KR101528555B1 - Vibration isolation device - Google Patents

Vibration isolation device Download PDF

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Publication number
KR101528555B1
KR101528555B1 KR1020140039746A KR20140039746A KR101528555B1 KR 101528555 B1 KR101528555 B1 KR 101528555B1 KR 1020140039746 A KR1020140039746 A KR 1020140039746A KR 20140039746 A KR20140039746 A KR 20140039746A KR 101528555 B1 KR101528555 B1 KR 101528555B1
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KR
South Korea
Prior art keywords
double
guide groove
magnets
tables
unit
Prior art date
Application number
KR1020140039746A
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Korean (ko)
Inventor
제준호
Original Assignee
(주) 제이에이치컴퍼니
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Priority to KR1020140039746A priority Critical patent/KR101528555B1/en
Application granted granted Critical
Publication of KR101528555B1 publication Critical patent/KR101528555B1/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/14—Stack holders or separators
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means

Abstract

Disclosed is an isolation device capable of absorbing even minute vibrations transmitted by frictional force due to loads of computer equipment, communication equipment, precision measurement equipment, and the like, thereby greatly improving the seismic effect. Wherein the first and second guide grooves are spaced a predetermined distance from the first table and at least one second guide groove facing the first guide groove is provided, And a second table which is interposed between the first and second tables so as to support the first and second tables and the first and second guide grooves so as to gradually absorb vibration of the first table in a double- At least one double-beveled unit capable of holding the double-

Description

VIBRATION ISOLATION DEVICE

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seismic isolation device, and more particularly, to a seismic isolation device capable of protecting various computer equipment, communication equipment or precision measurement equipment from vibrations caused by earthquakes or the like.

In a public institution, a bank, or an enterprise, expensive computer equipment, communication equipment or precision measuring equipment are installed and used.

The above-mentioned equipments are usually installed on a double floor in order to maintain a uniform temperature and humidity at all times because they are sensitive to temperature and humidity.

In the case of the above-mentioned computer equipment or communication equipment, when vibration is applied due to the occurrence of an earthquake or the like and breakage occurs, it can cause serious work paralysis.

Recently, in order to prevent vibration generated by earthquakes or the like from being transmitted to computer equipment or communication equipment installed on the double floors, an isolation device is installed on the double floors.

Such a seismic isolation device may include first and second tables which are arranged so that concave guide grooves face each other, and a ball member interposed in guide grooves facing each other on the first and second tables.

Wherein the first table is moved in a horizontal direction together with the bottom surface of the building when the vibration occurs in a building or the like, and the ball member rolling-contacted with the guide grooves of the first and second tables, So that the second table can be maintained in a stable state.

However, even if the ball member makes rolling contact with the first and second tables, a considerable frictional force is generated between the second table and the ball member due to loads of various computer equipment and communication equipment mounted on the second table There is a problem that a part of vibration is transmitted to the second table through the ball member.

Korean Patent Laid-Open Publication No. 2013-0109683 (Oct. 20, 2013)

Accordingly, it is an object of the present invention to provide a seismic isolation device capable of absorbing even minute vibrations transmitted by frictional force due to load of computer equipment, communication equipment, precision measuring equipment, etc., thereby greatly improving the seismic effect.

Other objects and advantages of the present invention will become apparent to those skilled in the art from the following detailed description.

According to an exemplary embodiment of the present invention, an isolation device according to an exemplary embodiment of the present invention includes a first table provided with at least one first guide groove, a second table disposed at a predetermined distance from the first table, A second table provided with a second guide groove and a second table provided between the first table and the second table so as to support the first table and the first guide groove and the second guide groove, And at least one double-sided unit capable of absorbing and maintaining the second table in a stable state.

Here, the first guide groove may be formed in a bowl shape, and the second guide groove may be formed in a dome shape.

For example, the double-stitched unit may include first and second support grooves facing the first and second guide grooves, and the first and second guide grooves may be provided to face the first and second tables, A first main bearing member interposed between the first guide grooves and the first support grooves for primarily absorbing vibration of the first table and a second main grooved ball member interposed between the second guide grooves and the second support grooves, And a second main ground ball member for absorbing vibration transmitted from the first table to the vibration isolating plate.

Here, the first support groove may be formed in a dome shape facing the first guide groove, and the second support groove may be formed in a bowl shape facing the second guide groove.

For example, the seismic isolation plate may be in rolling contact with the first and second tables by a plurality of first and second auxiliary isosceles ball members interposed between the first and second tables.

For example, the isolation plate may be formed in a disc shape.

Meanwhile, the isolation device according to an embodiment of the present invention may further include a position correction unit that restores the double-sided unit to the original position and minimizes the positional shift of the double-sided unit due to the vibration of the first table .

For example, the position correction unit may include a plurality of support members provided on the first table so as to surround the double-sided unit, and a plurality of elastic members for elastically connecting the plurality of support members and the double- Member.

Alternatively, the position correction unit may include a plurality of first magnets arranged in the first table so as to surround the double-sided unit, and a plurality of second magnets arranged in the double-sided unit facing the plurality of first magnets. And a plurality of second magnets.

Here, the first and second magnets may be disposed so that different poles face each other.

Alternatively, the first and second magnets may be arranged to face the same polarity.

For example, the first and second magnets may be permanent magnets.

As another example, the first and second magnets may be electromagnetic magnets.

As described above, the isolation device according to an embodiment of the present invention doubles the vibration transmitted from the first table through the double-centered unit, and further transmits the vibration from the first table through the position correction unit. It is possible to absorb vibration.

In other words, the vibration transmitted through the first table from the floor of the building can be absorbed three times as much as the conventional seismic isolation device using the ball member, so that the seismic effect can be greatly improved compared with the conventional seismic isolation device using a general ball member have.

Accordingly, when vibration occurs, the parallelism and safety of structures such as computer equipment, communication equipment, precision measuring equipment, and the like installed in the second table can be further improved, so that the structure can be more stably protected.

Therefore, the isolation device according to one embodiment of the present invention has the effect of significantly improving the customer satisfaction and the reliability of the product.

The effects of the present invention will be clearly understood and understood by those skilled in the art, either through the specific details described below, or during the course of practicing the present invention.

1 is a sectional view for explaining an isolation device according to an embodiment of the present invention;
2 is a cross-sectional view illustrating an operation example of the seismic isolation device according to the embodiment of the present invention.

The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprising" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be interpreted as ideal or overly formal in meaning unless explicitly defined in the present application Do not.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

FIG. 1 is a cross-sectional view illustrating an isolation device according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view illustrating an operation example of an isolation device according to an embodiment of the present invention.

1 and 2, an isolation device 100 according to an exemplary embodiment of the present invention includes a first table 110, a second table 120, and at least one double- can do.

The first table 110 is installed on a floor or a floor of a building, and moves in conjunction with the floor of the building or the floor when the floor vibrates in the building. For example, the first table 110 may be formed in the shape of a square plate.

At least one first guide groove 111 may be formed in the first table 110. For example, the first guide groove 111 may be formed on the upper surface of the first table 110 such that two to four of the first guide grooves 111 are spaced apart from each other by a predetermined distance, And may be formed in a bowl shape on the upper surface of the table 110.

The second table 120 may be disposed on the first table 110 at a predetermined distance from the first table 110. For example, the second table 120 may be formed in the form of a square plate.

At least one second guide groove 121 facing the first guide groove 111 may be formed in the second table 120. For example, the second guide groove 121 may be formed on the lower surface of the second table 120 so as to be spaced apart from the first guide groove 111 by two to four, The second guide groove 121 may be formed in a dome shape on the lower surface of the second table 120 so as to be symmetrical with respect to the first guide groove 111.

The double-beveled unit 130 is interposed between the first and second tables 110 and 120 so as to support the first and second tables 110 and 120 and the first and second guide grooves 111 and 121, . When the first table 110 is vibrated due to an earthquake or the like occurring in the building between the first and second tables 110 and 120, the double- So that the second table 120 can be maintained in a stable state.

Therefore, even if vibration occurs in the first table 110 due to an earthquake or the like in the building, the vibration generated in the first table 110 is absorbed by the double-beveled unit 130, Such as computer equipment, communication equipment, precision measuring equipment, and the like, which are installed on the upper part of the main body 120, can be minimized to prevent the structure 200 from being damaged.

For example, the double-bezel unit 130 may include a seismic isolation plate 131, a first main seismic isolation ball member 132, and a second main seismic isolation ball member 133.

The seismic isolation plate 131 may be interposed between the first and second tables 110 and 120 to be in rolling contact with the first and second tables 110 and 120. For example, the isolation plate 131 may be formed in a disc shape. The first auxiliary isosceles ball member 134 is interposed between the base plate 131 and the first table 110 so as to be in rolling contact with each other. A second auxiliary ground ball member 135 may be interposed between the first and second auxiliary ground chambers. A first support groove 131a facing the first guide groove 111 may be formed on a lower surface of the vibration plate 131. [ For example, the first support groove 131a may be formed in a dome shape so as to be symmetrical with respect to the first guide groove 111. On the other hand, a second support groove 131b facing the second guide groove 121 may be formed on the upper surface of the isolation plate 131. For example, the second support groove 131b may be formed in a bowl shape to be symmetrical with respect to the second guide groove 121.

The first main ground ball member 132 is formed between the first guide groove 111 of the first table 110 formed in a bowl shape and the first support groove 131a of the dome- And can be in rolling contact with the first guide groove 111 and the first support groove 131a. Therefore, the first main ground ball member 132 can primarily absorb the vibration of the first table 110.

The second main ground ball member 133 is interposed between the second support groove 131b of the bowl 131 and the second guide groove 121 of the second table 120 formed in a dome shape, And can be in rolling contact with the second support groove 131b and the second guide groove 121. Therefore, the second main ground ball member 132 absorbs the vibration transmitted from the first table 110 to the vibration isolating plate 131, so that the vibration generated due to the earthquake, etc., Or a second table 120 on which a structure 200 such as a precision measuring instrument is installed.

Meanwhile, the isolation device 100 according to an embodiment of the present invention may further include a position correction unit 140.

The position correcting unit 140 restores the double-beveled unit 130 to the original position and moves the position of the double-beveled unit 130, that is, the seismic table 131 by the vibration of the first table 110 So that it can be minimized. Accordingly, the position correcting unit 140 also functions to thirdarily absorb the vibration transmitted from the first table 110.

For example, the position correction unit 140 may include a support member 141 and an elastic member 142. [

A plurality of support members 141 may be installed on the first table 110 at predetermined intervals so as to surround the seismic table 131 of the double-

The plurality of elastic members 142 may be used to elastically connect the plurality of support members 141 to the seismic table 131 of the double-sided unit 130. For example, as the elastic member 142, a coil spring can be used.

In another example, the position correction unit 140 may include a first magnet 143 and a second magnet 144.

A plurality of first magnets 143 may be disposed on the first table 110 at predetermined intervals so as to surround the seismic table 131 of the double-beveled unit 130.

The second magnets 144 may be disposed at a predetermined interval on the seismic table 131 of the double-layered unit 130 such that a plurality of the first magnets 144 face the plurality of first magnets 143, respectively.

For example, the first and second magnets 143 and 144 may be disposed at a predetermined interval on the first table 110 and the seismic table 131, respectively, so that different poles face each other.

Alternatively, the first and second magnets 143 and 144 may be disposed on the first table 110 and the seismic table 131 at predetermined intervals such that the first and second magnets 143 and 144 face each other with the same polarity.

Meanwhile, the first and second magnets 143 and 144 may be permanent magnets. Alternatively, the first and second magnets 143 and 144 may be electronic magnets that can change the polarity freely.

1 and 2, the operation and effect of the seismic isolation device according to the embodiment of the present invention will be described.

Referring to FIGS. 1 and 2, when an earthquake occurs in a building or the like and vibrations are generated on the floor of the building, the first table 110 moves in conjunction with the floor of the building.

At this time, not only the first auxiliary deflection ball member 134 is interposed between the first table 110 and the seismic table 131 and is in rolling contact with the first guide groove portion 111 of the first table 110 Since the first main ground ball member 132 is interposed between the first main groove 131a and the first main groove 131a of the seismic table 131 and is in rolling contact therewith, The movement of the seismic table 131 can be minimized by being primarily absorbed by the member 132 and the first auxiliary seam ball member 134.

The second table 120 is provided with a structure 200 such as a computer equipment, a communication device or a precision measuring equipment so that a first main ground ball member (not shown) is installed between the seismic table 131 and the first table 110 The first auxiliary ground ball member 132 and the first auxiliary ground ball member 134 are brought into rolling contact with each other by the load of the structure 200 installed on the second table 120, A considerable amount of frictional force is generated between the auxiliary auxiliary ball member 134 and the seismic table 131.

Therefore, even if the vibration of the first table 110 is absorbed by the first main and auxiliary auxiliary ball members 132 and 134, the first table 110 Is partially transmitted.

However, even if the vibration of the first table 110 is partially transmitted to the vibration isolating table 131, the vibration isolating apparatus 100 according to the embodiment of the present invention can prevent the vibration of the first vibration isolating table 131 ) Is absorbed once more.

The vibration transmitted to the seismic table 131 is interposed between the second support groove 131b of the seismic table 131 and the second guide groove 121 of the second table 120, And is once again absorbed by the second main ground ball member 133 and the second auxiliary ground ball member 135 interposed between the second ground table 131 and the second table 120.

As described above, the seismic isolation device 100 according to an embodiment of the present invention can absorb three times as much vibration transmitted from the floor of the building through the first table 110 as compared with the conventional seismic isolation device using a ball member have.

Accordingly, when the vibration occurs, the parallelism and the safety of the structure 200 such as a computer, a communication device, or a precision measuring equipment installed in the second table 120 can be further improved, so that the structure 200 can be more stably protected .

Therefore, the isolation device according to one embodiment of the present invention has the effect of significantly improving the customer satisfaction and the reliability of the product.

While the present invention has been described in connection with what is presently considered to be practical and exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

(110): first table (111): first guide groove
(120): second table (121): second guide groove
(130): Double-beveled unit (131): Seismic table
(131a): first support groove (131b): second support groove
(132): a first main ground ball member (133): a second main ground ball member
(134): first auxiliary ground ball member (135): second auxiliary ground ball member
(140): Position correction unit (141): Support member
(142): elastic member (143): first magnet
(144): second magnetic

Claims (13)

A first table provided with a bowl-shaped first guide groove;
A second table disposed at a predetermined distance from the first table and having a second guide groove shaped like a dome facing the first guide groove; And
And a double-sided unit interposed between the first and second tables to support the first and second tables and the first and second guide grooves,
Wherein the double-
An isolation plate having a dome-shaped first support groove facing the first guide groove and a bowl-shaped second support groove facing the second guide groove and interposed to make rolling contact with the first and second tables; And
A first guide groove and a first support groove, and a second guide groove, which is interposed between the second guide groove and the second support groove and sequentially absorbs vibrations transmitted from the first table to the second table via the vibration plate, 1, 2 main deflecting ball members. delete delete delete The method according to claim 1,
Wherein the seismic isolation plate is in rolling contact with the first and second tables by a plurality of ball members interposed between the first and second tables. The method according to claim 1,
Wherein the seismic isolation plate is formed in a disc shape. The method according to claim 1,
Further comprising a position correcting unit for restoring the double-seamed unit to the original position and minimizing the positional shift of the double-seamed unit due to the vibration of the first table. 8. The method of claim 7,
Wherein the position correction unit comprises:
A plurality of support members installed on the first table so as to surround the double-sided unit; And
And a plurality of elastic members for elastically connecting the plurality of support members and the double-sided unit. 8. The method of claim 7,
Wherein the position correction unit comprises:
A plurality of first magnets disposed on the first table so as to surround the double-sided unit; And
And a plurality of second magnets arranged in the double-side facing unit to face the plurality of first magnets. 10. The method of claim 9,
Wherein the first and second magnets are disposed so that different poles face each other. 10. The method of claim 9,
Wherein the first and second magnets are arranged so that the same poles face each other. 10. The method of claim 9,
Wherein the first and second magnets are permanent magnets. 10. The method of claim 9,
Wherein the first and second magnets are electromagnetic magnets.
KR1020140039746A 2014-04-03 2014-04-03 Vibration isolation device KR101528555B1 (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018131757A1 (en) * 2017-01-10 2018-07-19 김흥열 Seismic isolation device
KR20200005090A (en) 2018-07-05 2020-01-15 주식회사 코시노인터네셔널 Vibration isolation module and temporary bridge using of the same
KR20200009451A (en) 2018-07-19 2020-01-30 장성철 Base Isolation Function Unit with groove in center of roll
KR102091480B1 (en) 2019-12-30 2020-03-23 (주)다우텍 Isolation apparatus of durable
KR20200100989A (en) * 2019-02-19 2020-08-27 이상희 Vibration isolation device using ball and spring
WO2020171276A1 (en) * 2019-02-19 2020-08-27 이상희 Seismic isolation apparatus having improved restoring force by using balls and springs
KR20230130314A (en) 2022-03-03 2023-09-12 김정규 Modular seismic isolator with three-tier structure and fall prevention function
KR102630257B1 (en) * 2023-03-15 2024-01-29 오상철 Composite Damping Table

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060075358A (en) * 2004-12-28 2006-07-04 김성원 Rolling pendulum bearing with low friction
JP2006336815A (en) * 2005-06-06 2006-12-14 Seiwa:Kk Base isolation device
JP2013152013A (en) * 2011-12-28 2013-08-08 Masato Nakawa Gravity balance type seismic isolator
KR101305302B1 (en) * 2013-07-23 2013-09-06 주식회사 칠성이엔지 Power receiving and distributing apparatus having seismic system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060075358A (en) * 2004-12-28 2006-07-04 김성원 Rolling pendulum bearing with low friction
JP2006336815A (en) * 2005-06-06 2006-12-14 Seiwa:Kk Base isolation device
JP2013152013A (en) * 2011-12-28 2013-08-08 Masato Nakawa Gravity balance type seismic isolator
KR101305302B1 (en) * 2013-07-23 2013-09-06 주식회사 칠성이엔지 Power receiving and distributing apparatus having seismic system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018131757A1 (en) * 2017-01-10 2018-07-19 김흥열 Seismic isolation device
KR20200005090A (en) 2018-07-05 2020-01-15 주식회사 코시노인터네셔널 Vibration isolation module and temporary bridge using of the same
KR20200009451A (en) 2018-07-19 2020-01-30 장성철 Base Isolation Function Unit with groove in center of roll
KR20200100989A (en) * 2019-02-19 2020-08-27 이상희 Vibration isolation device using ball and spring
WO2020171276A1 (en) * 2019-02-19 2020-08-27 이상희 Seismic isolation apparatus having improved restoring force by using balls and springs
KR102191280B1 (en) 2019-02-19 2020-12-15 이상희 Vibration isolation device using ball and spring
KR102091480B1 (en) 2019-12-30 2020-03-23 (주)다우텍 Isolation apparatus of durable
KR20230130314A (en) 2022-03-03 2023-09-12 김정규 Modular seismic isolator with three-tier structure and fall prevention function
KR102630257B1 (en) * 2023-03-15 2024-01-29 오상철 Composite Damping Table

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