KR102115030B1 - Seismic reinforcement device - Google Patents

Abstract

The present invention relates to a seismic reinforcement device which is implemented to be able to protect an enclosure of a distribution facility such as a distribution panel and the like installed on a wall from an impact such as an earthquake and the like. The seismic reinforcement device comprises a vibration attenuation unit in which an elastic body having an interior penetrating in a vertical direction installed between an upper plate and a lower plate which are spaced apart from each other in the vertical direction, and which has two connection rings which has one end connected to each other in an inner space of the elastic body, and the other end penetrating the upper plate or the lower plate and exposed to the outside.

Description

Seismic reinforcement device {SEISMIC REINFORCEMENT DEVICE}

The present invention relates to a seismic reinforcing device, and more particularly, to a seismic reinforcing device implemented so as to protect the enclosure of a distribution room ratio such as a distribution panel installed on a wall from impact such as an earthquake.

2. Description of the Related Art In general, distribution equipment includes a water distribution panel installed on the exterior or interior of a building, and a distribution panel installed on a wall inside the building.

The switchgear is an electrical facility that safely supplies industrial power to users, and is a device used for monitoring, controlling, and protecting the electrical system when receiving and distributing power supplied from power plants or substations to consumers.

This switchgear consists of a structure for attaching and supporting unit devices, such as a breaker or a protective relay, and a collection of conductors that connect and connect the unit devices, and these various electrical devices are safely insulated and stored in a rectangular steel enclosure. to be.

In addition, the distribution panel is provided with a circuit breaker that is a switch for each branch circuit where the branch is separated from the main line from the main line to each branch circuit. The distribution panel of the house is a simple one by arranging and fixing a circuit breaker, which is a circuit breaker, but in the case of a building, a distribution panel made of steel is installed in the wall at least on each floor and has a complete opening and closing door.

When performing wiring inspection, repair, remodeling, etc. in a room, the branch switch in the room can be cut off from the distribution panel to cause a power failure. There is a smart distribution panel as a more advanced one, and the smart distribution panel is a more advanced distribution panel equipped with a state-of-the-art system capable of two-way communication by integrating communication devices, contributing to the convenience of life. According to the installation type, such a distribution panel may be classified into a buried distribution panel in which the distribution panel is buried in a wall, and an exposed distribution panel installed outside the wall.

Due to recent natural disasters such as earthquakes and typhoons, the collapse of structures and the resulting economic losses are increasing. Accordingly, efforts to secure the stability of structures are increasing worldwide. In particular, earthquake-resistant design standards have been strengthened in Korea because important structures such as power plants and bridges or large buildings such as high-rise buildings can cause enormous human damage and economic loss when destroyed.

When the intensity of the earthquake is below a certain level, the building itself may be healthy due to the vibration of the building, and various distribution facilities or objects therein may fall or be damaged while colliding with each other. In particular, the power distribution system such as a water distribution panel or a distribution panel is very vulnerable to mechanical structural strength because it is made of electrical components such as control circuits, elements, and switches that are susceptible to external vibration. Therefore, distribution equipment such as water distribution panels and distribution panels should be installed in an earthquake-proof structure to reduce the risk of damage due to vibration of buildings.

The conventional seismic device has a problem in that the bolt protrudes to the upper and lower ends, a connection ring is attached to the bolt, an anti-vibration rubber plate is installed, and a structure having an attachment plate and an inner cover is very complicated in structure and relatively complicated in manufacturing and assembly. . In addition, in the conventional seismic device, a pair of connecting rings are fixed by a support rod, and thus there is a problem in that it is impossible to adjust the spacing between the connecting rings.

On the other hand, the above-mentioned background technology is the technical information acquired by the inventor for the derivation of the present invention or acquired in the derivation process of the present invention, and is not necessarily a known technology disclosed to the general public before filing the present invention. .

Korean Registered Patent No. 10-1692918 Korean Registered Patent No. 10-1326806

One side of the present invention provides a seismic reinforcement device implemented to protect the enclosure of the distribution ratio, such as a distribution panel installed on the wall, from an impact such as an earthquake by easily adjusting the distance between the connecting rings using an elastic wall as well as a spring. do.

The technical problem of the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

The seismic reinforcing device according to an embodiment of the present invention is installed between the upper plate and the lower plate, which are spaced apart from each other in the vertical direction, and an elastic body is penetrated in the vertical direction, and one end of each is connected to each other in the inner space of the elastic body. Each other end penetrates the upper plate or the lower plate and includes a vibration damping unit having two links exposed to the outside.

In one embodiment, the vibration damping portion, the upper insertion groove is formed in a circular shape on the lower surface, the top plate in the form of a plate; A lower insert groove is formed in a circular shape on the upper surface, and is spaced apart from the lower side of the upper plate to be formed corresponding to the shape of the upper plate; A spring for absorbing shock by installing an upper or lower portion in the upper insertion groove or the lower insertion groove, respectively; A support tube formed inside an empty elastic tube and inserted into close contact with the inner space of the spring; An upper bolt having an upper end of a threaded form screw-connected to the upper plate, an upper end of which is exposed to the outside of the upper plate, and a lower portion of which an upper connecting ring of an empty square shape is formed is located in the inner space of the support tube; And the lower end of the threaded form is screwed to the lower plate, the lower end is exposed to the outside of the lower plate, the upper portion is formed with an empty rectangular lower linking ring is fastened with the upper connecting ring to the inner space of the support tube It includes a lower bolt located, the upper connecting ring or the lower connecting ring is inserted into each other's inner space and fastened to be disposed at right angles, and slides vertically along the inner space of each other, the upper connecting ring or the lower The connecting ring is provided with an auxiliary elastic body in the upper or lower space formed in a state in which it is engaged with other connecting rings so as to load the load in the opposite direction to move when sliding in the vertical direction along the inner space of each other, the support The tube forms a protrusion formed in correspondence with the shape of the space between the frames wound in a spiral form forming the spring along the outer surface, and the protrusion is formed between the frames of the spring when the spring vibrates in the vertical direction. It is inserted into the space between the frames so as to attenuate the vibration by supporting the, the support tube, the threads are formed along the outer surface of the upper and lower sides, respectively, the protrusion is a material that does not contract with the pressure in the vertical direction It is formed of a triangular shape that increases the height up and down while going from one side to the other side, a plurality of hollow grooves are formed in the left and right directions on the upper and lower portions, rollers are respectively installed in the hollow grooves, the upper plate or The lower plate forms an additional insertion groove for fastening the threads formed on the upper or lower portion of the support pipe on the surface facing the upper or lower portion of the support pipe, respectively, and the support pipe, the spring contracts between the frames When the protrusion is pushed against the frame and moves in one direction as the gap is narrowed, an elastic force can be applied to prevent the protrusion from moving.

According to one aspect of the present invention described above, it is made of a simple structure, thereby simplifying manufacturing and assembly, improving vibration resistance, improving operational stability, and smoothly adjusting the spacing between connecting rings, thereby improving installation and assembly convenience. Seismic settings can be made easily.

In addition, the shock absorber can be efficiently absorbed using various structures capable of absorbing shock, thereby providing improved seismic reinforcement performance.

1 is a view showing a schematic configuration of a seismic reinforcement device according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view of the vibration damping unit of FIG. 1.
3 is a view showing a connection relationship between the upper connection ring and the lower connection ring of FIG. 2.
FIG. 4 is a view showing another embodiment of the upper bolt and the lower bolt of FIG. 2.
5 is an exploded perspective view according to another embodiment of the vibration damping unit of FIG. 2.
6 is a view showing the protrusion of FIG. 5.
7 is a view showing a protrusion according to another embodiment.
8 is a view showing the connection structure of the support tube.
It is a figure explaining generation | occurrence | production of the load by a support pipe.
FIG. 10 is a view showing another embodiment of the auxiliary elastic body of FIG. 4.
FIG. 11 is a view showing the first plate of FIG. 10.
12 is a flowchart illustrating a method for manufacturing a plastic sheet for manufacturing the plastic sheet of the present invention.
13 is a view showing another embodiment of the vibration damping unit of FIG. 2.

For a detailed description of the present invention, which will be described later, reference is made to the accompanying drawings that illustrate, by way of example, specific embodiments in which the invention may be practiced. These examples are described in detail enough to enable those skilled in the art to practice the present invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, the specific shapes, structures, and properties described herein can be implemented in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. In addition, it should be understood that the location or placement of individual components within each disclosed embodiment can be changed without departing from the spirit and scope of the invention. Therefore, the following detailed description is not intended to be taken in a limiting sense, and the scope of the present invention, if appropriately described, is limited only by the appended claims, along with all ranges equivalent to those claimed. In the drawings, similar reference numerals refer to the same or similar functions throughout several aspects.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the drawings.

1 is a view showing a schematic configuration of a seismic reinforcement device according to an embodiment of the present invention.

Referring to Figure 1, the seismic reinforcing device according to an embodiment of the present invention, the inside is installed between the upper and lower plates spaced apart from each other in the vertical direction, the elastic body is penetrated in the vertical direction is installed, each end in the inner space of the elastic body It is connected to each other, and the other end includes a vibration damping unit 10 having two connecting rings that are exposed to the outside through the upper plate or the lower plate.

Each configuration of the vibration damping unit 10 according to the present invention will be described below in FIG. 2.

In the conventional seismic device, the bolt protrudes to the upper and lower ends, a connection ring is attached to the bolt, a vibration-proof rubber plate is installed, and a structure having an attachment plate and an inner cover is very structurally complicated, and manufacturing and assembly are relatively complicated and inconvenient. , There was a problem in that it is impossible to adjust the distance between the connection rings because a pair of connection rings are fixed by a support rod.

Accordingly, the seismic reinforcing device according to an embodiment of the present invention having the configuration as described above is made of a simple structure, easy to manufacture and assemble, improves seismic resistance, improves operational stability, and increases the connection between the connecting rings. As the gap is smoothly adjusted, the ease of installation and assembly is improved, and the seismic setting can be easily performed.

FIG. 2 is an exploded perspective view of the vibration damping unit of FIG. 1.

Referring to FIG. 2, the vibration damping unit 10 includes an upper plate 100, a lower plate 200, a spring 300, a support tube 400, an upper bolt 500 and a lower bolt 600.

The upper plate 100, the upper insertion groove 110 is formed in a circular shape on the lower surface, is formed in a flat plate shape, the lower plate 200 by the spring 300 and the support pipe 400 installed between the lower plate 200 ) Is spaced apart.

At this time, the top plate 100 may form at least one spiral hole corresponding to the thread of the upper bolt 500 so that the thread formed on the upper portion of the upper bolt 500 is inserted and exposed in the upper direction.

In FIG. 2, only the upper side of the upper plate 100 is shown, but the upper insertion groove 110 of the same shape as the lower insertion groove 210 is formed on the lower side of the upper plate 100 facing the lower insertion groove 210. Will be.

The lower plate 200 is formed with a lower insertion groove 210 in a circular shape on the upper surface, spaced apart from the lower side of the upper plate 100 by a spring 300 and a support tube 400, corresponding to the shape of the upper plate 100 Is formed.

In one embodiment, the upper plate 100 or the lower plate 200 may form at least one spiral hole forming a thread on the inner surface so that a bolt for fastening to the enclosure or wall is inserted and screwed.

Spring 300, the upper insertion groove 110 or the lower insertion groove 210, the upper or lower is respectively installed to absorb the shock, the support tube 400 formed in a shape corresponding to the shape of the inner space to be in close contact Is inserted.

Spring 300, the upper and lower insertion grooves 110 and the lower insertion groove 210 is inserted into the inside, and serves to elastically support between the ground and the main body or between the main body and the mounting plate. While acting to form a seismic resistance. In the spring 300, the elastic force is adjusted by the screw coupling intervals of the lower bolts 200 and the upper bolts 500 to the lower plate 200 and the upper plate 100, and accordingly, the pressing elastic force of the spring 300 By this, the seismic performance of the device, that is, the force to withstand earthquakes is controlled. Therefore, the user can control the seismic performance by adjusting the arrangement spacing of the lower plate 200 and the upper plate 100 by the lower bolt 600 and the upper bolt 500 according to the size or weight of the distribution facility.

The support tube 400 is formed in an empty tube shape of an elastic material such as a urethane rubber material, and is tightly inserted into the inner space of the spring 300, and the upper bolt 500 and the lower bolt 600 in the inner space. Will be located.

At this time, the support tube 400, in particular, elastically supports the inner side of the spring 300 vertically, so that the elastic behavior of the spring 300 is stably achieved, while riding between the upper plate 100 and the lower plate 200. It supports sexually and serves to form a seismic resistance together with the spring 300.

The upper bolt 500, the upper end of the threaded form is screwed to the spiral hole of the top plate 100, the upper end is exposed to the outside of the top plate 100 is fixed by a bolt, the inside of the upper connection ring of an empty square shape The lower portion where the 510 is formed is located in the inner space of the support pipe 400,

The lower bolt 600, the lower end of the threaded form is screwed with the lower plate 200, the lower end is exposed to the outside of the lower plate 200 and fixed by a bolt, and the inside is an empty square-shaped lower connecting ring 610 The formed upper portion is fastened with the upper connection ring 510 and is located in the inner space of the support pipe 400.

3 is a view showing a connection relationship between the upper connection ring and the lower connection ring of FIG. 2.

Referring to FIG. 3, the upper connecting ring 510 or the lower connecting ring 610 is inserted into each other's inner spaces and intersected and fastened so as to be perpendicular to each other due to pressure transmitted from the upper side or the lower side. Accordingly, it slides in the vertical direction (in the direction of the arrow in FIG. 3) to contract or stretch.

The vibration damping unit 10 having the above-described configuration has a simple structure, which makes it easy to manufacture and assemble, improves seismic resistance, improves operational stability, and smoothly adjusts the spacing between the connecting rings to install and assemble. As the convenience of the top is improved, the seismic setting can be made easily.

In addition, the shock absorber can be efficiently absorbed using various structures capable of absorbing shock, thereby providing improved seismic reinforcement performance.

FIG. 4 is a view showing another embodiment of the upper bolt and the lower bolt of FIG. 2.

Referring to FIG. 4, the upper connection ring 510 or the lower connection ring 610 is fastened with other connection rings so that loads can be applied in opposite directions to move when sliding in the vertical direction along the inner space of each other. The auxiliary elastic body 700 is provided in the upper or lower space formed in the state.

That is, the auxiliary elastic body 700, when the upper and lower lengths of the upper connecting ring 510 or the lower connecting ring 610 contracts, prevents the upper connecting ring 510 from descending in the downward direction, or the lower connecting ring By preventing the 610 from moving up and down, the movement between the connecting rings is stopped to absorb the shock additionally with the spring 300 and the support tube 400 that absorb the shock.

5 is an exploded perspective view according to another embodiment of the vibration damping unit of FIG. 2.

5, the vibration damping unit 20 according to another embodiment, the upper plate 100, the lower plate 200, the spring 300, the support pipe 400, the upper bolt 500, the lower bolt 600 ) And protrusions 800. Here, the upper plate 100, the lower plate 200, the spring 300, the support tube 400, the upper bolt 500 and the lower bolt 600, the same as the components of Figure 2, the description thereof will be omitted.

The support tube 400 forms at least one protrusion 800 formed in correspondence with the shape of the space between the frames wound in a spiral form forming the spring 300 along the outer surface.

Here, the protrusion 800 is inserted into the space between the frames so as to support vibration between the frames of the spring 300 when the spring 300 vibrates in the vertical direction, as shown in FIG. 6, to damp vibration.

At this time, the protrusion 800 is formed of a material having the same elasticity as the support tube 400, so that shock or vibration can be absorbed by supporting the elastic force in the vertical contraction by the frame.

Hereinafter, another embodiment of the protrusion 800 will be described.

For the projecting portion 800 according to another embodiment, the support pipe 400 is formed with threads 410 along the upper and lower outer surfaces, respectively, and formed on the lower or upper side of the upper plate 100 or the lower plate 200. Fastened to the additional insertion groove (120, 220) (see Fig. 8).

Referring to FIG. 7, the protrusion 800 according to another embodiment is formed of a material that is not contracted by pressure in the vertical direction, and is formed in a triangular shape in which the vertical height increases as it goes from one side to the other, upper and lower A plurality of hollow grooves 810 are formed in the left and right directions, and rollers 820 may be respectively installed in the hollow grooves 810.

In addition, referring to FIG. 8, the upper plate 100 or the lower plate 200 fastens a thread 410 formed on the upper or lower portion of the support pipe 400 on a surface facing the upper or lower portion of the support pipe 400. To insert additional grooves 120 and 220 may be formed, respectively.

Referring to FIG. 9, when the spring 300 contracts and the gap between the frames narrows, the support pipe 400 moves to the projection 800 with elastic force when the projection 800 is pressed against the frame and moves in one direction. You can put a load to prevent it.

That is, when the force (P1, P2) to contract the projection 800 from the upper and lower directions of the projection 800 of FIG. 9 is transmitted, due to the features of the shape of the projection 800, the projection 800 is up and down height Receives a force (ie P3) that moves to the widest side.

At this time, the protrusion 800 is, as the frictional force between the upper surface or the lower surface and the surface of the spring 300 opposed thereto by the plurality of rollers 820 installed on the upper and lower sides is minimized, the movement in the P3 direction is more It can be done smoothly.

When the protrusion 800 moves in the P3 direction, the support tube 400 formed of an elastic material contracts the spring 300 as it provides force in the P4 direction, which is the direction opposite to the moving direction of the protrusion 800. It can be prevented and absorbed by shock or vibration transmitted to the spring 300.

FIG. 10 is a view showing another embodiment of the auxiliary elastic body of FIG. 4.

Referring to FIG. 10, the auxiliary elastic body 700 includes a support part 710, a plurality of vibration absorbing parts 720, a plurality of connecting plates 730, a plurality of extension plates 740, and four rotating parts 750 ) And two support bars 760.

The support part 710 includes a first plate 711, a second plate 712, a third plate 713 and a fourth plate 714 formed of a “b” type plate.

At this time, the first plate 711, the second plate 712, the third plate 713, and the fourth plate 714 are arranged to be spaced apart from each other so as to face each other, thereby forming a “+” shape as a whole. The vibration absorbing unit 720 is installed in each spaced space to absorb vibration transmitted to each plate.

The vibration absorber 720 is installed between each plate of the support portion 710 and another plate to absorb vibration.

In one embodiment, the vibration absorbing unit 720 may be formed by means of an elastic material such as a spring or rubber capable of absorbing shock, provided that it is a material that absorbs shock, regardless of its name. This will be possible.

The connecting plate 730 is between the top of the first plate 711 and the top of the second plate 712, between the front end of the second plate 712 and the front end of the third plate 713, the third plate 713 ) Between the lower portion of the lower portion and the fourth plate 714, and between the front end of the fourth plate 714 and the front end of the first plate 711, the first plate 711 is installed to be rotatable, respectively. The second plate 712, the third plate 713, and the fourth plate 714 are connected and installed in a “+” form.

That is, the connection plate 730 may not only be able to form an overall appearance by interconnecting the top, bottom, or front end of each plate, but also rotate each connection portion to respond to external vibrations or shocks. By adjusting the connection angle, vibration or shock can be absorbed more efficiently.

That is, when the first plate 711, the second plate 712, the third plate 713, and the fourth plate 714 are fixedly installed by the connection plate 730, external vibration or shock to some extent. It will be able to withstand, but if a critical vibration or a critical shock is applied, it will not be able to withstand it, and the connection plate 730 installed in each plate will be damaged and will not be able to perform its original function.

Accordingly, the connection plate 730 according to the present invention, by connecting the first plate 711, the second plate 712, the third plate 713 and the fourth plate 714 to a certain extent possible , It is possible to maintain the fastening to vibration or shock more efficiently than in the case described above.

The extension plate 740 includes an upper portion of the first plate 711 (that is, an upper blade) and a front end (ie, a shear blade), an upper and front end of the second plate 712, and a front end of the third plate 713. The lower portion and the fourth plate 714 extend from the lower portion and the front end of the plate to the rotating portion 750 for each plate in the upper or lower direction.

In one embodiment, the extension plate 740 may be rotated by connecting an upper or lower portion to a rotation shaft formed on one side of the rotation unit 750.

In one embodiment, the extension plate 740, the second upper fastening groove (7113) or the second upper fastening groove (7113) or the second front fastening groove (7115) so that the sliding movement in the vertical direction can be A sliding groove 741 (see FIG. 11) in the vertical direction may be formed in a lower portion connected to the front end fastening groove 7115.

Rotating portion 750, the upper or lower portions of the two extension plates 740 extending from each plate are connected to each other and rotatably installed, and installed on each inner surface of the support bars 760 facing each other ( For example, fastening means such as screw bolts, welding or rivets) are used.

The support bar 760 is provided with an upper side or a lower side of the rotating part 750 and supports the upper side or the lower side of each space in the lower space of the upper connecting ring 510 or the upper space of the lower connecting ring 610. And, it is supported by the rotation unit 750 to form a space spaced apart in the vertical direction so that each component of the auxiliary elastic body 700 is installed.

The auxiliary elastic body 700 having the configuration as described above, when the connection length between the upper connecting ring 510 and the lower connecting ring 610 contracts, prevents the upper connecting ring 510 from descending in the downward direction Or, by preventing the lower connecting ring 610 from ascending upward, the shock is absorbed.

FIG. 11 is a view showing the first plate of FIG. 10.

Referring to FIG. 11, the first plate 711 includes a plate body 7111, two first upper fastening grooves 7112, a second upper fastening groove 7113, and two first front fastening grooves 7114 And a second shear fastening groove 7115.

The plate body 7111 is formed of a “b” type plate, and forms two first upper fastening grooves 7112 and second upper fastening grooves 7113 on the upper wings, and two first on the front wings. The shear fastening groove 7114 and the second shear fastening groove 7115 are formed.

The first upper fastening groove 7112 is formed on the upper wing of the plate body 7111 formed in the upper direction and is connected to the front end of the connecting plate 730 so as to be rotatable.

The second upper fastening groove 7113 is formed between the first upper fastening groove 7112 and connected to the lower portion of the extension plate 740 so as to be rotatable.

The first front end fastening grooves 7114 are formed on the front end blades of the plate body 7111 formed in the front end direction, and are connected to the upper portions of the connection plates 730 so as to be rotatable.

The second front end fastening groove 7115 is formed between the first front end fastening groove 7114 and is connected to the lower portion of the extension plate 740 so as to be rotatable.

In one embodiment, the extension plate 740, the second upper fastening groove (7113) or the second upper fastening groove (7113) or the second front fastening groove (7115) so that the sliding movement in the vertical direction can be A sliding groove 741 in the vertical direction may be formed in a lower portion connected to the front end fastening groove 7151.

In addition, the connecting plate 730 may also form a sliding groove having the same structure as the sliding groove 741 of the extension plate 740 described above.

The first plate 711 having the above-described configuration can be equally applied to the second plate 712, the third plate 713, or the fourth plate 714 that differs only in the installation position. Description of the second plate 712, the third plate 713 or the fourth plate 714 will be omitted.

The support bar 760 of FIG. 10 according to the present invention may have an outer shape made of a plastic sheet having excellent moldability and durability, compared to a plastic sheet manufactured using PET resin alone.

The plastic sheet according to the present invention is produced by the following plastic sheet manufacturing method.

Referring to Figure 12, the plastic sheet manufacturing method for manufacturing the plastic sheet of the present invention is polyethylene terephthalate (polyethylene telephthalate, PET) resin 100 parts by weight, polyurethane (polyurethane) dispersant 2-4 parts by weight, polyethylene dioxycy 0.1 to 0.2 parts by weight of polyethylene dioxythiophene polystyrene sulfonate, polystyrolsulfonic acid, 3 to 5 parts by weight of N-methyl-2-pyrrolidone, tri A first step of preparing a mixed composition by mixing 0.1 to 0.3 parts by weight of ethyl amine, 42 to 45 parts by weight of isopropyl alcohol and 50 to 52 parts by weight of water (S110); A second step of preheating the mixed composition (S120); A third step of removing moisture of the preheated mixed composition (S130); A fourth step of heating the mixed composition from which the moisture is removed (S140); A fifth step of removing foreign substances from the heated mixed composition (S150); A sixth step (S160) of manufacturing a plastic sheet by stretching while cooling the mixed composition from which the foreign matter has been removed; And a seventh step (S170) of drying after applying silicone to the plastic sheet.

In the present invention, various additives are mixed with a conventional PET resin, and a plastic sheet having excellent moldability and durability can be manufactured through preheating, dehumidification, heating and cooling.

The first step (S110), as a mixing step of the raw material, a polyethylene terephthalate (polyethylene telephthalate, PET) resin as a base resin, a polyurethane (polyurethane) dispersant, polyethylene dioxythiophene polystyrene sulfonate (polyethylene dioxythiophene polystyrene sulfonate ), Polystyrolsulfonic acid, N-methyl-2-pyrrolidone, triethyl amine, isopropyl alcohol and water It is a step.

PET resin is a basic resin, which has excellent thermal stability and high crystallinity, can be recycled, and can be used in the form of a masterbatch. The polyurethane dispersant serves to improve the miscibility with other components. Polyethylene dioxythiophene polystyrene sulfonate, polystyrolsulfonic acid, N-methyl-2-pyrrolidone and triethyl amine Functions as an antistatic agent. Since the plastic sheet for manufacturing a plastic container is generally an electrical insulator, static electricity is generated by frictional charging, and if severe due to discharge or electric conduction, it may lead to an accident such as explosion or fire, so it is preferable to add a charging agent. . Isopropyl alcohol functions as an antifogging agent. When the plastic container is manufactured using a plastic sheet, the antifogging agent can suppress water droplet condensation caused by water vapor that may occur when storing fruits and the like.

In one embodiment, the above-mentioned raw materials are polyethylene terephthalate (polyethylene telephthalate, PET) resin 100 parts by weight of polyurethane, polyurethane (polyurethane) dispersant 2-4 parts by weight, polyethylene dioxythiophene polystyrene sulfonate (polyethylene dioxythiophene polystyrene sulfonate ) 0.1 to 0.2 parts by weight, 0.4 to 0.6 parts by weight of polystyrolsulfonic acid, 3 to 5 parts by weight of N-methyl-2-pyrrolidone, triethyl amine (triethyl) It is preferable to mix 0.1 to 0.3 parts by weight of amine, 42 to 45 parts by weight of isopropyl alcohol and 50 to 52 parts by weight of water. When added outside the above-described range, various problems may occur. In particular, in the case of an antistatic agent, when mixed beyond each range, the surface of the plastic to be produced may be sticky, and sealing and printability may be deteriorated, and in the case of white plastic, yellowing may occur.

In addition, the first step (S110), it is possible to further mix various additional components to the raw materials to enhance the functionality of the plastic sheet.

In one embodiment, the boron-based binder may be further mixed. The boron (B) -based binder is used to bond each component, and the boron-based binder is preferably mixed in 2 to 10 parts by weight with respect to 100 parts by weight of the PET resin. When the content of the boron-based binder is less than 2 parts by weight, raw materials and the like cannot be effectively combined, and when the content of the boron-based binder exceeds 70 parts by weight, it is uneconomical.

In one embodiment, the garlic extract may be further mixed. Garlic extract is a natural adhesive component, and functions as a binder to improve the mixing property with other components along with the boron-based binder. After the garlic extract is peeled and crushed, 2 to 3 parts by weight of water is added per 1 part by weight of garlic, heated at 80 to 100 ° C for 5 hours or more, and the liquid component is extracted and filtered, followed by filtration. It can be prepared by concentrating the liquid component at 55 ~ 60 ℃. The garlic extract is preferably mixed in 5 to 10 parts by weight with respect to 100 parts by weight of the PET resin. When the content of the garlic extract is less than 5 parts by weight, the ingredients may not be properly entangled so that the surface may not be evenly formed when manufacturing the plastic sheet, and when it exceeds 10 parts by weight, the dispersibility and mixing property of each component is rather There is a risk of deterioration.

In one embodiment, apatite powder may be further mixed. The apatite powder functions as a filler, and can maintain the shape of the plastic sheet to improve workability and maintain strength and corrosion resistance. Apatite is an inorganic substance present in the bone. In order to use it as a filler, it is important to have a small particle size, a high amount of carbonic acid remaining, and low crystallinity. Preferably, the size of the apatite granules is 200-400 μm. For this, it is important to go through the sintering process at 500 ~ 700 ℃. When sintering at less than 500 ° C, there is a disadvantage that the desired size and crystallinity of the granules cannot be obtained, and when sintering above 700 ° C, the residual amount of carbonic acid groups is low and the crystallinity is too high. It is preferable that the apatite powder is mixed in 20 to 30 parts by weight with respect to 100 parts by weight of the PET resin. When the content of the apatite powder is less than 20 parts by weight, there is a disadvantage that the adhesive strength is lowered, and when it exceeds 30 parts by weight, the impact resistance is weakened.

In one embodiment, cork powder may be further mixed. Cork powder together with apatite powder can improve the durability of the plastic sheet. Cork powder can be prepared by removing the husk of an oleander and crushing it. It is preferable to use finely pulverized particles filtered through a mesh of 400 mesh or more for mixing property with PET resin. Cork powder is preferably mixed in 15 to 25 parts by weight with respect to 100 parts by weight of PET resin. When the cork powder is less than 15 parts by weight, the degree of improvement in durability is negligible, and when it exceeds 25 parts by weight, voids may be formed inside the plastic during manufacturing, so durability may be deteriorated.

In one embodiment, the lasso extract may be further mixed. The conch extract not only acts as an antimicrobial agent, but also suppresses the yellowing that can occur on white plastic sheets. Rusx (Rumex crispus) is a plant of the genus Rumex in the family of the family Mardiaceae. Soraenggi is a perennial plant that grows well in humid places all over the country, and uses young shoots for food in the private sector. It is used as an auxiliary treatment for tumors and cancer. The extract of the conch extracted from the conch has antibacterial and anti-oxidant effects on various microorganisms, and when used in combination with a small amount of sulfur, it has an excellent effect on itching of the skin. It is reported that saponins, tannins, flavonoids, essential oils, and anthraquinone derivatives such as chrysophanol and emodin exist as useful components of known sounders. After washing the collected small lasso well, dry it in the shade and break it into two parts: the upper part (except the root) and the underground part (the root part), and shred it. For 80 days (v / v) methanol in extraction solvent for 3 days After immersion, the extract is filtered with a membrane filter (porosity of 0.5 μm) to separate solids, and the methanol extract can be prepared by concentration at 50 ° C. using a rotary evaporator. It is preferable that the conch extract is mixed in 3 to 8 parts by weight with respect to 100 parts by weight of the PET resin. When the content of the conch extract is less than 3 parts by weight, the antibacterial effect is insignificant to prevent yellowing, and when it exceeds 8 parts by weight, it is uneconomical.

The second step (S120) is a step of preheating the mixed composition, and the raw materials are stably mixed primarily by applying heat to the mixed raw materials.

The third step (S130) is a dehumidifying step of removing moisture present in the preheated mixed composition, and dehumidification is preferably performed in a temperature range of 150 to 180 ° C. If it is less than or exceeding the above range, dehumidification may not be sufficiently performed, or it may adversely affect the durability of the plastic.

The fourth step (S140) is a step of heating the mixed composition from which moisture is removed, and after melting the mixed composition, the heating temperature is preferably controlled at 260 to 270 ° C to maintain.

The fifth step (S150) is a step of removing foreign substances in the heated mixed composition, and may remove a foreign substance that is a problem inside the mixed composition by passing through a screen in a mesh form.

The sixth step (S160) is a step of preparing a plastic sheet by stretching while cooling the mixed composition from which the foreign matter has been removed, and stretching it in two stages using a cooling roll. The primary stretching is made in the longitudinal direction through a cooling roll maintained at 16-17 ° C, and the secondary stretching is made in the width direction (vertical direction in the longitudinal direction) through a cooling roll maintained at 20-23 ° C. The reason why the temperature of the secondary stretching is higher than the temperature of the primary stretching is to prevent the molded plastic sheet from drying and deteriorating the moldability, and the durability and formability of the plastic sheet are improved by alternately stretching the longitudinal direction and the width direction. I can do it.

The seventh step (S170) is a step of applying the silicone to the plastic sheet and then drying the same, and applying the silicone to finish, and at the same time, obtain an antistatic effect. It is preferable to apply the silicone using a coating solution diluted in a concentration range of 5 to 25%, apply the silicone, and then dry at 160 to 215 ° C. In addition, it is preferable to mix the above-described anti-fogging agent component in the coating liquid containing silicone in order to suppress the moisture phenomenon formed inside the manufactured plastic container.

Hereinafter, the configuration of the present invention and its effects will be described in more detail through specific examples and comparative examples. However, the present examples are intended to illustrate the present invention in more detail, and the scope of the present invention is not limited to these examples.

[Examples and Comparative Examples]

After preparing the mixed composition according to the composition of Table 1, preheating, dehumidification, heating, foreign matter removal, cooling and stretching, and drying steps to prepare a plastic sheet to prepare examples and comparative examples. Commercially available materials were used for each material, and in the case of garlic extracts and conch extracts, they were prepared as described in the detailed description of the invention.

[Table 1]

[Experimental Example 1]

The compositions of Examples 1 to 3 and Comparative Examples were stretched a second time to prepare a plastic sheet having a thickness of 10 mm, and the uniformity of the sheet surface was measured and described in Table 2 below. At this time, the primary stretching was 16 ° C, and the secondary stretching was 21 ° C. Uniformity was measured using a laser sensor (N2 laser, oscillation wavelength 337.1 nm, UDHO Laser. LTD., Japan), and 30 points were randomly selected to measure their surface roughness (standard deviation was used). , ± 0.3 or less was evaluated to be uniform, and more than ± 0.3 was evaluated to be non-uniform). At this time, Examples 1 to 3 were stretched in the longitudinal direction, and then stretched in the width direction, and the comparative example was stretched only in the longitudinal direction.

[Table 2]

As shown in Table 2, in the case of Examples 1 to 3, all of the uniformity was better than the comparative example.

[Experimental Example 2: Torsion test]

After the composition of Examples 1 to 3 and Comparative Example were drawn twice, a plastic sheet having a thickness of 2 mm was produced, and then molded to prepare 100 plastic products, and the completeness was evaluated, and the results are shown in Table 3 below. At this time, Examples 1 to 3 were stretched in the longitudinal direction, and then stretched in the width direction, and the comparative example was stretched only in the longitudinal direction.

[Table 3]

As shown in Table 3, in the case of Examples 1 to 3, 90% or more of the normal product could be produced, but the comparative example had a relatively high defect rate.

[Experimental Example 3: Yellowing Test]

After the composition of Examples 1 and 3 was stretched a second time to prepare a plastic sheet having a thickness of 2 mm, 100 white plastic products were produced by molding, and after 10 months, discoloration was visually observed. Did. At this time, what was changed to yellow was evaluated as defective.

[Table 4]

As shown in Table 4, in the case of Example 3, it was confirmed that almost all products were not discolored. On the other hand, Example 1 obtained good results, but the discoloration rate was relatively higher than Example 3.

[Experimental Example 4: Anti-fog test]

After the composition of Comparative Example and Example 3 was stretched a second time, a plastic sheet having a thickness of 2 mm was produced, and then molded to prepare 100 white plastic products, and after storing spinach therein, the inside was observed with the naked eye after 1 day. It was shown in Table 5 below.

[Table 5]

As shown in Table 5, in the case of Example 3, almost no water droplets were formed, but in the Comparative Example, it was confirmed that water droplets of the degree to be identified with the naked eye were formed.

The support bar 760 made of the plastic sheet of the above-described quality may have excellent moldability and improved durability, compared to the case of using PET resin alone.

Accordingly, when the support bar 760 is worn or damaged due to continuous vibration, it is possible to ensure continuous use of the device by easily re-manufacturing and replacing the plastic sheet.

13 is a view showing another embodiment of the vibration damping unit of FIG. 2.

13, the vibration damping unit 30 according to another embodiment, the upper plate 100, the lower plate 200, the spring 300, the support tube 400, the upper bolt 500, the lower bolt ( 600) and load distribution unit 900. Here, the upper plate 100, the lower plate 200, the spring 300, the support tube 400, the upper bolt 500 and the lower bolt 600, the same as the components of Figure 2, the description thereof will be omitted.

The load dispersing unit 900 is a structure that is installed on an upper portion of the upper bolt 500 or a lower portion of the lower bolt 600 to support the present invention from a wall or the like, and a ball housing in which a hollow portion 915 is provided ( 910), having a plurality of small balls 920 for support placed in the hollow portion 915 and a fixing bolt 946 extending upwardly from the center of the ground plane 945 and the ground plane 945 on the top Ground ball 940.

13 illustrates a structure in which the load dispersing part 900 is installed under the lower bolt 600, but the load dispersing part 900 in the opposite direction to the configuration of FIG. 13 is installed on the upper part of the upper bolt 500. ) May be installed.

The load dispersing unit 900 may distribute and partially absorb the load applied from the wall, thereby transmitting a load q smaller than the load P applied from the wall.

The load dispersing unit 900 distributes the load applied from the outside of the ball housing 910, that is, the wall, from the inside of the ball housing 910, and finally, the load less than the load applied by the ball housing 910 from the outside. To deliver. The load applied from the outside of the ball housing 910 is distributed by a plurality of supporting small balls 920 and ground balls 940 located in the hollow portion 915, and a portion of the load is part of the ball housing 910. Dispersed while pressing the inner wall, the remaining load can be transferred to the outside of the ball housing (910).

The ball housing 910 may be fixedly installed on the wall using concrete or the like, and a hollow portion 915 in which a plurality of small balls 920 for support and ground balls 940 are accommodated may be provided therein. .

Ball housing 910 is a material having a certain strength, such as iron, concrete, wood, plastic, etc. in order to support the load distributed by the action between the plurality of small balls 920 and ground balls 940 disposed therein It can be made of.

The shape of the ball housing 910 may be formed in various shapes such as a polyhedron, a sphere shape, etc. However, the hollow portion 915 may be formed in a sphere shape corresponding to the shape of the ground ball 940.

The plurality of small balls 920 for support and the ground ball 940 may be accommodated in the hollow portion 915 and may be formed in a spherical shape.

The plurality of small balls 920 for support may be accommodated by being regularly arranged to contact each other along the outer circumferential surface of the hollow portion 915. The ground ball 940 may be accommodated in the hollow portion 915 while being placed on the plurality of small balls 920 for support and supported in a point-contact state to the plurality of small balls 920 for support.

As described above, the plurality of small balls for support 920 and the ground ball 940 are regularly arranged so that the outer circumferences are in contact with each other, and external loads are generated by contact points between the plurality of small balls for support 920 and the ground ball 940. Distribution of the external load may occur while pressing the inner wall of the hollow portion 915, that is, the ball housing 910, which is transmitted and finally positioned at the outermost side. At this time, in this embodiment, a plurality of small balls for support is arranged by regularly arranging the plurality of small balls for support 920, and the ground ball 940 is placed on the plurality of small balls for support 920. By increasing the number of contact points between the 920 and the ground ball 940 and regularizing the load transmission, it is possible to increase the load transmission effect between each other. In addition, the ground ball 940 is supported in a point-contact state by a plurality of small balls 920 for support, thereby minimizing wear.

The plurality of small balls 920 for support and the ground ball 940 may be made of a material having strength capable of withstanding the load due to the contact point between each other, for example, iron, concrete, wood, plastic, or the like. have.

Meanwhile, the ground ball 940 may have a ground plane 945 on the top. A fixing bolt 946 is installed in the center portion of the ground plane 945 to be inserted under the upper or lower bolt 600 of the upper bolt 500 and the upper or lower portion of the upper bolt 500 in the ground ball 940. The lower portion of the bolt 600 may be supported on a wall or the like.

At this time, the fixing bolt 946, without forming a separate protrusion on the outside, but may be formed in a fine pattern, by forming a thread along the outer surface (i.e., like a peg nail, etc.), the upper bolt 500 It would be desirable to make the lower portion of the upper or lower bolt 600 tighten more strongly.

As described above, the load dispersing unit 900 may be installed at the upper portion of the upper bolt 500 or the lower portion of the lower bolt 600 to support the present invention in a wall or the like to ensure support stability.

The above-described embodiments are for illustration only, and those having ordinary knowledge in the technical field to which the above-described embodiments belong can easily be modified into other specific forms without changing the technical idea or essential features of the above-described embodiments. You will understand. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope to be protected through the present specification is indicated by the claims, which will be described later, rather than the detailed description, and should be interpreted to include all modified or modified forms derived from the meaning and scope of the claims and the equivalent concept. .

10, 20, 30: vibration damping part 100: top plate
110: upper insertion groove 120: additional insertion groove
200: lower plate 210: lower insertion groove
220: additional insertion groove 300: spring
400: support tube 410: thread
500: upper bolt 510: upper connecting ring
600: lower bolt 610: lower connecting ring
700: auxiliary elastic body 710: support
720: vibration absorbing portion 730: connecting plate
740: extension plate 750: rotating section
760: support bar 800: protrusion
810: hollow groove 820: roller
900: load balancer 910: ball housing
920: small ball for support 940: ground ball

Claims (2)

Between the upper plate and the lower plate, which are spaced apart from each other in the vertical direction, an elastic body having an interior penetrating in the vertical direction is installed, and one end is connected to each other in the inner space of the elastic body, and the other end penetrates the upper plate or the lower plate and is external. Includes a vibration damping unit having two connecting rings exposed to,
The vibration damping portion, the upper insertion groove is formed in a circular shape on the lower surface, the top plate in the form of a flat plate; A lower insert groove is formed in a circular shape on the upper surface, and is spaced apart from the lower side of the upper plate to be formed corresponding to the shape of the upper plate; A spring for absorbing shock by installing an upper or lower portion in the upper insertion groove or the lower insertion groove, respectively; A support tube formed inside an empty elastic tube and inserted into close contact with the inner space of the spring; An upper bolt having an upper end of which is screwed into the upper plate and screwed to the upper plate, and an upper end of which is exposed to the outside of the upper plate, and an upper portion having an empty rectangular upper connecting ring is positioned in an inner space of the support tube; And the lower end of the threaded form is screwed to the lower plate, the lower end is exposed to the outside of the lower plate, the upper portion is formed with an empty rectangular lower linking ring is fastened with the upper connecting ring to the inner space of the support tube Includes the lower bolt located,
The upper connecting ring or the lower connecting ring is inserted into each other's inner space and fastened to be disposed at right angles, and slides vertically along each other's inner space,
The upper connecting ring or the lower connecting ring, the auxiliary elastic body in the upper or lower space formed in the state of being engaged with the other connecting ring so as to load the load in the opposite direction to move when sliding in the vertical direction along the inner space of each other Equipped with,
The support tube is formed along the outer surface of the protrusion formed corresponding to the shape of the space between the frame wound in a spiral form forming the spring,
When the spring vibrates in the vertical direction, the protrusion is inserted into a space between the frames so as to attenuate vibration by supporting between the frames of the spring.
The support tube, the threads are formed along the outer surface of the upper and lower sides, respectively
The protrusion is formed of a material that is not contracted by pressure in the vertical direction, and is formed in a triangular shape in which the vertical height increases as it goes from one side to the other, and a plurality of hollow grooves are formed in upper and lower directions in the left and right directions, respectively. Rollers are respectively installed in the hollow grooves,
The upper plate or the lower plate respectively forms additional insertion grooves for fastening threads formed on the upper or lower portion of the support pipe on the surface facing the upper or lower portion of the support pipe,
The support pipe, when the protrusion is pressed in the frame and moves in one direction as the gap between the frames narrows due to the spring contracting, applies a load that prevents the protrusion from moving with the elastic force,

The upper connecting ring or the lower connecting ring, the auxiliary elastic body in the upper or lower space formed in the state of being engaged with the other connecting ring so as to load the load in the opposite direction to move when sliding in the vertical direction along the inner space of each other Equipped with,
The auxiliary elastic body includes a first plate, a second plate, a third plate, and a fourth plate formed of a “b” type plate, and a support portion forming an external shape of a “+” shape; A vibration absorber installed between the plate of the support portion and another plate to absorb vibration; Between the top of the first plate and the top of the second plate, between the front end of the second plate and the front end of the third plate, between the bottom of the third plate and the bottom of the fourth plate, and the fourth plate A connection plate installed two between each of the front end and the front end of the first plate to connect and install the first plate, the second plate, the third plate and the fourth plate; And two plates for each plate extending upward or downward from the upper and front ends of the first plate, the top and front ends of the second plate, the front and bottom ends of the third plate, and the bottom and front ends of the fourth plate. It includes; an extension plate;
The first plate, the plate body formed of a "b" type plate; Two first upper fastening grooves formed on the upper wings of the plate body formed in an upward direction and connected to each other so as to be able to rotate the front end of the connection plate; A second upper fastening groove formed between the first upper fastening grooves and connected to the lower portion of the extension plate so as to be rotatable; Two first front end fastening grooves formed on front end wings of the plate body formed in the front end direction to connect and install the tops of the connection plates so as to be rotatable; And a second front end fastening groove formed between the first front end fastening grooves and connected to the lower portion of the extension plate so as to be rotatable.
The extension plate, in the vertical direction to the lower portion connected to the second upper fastening groove or the second shear fastening groove so that the second upper fastening groove or the second shear fastening groove can be sliding in the vertical direction. Seismic reinforcement device forming a sliding groove.
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