Seismic isolation device

Abstract

The present invention provides a seismic isolation device with high seismic isolation efficiency, which can reduce costs and greatly reduce the outer shell dimensions of the product by providing an elastic rail 130 that provides elastic repulsive force so that the guide block 120 can naturally return to the center. The seismic isolation device of the present invention includes a pendulum-type guide module 100 and a cover plate 200 attached to the pendulum-type guide module 100, and the pendulum-type guide module 100 includes a guide rail 110 connected to the cover plate 200; a guide block 120 that moves along the guide rail 110; an elastic rail 130 that is fixed to the cover plate 200 and contacts the guide block 120 to guide the guide block 120 to return to its origin at the center of the guide rail 110 by elastic force; and a guide bearing 160 that is rotatably attached to the guide block 120 and contacts the elastic rail 130 to rotate when the guide block 120 moves.

Description

[Technical Field]

[0001] The present invention relates to a seismic isolation device that reduces vibrations using an LM guide, and more particularly to a seismic isolation device that is provided with an elastic rail that uses the principle of a pendulum to allow the LM guide to naturally return to its origin. [Background technology]

[0002] Generally, when an earthquake occurs, vibrations are transmitted to structures such as buildings and equipment in the vertical or horizontal direction, and horizontal vibrations violently shake and twist the structures.

[0003] If the magnitude of the vibrations transmitted at this time is large, it can partially damage the structure, reducing its stability, and in serious cases, can even cause the structure to collapse.

[0004] Thus, various seismic isolation devices have been developed and are being used to protect structures and equipment from earthquakes.

[0005] On the other hand, an LM guide (Linear Motion Guide) is a mechanical element that is installed in a machine tool or the like that has a fixed body and a moving body that moves linearly on the fixed body, and enables smooth relative linear motion.

[0006] Such an LM guide can be applied to a seismic isolation device to absorb horizontal vibrations.

[0007] FIG. 1 is a diagram showing a seismic isolation device provided with an LM guide according to the prior art.

[0008] A conventional seismic isolation device includes an upper bracket 10 that supports the equipment to be isolated on its upper surface; a lower bracket 20 that has a shape corresponding to the upper bracket; an LM guide that is composed of LM rails 30 that are installed across the diagonal lines of the inner surfaces of the upper bracket and the lower bracket, LM blocks 40 that slide along the LM rails 30, and retainers 50 that restrict steel balls to the LM blocks 40.

[0009] In addition, the LM block 40 coupled to the LM rail 30 provided on the inner surface of the upper bracket 10 and the LM block 40 coupled to the LM rail 30 provided on the inner surface of the lower bracket 20 can be coupled to each other via a buffer member 70 therebetween.

[0010] In addition, a vibration absorbing part 80 can be provided between the upper bracket 10 and the lower bracket 20 together with the guide module to absorb both vertical and horizontal vibrations, thereby preventing the upper bracket 10 and the lower bracket 20 from separating.

[0011] However, in the conventional seismic isolation device having the above-described configuration, the vibration absorbing unit 80 for forced return to the origin is made of a coil spring, but the coil spring is expensive and large in size, which limits the reduction in the overall size of the seismic isolation device and therefore places various restrictions on where it can be used. Also, if excessive deformation is applied to the coil spring, permanent deformation occurs, which causes a problem of the coil spring losing its tension. Summary of the Invention [Problem to be solved by the invention]

[0012] The present invention aims to solve the above-mentioned problems and provides a seismic isolation device with high seismic isolation efficiency, which is provided with an elastic rail 130 that provides elastic repulsive force so that the guide block 120 can naturally return to the center, thereby reducing the cost and significantly reducing the outer shell size of the product.

[0013] In addition, the present invention aims to solve the above-mentioned problems by providing a seismic isolation device that improves seismic isolation effect and durability by guiding the guide block so that it is forcibly restored to its original position at the center of the elastic rail by the elastic repulsive force of the elastic rail.

[0014] In addition, the present invention aims to provide a seismic isolation device that can reduce costs by eliminating the need for expensive coil springs, can reduce the overall outer shell size of the product, and can diversify installation locations.

[0015] Another object of the present invention is to provide a seismic isolation device that can simplify the parts production process and improve productivity.

[0016] The present invention also provides a seismic isolation device that can improve durability and operational efficiency by adding an auxiliary elastic body.

[0017] In addition, the present invention aims to provide a seismic isolation device that can have a uniform elastic force by using an "L" shaped elastic bracket.

[0018] In addition, the present invention aims to provide a seismic isolation device that is manufactured using a casting (particularly wax casting) method, thereby increasing economy by using only a minimum amount of raw materials and making production quality control easy and convenient. [Means for solving the problem]

[0019] In order to achieve the above object, a seismic isolation device according to one embodiment of the present invention includes a pendulum-type guide module 100 and a cover plate 200 attached to the pendulum-type guide module 100, and the pendulum-type guide module 100 includes a guide rail 110 connected to the cover plate 200; a guide block 120 that moves along the guide rail 110; an elastic rail 130 that is fixed to the cover plate 200 and contacts the guide block 120 to guide the guide block 120 to return to its origin at the center of the guide rail 110 by elastic force; and a guide bearing 160 that is rotatably attached to the guide block 120 and contacts the elastic rail 130 to rotate when the guide block 120 moves.

[0020] The elastic rail 130 is disposed in parallel with the guide rail 110 and has an elastic plate shape, and is inclined toward the cover plate 200 as it approaches the center.

[0021] Both ends of the elastic rail 130 are fixed by fixing blocks 140 so as to be spaced apart from the cover plate 200 by a predetermined distance, and the center of the elastic rail 130 is arranged so as to be deformable in an up-down direction.

[0022] The support block 150 is fixed to the cover plate 200 and contacts the center of the elastic rail 130 when the center is warped. The support block 150 has a support inclined surface 151 that is gradually inclined away from the elastic rail 130 from the center to both ends.

[0023] The elastic rail 130 is fixed at its center by a fixing block 140 so as to be spaced apart from the cover plate 200 by a predetermined distance, and is arranged so that both ends can be warped upward and downward.

[0024] The elastic rail 130 has anti-detachment portions 131 protruding from both ends thereof.

[0025] Both ends of the elastic rail 130 are bent into a "U" shape to have elasticity and fixed to the cover plate 200, and the center of the elastic rail 130 is arranged to be deformable up and down.

[0026] The cover plate 200 further includes an auxiliary elastic body 170 for elastically supporting the elastic rail 130 in the opposite direction to the cover plate 200.

[0027] The elastic rails 130 are separated at their centers so that they can be warped and deformed independently.

[0028] The pendulum type guide module 100 is made up of two pieces and is attached to the upper and lower parts of the central module 300 so as to move in directions crossing each other.

[0029] In addition, a seismic isolation device according to another embodiment of the present invention includes a pendulum-type guide module 1000 and a cover plate 2000 attached to the pendulum-type guide module 1000, and the pendulum-type guide module 1000 includes a guide rail 1100 connected to the cover plate 2000; a guide block 1200 that moves along the guide rail 1100; an elastic rail 1300 that is fixed to the cover plate 2000 and contacts the guide block 1200 to guide the guide block 1200 to return to its origin at the center of the guide rail 1100 by elastic force; and a guide bearing 1600 that is rotatably attached to the guide block 1200 and contacts the elastic rail 1300 to rotate when the guide block 1200 moves.

[0030] The elastic rail 1300 is arranged in parallel with the guide rail 1100 and has an elastic plate shape, and is formed horizontally or inclined toward the cover plate 2000 as it approaches the center.

[0031] Both ends of the elastic rail 1300 are fixed by fixing blocks 1400 so as to be spaced apart from the cover plate 2000 by a certain distance, and the center of the elastic rail 1300 is disposed in a free state so as to be capable of bending up and down.

[0032] The cover plate 2000 further includes a support block 1500 fixed thereto.

[0033] The elastic rails 1300 are disposed on both sides of the guide rail 1100, and are formed in a rectangular shape with both ends interconnected in a "U" shape. The elastic rails 1300 are fixed at their centers by a fixing block 1400 so as to be spaced apart from the cover plate 2000 by a certain distance, and both ends are disposed so as to be capable of bending up and down.

[0034] The elastic rail 1300 includes a groove 1320 formed in the center as a semicircular groove toward the cover plate 2000, and a coupling portion 1360 having at least one through hole 1370 at both ends.

[0035] The elastic rail 1300 is formed in a structure in which the rail width becomes narrower toward both ends, and the center of the elastic rail 1300 is arranged to be deformable in an up-down direction.

[0036] The cover plate 2000 further includes an auxiliary elastic body 1700 for elastically supporting the elastic rail 1300 in the opposite direction to the cover plate 2000.

[0037] The elastic rail 1300 is characterized by further comprising an auxiliary rail 1800 fixed to the elastic rail 1300 through at least one "C" shaped clamp 189 and positioned between the elastic rail 1300 and the cover plate 2000.

[0038] The auxiliary rail 1800 is formed in the form of an elastic plate having a groove portion 1820 formed in the center as a semicircular groove toward the cover plate 2000, and is formed long so as to be parallel to the guide rail 1100 and the elastic rail 1300 along the movement direction of the guide block 1200.

[0039] The device further includes a central module 3000 having elasticity in the up and down directions, and the pendulum type guide modules 1000 are made up of two pieces and are attached to the top and bottom of the central module 3000 so as to operate in directions crossing each other. [Effects of the Invention]

[0040] The seismic isolation device of the present invention as described above has the following effects.

[0041] The guide block 120 is guided to be forcibly restored to its original position at the center of the elastic rail 130 by the elastic repulsive force of the elastic rail 130, thereby improving the seismic isolation effect and enhancing durability.

[0042] Furthermore, since there is no need to provide an expensive coil spring, the cost can be reduced, the overall outer shell size of the product can be reduced, and the installation location can be diversified.

[0043] The present invention also provides the effect of simplifying the parts production process and improving productivity.

[0044] Furthermore, the present invention provides the effect of increasing durability and operational efficiency by adding an auxiliary elastic body.

[0045] In addition, the present invention provides the effect of providing uniform elastic force by using an "L" shaped elastic bracket.

[0046] Furthermore, the present invention is manufactured by a casting method (particularly, wax casting), which allows for increased economy by using only a minimum amount of raw materials, and provides the advantage of easy and convenient production quality control. [Brief explanation of the drawings]

[0047] [Figure 1] FIG. 1 is a perspective view of a seismic isolation device according to the prior art. [Figure 2] 1 is a perspective view of a seismic isolation device according to a first embodiment of the present invention. [Figure 3] 1 is an exploded perspective view of a seismic isolation device according to a first embodiment of the present invention. [Figure 4] 1 is a cross-sectional view of a seismic isolation device according to a first embodiment of the present invention. [Figure 5] 3 is a cross-sectional view showing a state in which the elastic rail 130 is deformed when the seismic isolation device according to the first embodiment of the present invention is activated. FIG. [Figure 6] FIG. 10 is a perspective view of a seismic isolation device according to a second embodiment of the present invention. [Figure 7] FIG. 6 is a cross-sectional view of a seismic isolation device according to a second embodiment of the present invention. [Figure 8] FIG. 10 is a cross-sectional view of a seismic isolation device according to a third embodiment of the present invention. [Figure 9] FIG. 10 is a cross-sectional view of a seismic isolation device according to a fourth embodiment of the present invention. [Figure 10] FIG. 10 is a cross-sectional view of a seismic isolation device according to a fifth embodiment of the present invention. [Figure 11] FIG. 10 is a cross-sectional view of a seismic isolation device according to a sixth embodiment of the present invention. [Figure 12] FIG. 10 is a perspective view of a seventh embodiment of the seismic isolation device of the present invention. [Figure 13] FIG. 12 is an exploded perspective view of a seventh embodiment of the seismic isolation device of the present invention. [Figure 14] FIG. 10 is a partially enlarged view of a seventh embodiment of the seismic isolation device of the present invention. [Figure 15] FIG. 11 is a perspective view of an elastic rail of a seventh embodiment of the seismic isolation device of the present invention. [Figure 16] FIG. 10 is a cross-sectional view of a seventh embodiment of the seismic isolation device of the present invention. [Figure 17] FIG. 13 is an exploded perspective view of an eighth embodiment of the seismic isolation device of the present invention. [Figure 18]FIG. 10 is a cross-sectional view of an eighth embodiment of the seismic isolation device of the present invention. [Figure 19] FIG. 13 is an exploded perspective view of a ninth embodiment of the seismic isolation device of the present invention. [Figure 20] 13A and 13B are perspective and cross-sectional views of a ninth embodiment of the seismic isolation device of the present invention. [Figure 21] FIG. 13 is an exploded perspective view of a tenth embodiment of the seismic isolation device of the present invention. [Figure 22] FIG. 13 is a perspective view of a tenth embodiment of the seismic isolation device of the present invention. [Figure 23] FIG. 14 is a cross-sectional view of a tenth embodiment of the seismic isolation device of the present invention. [Figure 24] FIG. 14 is a diagram showing the connection of the tenth embodiment of the seismic isolation device of the present invention. [Figure 25] FIG. 14 is a diagram showing the connection of the tenth embodiment of the seismic isolation device of the present invention. [Figure 26] FIG. 16 is a perspective view of a guide block of the eleventh embodiment of the seismic isolation device of the present invention. [Figure 27] FIG. 16 is an exploded perspective view of the guide block of the eleventh embodiment of the seismic isolation device of the present invention. [Figure 28] 12A and 12B are perspective and enlarged views of a twelfth embodiment of the seismic isolation device of the present invention. [Figure 29] FIG. 13 is a perspective view of a thirteenth embodiment of the seismic isolation device of the present invention. [Figure 30] FIG. 13 is a perspective view of an elastic rail of the seismic isolation device according to the thirteenth embodiment of the present invention. [Figure 31] 13A and 13B are perspective and enlarged views of the elastic rail of the seismic isolation device according to the thirteenth embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0048] The following detailed description of the present invention refers to the accompanying drawings, which show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that various embodiments of the present invention, although different from one another, are not necessarily mutually exclusive. For example, specific shapes, structures, and characteristics described herein in connection with one embodiment may be embodied in other embodiments without departing from the spirit and scope of the present invention. It should also be understood that the location or arrangement of individual components within each disclosed embodiment may be modified without departing from the spirit and scope of the present invention. Therefore, the following detailed description should not be taken in a limiting sense, and the scope of the present invention is limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled, if properly interpreted. Like reference numerals in the drawings indicate the same or similar functionality throughout the various aspects.

[0049] Preferred embodiments of the present invention will now be described in more detail with reference to the drawings.

[0050] Figure 2 is a perspective view of a seismic isolation device according to Example 1 of the present invention, Figure 3 is an exploded perspective view of a seismic isolation device according to Example 1 of the present invention, Figure 4 is a cross-sectional view of a seismic isolation device according to Example 1 of the present invention, Figure 5 is a cross-sectional view showing the state in which the elastic rail 130 is deformed when the seismic isolation device according to Example 1 of the present invention is activated, Figure 6 is a perspective view of a seismic isolation device according to Example 2 of the present invention, Figure 7 is a cross-sectional view of a seismic isolation device according to Example 2 of the present invention, Figure 8 is a cross-sectional view of a seismic isolation device according to Example 3 of the present invention, Figure 9 is a cross-sectional view of a seismic isolation device according to Example 4 of the present invention, Figure 10 is a cross-sectional view of a seismic isolation device according to Example 5 of the present invention, and Figure 11 is a cross-sectional view of a seismic isolation device according to Example 6 of the present invention.

[0051] 12 is a perspective view of a seventh embodiment of the seismic isolation device of the present invention, FIG. 13 is an exploded perspective view of the seventh embodiment of the seismic isolation device of the present invention, FIG. 4 is an enlarged partial view of the seventh embodiment of the seismic isolation device of the present invention, FIG. 5 is a perspective view of an integrated elastic rail of the seventh embodiment of the seismic isolation device of the present invention, FIG. 6 is a cross-sectional view of the seventh embodiment of the seismic isolation device of the present invention, FIG. 7 is an exploded perspective view of the eighth embodiment of the seismic isolation device of the present invention, FIG. 8 is a cross-sectional view of the eighth embodiment of the seismic isolation device of the present invention, FIG. 9 is an exploded perspective view of the ninth embodiment of the seismic isolation device of the present invention, FIG. 10 is a perspective view and a cross-sectional view of the ninth embodiment of the seismic isolation device of the present invention, FIG. 11 is an exploded perspective view of the tenth embodiment of the seismic isolation device of the present invention, FIG. FIG. 16 is a perspective view of a guide block of an 11th embodiment of a seismic isolation device of the present invention; FIG. 17 is an exploded perspective view of a guide block of an 11th embodiment of a seismic isolation device of the present invention; FIG. 18 is a perspective view and enlarged view of a 12th embodiment of a seismic isolation device of the present invention; FIG. 19 is a perspective view of a 13th embodiment of a seismic isolation device of the present invention; FIG. 20 is a perspective view of an elastic rail of an 13th embodiment of a seismic isolation device of the present invention; and FIG. 21 is a perspective view and enlarged view of an elastic rail of an 13th embodiment of a seismic isolation device of the present invention.

[0052] [Example 1] As shown in FIGS. 1 to 4, the seismic isolation device according to the first embodiment of the present invention comprises a pendulum-type guide module 100, a cover plate 200, and a central module 300.

[0053] The pendulum type guide module 100 is a device for linear reciprocating motion, and is made up of two pieces, which are attached to the upper and lower parts of the elastic body in a vertically symmetrical manner, and are arranged to cross each other, so that they reciprocate horizontally to reduce vibration.

[0054] More specifically, the pendulum-type guide module 100 includes a guide rail 110 , a guide block 120 , an elastic rail 130 , a fixed block 140 , a support block 150 , and a guide bearing 160 .

[0055] The guide rail 110 is a component for guiding the movement of the guide block 120, and is formed in a straight line and fixed to the cover plate 200 in a diagonal direction.

[0056] The guide block 120 is attached so as to be slidable along the guide rail 110 .

[0057] Although not shown in the drawings, a ball bearing is inserted between the guide rail 110 and the guide block 120, as in a general LM guide, to reduce vibration and friction during movement.

[0058] Meanwhile, the elastic rail 130 is fixed to the cover plate 200 and contacts the guide block 120 to guide the guide block 120 to return to the center of the guide rail 110 by elastic force.

[0059] Specifically, the elastic rail 130 is formed in the shape of an elastic plate, and is formed long and parallel to the guide rail 110 along the moving direction of the guide block 120 .

[0060] In addition, the elastic rail 130 is formed to be inclined toward the cover plate 200 as it approaches the center, and the inclination becomes gentler as it approaches the center.

[0061] That is, the elastic rail 130 is formed to be concave toward the cover plate 200, and the center portion thereof is formed to be almost horizontal and gentle.

[0062] Here, the center of the elastic rail 130 is aligned with the center of the guide rail 110 .

[0063] The elastic rails 130 are disposed on both sides of the guide rail 110, and both ends are connected to each other.

[0064] That is, both ends of the elastic rail 130 are connected to each other in a U-shape.

[0065] Both ends of the elastic rail 130 are fixed to the cover plate 200 by the fixing blocks 140 .

[0066] The fixing block 140 is formed in a hexahedral shape and is fixed to the cover plate 200 .

[0067] Of course, in some cases, the fixing block 140 can be made integral with the cover plate 200 .

[0068] In addition, the fixing block 140 has a fixing inclined surface 141 formed on a surface in contact with the elastic rail 130, the inclined surface being inclined toward the cover plate 200 as it approaches the center of the elastic rail 130.

[0069] Therefore, the elastic rail 130 fixed to the fixing block 140 is inclined toward the cover plate 200 as it approaches the center.

[0070] In addition, the elastic rail 130 is disposed to be spaced apart from the cover plate 200 by the height of the fixing block 140, so that the center of the elastic rail 130 is disposed to be capable of bending up and down.

[0071] In some cases, the size of the fixing block 140 can be changed, and fixing bolts and backing blocks can be added to the fixing block 140 to prevent the guide block 120 from coming off the guide rail 110.

[0072] In addition, the elastic rail 130 is separated at the center.

[0073] That is, as shown in FIG. 3, the elastic rails 130 are separated at their centers and are spaced apart at regular intervals from each other so that they can be warped independently.

[0074] Meanwhile, the support blocks 150 are formed in a hexahedral shape, are disposed on both sides of the center of the guide rail 110 , and are fixed to the cover plate 200 .

[0075] Of course, in some cases, the support block 150 can be made integral with the cover plate 200 .

[0076] The support block 150 contacts and supports the elastic rail 130 when the center of the elastic rail 130 is warped.

[0077] The support block 150 has support inclined surfaces 151 formed at the center thereof, the surfaces inclined in opposite directions.

[0078] The support inclined surface 151 is formed to be inclined toward the cover plate 200 as it moves away from the center.

[0079] As shown in FIG. 4, when the guide block 120 moves to the end of the guide rail 110, the supporting inclined surface 151 supports the center of the elastic rail 130, thereby increasing the elastic repulsive force of the elastic rail 130.

[0080] Of course, in some cases, the support block 150 may be flat without the support inclined surface 151.

[0081] Meanwhile, the guide bearings 160 are rotatably mounted on both sides of the guide block 120, and rotate in contact with the elastic rail 130 when the guide block 120 moves.

[0082] The guide bearing 160 transmits the elastic force of the elastic rail 130 to the guide block 120 and minimizes friction with the elastic rail 130, allowing the guide block 120 to operate naturally.

[0083] Meanwhile, the cover plates 200 are formed in two pieces like the pendulum type guide modules 100, and are arranged symmetrically on the top and bottom of the central module 300, and are respectively coupled to the pendulum type guide modules 100.

[0084] The central module 300 is a component that provides elastic force in the vertical direction and is made of vibration-isolating rubber.

[0085] Of course, the central module 300 can be variously configured using soft plastic, spring suspension, disc spring, or the like.

[0086] The seismic isolation device according to the first embodiment of the present invention configured as described above supports the guide block 120 so that it is forcibly restored to its original position at the center of the elastic rail 130 by the elastic repulsive force of the elastic rail 130. Also, since there is no need to provide a separate coil spring, it is possible to reduce costs, reduce the outer shell size, and diversify the installation location. It also provides the effect of quickly and accurately returning the guide block to its original position at the center.

[0087] [Example 2] As shown in Figures 6 and 7, the seismic isolation device according to Example 2 of the present invention has the same configuration as Example 1 except for the pendulum-type guide module 100, so we will omit the description of this and will instead provide a detailed description of the pendulum-type guide module 100.

[0088] The pendulum type guide module 100 according to the second embodiment is composed of a guide rail 110, a guide block 120, an elastic rail 130, a fixed block 140, and a guide bearing 160.

[0089] The guide rail 110 is a component for guiding the movement of the guide block 120 , and is formed in a straight line and fixed to the cover plate 200 .

[0090] The guide block 120 is attached so as to be slidable along the guide rail 110 .

[0091] Although not shown in the drawings, a ball bearing is inserted between the guide rail 110 and the guide block 120, as in a general LM guide, to minimize vibration and friction during movement.

[0092] Meanwhile, the elastic rail 130 is fixed to the cover plate 200 and contacts the guide block 120 to guide the guide block 120 to return to the center of the guide rail 110 by elastic force.

[0093] Specifically, the elastic rail 130 is formed in the shape of an elastic plate, and is formed long and parallel to the guide rail 110 along the moving direction of the guide block 120 .

[0094] In addition, the elastic rail 130 is formed to be inclined toward the cover plate 200 as it approaches the center, and the inclination becomes gentler as it approaches the center.

[0095] That is, the elastic rail 130 is formed to be concave toward the cover plate 200, and the center portion thereof is formed to be almost horizontal and gentle.

[0096] Here, the center of the elastic rail 130 is arranged on the same line as the center of the guide rail 110 .

[0097] The elastic rails 130 are disposed on both sides of the guide rail 110 .

[0098] The elastic rail 130 is fixed at its center by a fixing block 140 so as to be spaced apart from the cover plate 200 by a predetermined distance, and both ends are arranged in a free state so as to be able to bend up and down.

[0099] Here, the fixing block 140 is integrally formed at the center of the elastic rail 130 and protrudes from the center of the elastic rail 130 toward the cover plate 200 .

[0100] Further, the elastic rail 130 has anti-detachment portions 131 protruding from both ends thereof.

[0101] The separation prevention parts 131 are formed on both ends of the elastic rail 130, and are formed to be inclined so that their heights gradually increase in the opposite direction of the seismic isolation plate.

[0102] The separation prevention portion 131 prevents the guide block 120 from separating from the elastic rail 130 .

[0103] In addition, the elastic rail 130 is manufactured with the center part separated and can be welded together during assembly to reduce manufacturing costs. If the length is long, the processing cost increases, but if it is cut in half, various methods such as casting can be used to reduce manufacturing costs.

[0104] [Example 3] The seismic isolation device according to the third embodiment of the present invention is identical to the pendulum-type guide module 100 of the second embodiment except that it further includes an auxiliary elastic body 170, so only the auxiliary elastic body 170 will be described in detail.

[0105] As shown in FIG. 8, the auxiliary elastic members 170 are provided on both ends of the elastic rail 130 to elastically support the elastic rail 130 in the opposite direction to the cover plate 200 .

[0106] The auxiliary elastic body 170 is a leaf spring with a folded "V" shape at the center.

[0107] The auxiliary elastic members 170 are disposed on both ends of the elastic rail 130 , one end of which is fixed to the cover plate 200 and the other end of which is in contact with the elastic rail 130 .

[0108] The auxiliary elastic members 170 function to reinforce the elastic rail 130 since the elastic repulsive force becomes weaker toward both ends of the elastic rail 130 .

[0109] As described above, the auxiliary elastic members 170 are provided on both ends of the elastic rail 130, thereby improving the overall elastic repulsive force of the elastic rail 130 and enabling quick return to the original position.

[0110] [Example 4] As shown in Figure 9, the seismic isolation device of Example 4 of the present invention has the same configuration as Example 1 except for the pendulum-type guide module 100, so only the pendulum-type guide module 100 will be described in detail.

[0111] The pendulum type guide module 100 according to the fourth embodiment is the pendulum type guide module 100 according to the first embodiment, except that an auxiliary elastic body 170 is provided instead of the support block 150 .

[0112] The auxiliary elastic body 170 is a dome-shaped leaf spring attached to the cover plate 200 and curved toward the elastic rail 130 .

[0113] The auxiliary elastic members 170 are provided on the left and right sides of the elastic rail 130 , respectively, to support the elastic rail 130 in the opposite direction to the cover plate 200 .

[0114] [Example 5] As shown in FIG. 10, the seismic isolation device according to the fifth embodiment of the present invention has the same configuration as that of the first embodiment except for the pendulum-type guide module 100, so only the pendulum-type guide module 100 will be described in detail.

[0115] The pendulum type guide module 100 according to the fifth embodiment is composed of a guide rail 110, a guide block 120, an elastic rail 130, a fixed block 140, and a guide bearing 160.

[0116] The guide rail 110 is a component for guiding the movement of the guide block 120 , and is formed in a straight line and fixed to the cover plate 200 .

[0117] The guide block 120 is attached so as to be slidable along the guide rail 110 .

[0118] Although not shown in the drawings, a ball bearing is inserted between the guide rail 110 and the guide block 120, as in a general LM guide, to minimize vibration and friction during movement.

[0119] Meanwhile, the elastic rail 130 is fixed to the cover plate 200 and contacts the guide block 120 to guide the guide block 120 to return to the center of the guide rail 110 by elastic force.

[0120] Specifically, the elastic rail 130 is formed in the shape of an elastic plate, and is formed long and parallel to the guide rail 110 along the moving direction of the guide block 120 .

[0121] The elastic rail 130 is fixed at both ends by the fixing blocks 140 so as to be spaced apart from the cover plate 200 by a predetermined distance, and the center portion is disposed in a free state so as to be able to bend up and down.

[0122] Here, the fixing blocks 140 are integrally formed on both ends of the elastic rail 130 and protrude toward the cover plate 200 .

[0123] In addition, the elastic rail 130 is formed to be inclined toward the cover plate 200 as it approaches the center, and the inclination becomes gentler as it approaches the center.

[0124] That is, the elastic rail 130 is formed to be concave toward the cover plate 200, and the center portion thereof is formed to be almost horizontal and gentle.

[0125] Here, the elastic rails 130 are arranged on both sides of the guide rail 110 with the center thereof aligned on the same line as the center of the guide rail 110 .

[0126] In addition, the elastic rails 130 are separated in the center and the ends of the center are spaced apart by a certain distance, so that they can be warped and deformed independently.

[0127] Here, the fixing block 140 is integrally formed with the elastic rail 130 and protrudes toward the cover plate 200 .

[0128] In addition, an auxiliary elastic member 170 is provided at the center of the elastic rail 130 .

[0129] The auxiliary elastic body 170 is provided at the center of the elastic rail 130 and elastically supports the elastic rail 130 in the opposite direction to the cover plate 200 .

[0130] The auxiliary elastic body 170 is a leaf spring with a folded "V" shape at the center.

[0131] The auxiliary elastic bodies 170 are arranged symmetrically at the center of the elastic rail 130, with one end fixed to the cover plate 200 and the other end in contact with the elastic rail 130.

[0132] The auxiliary elastic body 170 functions to reinforce the elastic force at the center of the elastic rail 130 .

[0133] Therefore, by providing the auxiliary elastic members 170 at both ends of the elastic rail 130, the overall elastic repulsive force of the elastic rail 130 is improved, thereby enabling quick return to the original position.

[0134] The guide bearing 160 is the same as that in the first embodiment, and therefore a detailed description thereof will be omitted.

[0135] [Example 6] As shown in FIG. 11, the seismic isolation device according to the sixth embodiment of the present invention has the same configuration as that of the first embodiment except for the pendulum-type guide module 100, so only the pendulum-type guide module 100 will be described in detail.

[0136] The pendulum type guide module 100 according to the sixth embodiment is composed of a guide rail 110, a guide block 120, an elastic rail 130, and a guide bearing 160.

[0137] The guide rail 110 is a component for guiding the movement of the guide block 120 , and is formed in a straight line and fixed to the cover plate 200 .

[0138] The guide block 120 is attached so as to be slidable along the guide rail 110 .

[0139] Although not shown in the drawings, a ball bearing is inserted between the guide rail 110 and the guide block 120, as in a general LM guide, to minimize vibration and friction during movement.

[0140] Meanwhile, the elastic rail 130 is fixed to the cover plate 200 and contacts the guide block 120 to guide the guide block 120 to return to the center of the guide rail 110 by elastic force.

[0141] Specifically, the elastic rail 130 is formed in the shape of an elastic plate, and is formed long and parallel to the guide rail 110 along the moving direction of the guide block 120 .

[0142] In addition, the elastic rail 130 is formed to be inclined toward the cover plate 200 as it approaches the center, and the inclination becomes gentler as it approaches the center.

[0143] That is, the elastic rail 130 is formed to be concave toward the cover plate 200, and the center portion thereof is formed to be almost horizontal and gentle.

[0144] In addition, both ends of the elastic rail 130 are bent into a "U" shape to have elasticity and are fixed to the cover plate 200.

[0145] That is, both ends of the elastic rail 130 are bent 180 degrees toward the cover plate 200 .

[0146] Both ends of the elastic rail 130 provide elastic force to the elastic rail 130 in the vertical direction.

[0147] In addition, the center of the elastic rail 130 is disposed in a free state so as to be deformable in both up and down directions.

[0148] In addition, an auxiliary elastic member 170 is provided at the center of the elastic rail 130 .

[0149] The auxiliary elastic body 170 is provided at the center of the elastic rail 130 and elastically supports the elastic rail 130 in the opposite direction to the cover plate 200 .

[0150] The auxiliary elastic body 170 is a leaf spring with a folded "V" shape at the center.

[0151] The auxiliary elastic bodies 170 are arranged symmetrically at the center of the elastic rail 130, with one end fixed to the cover plate 200 and the other end in contact with the elastic rail 130.

[0152] As described above, the elastic rail 130 is bent to have elasticity at both ends, and the auxiliary elastic body 170 is provided at the center, so that the elastic force at both ends and the center is increased, reinforcing the elastic repulsion force and providing the effect of enabling quicker and more accurate return to the origin.

[0153] The guide bearing 160 is the same as that in the first embodiment, and therefore a detailed description thereof will be omitted.

[0154] [Example 7] As shown in FIGS. 12 to 16, the components of the seventh embodiment of the seismic isolation device according to the present invention are roughly considered to be composed of a pendulum-type guide module 1000, a cover plate 2000, and a central module 3000.

[0155] The above components will be described in detail as follows.

[0156] The pendulum type guide module 1000 is a device for linear reciprocating motion, and is made up of two pieces, which are attached to the upper and lower parts of the elastic body in a vertically symmetrical manner, and are arranged to cross each other, so that they reciprocate horizontally to reduce vibration.

[0157] Specifically, the pendulum type guide module 1000 includes a guide rail 1100 , a guide block 1200 , an elastic rail 1300 , a fixed block 1400 , and a guide bearing 1600 .

[0158] The guide rail 1100 is a component for guiding the movement of the guide block 1200, and is formed in a straight line and fixed to the cover plate 2000 in a diagonal direction.

[0159] The guide block 1200 is attached so as to be slidable along the guide rail 1100 .

[0160] Although not shown in the drawings, a ball bearing is inserted between the guide rail 1100 and the guide block 1200, as in a general LM guide, to reduce vibration and friction during movement.

[0161] The elastic rail 1300 is fixed to the cover plate 2000 and contacts the guide block 1200 to guide the guide block 1200 to return to the center of the guide rail 1100 by elastic force.

[0162] Specifically, the elastic rail 1300 is formed in the shape of an elastic plate, and is formed long in parallel with the guide rail 1100 along the moving direction of the guide block 1200 .

[0163] In addition, the elastic rail 1300 is formed to be horizontal or inclined toward the cover plate 2000 as it approaches the center, and if it is inclined, the inclination becomes gentler as it approaches the center.

[0164] That is, the elastic rail 1300 is formed to be concave toward the cover plate 2000, and the center portion is formed to be almost horizontal and gentle.

[0165] Here, the center of the elastic rail 1300 is aligned with the center of the guide rail 1100 .

[0166] The elastic rails 1300 are disposed on both sides of the guide rail 1100, and have a rectangular shape with both ends interconnected in a "U" shape.

[0167] In addition, the elastic rail 1300 is formed so that the rail width narrows toward both ends to overcome the problem of the elastic force increasing as the guide block 1200 moves toward both ends. Therefore, the elastic rail 1300 is designed so that a uniform elastic force is applied to the guide block 1200.

[0168] The elastic rail 1300 has a groove 1320 formed in the center as a circular groove toward the cover plate 2000, and plate-shaped coupling portions 1360 at both ends.

[0169] The groove 1320 is formed to be slightly larger than the outer diameter of the guide bearing 1600 so that the guide bearing 1600 can be easily positioned in the groove 1320 .

[0170] Therefore, the groove 1320 is positioned such that the guide bearing 1600 coupled with the guide block 1200 returns to the center after moving to both ends of the elastic rail 1300 .

[0171] The coupling part 1360 has at least one through hole 1370 on its upper surface, and is coupled to the fixing block 1400 through the through hole 1370 to be fixed to the cover plate 2000 .

[0172] In addition, the outer structure of the elastic rail 1300 is formed to have a width that is longer than the moving direction and distance (displacement amount) of the guide block 1200 based on the width of the guide bearing 1600 .

[0173] In addition, the elastic rail 1300 may further include a pair of grooves 1340 located on both sides of the groove 1320 and open inward.

[0174] In addition, the elastic rail 1300 may further include separation prevention portions (not shown, not named) at both ends, which are formed to be inclined so that the height gradually increases from the center to the outside to prevent the guide block 1200 from separating.

[0175] In addition, the elastic rail 1300 may be formed to have a structure in which the width becomes narrower toward both ends when the thickness of the elastic rail 1300 is constant.

[0176] In addition, the elastic rail 1300 can be made of various metal materials such as SPS1 to SPS9, SK5 and its series, various carbon tool steels, etc., to which various spring steels can be applied.

[0177] The elastic rail 1300 thus formed has the effect of simplifying the part production process, and therefore also has an economic effect.

[0178] The fixing block 1400 is formed in a hexahedral shape with at least one through hole and is fixed to the cover plate 2000 .

[0179] The fixing block 1400 is formed in a hexahedron shape in one embodiment of the present invention, but is not limited thereto.

[0180] Furthermore, the fixing block 1400 can be manufactured integrally with the cover plate 2000 .

[0181] The through holes of the fixing block 1400 are coupled with the through holes 1370 of the elastic rail 1300 through fixing bolts.

[0182] In addition, the fixing block 1400 may be manufactured integrally with the cover plate 2000 in some cases.

[0183] In addition, the fixing block 1400 has a fixing inclined surface 141 formed on a surface in contact with the elastic rail 1300 , the inclined surface being inclined toward the cover plate 2000 as it approaches the center of the elastic rail 1300 .

[0184] Therefore, the elastic rail 1300 fixed to the fixing block 1400 is inclined toward the cover plate 2000 as it approaches the center, and is positioned to be spaced apart from the cover plate 2000 by the height of the fixing block 1400, so that the center of the elastic rail 1300 is positioned so that it can be warped up and down.

[0185] In addition, the size of the fixing block 1400 can be changed as needed, and fixing bolts and backing blocks can be added to the fixing block 1400 to prevent the guide block 1200 from coming off the guide rail 1100.

[0186] Meanwhile, as shown in FIG. 6, a support block 1500 formed in a hexahedral shape may be positioned between the guide rail 1100 and the cover plate 2000 and fixed to the cover plate 2000 .

[0187] The support block 1500 is formed in a hexahedron shape in one embodiment of the present invention, but is not limited thereto.

[0188] In addition, the support block 1500 may be manufactured integrally with the cover plate 2000 in some cases.

[0189] The support block 1500 has a support inclined surface 151 formed on one side, so that the height of the elastic rail 1300 can be adjusted.

[0190] Also, the support block 1500 may be flat without the support inclined surface 151 in some cases.

[0191] Meanwhile, the guide bearings 1600 are formed in a disk shape with a through hole in the center, and are rotatably attached to both sides of the guide block 1200, respectively, and rotate in contact with the elastic rail 1300 when the guide block 1200 moves.

[0192] The guide bearing 1600 transmits the elastic force of the elastic rail 1300 to the guide block 1200, and minimizes friction with the elastic rail 1300, allowing the guide block 1200 to operate naturally.

[0193] The cover plates 2000 are formed in two pieces, similar to the pendulum type guide modules 1000, and are arranged symmetrically above and below the central module 3000, and are respectively coupled to the pendulum type guide modules 1000.

[0194] The central module 3000 is a component that provides elastic force in the vertical direction and is made of vibration-isolating rubber.

[0195] Also, the central module 3000 can be variously configured using soft plastic, spring suspension, disc spring, or the like.

[0196] In the seismic isolation device according to the seventh embodiment of the present invention configured as described above, the guide block 1200 is supported so as to be forcibly restored to its original position at the center of the elastic rail 1300 by the elastic repulsive force of the elastic rail 1300.

[0197] Furthermore, since there is no need to provide a separate coil spring, the cost can be reduced, the outer shell size can be reduced, and the installation location can be diversified.

[0198] Also, the guide block can be quickly and accurately returned to its original position at the center.

[0199] [Example 8] As shown in Figures 17 and 18, the eighth embodiment of the seismic isolation device according to the present invention is identical to the seventh embodiment except that the pendulum-type guide module 1000 further includes an auxiliary elastic body 1700, and therefore only the auxiliary elastic body 1700 will be described in detail.

[0200] The auxiliary elastic body 1700 is formed of a leaf spring having at least one through hole, and is provided on both ends of the elastic rail 1300 to elastically support the elastic rail 1300 in the opposite direction to the cover plate 2000 .

[0201] Specifically, the auxiliary elastic members 1700 are disposed on both ends of the elastic rail 1300, one end of which is fixed to the cover plate 2000 and the other end of which is in contact with the elastic rail 1300.

[0202] The through holes of the auxiliary elastic body 1700 are coupled with the through holes 1370 of the elastic rail 1300 and the through holes of the fixing block 1400 through fixing bolts.

[0203] The auxiliary elastic members 1700 function to reinforce the elastic rail 1300 since the elastic repulsive force becomes weaker toward both ends of the elastic rail 1300 .

[0204] Specifically, as shown in FIG. 18, when the guide block 1200 moves to both ends of the elastic rail 1300 due to vibration, the guide bearings 1600 of the guide block 1200 apply a large amount of stress to the elastic rail 1300, and also apply a large amount of stress to the fixing bolts that fix the elastic rail 1300.

[0205] At this time, the auxiliary elastic bodies 1700 located at both ends of the elastic rail 1300 reduce the stress applied to the fixing bolts, and allow the elastic rail 1300 to gently "elastically warp," thereby improving the overall elastic repulsive force of the elastic rail 1300 and enabling quick return to the origin, thereby increasing the durability and operational efficiency of the elastic rail 1300.

[0206] [Example 9] As shown in Figures 19 and 20, the ninth embodiment of the seismic isolation device according to the present invention is identical to the seventh embodiment except that the elastic rail 1300 of the pendulum-type guide module 1000 further includes an auxiliary rail 1800 and a clamp 1890. Therefore, only the auxiliary rail 1800 and the clamp 1890 will be described in detail.

[0207] The auxiliary rail 1800 is fixed to the elastic rail 1300 through at least one clamp 1890, and is positioned between the elastic rail 1300 and the cover plate 2000. The auxiliary rail 1800 contracts and expands depending on the position of the guide block 1200 to support the elastic rail 1300.

[0208] Specifically, the auxiliary rail 1800 is formed in the form of an elastic plate having a groove 1820 in the center, and is formed long in parallel with the guide rail 1100 and the elastic rail 1300 along the moving direction of the guide block 1200.

[0209] The groove 1820 is formed to a size corresponding to the size of the groove 1320 of the elastic rail 1300 .

[0210] The auxiliary rail 1800 is formed to be inclined toward the cover plate 2000 as it approaches the center, and the inclination becomes gentler as it approaches the center.

[0211] That is, the auxiliary rail 1800 is formed to be concave toward the cover plate 2000, and the center portion is formed to be almost horizontal and gentle.

[0212] The clamp 1890 is formed in a “C” shape, connects the elastic rail 1300 and the auxiliary rail 1800 to each other, and is located between the auxiliary rail 1800 and the cover plate 2000 .

[0213] In one embodiment of the present invention, the auxiliary rails 1800 are disposed on both sides of the elastic rail 1300, but one or more auxiliary rails may be attached depending on the design structure.

[0214] In addition, the auxiliary rail 1800 may further include a through hole 1830 at the center of the groove 1820, and a through hole 1330 may further be formed at the center of the groove 1320 of the elastic rail 1300, so that the auxiliary rail 1800 and the elastic rail 1300 can be connected to each other through a fixing bolt.

[0215] At this time, the configuration of the elastic rail 1300 is the same as that of the elastic rail 1300 of the first embodiment of the present invention, so a detailed description thereof will be omitted.

[0216] However, the elastic rail 1300 may have a constant rail width, instead of a structure in which the rail width narrows toward both ends.

[0217] Therefore, the auxiliary rail 1800 and the elastic rail 1300 can be coupled together even more strongly.

[0218] [Example 10] As shown in Figures 21 to 25, in the tenth embodiment of the seismic isolation device according to the present invention, the shape of the elastic rail 1300 of the pendulum-type guide module 1000 of the seventh embodiment is changed, and the elastic rail 1300 further includes an elastic bracket 1900, and the elastic bracket 1900 is connected to a cover plate 2000. The rest is the same, so only the elastic rail 1300, the elastic bracket 1900, and the cover plate 2000 will be described in detail.

[0219] The elastic rail 1300 is fixed to the cover plate 2000 and contacts the guide block 1200 to guide the guide block 1200 to return to the center of the guide rail 1100 by elastic force.

[0220] Specifically, the elastic rail 1300 is formed in the shape of an elastic plate, and is formed long in parallel with the guide rail 1100 along the moving direction of the guide block 1200 .

[0221] The elastic rail 1300 is formed to be inclined toward the cover plate 2000 as it approaches the center, and the inclination becomes gentler as it approaches the center.

[0222] Also, the elastic rail 1300 may be formed horizontally.

[0223] That is, the elastic rail 1300 is formed to be concave toward the cover plate 2000, and the center portion is formed to be almost horizontal and gentle.

[0224] Here, the center of the elastic rail 1300 is aligned with the center of the guide rail 1100 .

[0225] The elastic rail 1300 is thick at the center and thinner at both ends than at the center.

[0226] The elastic rails 1300 are disposed on both sides of the guide rail 1100, and have a rectangular shape with both ends interconnected in a "U" shape.

[0227] In addition, the elastic rail 1300 is formed so that the rail width narrows toward both ends to overcome the problem of the elastic force increasing as the guide block 1200 moves toward both ends. Therefore, the elastic rail 1300 is designed so that a uniform elastic force is applied to the guide block 1200.

[0228] In addition, the elastic rail 1300 has a groove portion 1320 formed as a circular groove in the center toward the cover plate 2000, plate-shaped connecting portions 1360 located at both ends, and a rectangular parallelepiped second connecting portion 1380 located on one side of the connecting portion 1360 toward the cover plate 2000.

[0229] The groove 1320 is formed to be slightly larger than the outer diameter of the guide bearing 1600 so that the guide bearing 1600 can be easily positioned in the groove 1320 .

[0230] Therefore, the groove 1320 is positioned such that the guide bearing 1600 coupled with the guide block 1200 returns to the center after moving to both ends of the elastic rail 1300 .

[0231] The second coupling part 1380 has at least one through hole 1370 on a side thereof, and is coupled to the elastic bracket 1900 through the through hole 1370 to be fixed to the cover plate 2000 .

[0232] In addition, the elastic rail 1300 may further include a pair of grooves 1340 located on both sides of the groove 1320 and open inward.

[0233] In addition, the elastic rail 1300 can be made of various spring steels.

[0234] The elastic rail 1300 is manufactured by casting (particularly, wax casting).

[0235] This solves the following drawbacks: when a carbon steel plate of a certain specification is model-cut using a laser or water jet, the cost increases due to the large amount of raw material wasted in the steel plate due to the area of ​​the hollow part in the center of the elastic rail 1300; the design becomes difficult due to the complex shape, such as the width of the elastic rail 1300 being larger or smaller depending on the position to provide various elastic repulsive forces depending on the operating position of the guide block 1200; and the maximum width of the elastic rail 1300 used to cut the steel plate takes up more space than necessary.

[0236] When the elastic rail 1300 is produced by casting (especially wax casting), the above problems are solved, and only the minimum amount of raw material is used by the casting mold, and the width of the elastic rail 1300 is made constant, and the elastic repulsive force design for each position can be made relatively easily by adjusting the thickness of the elastic rail 1300, and the mold production method has many other effects on production quality control.

[0237] Therefore, the elastic rail 1300 formed in this manner has the effect of simplifying the part production process and also has an economic effect.

[0238] The elastic bracket 1900 is formed in an L-shaped plate shape with elastic resilience, and has at least one elastic rail connection hole 1920 on one side and at least one cover plate connection hole 1940 on the other side.

[0239] The elastic rail coupling hole 1920 is coupled to the through hole 1370 of the elastic rail 1300 through a fixing bolt.

[0240] The cover plate connecting holes 1940 are connected to the cover plate 2000 through fixing bolts.

[0241] The elastic bracket 1900 thus formed has an elastic repulsive force, so that the guide block 1200 located on the upper part of the elastic rail 1300 can be designed to have a uniform elastic force regardless of the position.

[0242] The elastic bracket 1900 can be made of a variety of materials, including metal, plastic, and rubber, but it is particularly effective to use a high-carbon steel plate that has been heat-treated after laser or water jet pattern cutting.

[0243] The cover plates 2000 are formed in two pieces, similar to the pendulum type guide modules 1000, and are arranged symmetrically above and below the central module 3000, and are respectively coupled to the pendulum type guide modules 1000.

[0244] As shown in FIGS. 24 and 25, the cover plate 2000 has a plurality of through holes 2020 in which the elastic bracket 1900 is fitted and which can be coupled with a plurality of fixing bolts.

[0245] Also, the plurality of through holes 2020 may be formed to a size corresponding to the elastic bracket 1900 so that the elastic bracket 1900 can be fitted therein and coupled with a plurality of fixing bolts.

[0246] In the fourth embodiment of the present invention formed as described above, the elastic brackets 1900 are fitted into the through holes 2020 of the cover plate 2000, and then the elastic brackets 1900 and the cover plate 2000 are coupled together with a plurality of fixing bolts, and the elastic brackets 1900 and the elastic rails 1300 are coupled together with a plurality of fixing bolts, so that the cover plate 2000, the elastic brackets 1900, and the pendulum-type guide module 1000 can be assembled.

[0247] As a result, as shown in FIG. 23, in the tenth embodiment of the present invention, the elastic rail 1300 has a uniform elastic force through the elastic bracket 1900 having an "L"-shaped elastic repulsive force, regardless of the position of the guide block 1200 located on the top of the elastic rail 1300.

[0248] [Example 11] As shown in Figures 26 and 27, the eleventh embodiment of the seismic isolation device according to the present invention has the same configuration as the seventh embodiment except for the guide block 1200 of the pendulum-type guide module 1000, so we will omit the description of this and only provide a detailed description of the guide block 1200.

[0249] The guide block 1200 is attached so as to be slidable along the guide rail 1100 .

[0250] Although not shown in the drawings, a ball bearing is inserted between the guide rail 1100 and the guide block 1200, as in a general LM guide, to reduce vibration and friction during movement.

[0251] In addition, the guide block 1200 is further provided with a U-shaped block frame 1250 on the outer side opposite to the side coupled with the guide rail 1100 .

[0252] The guide block 1200 and the block frame 1250 are connected by a number of bolts as shown in FIGS.

[0253] The block frame 1250 has a pair of guide bearing coupling portions 1260 at both ends.

[0254] The guide bearing coupling part 1260 has a through hole in the center so that a bolt can be inserted through the through hole to couple with the guide bearing 1600 .

[0255] The bolt for the connection may be formed as, but is not limited to, a shoulder bolt.

[0256] The guide bearing 1600 is located between the pair of guide bearing coupling portions 1260 .

[0257] The guide block 1200 of the eleventh embodiment of the present invention thus formed can be formed into a guide block 1200 having a pendulum structure by simply fabricating a block frame 1250 on a general guide block 1200 and assembling it.

[0258] [Example 12] As shown in FIG. 28, the twelfth embodiment of the seismic isolation device according to the present invention is identical to the seventh embodiment except that the pendulum-type guide module 1000 further includes a "U"-shaped elastic bracket 1900. Therefore, only the elastic bracket 1900 will be described in detail.

[0259] The elastic bracket 1900 is positioned between the elastic rail 1300 and the cover plate 2000 and serves to support the elastic rail 1300 when the guide blocks 1200 move on both ends of the elastic rail 1300 .

[0260] The elastic bracket 1900 is formed in a U-shaped plate shape with elastic repulsive force, and is bent or machined at the center to connect two sides. One side has at least one elastic rail connection hole 1920, and the other side has at least one cover plate connection hole 1940.

[0261] The elastic rail coupling hole 1920 is coupled to the through hole 1370 of the elastic rail 1300 through a fixing bolt.

[0262] The cover plate connecting holes 1940 are connected to the cover plate 2000 through fixing bolts.

[0263] The elastic bracket 1900 thus formed has an elastic repulsive force, so that the guide block 1200 located on the upper part of the elastic rail 1300 can be designed to have a uniform elastic force regardless of the position.

[0264] The elastic bracket 1900 can be made of a variety of materials, including metal, plastic, and rubber, but it is particularly effective to use a high-carbon steel plate that has been heat-treated after laser or water jet pattern cutting.

[0265] In the twelfth embodiment of the present invention configured as above, the plurality of elastic brackets 1900 are positioned between the cover plate 2000 and the elastic rail 1300, and are coupled to the cover plate 2000 and the elastic rail 1300 through a plurality of fixing bolts, thereby assembling the cover plate 2000, the elastic brackets 1900, and the pendulum-type guide module 1000. As a result, when the guide blocks 1200 on both ends of the elastic rail 1300 move, the elastic rail 1300 can be supported.

[0266] [Example 13] As shown in Figures 29 to 31, the thirteenth embodiment of the seismic isolation device according to the present invention is identical to the seventh embodiment except for the shape of the elastic rail 1300 of the pendulum-type guide module 1000, and therefore only the elastic rail 1300 will be described in detail.

[0267] The elastic rail 1300 is fixed to the cover plate 2000 and contacts the guide block 1200 to guide the guide block 1200 to return to the center of the guide rail 1100 by elastic force.

[0268] Specifically, the elastic rail 1300 is formed in the shape of an elastic plate, and is formed long in parallel with the guide rail 1100 along the moving direction of the guide block 1200 .

[0269] The elastic rail 1300 is formed to be inclined toward the cover plate 2000 as it approaches the center, and the inclination becomes gentler as it approaches the center.

[0270] Also, the elastic rail 1300 may be formed horizontally.

[0271] That is, the elastic rail 1300 is formed to be concave toward the cover plate 2000, and the center portion is formed to be almost horizontal and gentle.

[0272] Here, the center of the elastic rail 1300 is aligned with the center of the guide rail 1100 .

[0273] The elastic rails 1300 are disposed on both sides of the guide rail 1100, and have a rectangular shape with both ends interconnected in a "U" shape.

[0274] In addition, the elastic rail 1300 is formed so that the rail width narrows toward both ends to overcome the problem of the elastic force increasing as the guide block 1200 moves toward both ends. Therefore, the elastic rail 1300 is designed so that a uniform elastic force is applied to the guide block 1200.

[0275] However, the elastic rail 1300 may be formed not only in a structure in which the rail width narrows toward both ends, but also in a form in which the rail width is constant.

[0276] The elastic rail 1300 has a groove 1320 formed in the center as a circular groove toward the cover plate 2000, and coupling parts 1360 formed in a U-shaped plate shape at both ends.

[0277] The groove 1320 is formed to be slightly larger than the outer diameter of the guide bearing 1600 so that the guide bearing 1600 can be easily positioned in the groove 1320 .

[0278] Therefore, the groove 1320 is positioned such that the guide bearing 1600 coupled with the guide block 1200 returns to the center after moving to both ends of the elastic rail 1300 .

[0279] The coupling part 1360 is connected to the elastic rail 1300 and has at least one through hole 1370 at a portion protruding toward the cover plate 2000 .

[0280] The through hole 1370 is fixed to the fixing block 1400 or the cover plate 2000 by connecting with a fixing bolt.

[0281] Also, the through hole 1370 can be fixedly connected to the auxiliary elastic body 1700 by connecting it through a fixing bolt.

[0282] In addition, the outer structure of the elastic rail 1300 is formed to have a width that is longer than the moving direction and distance (displacement amount) of the guide block 1200 based on the width of the guide bearing 1600 .

[0283] In addition, the elastic rail 1300 may further include a pair of grooves 1340 located on both sides of the groove 1320 and open inward.

[0284] In addition, the elastic rail 1300 may further include separation prevention portions (not shown, not named) at both ends, which are formed to be inclined so that the height gradually increases from the center to the outside to prevent the guide block 1200 from separating.

[0285] In addition, the elastic rail 1300 may be formed to have a structure in which the width becomes narrower toward both ends when the thickness of the elastic rail 1300 is constant.

[0286] In addition, the elastic rail 1300 can be made of various metal materials such as SPS1 to SPS9, SK5 and its series, various carbon tool steels, etc., to which various spring steels can be applied.

[0287] In the thirteenth embodiment of the present invention configured as above, when the guide blocks 1200 move at both ends of the elastic rail 1300, the elastic rail 1300 can be supported through the "U"-shaped coupling parts 1360. This also has an outstanding effect in terms of cost reduction.

[0288] The elastic rails 1300 of the seventh to thirteenth embodiments of the seismic isolation device of the present invention are formed in a structure in which the rail width narrows toward both ends in order to overcome the problem that the elastic force increases as the guide block 1200 moves toward both ends, but in some cases they can be formed in various structures including a form in which the rail width is constant.

[0289] Therefore, the seventh to thirteenth embodiments of the seismic isolation device of the present invention provide the effect of improving the seismic isolation effect and enhancing durability.

[0290] The configuration and operation of the seismic isolation device according to the present invention have been described above in detail with reference to the drawings. However, this is merely an explanation of an embodiment, and various changes and modifications are possible within the scope of the technical concept of the present invention.

Claims

1. The device includes a pendulum-type guide module 100 and a cover plate 200 attached to the pendulum-type guide module 100; The pendulum type guide module 100 includes: a guide rail 110 coupled to the cover plate 200; a guide block 120 that moves along the guide rail 110; an elastic rail 130 fixed to the cover plate 200, contacting the guide block 120 and guiding the guide block 120 to return to the center of the guide rail 110 by elastic force; a guide bearing 160 rotatably attached to the guide block 120 and in contact with the elastic rail 130 to rotate when moving; The elastic rail 130 is disposed in parallel with the guide rail 110 and has an elastic plate shape, and is inclined toward the cover plate 200 as it approaches the center. Both ends of the elastic rail 130 are fixed by fixing blocks 140 so as to be spaced apart from the cover plate 200 by a predetermined distance. The center of the elastic rail 130 is disposed in a free state so as to be deformable up and down.

2. a support block 150 fixed to the cover plate 200 and contacting the center of the elastic rail 130 when the center of the elastic rail 130 is warped; The seismic isolation device according to claim 1 , wherein the support block (150) has a support inclined surface (151) that is inclined so as to gradually move away from the elastic rail (130) from the center toward both ends.

3. The seismic isolation device of claim 1, wherein the elastic rail (130) is fixed at its center by a fixing block (140) so as to be spaced apart from the cover plate (200) by a predetermined distance, and both ends are arranged so as to be capable of bending up and down.

4. The seismic isolation device according to claim 3, wherein the elastic rail (130) has anti-detachment portions (131) protruding from both ends thereof.

5. Both ends of the elastic rail 130 are bent into a U-shape to have elasticity and fixed to the cover plate 200. The seismic isolation device according to claim 1 , wherein the central portion of the elastic rail (130) is arranged to be deformable in an up-down direction.

6. The seismic isolation device according to claim 1, further comprising an auxiliary elastic body (170) that elastically supports the elastic rail (130) in a direction opposite to the cover plate (200).

7. The seismic isolation device according to claim 1 , 3 or 5 , wherein the elastic rails (130) are separated at their centers and arranged so as to be capable of warping deformation independently.

8. a central module 300 having elasticity in the vertical direction; The seismic isolation device according to any one of claims 1 to 5, wherein the pendulum-type guide modules (100) are made up of two pieces and are attached to the upper and lower parts of the central module (300) so as to operate in mutually intersecting directions.

9. The device includes a pendulum-type guide module (1000) and a cover plate (2000) attached to the pendulum-type guide module (1000), The pendulum type guide module 1000 includes: a guide rail 1100 coupled to the cover plate 2000; a guide block 1200 that moves along the guide rail 1100; an elastic rail 1300 fixed to the cover plate 2000, contacting the guide block 1200 and guiding the guide block 1200 to return to the center of the guide rail 1100 by elastic force; A seismic isolation device characterized by including a guide bearing (1600) rotatably attached to the guide block (1200), in contact with the elastic rail (1300) and rotating when moved.

10. The seismic isolation device of claim 9, wherein the elastic rail (1300) is arranged parallel to the guide rail (1100), is formed in the form of an elastic plate, and is formed to be horizontal or inclined toward the cover plate (2000) as it approaches the center.

11. Both ends of the elastic rail 1300 are fixed by fixing blocks 1400 so as to be spaced apart from the cover plate 2000 by a predetermined distance. The seismic isolation device according to claim 10, wherein the center of the elastic rail (1300) is arranged in a free state so as to be capable of bending up and down.

12. The seismic isolation device according to claim 9, further comprising: a support block (1500) fixed to the cover plate (2000).

13. The elastic rails 1300 are disposed on both sides of the guide rail 1100, and are formed in a rectangular shape with both ends interconnected in a "U" shape. The seismic isolation device of claim 10, wherein the elastic rail (1300) is fixed at its center by a fixing block (1400) so as to be spaced apart from the cover plate (2000) by a predetermined distance, and both ends are arranged so as to be capable of bending up and down.

14. The seismic isolation device of claim 13, wherein the elastic rail (1300) has a groove (1320) formed in the center as a semicircular groove toward the cover plate (2000), and a connecting portion (1360) having at least one through hole (1370) at both ends.

15. The elastic rail 1300 is formed so that the rail width becomes narrower toward both ends. The seismic isolation device according to claim 10, wherein the center of the elastic rail (1300) is arranged to be deformable in an up-and-down direction.

16. The seismic isolation device according to any one of claims 11, 13 and 15, further comprising an auxiliary elastic body (1700) that elastically supports the elastic rail (1300) in the opposite direction to the cover plate (2000).

17. The seismic isolation device of claim 10, further comprising: an auxiliary rail 1800 fixed to the elastic rail 1300 through at least one "C"-shaped clamp 1890 and positioned between the elastic rail 1300 and the cover plate 2000.

18. The seismic isolation device of claim 17, wherein the auxiliary rail (1800) is formed in the form of an elastic plate having a groove (1820) formed in the center as a semicircular groove toward the cover plate (2000), and is formed long so as to be parallel to the guide rail (1100) and the elastic rail (1300) along the movement direction of the guide block (1200).

19. Further included is a central module 3000 having elasticity in the vertical direction; The seismic isolation device according to any one of claims 9 to 15, wherein the pendulum-type guide modules (1000) are made up of two pieces and are attached to the upper and lower parts of the central module (3000) so as to operate in directions intersecting each other.

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