KR102341159B1 - The encloser with vibration damping function - Google Patents

Abstract

The present invention relates to an enclosure with a vibration damping function, which prevents damage or breakdown of power equipment or a bus bar inside an enclosure of a switchboard, a distribution board, a motor control panel, an automatic control panel, etc. due to vibration generated by earthquake or typhoon in the enclosure, and more specifically to an enclosure which is configured to prevent damage due to earthquake by damping vibration especially in a diagonal or horizontal direction, of the direction of vibration transmitted to the enclosure.

Description

Encloser with vibration damping function

The present invention provides vibration damping in order to prevent damage or failure of electric power equipment or bus bars inside the enclosure due to vibrations caused by earthquakes or typhoons in enclosures such as switchboards, distribution boards, motor control panels, and automatic control panels. It relates to a ship equipped with a function. More particularly, it relates to an enclosure configured to prevent damage from earthquakes by damping vibrations, particularly diagonal or horizontal, in the direction of vibration transmitted to the enclosure.

Switchgear, motor control panel, and distribution panel are closed enclosures with an iron frame assembled in the shape of a rectangular parallelepiped, the outside of which is made of a painted steel plate, and a door on the front, rear or front of the enclosure, and the enclosure is It is fixed to the ground to prevent overturning.

1 is an internal configuration diagram of a switchboard as an example of a conventional housing.

In the case of the enclosure, due to vibration generated when an earthquake occurs, a bus bar or electric power device, which is a power transmission means assembled inside the enclosure, is damaged or broken due to impact due to vibration.

Accordingly, a vibration damping device for preventing damage and failure due to vibration occurring during a disaster such as an earthquake or typhoon is provided in a housing such as a switchboard.

However, the vibration damping device installed in the existing enclosure generally absorbs vibration to some extent in the vertical direction, but has structural weaknesses such as twisting of the enclosure in the diagonal or horizontal direction vibration.

Therefore, there is a need to prevent damage and failure by minimizing the impact applied to the bus bar or power equipment inside the housing while the torsional stress generated in the housing by the vibration in the oblique or horizontal direction is applied during a disaster. have.

Patent Document 1: Domestic Patent Registration Publication No. 10-1711435 (Announcement Date: Mar. 13, 2017) Patent Document 2: Domestic Patent Publication No. 10-2018-0113790 (published on October 17, 2018) Patent Document 3: Domestic Patent Publication No. 10-2019-0009393 (published on: January 28, 2019) Patent Document 4: Domestic Patent Registration Publication No. 10-1749580 (Announcement Date: 2017.06.22) Patent Document 5: Domestic Patent Publication No. 10-2016-0004775 (published on: January 13, 2016)

In order to solve the above problems, the present invention provides an electric power device or a bus bar inside the enclosure due to vibration caused by earthquakes or typhoons in enclosures such as switchboards, distribution boards, motor control panels, and automatic control panels. In order to prevent failure, it is intended to provide a housing having a vibration damping function configured to prevent damage from earthquakes by damping not only vertical, but also horizontal and diagonal vibrations in the direction of vibration transmitted to the enclosure. .

In order to achieve the above object, the present invention is configured by assembling an iron frame (Frame) in the form of a hexahedron, and in a housing provided with an electric power device and a bus bar therein, the housing and the housing are placed Doedoe comprising a first vibration damping device provided between the ground,

The first vibration damping device may include: a first vibration damping device body having an empty three-dimensional shape; an upper cover provided to cover an upper portion of the first vibration damping device body and having a through hole formed therein; a first vibration transmission body provided inside the body of the first vibration damping device and having a housing fixing hole bolted to the housing through the through hole; a flat plate spring fixed to the inner surface of the first vibration damping device body and supporting the first vibration transmission body while forming a protrusion in surface contact with the first vibration transmission body; a second vibration transmission body provided inside the body of the first vibration damping device and having a contact upper end that makes surface contact with the first vibration transmission member and the bent portion of the flat spring; a lower cover provided at a lower portion of the first vibration damping device body and having a bottom fixing hole 262 formed at a lower portion in contact with the ground; and a compression spring provided between the second vibration transmission body and the lower cover to reduce vibration.

The shape of the contact cross-section during surface contact between the first vibration transmission member and the protrusion of the flat spring is configured to form a curved shape.

The shape of the contact cross-section of the contact upper end of the first vibration transmission member and the second vibration transmission member configured to be in surface contact with the bent portion of the flat spring at the same time is configured to form a curved shape.

In addition, in order to achieve the above object, the present invention is configured by assembling an iron frame (Frame) in the form of a hexahedron, and in a housing having an electric power device and a bus bar therein, the housing and the housing It is configured to include a second vibration damping device provided between the ground,

The second vibration damping device may include: an upper cover having a through hole formed at the upper portion and formed in the shape of a cylinder with an empty inside, the upper cover having a coupling blade protruding from the lower portion; a first vibration transmitting body provided on the inner upper portion of the upper cover and transmitting the vibration transmitted to the housing; a compression spring provided in the central outer portion of the inner side of the upper cover and having one end in close contact with the lower portion of the first vibration transmission body; a second vibration transmission body provided to be spaced apart from the first vibration transmission member on the inner side of the upper cover and contacting the other end of the compression spring; a buffer rubber provided between the compression springs and in contact with the first vibration transmission member and the second vibration transmission member, respectively; a lower cover fixed to the ground while being coupled with the coupling wings 312 of the upper cover by bolts and nuts; and a buffer pad provided between the coupling wing of the upper cover and the lower cover.

The coupling between the upper cover and the lower cover of the second vibration damping device is made by a bolt and a nut having a coupling hole formed in the coupling wing and the lower cover, respectively, and between the coupling of the bolt and the nut on the upper side of the coupling wing. to further include a washer and a compression spring for damping the vibration load for damping the vibration load.

An assembly for diagonal vibration damping is constituted having close contact portions that are respectively in close contact with three surfaces formed on eight corners of the housing, and the assembly for diagonal vibration damping is configured by connecting three vibration damping dampers to the housing. It dampens the vibration in the diagonal direction.

The close contact portion is formed while screwing each of the three surfaces formed at the corners of the housing in a state in which the fastening portions formed at the ends of the pair of vibration dampers overlap each other.

The vibration damping damper may include: a pair of compression force transmission arms including a coupling part in which the screw coupling hole is formed, and a shaft that is bent at a predetermined angle with the coupling part and transmits compressive force due to vibration transmitted through the coupling part; and a compression force reducing unit coupled from both sides of the pair of compression force transmission arms to reduce the compression force transmitted from the compression force transmission arm.

The compressive force reducing unit includes a cylindrical outer portion having a hollow inner side and a main body forming a hollow inner body, the compressive force reducing unit body having an accommodating space between the outer portion and the main body; a compression spring located in the receiving space of the compression force reducing body; a piston part having one end connected to the compression force transmitting arm, and the other end being configured to be movable left and right while in contact with the compression spring inside the compression force reducing part body; and separation prevention caps provided at both ends of the compression force reducing unit body to prevent the piston unit from being separated from the inside of the compression force reducing unit body.

In addition, the compressive force reducing part is formed of a cylindrical outer part formed in a hollow shape inside, and a body part formed inside the hollow shape, and is connected to the compressive force transmitting arm while constituting a receiving space between the outer part and the main body part a first compression force reducing unit body; a second compression force reducing unit body formed of a cylindrical outer part having a hollow inside and a main body formed inside the hollow, and connected to the compression force transmitting arm while constituting an accommodation space between the outer part and the main body; Compression springs respectively located in the accommodating spaces of the first compression force reducing body body and the second compression force reducing body body; a pair of piston parts configured to be movable left and right while in contact with the compression spring inside each of the first compression force reducing body body and the second compression force reducing part body; a connecting shaft connecting the pair of piston parts while being respectively coupled to the pair of piston parts; and separation prevention provided at each end of the first compression force reducing unit body and the second compression force reducing unit body so as to prevent the piston unit from being separated from the inside of the first compression force reducing unit body and the second compression force reducing unit body It consists of a cap;

In addition, the present invention is sized to include both the fixing bolt and the rubber packing surrounding the fixing bolt for the seismic damping function of the through hole into which the fixing bolt between the structures is inserted when the bolt coupling between the structures provided in the interior of the enclosure is included. is configured to be adjusted.

The effects generated by the implementation of the present invention by the above-described configuration are as follows.

First, it is possible to provide a housing equipped with a vibration damping function capable of effectively damping external vibrations caused by earthquakes by implementing the present invention, and in particular, vibrations applied not only in the vertical direction but also in the horizontal and diagonal directions It is also possible to provide a housing equipped with a vibration damping function that can be effectively damped.

1 is an internal configuration diagram of a switchboard as an example of a conventional housing.
2 is a perspective view of an enclosure according to an embodiment of the present invention.
3 is a side cross-sectional view of the first vibration damping device used in the embodiment of the present invention.
4 is a side cross-sectional view of the second vibration damping device used in the embodiment of the present invention.
5 and 6 are perspective views of an assembly for diagonal vibration damping used in a preferred embodiment of the present invention.
7 is a side view showing the coupling state of the devices inside the housing of the embodiment of the present invention.

Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention belongs It is provided to inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

In addition, the terms used in the present invention have been selected as currently widely used general terms as possible while considering the functions in the present invention, which may vary depending on the intention, precedent, or emergence of new technology of those of ordinary skill in the art. . In addition, in a specific case, there is a term arbitrarily selected by the applicant in consideration, and in this case, the meaning will be explained in detail through the description of the function and structure in the detailed description of the corresponding invention. Therefore, the term used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, rather than the name of a simple term.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings for the housing having a vibration damping function.

2 is a perspective view of an enclosure according to an embodiment of the present invention. 3 is a side cross-sectional view of the first vibration damping device used in the embodiment of the present invention.

The present inventor's housing 10 equipped with a vibration damping function, as shown in the accompanying FIGS. 1 and 2, is provided with a power device and a bus bar therein, and by assembling the iron frame 100 in a hexahedral shape. is composed

The housing 10 includes a first vibration damping device 200 between the housing and the ground 90 on which the housing is placed.

The first vibration damping device 200 includes a first vibration damping device body 210 provided in a three-dimensional shape such as a cylinder or a square with an empty interior.

In addition, an upper cover 220 provided to cover the upper portion of the first vibration damping device body 210 and having a through hole formed therein is configured.

A first vibration transmission body 230 is configured inside the first vibration damping device body 210, and the first vibration transmission body 230 has an enclosure fixing hole 232 formed therein, and the enclosure fixing hole 232 is formed. is formed for bolt coupling with the lower portion of the housing through the through hole.

In addition, the first vibration damping device 200 includes a flat spring 240 fixed to the inner surface of the first vibration damping device body 210 and supporting the first vibration transmitting body 230 .

The flat spring 240 absorbs and reduces pressure or vibration transmitted in the diagonal direction as well as in the vertical/horizontal direction transmitted from the first vibration transmission body 230 due to the property of the elastic body possessed by itself. .

In more detail, the flat spring 240 includes a protrusion protruding toward the inner center of the first vibration damping device body 210, and the first vibration transmission body 230 through the protrusion makes surface contact with the lower portion of the first vibration damping device body 210. The first vibration transmission body 230 is supported.

In other words, the shape of the contact cross-section at the time of surface contact between the first vibration transmission body 230 and the protrusion of the flat spring 240 is configured to form a curved shape, and the pressure caused by the vibration transmitted in various directions can be attenuated. do.

In addition, a second vibration transmitting body 250 is provided inside the first vibration damping device body 210 of the first vibration damping device 200, and the second vibration transmitting body 250 is the flat spring 240. and the first vibration transmission body 230 is supported.

In more detail, the second vibration transmission body 250 has an upper end that makes surface contact with the lower portion of the first vibration transmission body 230 and the bent portion of the flat spring 240 at the same time.

The shape of the contact cross-section of the upper end of the first vibration transmission body 230 and the second vibration transmission body 250 configured to simultaneously surface-contact the bent portion of the flat spring 240 is configured to form a curved shape, and is transmitted in various directions. It becomes possible to damp the pressure caused by the vibration.

In addition, the first vibration damping device 200 is provided with a lower cover 260 at a lower portion of the first vibration damping device body, and a bottom fixing hole 262 in contact with the ground is formed in the lower portion of the lower cover 260 . do.

Through the sea fixing hole 262 formed in the lower cover 260, the first vibration damping device 200 is fixed in close contact with the ground through bolt coupling.

In addition, the first vibration damping device 200 includes a compression spring 270 provided between the second vibration transmission body 250 and the lower cover 260 to reduce vibration, and the compression spring ( 270) can be variously changed.

That is, the second vibration transmitting body 250 is provided to contact the lower side of the first vibration transmitting body 230 from the inside of the first vibration damping device body 210 in a curved shape, and the first vibration in various directions. The pressure or vibration applied to the transmission body 230 is attenuated while being transmitted to the compression spring 270 provided at the bottom while being primarily attenuated by the flat plate spring 240 .

And this pressure or vibration is converted into elastic energy as the compression spring 270 is compressed and reduced or eliminated.

4 is a side cross-sectional view of the second vibration damping device used in the embodiment of the present invention. As shown in FIG. 4 attached, it can be implemented by configuring the second vibration damping device 300 .

The second vibration damping device 300 includes an upper cover 310 , the upper cover 310 having a through hole 312 formed at the upper portion, is formed in a hollow cylindrical shape with an empty interior, and is coupled to the lower portion. Wings 314 are formed to protrude.

A first vibration transmitting body 320 is provided in close contact with the inner upper portion of the upper cover 310 to transmit the vibration transmitted from the housing 10, and a bolt is inserted into the first vibration transmitting body 320 as well. As the hole is formed, the bolt inserted into the insertion hole is bolted to the lower portion of the housing 10 through the through hole 312 formed in the upper cover 310 .

In addition, the second vibration damping device 300 includes a compression spring 330 provided in the central outer portion of the inner side of the upper cover 310 and having one end in close contact with the lower portion of the first vibration transmitting body 320 . .

In addition, the second vibration damping device 300 is provided to be spaced apart from the first vibration transmission body 320 at the lower portion of the inner side of the upper cover 310, and a compression spring (330) while in contact with the other end of the compression spring (330). The second vibration transmission body 340 supporting the 330 is configured.

In addition, the second vibration damping device 300 is provided between the compression springs in the center of the inner side of the upper cover 310 , and is in contact with the first vibration transmission body 320 and the second vibration transmission body 340 , respectively. The buffer rubber 350 is configured.

The buffer rubber 350 does not generate vibration or serves to accommodate weak vibrations, and when strong vibration or pressure is applied to the housing, the vibration is attenuated through the compression spring 330 .

In addition, the second vibration damping device 300 includes a lower cover 360 fixed to the ground while being coupled with the coupling wings 312 of the upper cover by bolts and nuts.

The lower cover 360 is preferably fixed to the ground using the ground fastening bracket (60).

In addition, the second vibration damping device 300 is further provided with a buffer pad 370 between the upper cover 310 and the lower cover 360, and the vibration transmitted between the upper cover 310 and the lower cover. will attenuate

The cushioning pad 370 is configured to be inserted in the shape of a circular ring between the lower portion of the upper cover 320 and the upper rim of the lower cover 360, and attenuates vibrations transmitted in vertical and oblique directions. will do

It may be implemented by providing the buffer pad 370 only between the coupling wing 314 and the lower cover 360 .

In addition, in the second vibration damping device 300 , the coupling blade 314 of the upper cover 310 and the lower cover 360 are coupled to the coupling blade 314 , the cushioning pad 370 and the lower portion. Each coupling hole is formed in the cover 370 and is made by a bolt and a nut, and between the coupling of the bolt and the nut 30 on the upper side of the coupling blade 314 is a washer 40 and compression for damping the vibration load. A spring 380 is further included.

That is, the first vibration transmission body 320 is provided inside the upper cover 310 to compress the vibration or pressure transmitted from the housing 10 so that one end is in close contact with the lower portion of the first vibration transmission body 320 . It is transmitted to the spring (330). At this time, the compression spring 330 is reduced by converting vibration or pressure into elastic energy while being contracted.

And the vibration damped by the compression spring 330 is spaced apart from the first vibration transmission body 320 on the lower side of the inner side of the upper cover 310 and a second provided so as to contact the other end of the compression spring 330 . It is transmitted to the vibration transmission body (340). In this case, preferably, the material of the first vibration transmission body 320 and the second vibration transmission body 340 may be made of a rubber material or a soft metal, and may be variously deformed according to the implementation conditions.

In other words, the second vibration damping device 300 includes two types of compression springs 330 and 380 . First, the compression spring 330 provided in the central outer portion of the inner side of the upper cover 310 is lower The main role is to damp the vibration transmitted in the direction, and the compression spring 380 located on the upper side of the coupling wing 314 has a role of damping the vibration transmitted in the upward direction and a plurality of compression springs 380 . It also serves to dampen vibrations transmitted not only horizontally and vertically, but also diagonally.

5 and 6 are perspective views of an assembly for diagonal vibration damping used in a preferred embodiment of the present invention.

Referring to the drawings, in the present invention, the oblique vibration damping assembly 400 having contact portions P in close contact with each of the three surfaces formed at the eight corners of the housing 10 is configured, and the oblique vibration The damping assembly 400 serves to attenuate the vibration in the oblique direction generated in the housing 10 while three vibration damping dampers 500 and 600 are connected to each other.

The close contact portion (P) is a pair of vibration damping dampers (500, 600) formed at the corners of the housing 10 in a state of overlapping the fastening portions (513, 613) having screw holes formed at the ends of each other. It is formed by fastening each side with screws.

In the first vibration damping damper 500 according to the embodiment of FIG. 5 , a fastening part 513 in which the screw coupling hole is formed and a compression force due to vibration transmitted through the fastening part 513 while being bent at a predetermined angle with the fastening part Compressive force transmission arm 510 including a shaft 514 for transmitting is configured as a pair.

The bending angle of the fastening part 513 and the shaft 514 is to be fastened while the close contact parts P formed in three on three surfaces formed at the corners of the housing 10 are in close contact with each other with screws, as described above. It is composed of possible angles.

In addition, the first vibration damping damper 500 includes the pair of compression force transmission arms 510 and a compression force reduction unit 520 coupled from both sides to reduce the compression force transmitted from the compression force transmission arms 510 .

The compression force reducing unit 520 includes a compression force reducing unit body 521, the compression force reducing unit body 521 includes a cylindrical outer portion 521a formed in a hollow shape on the inside, and a body portion formed inside the hollow shape. (521b) is formed.

An accommodation space is formed between the outer portion 521a and the body portion 521b, and a compression spring 523 is positioned in the accommodation space formed in the compression force reducing portion 520 .

In addition, the compression force reducing unit 520 includes a piston unit 524 , and one end of the piston unit 524 is connected to the compression force transmission arm 510 , and the other end is the inside of the compression force reducing unit body 521 . In contact with the compression spring 523 is configured to be movable left and right through the receiving space.

In addition, the compression force reducing part 520 has separation prevention caps 525 at both ends of the compression force reducing part body 521 to prevent the piston part 524 from being separated from the inside of the compression force reducing part body 521 . it is composed

Through this configuration, the compression force in the oblique direction due to the vibration of the housing transmitted through the compression force transmission arm 510 pushes the piston part 524, and at the same time, the compression spring 523 contracts while the compression force is attenuated.

That is, the assembly 400 for diagonal vibration damping of the present invention is composed of three first vibration damping dampers 500, while connecting the three first vibration damping dampers 500 to eight corners of the housing 10. A first vibration reduction damper 500 is used to attenuate the vibration in the diagonal direction transmitted from the housing 10 through the close contact portion P, which constitutes a contact portion P that is in close contact with each of the three surfaces to be formed. will be made

As another embodiment, the second vibration damping damper 600 according to the embodiment of FIG. 6 will be described as follows, and only a configuration distinguished from the first vibration damping damper 500 of FIG. 5 described above will be described. do it with

The compression force reducing unit 620 of the second vibration damping damper 600 includes a first compression force reducing unit body 621 and a second compression force reducing unit body 622 .

The first compressive force reducing body 621 and the second compressing force reducing body 622 are each formed of a cylindrical outer part 621a having a hollow inside, and a body part 621b formed inside the hollow shape. and an accommodation space is formed between the outer portion 621a and the body portion 621b.

Compression springs 623 are respectively located in the receiving spaces formed in the first compression force reducing body 621 and the second compression force reducing body 622 .

Each end of the first compressive force reducing body 621 and the second compressing force reducing body 622 is connected with a compressive force transmitting arm 610 fastened to each other by bolt coupling or the like.

In addition, in the compression force reducing part 620 of the second vibration damping damper 600, the compression spring 623 and A pair of piston parts 624 configured to be movable left and right in the receiving space while being in contact are configured.

In addition, the compression force reducing part 620 is configured with a connecting shaft 626 connecting the pair of piston parts 624 while being respectively coupled to the pair of piston parts 624 .

In order to prevent the respective piston parts 624 from being separated from the inside of the first compression force reducing part body 621 and the second compression force reducing part body 622, the first compression force reducing part body 621 and the second compression force reducing part body 621 2 A separation prevention cap 625 is configured at one end of each of the compression force reducing body 622 .

Through this configuration, the compression force in the oblique direction due to the vibration of the housing transmitted through the compression force transmission arm 510 pushes the piston part 524, and at the same time, the compression spring 523 contracts while the compression force is attenuated.

That is, by implementing the assembly 400 for diagonal vibration damping connected to the three second vibration reduction dampers 600 to be coupled to each corner of the interior of the housing 10 as shown in FIG. In particular, it is possible to effectively reduce or attenuate vibration or pressure applied in an oblique direction.

7 is a side view showing the coupling state of the devices inside the housing of the embodiment of the present invention.

In carrying out the present invention, it is configured to attenuate the vibration transmitted to the bolted portion of the structure, such as a bus bar or electric power device, insulator or iron frame 100 provided inside the housing 10. are doing

To this end, in the present invention, a rubber packing 740 is inserted into a through hole into which a fixing bolt 710 between structures is inserted during bolt coupling between the structures provided in the housing 10 .

In more detail, the size of the through hole into which the fixing bolt 710 between the structures is inserted is adjusted so that the fixing bolt 710 and the rubber packing 740 surrounding the fixing bolt for earthquake damping function are all included. .

For example, a fixing bolt 710 is inserted into a through hole formed in each portion in contact with each other when the structure 70 such as the bus bar and the structure 80 such as an electric power device are combined.

A fixing nut 720 is inserted into the end of the fixing bolt 710 passing through the through hole, and a spring washer 730 is mounted between the fixing nut 720 and the structure 70 .

At this time, while the size of the through hole is larger than the diameter of the fixing bolt 710 , the rubber packing 740 is inserted between the through hole and the spaced apart gap between the fixing bolt 710 .

It is possible to configure the coupling reinforcement structure 700 against vibration while inserting the flat washer 750 between the structure 80 and the head portion of the fixing bolt 710 .

By configuring the coupling reinforcing structure 700 as described above, it is possible to attenuate or minimize the influence of minute vibrations that stress exerts on coupling sites such as various electric power devices, bus bars, and insulators provided in the housing.

An example of the structure 70 connected by the coupling reinforcement structure 700 may be a structure such as a bus bar, a power device, an insulator, and the structure 80 may be a bus bar, an iron frame, etc., It can be applied to the fastening of various structures, etc. depending on the implementation conditions.

Although preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications can be made within the scope of the claims, the detailed description of the invention, and the accompanying drawings, and this also It goes without saying that it falls within the scope of the invention.

10: housing with vibration damping function 20: bolt
30: nut 40: washer
60: bracket for ground fastening 70, 80: structure
90: ground 100: iron frame
200: first vibration damping device
210: first vibration damping device main body 220: upper cover
230: first vibration transmission body 232: housing fixing hole
240: flat spring
250: second vibration transmission body 260: lower cover
262: bottom fixing hole 270: compression spring
300: second vibration damping device 310: upper cover
312: through hole 314: coupling wing
320: first vibration transmission body 330: compression spring
340: second vibration transmission body 350: buffer rubber
360: lower cover 370: cushioning pad
380: compression spring
400: assembly for diagonal vibration damping
500: first vibration reduction damper 510: compression force transmission arm
513: fastening portion 514: shaft
520: compression force reduction unit 521: compression force reduction unit body
521a: outer part 521b: body part
523: compression spring 524: piston unit
525: escape prevention cap
600: second vibration reduction damper 610: compression force transmission arm
613: fastening part 614: shaft
620: compression force reduction unit 621: first compression force transmission unit body
621a: outer part 621b: body part
622: second compression force transmission unit body 622a: outer portion
622b: body portion 623: compression spring
624: piston unit 625: separation prevention cap 626: connecting shaft
700: coupling reinforcement structure 710: fixing bolt
720: fixing nut 730: spring washer
740: rubber packing 750: flat washer

Claims (11)

In the enclosure, which is constructed by assembling an iron frame in the form of a hexahedron, and having a power device and a bus bar inside,
Doedoe comprising a first vibration damping device provided between the housing and the ground on which the housing is placed,
The first vibration damping device,
a first vibration damping device body provided in a three-dimensional shape with an empty interior;
an upper cover provided to cover an upper portion of the first vibration damping device body and having a through hole formed therein;
a first vibration transmission body provided inside the body of the first vibration damping device and having a housing fixing hole bolted to the housing through the through hole;
a flat plate spring fixed to the inner surface of the first vibration damping device body and supporting the first vibration transmission body while forming a protrusion in surface contact with the first vibration transmission body;
a second vibration transmission body provided inside the body of the first vibration damping device, the second vibration transmission body having a contact upper end that makes surface contact with the first vibration transmission member and the bent portion of the flat spring;
a lower cover provided at a lower portion of the first vibration damping device body and having a bottom fixing hole 262 formed at a lower portion in contact with the ground; and
A compression spring provided between the second vibration transmission body and the lower cover to reduce vibration;
An assembly for oblique vibration damping is configured having a contact portion that is in close contact with each of the three surfaces formed at the eight corners of the housing,
The diagonal vibration damping assembly includes three vibration damping dampers connected to each other to damp the diagonal vibration generated in the housing. In the enclosure, which is constructed by assembling an iron frame in the form of a hexahedron, and having a power device and a bus bar inside,
Doedoe comprising a second vibration damping device provided between the housing and the ground on which the housing is placed,
The second vibration damping device,
an upper cover having a through hole formed in the upper portion and formed in the shape of a cylinder with an empty inside, the upper cover having a coupling blade protruding from the lower portion;
a first vibration transmitting body provided on the inner upper portion of the upper cover and transmitting the vibration transmitted to the housing;
a compression spring provided in the central outer portion of the inner side of the upper cover and having one end in close contact with the lower portion of the first vibration transmission body;
a second vibration transmission body provided at a lower portion of the inner side of the upper cover to be spaced apart from the first vibration transmission body and in contact with the other end of the compression spring;
a buffer rubber provided between the compression springs and in contact with the first vibration transmission member and the second vibration transmission member, respectively;
a lower cover fixed to the ground while being coupled with the coupling wings 312 of the upper cover by bolts and nuts; and
It is configured to include a; cushioning pad provided between the coupling wing of the upper cover and the lower cover,
An assembly for oblique vibration damping is configured having a contact portion that is in close contact with each of the three surfaces formed at the eight corners of the housing,
The diagonal vibration damping assembly includes three vibration damping dampers connected to each other to damp the diagonal vibration generated in the housing. 3. The method of claim 1 or 2,
Wherein the close contact portion is formed while screwing each of the three surfaces formed on the corners of the housing in a state in which the fastening portion having the screwing hole formed at the end of the pair of vibration damping dampers is overlapped with each other. . The method of claim 3, wherein the vibration damping damper,
a pair of compression force transmitting arms including a fastening part in which the screw coupling hole is formed and a shaft that is bent at a predetermined angle with the fastening part and transmits compression force due to vibration transmitted through the fastening part; and
A housing with a vibration damping function, characterized in that it comprises a; compression force reducing unit for reducing the compression force transmitted from the compression force transmission arm coupled from both sides with the pair of compression force transmission arms. The method of claim 4, wherein the compressive force reducing unit,
a compression force reducing unit body formed of a cylindrical outer portion having a hollow inner side, and a main body formed on the inner side of the hollow, and having an accommodation space between the outer portion and the main body portion;
a compression spring located in the receiving space of the compression force reducing body;
a piston part having one end connected to the compression force transmitting arm, and the other end being configured to be movable left and right while in contact with the compression spring inside the compression force reducing part body; and
and separation prevention caps provided at both ends of the compression force reducing unit body to prevent the piston unit from being separated from the inside of the compression force reducing unit body. The method of claim 4, wherein the compressive force reducing unit,
a first compression force reducing unit body formed of a cylindrical outer part having a hollow inner side and a main body formed inside the hollow shape, and connected to the compressive force transmitting arm while constituting an accommodating space between the outer part and the main body part;
a second compression force reducing unit body formed of a cylindrical outer portion having a hollow inner side and a main body formed on the inner side of the hollow shape, and connected to the compressive force transmitting arm while constituting an accommodation space between the outer portion and the main body;
Compression springs respectively located in the accommodating spaces of the first compression force reducing body body and the second compression force reducing body body;
a pair of piston parts configured to be movable left and right while in contact with the compression spring inside each of the first compression force reducing body body and the second compression force reducing part body;
a connecting shaft connecting the pair of piston parts while being respectively coupled to the pair of piston parts; and
Separation prevention cap provided at each end of the first compression force reducing unit body and the second compression force reducing unit body to prevent the piston from being separated from the inside of the first compression force reducing unit body and the second compression force reducing unit body A housing with a vibration damping function, characterized in that it comprises a. delete delete delete delete delete

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