KR101058678B1 - Vibration reducing device with trigger - Google Patents

Abstract

PURPOSE: A vibration damper equipped with a trigger having a control function about the weak vibration is provided to facilitate the attachment by installing a control device which is not operated in the weak vibration including the weak earthquake, wind pressure, and impact in the vibration damper. CONSTITUTION: A vibration damper comprises a trigger. The trigger has a control function about the weak vibration in which the guide rail and buffering means reduces the vibration of the upper panel and protecting the goods on the upper panel in the generating vibration more than the constant size. The trigger comprises a wheel roller(160), a ball button(120), and an up-and-down reciprocating unit. The wheel roller is installed in the upper or lower panel. A part of rotatable ball is projected to outside. The ball button is installed in the upper or lower panel so that the ball button is symmetrical with the wheel roller. The accommodating groove(122) accepting the projected ball part of the wheel roller is formed. The up-and-down reciprocating unit is connected to the ball button and moves the ball button up and down.

Description

Vibration Reduction Device with Trigger Device with Motion Control Function for Weak Vibration

The present invention relates to a vibration reduction device having a trigger device having an operation control function for weak vibrations such that the vibration reduction device is not operated in the case of weak vibration.

In general, the vibration reduction device absorbs vibration in the event of an earthquake or shock, and serves to protect important facilities and equipment installed on the support surface. In recent years, a new high-rise building has a seismic design in the building itself.

However, in addition to the seismic design of the building itself, significant damages are expected in the event of an earthquake or vibration, such as emergency disaster headquarters, medical facilities, power plants, telecommunications facilities, military facilities, and high-precision industries. There is a need for a separate vibration reduction device that protects expensive equipment or objects accommodated in a building so that it can be easily performed.

Prior arts developed according to this need include Patent Registration Nos. 10-787494 (Name: Vibration Reduction Devices) and 10-0919926 (Name: Vibration Reduction Devices). And, the first LM guide (LM guide) is installed on the upper surface of the lower panel, the second LM guide (LM guide) is installed on the upper part of the first EL guide, the upper panel is installed on the top of the second L guide And a first buffer spring installed in parallel with the first L guide or at a predetermined angle, and a second buffer spring installed in parallel with the second L guide or at a predetermined angle. Damping vibrations transmitted to things.

However, the vibration reduction device described above has been raised the following problems in manufacturing and use.

First, in the case of a lightly protected object disclosed in a museum or an art gallery, the device can be easily operated when the object is inadvertently or intentionally touched, thereby increasing anxiety, and it may be difficult for an administrator to immediately grasp the situation.

Second, in the case of a base isolation object installed outdoors such as a museum, the device can operate even in strong wind pressure and weak earthquake. However, there is no problem in performance of the highly sensitive base isolation device, which is unnecessary from the management point of view.

The present invention is to solve the problems occurring in the conventional vibration reduction device as described above, while the vibration reduction device is provided with a control device for preventing the vibration isolator in the weak vibration including weak earthquake, wind pressure, impact. The purpose is to facilitate the removal / attachment.

In addition, it is an object to enable the user to immediately know whether the operation of the device due to the user's careless operation.

Features of the present invention for achieving the above object, in the vibration reduction device for protecting the object on the upper panel by reducing the vibration of the upper panel when the upper / lower panels are connected to each other by the guide rail and the buffer means, when the vibration occurs, The upper and lower panels of the vibration reducing device maintain a connection state when a vibration of a predetermined size or less occurs, and when a vibration of a predetermined size or more is provided, a trigger device is separated from each other. To be driven.

In the trigger device, the wheel roller is a part of the ball installed to be rotatably protruded to the outside, and the ball button formed with a receiving groove for accommodating the protruding ball portion of the wheel roller is installed on the upper and lower panels, respectively The ball button is installed so as to be movable up and down through the up / down reciprocating means, and when the ball button moves upward or downward when a vibration occurs, the ball is moved in a predetermined value or more than a certain size. As the button and the wheel roller are released, the upper panel of the vibration reduction device is allowed to flow.

One example of the upper and lower reciprocating means is a first wheel roller insertion groove formed in the lower panel itself or in a separate fixed block, and the first roller roller is installed in the lower portion of the wheel roller installed in the first wheel roller insertion groove It comprises a first buffer spring and a ball plunger which is installed between the wheel roller and the first buffer spring and protrudes downward when moved to a fixing hole drilled to be connected to the first wheel roller insertion groove.

In addition, another example of the up / down reciprocating means is a second buffer spring inserted into and installed under the ball of the ball insertion groove formed on the wheel roller installed on the lower panel, in which case the ball button is formed on the upper panel itself or a separate fixing block. 2 Ball button insertion groove Inserted without fixing means in the vertical direction, the ball of the wheel roller descends free fall.

And, as another example of the upper and lower reciprocating means is formed between the upper panel itself or a separate upper fixing block is installed between the inner circumferential surface of the third wheel roller insertion groove in which the wheel roller is inserted and the outer circumferential surface of the wheel roller is installed It consists of a seal (Seal) for fixing the movement position of the friction roller and the operating hole perforated through the third wheel roller insertion groove in the vertical direction to restore the wheel roller to its original position. At this time, the ball button is installed on the lower panel.

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According to the present invention described above, even if vibration is generated, the vibration reduction device does not operate at the initial weak vibration, and the vibration reduction device operates only at a predetermined size or more, so that unnecessary driving is prevented when a light shock or an earthquake occurs. There is an effect of easy maintenance.

As described above, since the ball button and the wheel roller are separated from each other, the ball button and the wheel roller are configured not to interfere, so that the vibration or impact of the upper panel due to mutual interference between the ball button and the wheel roller does not occur when a vibration of a predetermined size or more occurs. To ensure stable operation.

Moreover, the trigger device can be applied by selecting a variety of methods irrespective of the size of the object, the size of the vibration reducing device, the installation environment, etc., and can be replaced after use because it can be restored to its original position / return state in one operation. Is not necessary.

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1 is a perspective view showing a vibration reducing device
Figure 2 is a perspective view showing a coupling structure of the upper / lower panel to the vibration reduction device of the present invention.
3 is a view showing an example of the installation of the trigger device of the present invention.
4A illustrates an embodiment of a trigger device in accordance with the present invention.
4B is a front view of the trigger device of FIG. 4A
4C is a side view of the trigger device of FIG. 4A
Figure 5a shows another embodiment of the triggering device according to the present invention
5B is a front view of the trigger device of FIG. 5A
FIG. 5C is a side view of the trigger device of FIG. 5A
Figure 6a shows another embodiment of the triggering device according to the present invention
FIG. 6B is a front view of the trigger device of FIG. 6A
FIG. 6C is a side view of the trigger device of FIG. 6A

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

1 to 3 is a schematic view showing a vibration reducing device according to the present invention, the vibration reduction device is connected to each other when the vibration occurs below a certain size between the upper and lower panels, and separated from each other when the vibration occurs above a certain size And a trigger device for driving the vibration reduction device only when the vibration is greater than a predetermined size, and installed in the trigger device to detect the movement of the upper panel 10, and output wirelessly or wired from the sensor S. When the upper panel 10 is moved by the control unit (not shown) according to the signal, it outputs a signal related to the movement to the alarm device (the wireless transmission / reception device of FIG. 1) held by the user.

In the above, the configuration of the vibration reduction device using the trigger device and the trigger device will be described in more detail.

First, referring to the coupling structure of the upper and lower panels 10 and 10 ', as shown in FIG. 2, the upper and lower panels 10 and 10' have a bottom surface on which various protection objects and protection objects are placed. It is installed between the first guide member 20, the second guide member 30, the spring fastening block 40, the spring 50, etc. in order to safely protect the protected object by external force such as vibration or shock. .

The first guide member 20 is the first guide rail 22 is installed on the upper surface of the lower panel 10 ', and the first guide block 24 is installed to slide on the first guide rail 22 As a normal LM guide is used.

The second guide member 30 is installed on the bottom surface of the upper panel 10 so as to slide on the second guide rail 32 and the second guide rail 32 orthogonal to the first guide rail 22. It is composed of a second guide block 34, and likewise can use a conventional LM guide.

In addition, the spring fastening block 40 is installed between the first and second guide blocks 24 and 34 of the first and second guide members 20 and 30 and the first and second guide members 20 and 30. ) And the other end of the spring 50 having one end coupled to the upper panel 10 or the lower panel 20 to form an inclination angle of 40 to 50 degrees with the first and second guide rails 22 and 32. Connected.

Accordingly, the upper panel 10 is capable of being transported in the X-axis direction and the Y-axis direction by the first guide member 20 and the second guide member 30 to move the position in the 360 degree direction on the plane In this process, the shock is mitigated by the spring.

In addition, as shown in Fig. 3, the trigger device of the present invention can be used anywhere in the vibration reduction device having the upper and lower panels.

In addition, the configuration of the trigger device will be described in more detail below.

As a first embodiment of the trigger device, as shown in Figure 4a to 4c, the first ball button insertion groove 112a drilled downward in the upper fixing block 110 fixed to the upper panel 10 of the vibration reduction device The ball button 120 is inserted into the installation and has a conical receiving groove 122 in the lower surface, the upper perforated to open the lower fixing block 130 is fixed to the lower panel 10 'of the vibration reduction device The first buffer spring 140a sequentially inserted from the bottom into the one wheel roller insertion groove 132a, and the ball plunger 150 and the wheel roller 160, and the ball plunger 150 and the first buffer Between the spring 140a, the first wheel roller insertion groove 132a and the fixing hole 152 penetrate therethrough so that the ball plunger 150 protrudes while being lowered to fix the position, and the wheel roller 160 has a ball button. A portion of the ball 162 protrudes upward so that the upper portion is engaged with the conical receiving groove 122 of the 120. It is provided to allow the rotation control.

On the other hand, in the above configuration, although the trigger device of the present invention is installed on the upper and lower fixing blocks 110 and 130 separately installed on the upper and lower panels 10 and 10`, the upper and lower fixing blocks 110. It is also possible to install the trigger device of the present invention on the upper / lower panel itself without 130. In this case, the first wheel roller insertion groove 132a and the first ball button insertion groove 112a formed in the upper / lower fixing blocks 110 and 130 in the above-described upper and lower panels 10 and 10 '. You can install it directly on.

According to the trigger device configured as described above, when the vibration occurs below a certain size, the ball button 120 and the wheel roller 160 are kept in a coupled state, and the ball plunger 150 has the first wheel roller insertion groove at the top of the fixing hole 152. While maintaining the state engaged with the inner wall, when the vibration occurs, the first buffer spring 140a is compressed by the friction between the ball button 120 and the wheel roller 160, and the ball plunger 150 is lowered. do.

In this process, when the vibration is less than a certain size, the ball plunger 150 is lowered in a state only engaged with the inner wall of the first wheel insertion groove 132a, and then the first shock spring 140a is no longer generated. ) Will be returned to its original position by the restoring force.

When the vibration of the predetermined size or more occurs, the ball plunger 150 is caught by the fixing hole 152, so that the wheel roller 160 remains in a lowered state, even though a larger vibration is generated. The rollers 160 do not interfere with each other. After the ball plunger 150 is pressed, the wheel roller 160 and the ball plunger 150 are returned to their original state by the restoring force of the first buffer spring 140a.

In addition, as another embodiment of the trigger device, a structure that can be easily applied to a narrower space than the above-described trigger device, as shown in Figure 5a to 5c in the upper fixing block 110 provided in the upper panel 10 The ball button 120 is installed without the fixing means into the formed second ball button insertion groove 112b, and the second wheel roller insertion groove 132b formed in the lower fixing block 130 installed in the lower panel 10 '. Insert the wheel roller 160, the second buffering spring 140b and the ball 162 in the ball insertion groove 164 to be opened so that the top is opened in the wheel roller 160 and sequentially installed from the bottom The wheel roller 160 has a ball plunger function.

In this case, when the ball button 120 and the wheel roller 160 are engaged with each other during non-operation, the second buffer spring 140b inside the wheel roller 160 is compressed when the device is operated, that is, when vibration is generated. As the ball 162 is lowered, and the vibration of the predetermined size or less, the upper and lower panels 10 and 10 ′ remain fixed due to the combination of the ball button 120 and the wheel roller 160. When the above vibration occurs, the ball button 120 and the wheel roller 160 is released from the coupled state, in which case the ball button 120 is free fall as there is no specific fixing device.

In this process, the chain 114 is connected between the upper panel 10 and the ball button 120 to prevent loss and pinching of the ball button 120 to prevent the pinch.

In addition, since there may be various restrictions on the use space, as the structure of the trigger device that can be protruded and mounted on the side of the vibration reducing device, as shown in Figs. 6A to 6C, the upper fixing fixed to the upper panel 10 The wheel roller 160 is inserted into the third wheel roller insertion groove 116 open downward in the block 110, and is sealed between the outer circumference of the wheel roller 160 and the inner circumference of the third wheel roller insertion groove 116. (seal) 170, the space between the wheel roller 160 and the top of the third wheel roller insertion groove 116 is formed so that the wheel roller 160 can be reciprocated up and down, Punching up and down the third wheel roller insertion groove 116 and the operating hole 116a through the upper fixing block 110, the ball button on the lower fixing block 130 installed in the lower panel 10` Mount 120.

If the impact is greater than the seal resistance, the wheel roller 160 is raised with the seal 170, and when the contact with the ball button 120 is finished, the wheel roller 160 is fixed by the resistance of the seal 170 Will be. When returning to the original state, the wheel roller 160 is returned to its original state by inserting and pushing an operation tool such as a bolt into the upper operation hole 116a.

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Meanwhile, in the vibration reduction device using the trigger device as described above, a sensor for detecting the movement of the upper panel is attached to the vibration reduction device. By outputting a signal related to the movement to the alarm device, the user can check the movement of the upper panel.If the exhibits on the upper panel, such as the museum, are moved, the museum manager checks the status and location of the exhibits to ensure the correct display. You can make it possible.

To this end, as shown in FIGS. 4A to 4C, the proximity sensor S is attached to the inside of the first wheel roller insertion groove 132 a of the lower fixing block to which the ball plunger 150 and the wheel roller 160 are installed. When the movement of the upper panel 10 is detected by detecting the movement of (B), the proximity sensor S outputs a corresponding signal to a controller (not shown) through wireless or wired, and the controller This delivers it to the alarm device (radio receiving device of FIG. 1) held by the user.

In FIG. 1, the controller may be integrally installed in the wireless transmitter.

10: upper panel 10`: lower panel
100: trigger device 120: ball button
140a, 140b: buffer spring 150: ball plunger
160: wheel roller

Claims (8)

delete delete The upper and lower panels 10 and 10 'are connected to each other by guide rails and buffer means, and the upper and lower panels 10 and 10' are connected to each other when vibrations having a predetermined size or less occur between the upper and lower panels 10 and 10 '. The trigger device 100 is separated from each other when a vibration of a predetermined size or more is installed, and the guide rail and the buffer means reduce vibrations of the upper panel when a vibration of a predetermined size or more is generated. In the vibration reduction device having a trigger device having an operation control function,
The trigger device 100,
A wheel roller 160 which is installed on the upper or lower panel 10, 10 ', and has a portion of the ball 162 rotatably projected to the outside;
It is installed in the upper or lower panels 10, 10` symmetrically with the wheel roller 160, the receiving groove 122 is formed to accommodate the protruding ball 162 portion of the wheel roller 160 Ball button 120,
It is installed to be connected to the ball button 120, characterized in that it comprises an up / down reciprocating means for allowing the ball button 120 to move up / down, when the vibration occurs, the ball button 120 at the top or If the movement distance is a certain value or more than a certain size while moving downward, the vibration of the upper panel 10 of the vibration reducing device is flowed while the coupling state of the ball button 120 and the wheel roller 160 is released. Vibration reduction device having a trigger device having a motion control function for. The method of claim 3, wherein the upper and lower reciprocating means is a first wheel roller insertion groove (132a) formed in the lower panel 10` itself or in a separate lower fixing block 120, and the first wheel roller insertion groove 132a is installed between the first buffer spring 140a disposed below the wheel roller 160 and the wheel roller 160 and the first buffer spring 140a installed therein, and the first wheel roller is inserted therein. Vibration reduction device having a trigger device having an operation control function for the weak vibration, characterized in that consisting of a ball plunger 150 protrudes when moving downward to the fixed hole 152 that is connected to the groove (132a). The second buffer spring 140b of claim 3, wherein the upper and lower reciprocating means are inserted and installed under the ball 162 of the ball insertion groove 164 formed in the wheel roller 160 installed in the lower panel 10 '. In this case, the ball button 120 is inserted into the second ball button insertion groove 112b formed in the upper panel 10 itself or in a separate upper fixing block 110 without fixing means, so that the ball of the wheel roller 160 ( Vibration reduction device having a trigger device having a motion control function for the weak vibration, characterized in that free fall when 162) is lowered. According to claim 3, The upper and lower reciprocating means is formed on the upper panel 10 itself or a separate upper fixing block 110, the third wheel roller insertion groove 116 into which the ball button 120 is inserted and installed A seal 170 that is installed between the inner circumferential surface of the wheel roller and the outer circumferential surface of the wheel roller 160 to fix the moving position of the wheel roller 160 with frictional force and a third in the vertical direction in order to restore the wheel roller to its original position. Wheel roller insertion groove 116 and the operating hole (116a) perforated to penetrate the case characterized in that in this case the operation control function for the weak vibration to install the ball button 120 in the lower panel (10`) Vibration reduction device provided with a trigger device. delete delete

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