the device can be avoided, and the service life of the device is prolonged.

A vibration reduction method based on the transformer vibration reduction base comprises the following steps:

s1: the transformer vibration damping base is placed at a designated position, and then fixed equipment can be directly fixed at the threaded holes through the plurality of threaded holes on the upper surface and the lower surface of the transformer vibration damping base, so that the mounting work of the transformer vibration damping base is completed;

s2: when the transformer damping base is arranged at a designated position, and the distribution transformer starts to work, the moving distribution transformer generates larger vibration and then drives the upper fixing support to start to move;

s3: when the distribution transformer generates a force in the front-back direction, the front vibration reduction inclined plane system and the rear vibration reduction inclined plane system are matched with each other, and the second rubber vibration reduction block starts to move in the front-back moving space, so that the force in the front-back direction generated by the device can be counteracted, and the front-back limiting work is completed;

s4: when the distribution transformer generates a force in the left-right direction; at the moment, the middle damping inclined plane system is matched with the second rubber damping block, so that the second rubber damping block can reduce the force in the left and right directions, the force in the left and right directions generated by the device can be offset, and the smooth operation of witness work is ensured.

Has the advantages that: the invention discloses a transformer damping base, which is provided with a vertical damping system for reducing vibration of a distribution transformer in a working state, when an upper fixing bracket is stressed to displace, the upper fixing bracket can cause a main damping spring and an auxiliary damping spring to deform so as to achieve the damping effect, the bottoms of the main damping spring and the auxiliary damping spring can be isolated through an arranged spring limiting block and an arranged main spring limiting sleeve, the tops of the main damping spring and the auxiliary damping spring are isolated through an arranged auxiliary spring limiting sleeve so that the two springs are complementary and not interfered when working, the upper limiting system and the lower limiting system which are arranged simultaneously can avoid the inelastic deformation of the springs so as to prolong the service life of the device, and the vertical damping system can be prevented from being interfered by horizontal front and back movement and from being interfered by horizontal left and right movement through the left and right damping system and the front and back damping system which are arranged, thereby improving the damping effect of the device.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a sectional view showing an operation state of the present invention.

FIG. 3 is a cross-sectional view of the vertical damping system of the present invention.

Fig. 4 is a schematic view of an upper mounting bracket of the present invention.

The reference signs are: the damping device comprises a vertical damping system 1, an upper fixing support 101, a threaded hole 102, a nylon buffer block 103, an auxiliary damping spring 104, a main damping spring 105, a spring limiting block 106, a buffer gasket 107, a lower fixing support 108, an auxiliary spring limiting sleeve 109, a main spring limiting sleeve 110, a left damping system 2, a right damping system 2, a middle damping inclined plane 201, a first rubber damping block 202, a front damping system 3, a rear damping inclined plane 301, a rear damping inclined plane 302, a second rubber damping block 303, an upper limiting system 4, a lower limiting system 4, an upper limiting buckle 401, a lower limiting buckle 402, a damper shell 5 and a nut 6.

Detailed Description

Through research and analysis of the applicant, the reason for the problem (the noise in the power distribution room is only 64-67dB, the buzz is still obviously felt, and the daily living life of the accessory residents is influenced) is that the power distribution room is usually arranged at the bottom floor of a residential building, low-frequency noise of a transformer with 100hz as fundamental frequency is generated when a main equipment distribution transformer works, the penetrating power of the low-frequency noise is very strong, and the daily living life of the accessory residents is further influenced, but if the distribution transformer is placed at a far position, large energy damage can be caused in the transportation process, and electric power waste can be further caused, the vertical damping system is further arranged for reducing vibration of the distribution transformer in the working state, and when the upper fixing support is stressed and displaced, the main damping spring and the auxiliary damping spring can be deformed by the upper fixing support, so that the damping effect can be achieved, simultaneously through the spring stopper and the main spring stop collar that set up and then can keep apart main damping spring and vice damping spring's bottom, and keep apart main damping spring and vice damping spring's top through the vice spring stop collar that sets up, make two complementary noninterferences of spring during operation, the upper and lower spacing system that sets up simultaneously can avoid the spring inelasticity deformation to appear, and then improve the life of device, and through the damping system and front and back damping system about setting, and then can avoid perpendicular damping system to receive the interference of horizontal back-and-forth movement and avoid perpendicular damping system to receive the interference that the level removed from side to side, and then improve the shock attenuation effect of device.

A transformer damping mount comprising: the damping device comprises a vertical damping system 1, an upper fixing support 101, a threaded hole 102, a nylon buffer block 103, an auxiliary damping spring 104, a main damping spring 105, a spring limiting block 106, a buffer gasket 107, a lower fixing support 108, an auxiliary spring limiting sleeve 109, a main spring limiting sleeve 110, a left damping system 2, a right damping system 2, a middle damping inclined plane 201, a first rubber damping block 202, a front damping system 3, a rear damping inclined plane 301, a rear damping inclined plane 302, a second rubber damping block 303, an upper limiting system 4, a lower limiting system 4, an upper limiting buckle 401, a lower limiting buckle 402, a damper shell 5 and a nut 6.

The transformer damping base is composed of an upper fixing support 101 and a lower fixing support 108, a plurality of auxiliary spring limiting sleeves 109 are symmetrically installed at two ends of the upper fixing support 101, a vertical damping system 1, an upper limiting system 4, a lower limiting system 2, a left damping system, a right damping system 2, a front damping system 3 and a rear damping system 3 are arranged on the upper fixing support 101, and a plurality of main spring limiting sleeves 110 are arranged on the lower fixing support 108, the transformer damping base is placed at a specified position firstly, then the transformer damping base can be directly fixed at a threaded hole 102 through a plurality of threaded holes 102 on the upper surface and the lower surface of the transformer damping base, and then the installation work of the transformer damping base is completed, and the smooth operation of the damping work is guaranteed.

The vertical vibration damping system 1 comprises nylon buffer blocks 103 which are arranged on the upper fixing support 101, positioned in auxiliary spring limiting sleeves 109 and have the same number with the auxiliary springs, auxiliary vibration damping springs 104 which are arranged on the nylon buffer blocks 103, main vibration damping springs 105 which are sleeved on the auxiliary spring limiting sleeves 109, spring limiting blocks 106 which are arranged at the other ends of the main vibration damping springs 105 and the auxiliary vibration damping springs 104, and buffer gaskets 107 which are connected with the spring limiting blocks 106, wherein the spring limiting blocks 106 are positioned in the main spring limiting sleeves 110, grooves which are respectively matched with the auxiliary vibration damping springs 104 are further arranged on the spring limiting blocks 106, and the buffer gaskets 107 are positioned in the main spring limiting sleeves 110 and are connected with the lower fixing support 108; when the transformer damping base is installed at a designated position, and at the moment, when the distribution transformer starts to work, the moving distribution transformer generates large vibration and then drives the upper fixing support 101 to start moving, when the upper fixing support 101 is stressed to generate displacement, the moving upper fixing support 101 drives the nylon buffer block 103 to start moving, and then the nylon buffer block 103 and the upper fixing support 101 which move downwards cause the auxiliary damping spring 104 and the main damping spring 105 to deform, and then the deformed damping spring generates elastic force opposite to the extrusion force, so that the extrusion force in the vertical direction can be offset, and further the damping work in the vertical direction is achieved, meanwhile, the bottoms of the main damping spring 105 and the auxiliary damping spring 104 can be isolated through the arranged spring limiting block 106 and the main spring limiting sleeve 110, and the tops of the main damping spring 105 and the auxiliary damping spring 104 are isolated through the arranged auxiliary spring limiting sleeve 109, the two springs are complementary and do not interfere in working, namely the inner spring and the outer spring are not clamped together, and smooth operation of damping work of the device is further ensured. In a further embodiment, in order to improve the coupling force between the auxiliary damping springs 104 and 105 and the nylon buffer block 103 and the spring limiting block 106, a plurality of protruding sections matched with the main damping springs 105 and the auxiliary damping springs 104 are arranged on the nylon buffer block 103 or the spring limiting block 106 in the circumferential direction. When the main damping spring 105 and the sub damping spring 104 are engaged with the corresponding convex sections, a structure similar to a screw connection can be formed, thereby improving the coupling force. In the transportation process of the transformer, most road conditions are relatively flat, the up-and-down vibration of the transformer is within an expected range, and the primary and secondary damping springs 104 are not stretched too much and are not separated from the buffer blocks or the limiting blocks. However, in some areas, for example, in mountain areas, under the condition of poor road conditions, the transformer may receive large vertical vibration energy, so that the stretching distance exceeds the working stroke, if the coupling force is insufficient, the failure of the damping structure is easily caused, and meanwhile, the main damping spring 105 and the auxiliary damping spring 104 are matched with each other through the arrangement, so that the energy storage effect can be achieved, and further, when the transformer is extruded, the compression stroke of the damping spring can be reduced, so that the damping seat has a small volume when being designed, and further, the stability of the damper can be increased. In a further embodiment, the elastic coefficients of the main damping spring 105 and the auxiliary damping spring 104 are different, and in the practical application process, the elastic coefficient of the main damping spring 105 is smaller than that of the auxiliary damping spring 104, so that when the upper fixing bracket 101 receives the extrusion, when the extrusion force applied to the upper fixing bracket 101 is smaller, the main damping spring 105 deforms, and the extrusion force applied to the upper fixing bracket 101 by the external force can be offset, and because the auxiliary damping spring is connected with the nylon buffer block 103, the nylon buffer block 103 can have a certain buffering effect, and the received extrusion force of the auxiliary damping spring can be reduced, so that the deformation amount of the auxiliary damping spring 104 can be reduced, and the service life of the damping spring can be prolonged, when the extrusion force applied to the upper fixing bracket 101 is larger, the auxiliary damping spring 104 and the main damping spring 105 move simultaneously, and then can reduce the extrusion force that upper fixed bolster 101 received, and then guarantee that perpendicular shock mitigation system can accomplish the damping work to the device ascending in the vertical direction, guarantee the smooth application of damping work.

In a further embodiment, the upper and lower limiting system 4 includes a set of upper limiting buckles 401 symmetrically installed on the upper fixing bracket 101 and a set of lower limiting buckles 402 symmetrically installed on the lower fixing bracket 108, the upper limiting buckles 401 and the lower limiting buckles 402 are clamped and matched, and the upper limiting buckles 401 and the lower limiting buckles 402 are matched with each other, so as to limit the maximum upward movement space and the maximum downward movement space of the spring during the movement process, thereby avoiding the inelastic deformation of the spring, and further protecting the spring in the vertical vibration damping system 1 from being in a working state all the time.

The left and right vibration damping system 2 comprises a middle vibration damping inclined surface 201 which is arranged on the upper fixing support 101 and the lower fixing support 108, and a first rubber vibration damping block 202 which is positioned on the middle vibration damping inclined surface 201, is used for connecting the upper fixing support 101 and the lower fixing support 108 and has a preset inclination angle, when a distribution transformer generates force in the left and right directions; at this time, the middle damping inclined plane 201 system is matched with the second rubber damping block 303, so that the second rubber damping block 303 can reduce the force in the left-right direction, the force in the left-right direction generated by the device can be offset, the smooth operation of witness work is ensured, the vertical damping system 1 is prevented from being interfered by horizontal movement, and the damping effect is reduced.

The front and rear vibration reduction systems 3 comprise a front vibration reduction inclined surface 301 and a rear vibration reduction inclined surface 302 which are arranged on the upper fixing support 101 and the lower fixing support 108, and a second rubber vibration reduction block 303 which is positioned on the front vibration reduction inclined surface 301 and the rear vibration reduction inclined surface 302, is used for connecting the upper fixing support 101 and the lower fixing support 108, and forms a preset angle with the upper fixing support 101 and the lower fixing support 108. In the above embodiment, the first rubber vibration damping block 202 and the second rubber vibration damping block are provided to damp vibrations in two horizontal directions, and when the length direction of the fixing bracket is the X axis and the horizontal direction perpendicular to the X axis is the Y axis, the first rubber vibration damping block 202 damps vibrations in the X axis and the two second rubber vibration damping blocks 303 damp vibrations in the Y axis. In the X-axis direction, energy is stored through compression and stretching of the rubber block, and vibration energy of the rubber block is reduced. In the Y-axis direction, energy dissipation vibration reduction is carried out through two second rubber vibration reduction blocks 303 with the same or opposite inclination directions. In the embodiment using two opposite rubber vibration damping blocks, the vibration energy is weakened by one bearing pressure and one bearing tension, thereby improving the vibration damping effect.

A group of threaded holes 102 are symmetrically arranged on the upper fixing support 101 and the lower fixing support 108, and the device can be smoothly arranged on a transformer through the arranged threaded holes 102, so that the damping operation can be smoothly carried out.

The upper fixing support 101 and the lower fixing support 108 are respectively provided with a nut 6 matched with the threaded hole 102 and a shock absorber shell 5 connected with the upper fixing support 101 and the lower fixing support 108, damage to the device caused by other equipment can be reduced through the arranged shock absorber shell 5, meanwhile, the surface area of the shock absorber shell 5 is large, damage to the device can be avoided, and the service life of the device is prolonged.

Description of the working principle: firstly, the transformer vibration reduction base is placed at a designated position, and then fixed equipment can be directly fixed at the threaded holes 102 through the threaded holes 102 on the upper surface and the lower surface of the transformer vibration reduction base, so that the installation work of the transformer vibration reduction base is completed; when the transformer damping base is arranged at a designated position, and the distribution transformer starts to work, the moving distribution transformer generates larger vibration and then drives the upper fixing support 101 to start to move, when the upper fixing support 101 is stressed to generate displacement, the moving upper fixing support 101 drives the nylon buffer block 103 to start to move, the downward-displaced nylon buffer block 103 and the upper fixing support 101 can cause the auxiliary damping spring 104 and the main damping spring 105 to deform, and the deformed damping spring can generate elastic force opposite to the extrusion force, so that the extrusion force in the vertical direction can be offset, and the damping work in the vertical direction is achieved; when the distribution transformer generates a force in the front-back direction, the front damping inclined plane 301 system and the rear damping inclined plane 302 system are matched with each other to start moving in the front-back moving space by the second rubber damping block 303, so that the force in the front-back direction generated by the device can be counteracted, and the front-back limiting work is completed; when the distribution transformer generates a force in the left-right direction; at this time, the middle damping inclined plane 201 system is matched with the second rubber damping block 303, so that the second rubber damping block 303 can reduce the force in the left and right directions, the force in the left and right directions generated by the device can be offset, and the smooth operation of damping work is ensured.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims (8)

1. A transformer damping base is characterized by comprising:

the transformer vibration damping base consists of an upper fixing support, a lower fixing support, a vertical vibration damping system, an upper limiting system, a lower limiting system, a left vibration damping system, a right vibration damping system, a front vibration damping system and a rear vibration damping system, wherein the vertical vibration damping system, the upper limiting system, the lower limiting system, the left vibration damping system and the right vibration damping system are arranged on the upper.

2. The vibration damping base of the transformer as claimed in claim 1, wherein: the vertical vibration damping system includes: the damping device comprises a plurality of auxiliary spring limiting sleeves, a plurality of main spring limiting sleeves, a nylon buffer block, an auxiliary damping spring, a main damping spring, a spring limiting block and a buffer gasket, wherein the auxiliary spring limiting sleeves are symmetrically arranged at two ends of an upper fixing support, the nylon buffer block is arranged on a lower fixing support, the nylon buffer block is arranged on the upper fixing support, is positioned in the auxiliary spring limiting sleeves, and is the same as the auxiliary springs in number; when last fixed bolster atress takes place the displacement, last fixed bolster can lead to main damping spring and vice damping spring to take place deformation this moment, and then reaches absorbing effect, and the spring stopper and the main spring stop collar through setting up and then can keep apart main damping spring and vice damping spring's bottom simultaneously to keep apart main damping spring and vice damping spring's top through the vice spring stop collar that sets up.

3. The vibration damping base of the transformer as claimed in claim 1, wherein: the upper limiting system and the lower limiting system comprise a group of upper limiting buckles and a group of lower limiting buckles, wherein the upper limiting buckles and the lower limiting buckles are symmetrically arranged on the upper fixing support, and the upper limiting buckles and the lower limiting buckles are clamped and matched.

4. The vibration damping base of the transformer as claimed in claim 1, wherein: the left and right vibration reduction systems comprise a middle vibration reduction inclined plane arranged on the upper fixing support and the lower fixing support, and a first rubber vibration reduction block which is positioned on the middle vibration reduction inclined plane, is used for connecting the upper fixing support and the lower fixing support and has a preset inclination angle.

5. The vibration damping base of the transformer as claimed in claim 1, wherein: the front and rear vibration reduction systems comprise a front vibration reduction inclined surface and a rear vibration reduction inclined surface which are arranged on the upper fixing support and the lower fixing support, and a second rubber vibration reduction block which is positioned on the front vibration reduction inclined surface and the rear vibration reduction inclined surface, is used for connecting the upper fixing support and the lower fixing support, and forms a preset inclination angle with the upper fixing support and the lower fixing support.

6. The vibration damping base of the transformer as claimed in claim 1, wherein: and a group of threaded holes are symmetrically arranged on the upper fixing support and the lower fixing support.

7. The vibration damping base of the transformer as claimed in claim 6, wherein: the upper fixing support and the lower fixing support are both provided with nuts matched with the threaded holes, and the shock absorber shell is connected with the upper fixing support and the lower fixing support.

8. A vibration reduction method based on the transformer vibration reduction base is characterized by comprising the following steps:

s1: the transformer vibration damping base is placed at a designated position, and then fixed equipment can be directly fixed at the threaded holes through the plurality of threaded holes on the upper surface and the lower surface of the transformer vibration damping base, so that the mounting work of the transformer vibration damping base is completed;

s2: when the transformer damping base is arranged at a designated position, and the distribution transformer starts to work, the moving distribution transformer generates larger vibration and then drives the upper fixing support to start to move;

s3: when the distribution transformer generates a force in the front-back direction, the front vibration reduction inclined plane system and the rear vibration reduction inclined plane system are matched with each other, and the second rubber vibration reduction block starts to move in the front-back moving space, so that the force in the front-back direction generated by the device can be counteracted, and the front-back limiting work is completed;

s4: when the distribution transformer generates a force in the left-right direction; at the moment, the middle damping inclined plane system is matched with the second rubber damping block, so that the second rubber damping block can reduce the force in the left and right directions, the force in the left and right directions generated by the device can be offset, and the smooth operation of witness work is ensured.

Images