KR101633921B1 - Switchboards equipped with a Triaxial twist - Google Patents

Abstract

The present invention relates to an earthquake-resistant device of a switchboard. More specifically, an outer box coupling plate and a rotation plate are coupled by a link and an end portion of a rotation shaft of the rotation plate is configured in a hemispherical shape to absorb vertical or horizontal vibration. The earthquake-resistant device according to the present invention comprises: the outer box coupling plate (10) which is coupled to a lower portion of an outer box (1); a spring (40) which is positioned between the outer box coupling plate (10) and the rotation plate (30) to absorb the vibration; the rotation plate (30) which is coupled to the lower end portion of the spring (40); the link (20) which connects the outer box coupling portion (10) to the rotation plate (30) and includes a buffer; a bearing (35) which allows the rotation of the rotation plate (30) to be smooth; and a bottom face coupling plate which supports the bearing (35). Wherein, the end of the rotation shaft (36) has a hemispherical shape. A groove (18) of the bottom face coupling plate (15) has a hemispherical shape fitted in the shape of the rotation shaft (36), and the link is coupled to the rotation plate in an inclination direction. According to the present invention, it is possible to absorb all vertical and horizontal vibrations with the simple configuration of the link provided with the buffer and the rotation plate coupled to the link in the inclination direction. Since a weight load is uniformly distributed and supported to the rotation shaft and a packing, and the bearing at the normal time, durability is excellent, and the rotation plate is rotated or tilted to effectively absorb the vibration when an earthquake or other source of vibration occurs.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a switchboard equipped with a triaxial twist,

More particularly, the present invention relates to a switchgear having a triaxial twisted seismic device. More particularly, the present invention relates to a switchgear having a triaxial twisted seismic device, And a three-axis twisted seismic device.

Natural disasters such as earthquakes and typhoons have caused collapse of structures and economic losses. As a result, earthquake-resistant design standards are being strengthened not only for the stability of building structures around the world but also for heavy-weight objects housed in structures.

If an earthquake or building vibration occurs, the building itself may be sound, but various electric devices and objects inside it may fall over or collide with each other and be damaged. Particularly, since the middle and large-sized electric devices such as the control panel are made of electrical parts such as control circuits, devices, and switches that are vulnerable to external vibration, mechanical structural strength is very weak.

Therefore, the middle- or large-sized electric device should be installed in an earthquake-proof structure to reduce the risk of damage due to the vibration of the building. Particularly, seismic devices for switchgear and switchgear are urgent.

Korean Patent No. KR 10-1155995 discloses an earthquake-proof technique including a base block and a buffer member as a prior art for a switchboard. However, the above-described technique has a disadvantage that it is vulnerable to earthquake and vibration in the vertical direction, There is a tendency to fall.

Also, Korean Patent Registration No. 10-1515789 discloses a floor plate having a ball plate through hole drilled therein; A cylindrical support having a predetermined height provided at the center of the upper surface of the bottom fixing plate; A disk-shaped disk-holding plate provided on the upper surface of the cylindrical support; And a disc-shaped ball support hole integrally fixed to the bottom fixing plate in a state of being inserted into the cylindrical support while having a hemispherical ball support groove on the top surface. However, in the case of using a ball, And the load of a large weight acts for a long time, so that there is a disadvantage that the balls are deformed and the balls are frequently stuck to the ball-bearing plate.

Therefore, in an earthquake-resistant apparatus for an electric distribution panel, it is desired that an earthquake-resistant technology having a high earthquake-proof capability with a simple structure is required, and it is preferable that the earthquake-

1. KR 10-1155995, 'Switchgear with earthquake-proof device', Registration date: 2012.06.07. 2. KR 10-1515789, 'Switchgear with earthquake-proof function', Registration date: 2015.04.22. 3. KR 10-1568162, 'Vertical and horizontal adjustable earthquake-resistant devices and switchgear with them', Registration date: 2015.11.05.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a three-axis twist-type earthquake-resistant apparatus having a torsionally coupled link and a rotary plate fastened with the link, It is the object of the present invention to disclose.

In order to accomplish the above object, the present invention is characterized in that the present invention has a rotating plate connected to an enclosure fastening plate by a link, wherein the link is fastened in an inclined direction, and when the vibration is generated, A switchgear having a triaxial twisted seismic device is disclosed.

The link of the present invention comprises a shaft having a shock absorbing function capable of expanding and contracting, and is capable of absorbing both vertical and horizontal vibrations. To this end, do.

Further, since the rotary plate of the present invention has a hemispherical rotary shaft at its end, it can smoothly rotate and has a tilting function at a certain angle, thereby absorbing various vibrations. We want to start the switchboard.

The present invention has the following effects due to the above-mentioned solution.

First, the present invention can absorb both vertical and horizontal vibrations with a simple structure of a link having a shock absorber and a rotating plate that is fastened in an inclined direction with respect to the link, so that it has a high seismic function.

Second, since the rotary shaft, the packing, and the bearing are uniformly dispersed and supported by the large weight during normal operation, the durability is excellent. In case of earthquake or vibration, the rotary plate effectively absorbs the vibration while rotating or tilting.

1 is a perspective view (A) and a front view (B) of an electric cabinet enclosure (1)
FIG. 2 is a perspective view of a preferred embodiment of the earthquake-proof apparatus 100 of the present invention. FIG.
3 is a front view of the earthquake-proof apparatus 100. Fig.
Fig. 4 is a configuration diagram of the earthquake-proof apparatus 100. Fig.
5 is a bottom perspective view (A) and a top perspective view (B) of the rotary plate 30. Fig.
6 is a configuration diagram of the link 20. Fig.
7 is an enlarged bottom plan view (A) of the rotary plate 30 and a top perspective view (B) of the bottom plan fastening plate 15. Fig.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

In addition, the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of explanation, and the present invention is not necessarily limited to those shown in the drawings. In the drawings, the thickness is enlarged to clearly show various parts and regions. In the drawings, for the sake of convenience, the thicknesses of some portions and regions are exaggerated.

More particularly, the present invention relates to a switchgear having a triaxial twisted seismic device. More particularly, the present invention relates to a switchgear having a triaxial twisted seismic device, And a three-axis twisted seismic device.

Disclosure of the Invention The present invention seeks to provide a seismic isolation device for an enclosure of a switchgear which is capable of absorbing vibrations in all directions in which an earthquake or shaking direction of a building is vertical, horizontal, vertical and horizontal combined.

In the present invention, the following solutions are disclosed.

When vertical vibration is generated,

First, the vibration is to be absorbed by the circular spring 40, the material formed by the hollow vertical support 13 and the vertical guide 33.

Second, it is desired to absorb vertical and vertical vibrations by means of the link 20 fastened in an oblique direction to the outer plate fastening plate 10 and the rotary plate 30.

When horizontal vibration occurs,

First, since the hollow vertical support 13 and the vertical guide 33 maintain a constant gap, they have a stopper function and a limit function.

Second, the link 20 having the buffer function absorbs the horizontal vibration while being pushed or contracted.

When vibrations in the vertical direction and the horizontal direction occur at the same time,

A combination of the components in the vertical direction and the horizontal direction as well as a combination of a rotation shaft 36 having a hemispherical end at the rotary plate 30 and a bottom surface coupling plate 15 having a hemispherical groove for supporting the rotary shaft 36 And the rotary plate 30 is inclined at a predetermined angle to absorb the composite vibration.

However, since an earthquake or a vibration of a building often proceeds only by vertical or horizontal vibration rather than a composite vibration, the angle of inclination of the rotary plate 30 is preferably at most 2 degrees.

1 is a perspective view (A) and a front view (B) of an enclosure 1 of a switchboard. As shown in FIG. 1, the vibration-proofing apparatus 100 of the present invention is generally installed between the bottom surface coupling portion 3 and the outer casing coupling portion 2.

3 is a front view of the earthquake-proof apparatus 100, FIG. 4 is a configuration diagram of the earthquake-proof apparatus 100, FIG. 5 is a perspective view of the rotation plate 30, Bottom perspective view (A) and upper perspective view (B).

The present invention relates to an earthquake-proof apparatus (100) for an electric distribution panel, wherein the earthquake-proof apparatus (100) comprises: a hole (12) fastened to a lower half of the enclosure (1) at one side thereof for fastening; (10) comprising a pad (11) and an articulating part (14) for connection with the link (20) at one or more lower sides; A spring for absorbing vibration while being guided by the vertical support 13 of the enclosure fastening plate 10 and the vertical guide 33 of the rotary plate 30 and located between the enclosure fastening plate 10 and the rotary plate 30, (40); A vertical guide 33 at an upper center portion of the upper end of the spring 40, an articulating portion 34 for connecting at least one link 20 to a lower edge of the upper end portion of the spring 40, And a rotating shaft (30) including a rotating shaft (36) at a lower center portion of the packing (31); A link 20 connecting the shafts 21 and the joints 22 at both ends of the shafts 21 to connect the shafts 10 and the shafts 30; A bearing 35 disposed between the rotating plate 30 and the bottom surface connecting plate 15 for smoothly rotating the rotating plate 30; A groove 18 for receiving the rotary shaft 36 and a pad 16 for absorbing vibrations at the lower end and a bottom surface including a hole for fastening the bottom surface, Wherein the end of the rotary shaft 36 is hemispherical and the groove 18 of the bottom surface coupling plate 15 is hemispherical in shape to cooperate with the rotary shaft 36. [ do.

The enclosure fastening plate 10 is preferably fastened to the bottom or bottom of the cabinet 1, but may be fastened to the base frame.

The enclosure fastening plate 10 has a pad 11 at an upper end thereof to have a segregation function capable of absorbing vibration.

Although the enclosure fastening plate 10 and the rotary plate 30 are described in a rectangular shape in the referenced drawings, they may be changed to a circular shape or a polygonal shape in some cases.

Preferably, the link 20 is fastened to the joint fastening portions 14 and 34 of the enclosure fastening plate 10 and the rotary plate 30. However, the joint fastening portions 14 and 34 may be replaced with fastening holes in some cases.

Fig. 6 is a configuration diagram of the link 20. Fig. 6 shows an embodiment in which the shaft of the link 30 is composed of a spring.

The link 20 is composed of a shaft 21 and joints 22 at both ends of the shaft 21.

It is preferable that the joint part 22 has a slip joint capable of responding to a change in angle, and has a structure capable of responding to an angle change when vibration occurs.

The shaft 21 of the link 30 has a structure function of connecting the rotary plate 30 and the enclosure coupling plate 10 as well as a function of absorbing vibration by having a function of expanding / desirable.

Therefore, in the present invention, in order to increase the vibration absorbing capability of the link 20, the shaft 21 of the link 20 is formed of any one of a pneumatic cylinder, an absorber, a damper, and a spring .

That is, the shaft 21 of the link 30 may be composed of an elastic member, a pneumatic cylinder, an absorber, a damper, a spring, or the like, or may be composed of one or more of the above components.

The shaft 21 of the link 30 has a structure capable of absorbing vibration in a vertical or horizontal vibration direction. The shaft 21 rotates while the shaft 21 is expanded and contracted, To absorb the vibration.

In the present invention, the link 20 is fastened to the outer joint fastening plate 10 and the joint fastening portions 14 and 34 of the rotary plate 30, and is fastened in an oblique direction in the fastening direction.

The inclined direction of the link 20 may be inclined in the same direction, but may be arranged in a zigzag inclined direction in some cases.

The inclination direction of the links 20 is changed according to the weight of the receptacle accommodated in the enclosure and the enclosure, and the quantity of the links 20 is also changed according to the weight.

The vertical support 13 of the enclosure fastening plate 10 preferably has a hollow state, and it is preferable that the vertical guide 33 is received in the hollow center. The vertical support 13 and the vertical guide 33 are preferably connected to each other while maintaining a predetermined gap therebetween. When the vertical support 13 moves up and down or horizontally due to the occurrence of vibration, the vertical guide 33 has a stopper function for limiting the direction in which the vertical support 13 is moved and a guide function for guiding the movement direction At the same time.

The gap formed between the vertical support 13 and the vertical guide 33 is also a space that can accommodate inclining the rotary plate at a certain angle.

The rotary plate (30) is fastened to the enclosure fastening plate (10) by a link (20). When vibration occurs, when the link 20 contracts or expands, the rotation plate 30 rotates or swings at a certain angle due to a link fastened in an inclined direction.

The rotary plate 30 has a vertical guide 33 at an upper center portion thereof, an articulation coupling portion 34 for connecting at least one link 20 to a lower edge thereof and a roller bearing 35 at a lower end thereof, A packing 31 having a receiving portion and a rotating shaft 36 at a lower center portion.

7 is an enlarged perspective view (A) of the bottom surface of the rotary plate 30 and a top perspective view (B) of the bottom surface fastening plate 15. FIG. 7, in the present invention, the end of the rotary shaft 36 is hemispherical in shape, and the groove 18 of the bottom surface coupling plate 15 is hemispherical in shape with the rotary shaft 36 do.

With the above-described configuration, the rotary shaft 36 having the hemispherical shape at the end has a tilting function to make the rotation of the rotary plate 30 smooth and to tilt the rotary plate at a certain angle.

It is preferable that the groove 18 of the bottom surface coupling plate 15 supports the rotation shaft 36 and includes an oil reservoir for smooth rotation. Further, since the groove 18 is a place where the load is concentrated, the groove 18 may be made of a material strengthening the surface hardness, or may be made of a material having a strengthened surface hardness.

The bearing (35) smoothly rotates the rotating plate (30).

Considering the weight of the switchboard, the bearing 35 is preferably formed in the form of a roller or a sliding bearing in order to disperse the weight to the rotating shaft.

The packing 31 of the rotary plate 30 has a function of preventing foreign matter from flowing into the bearing portion. The packing 31 is preferably made of a high elasticity and a soft material so that when the rotation plate 30 is tilted, the rotation plate is easily tilted and has an elastic force capable of returning to the original position.

As described above, the present invention is characterized by having an earthquake-resistant function capable of absorbing both vertical and horizontal vibration with a simple component.

1: enclosure, 2: enclosure fastening part, 3: sea surface fastening part,
10: enclosure fastening plate, 11: pad, 12: hole,
13: vertical support, 14: joint part, 15:
16: pad, 17: hole, 18: hemispherical groove,
20: link, 21: shaft 22: joint,
30: rotating plate, 31: packing, 32: surface hardness strengthening part,
33: vertical guide, 34: joint fastening part, 35: roll type bearing,
36: rotary shaft, 40: spring, 100: seismic device.

Claims (3)

In the earthquake-proof apparatus (100) of a power transmission /
The earthquake-proof apparatus (100)
A hole 11 for fastening to one side of the enclosure 1 and a pad 11 for absorbing vibration at an upper end of the enclosure 1; An outer fastening plate (10) including an articulating part (14);
A spring for absorbing vibration while being guided by the vertical support 13 of the enclosure fastening plate 10 and the vertical guide 33 of the rotary plate 30 and located between the enclosure fastening plate 10 and the rotary plate 30, (40);
A vertical guide 33 at an upper center portion of the upper end of the spring 40, an articulating portion 34 for connecting at least one link 20 to a lower edge of the upper end portion of the spring 40, And a rotating shaft (30) including a rotating shaft (36) at a lower center portion of the packing (31);
A link 20 connecting the shafts 21 and the joints 22 at both ends of the shafts 21 to connect the shafts 10 and the shafts 30;
A bearing 35 disposed between the rotating plate 30 and the bottom surface connecting plate 15 for smoothly rotating the rotating plate 30;
A pad 16 for absorbing vibrations at a lower end thereof, and a bottom surface coupling plate (not shown) for coupling the bottom surface and the hole, 15)
The end of the rotating shaft 36 is hemispherical,
Wherein the groove of the bottom surface fastening plate (15) has a hemispherical shape which cooperates with the rotation shaft (36).
In claim 1
The link (20) is fastened to the joint fastening portions (14, 34) of the enclosure fastening plate (10) and the rotary plate (30) and is fastened in an oblique direction in the fastening direction. .
The method according to claim 1,
In order to increase the vibration absorbing force of the link 20,
Wherein the shaft (21) of the link (20) is formed of any one of a pneumatic cylinder, an absorber, a damper, and a spring.

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