KR101107298B1 - Anchor device absorbing impact energy - Google Patents

Abstract

There is provided a shock absorbing anchor device which is buried in the foundation concrete and provided to enable absorption of the impact energy applied to the upper structure and applied to the upper structure.

The shock-absorbing anchor device is, as an example, a device housing embedded in the foundation concrete; and a head portion embedded in the device housing and supported by an elastic member, and fastened to the upper structure on the foundation concrete through the foundation concrete. And a stopper provided in the device housing and supporting the elastic member while the fastening member is passed, and is provided between the head portion and the stopper of the fastening member to fasten the upper structure of the fastening member. It may be configured to further include; a gap gauge member provided to adjust the.

According to the present invention, it is fastened to the upper structure through the base concrete, but provided to absorb the initial energy of the impact load applied to the upper structure, thereby improving to minimize the damage (damage or damage) of the upper structure Effect can be achieved.

Foundation bolt, anchor bolt, shock absorption, shock absorption anchor device

Description

Shock-absorbing anchor device {ANCHOR DEVICE ABSORBING IMPACT ENERGY}

The present invention relates to an anchor device which is fastened to the upper structure while being buried in the foundation concrete, and more particularly, it is possible to absorb the initial energy of the impact load applied to the upper structure by being fastened to the upper structure through the foundation concrete. By providing a shock-absorbing anchor device to minimize the damage (damage or damage) of the upper structure.

Foundation bolts, for example, anchor bolts are structural elements for fixing the upper structure to the concrete foundation while serving to transfer the load acting on the pillars of civil engineering and construction to the lower concrete foundation.

Such anchor bolts are generally rigidly coupled to the concrete foundation so that in case of impact, most of the energy will be transferred directly to the upper structure immediately when an impact load is applied to the upper structure.

Such an impact load is a factor that greatly threatens the safety of a driver or a passenger in a crashing vehicle in the case of a vehicle or a bridge fence for a bridge installed in an upper structure, in particular, concrete.

For example, in order to install a protective fence, a soundproof wall or a median that can be subjected to external impact, the anchor bolt is embedded on the constructed concrete foundation, and the upper structure is fastened and fixed to the anchor bolt.

That is, when installing the foundation concrete of the upper structure, after installing the reinforcement frame and formwork, the anchor bolt is embedded while curing the concrete, and the screw part of the anchor bolt protruding from the concrete foundation passes through the upper structure and is fastened and fixed with a nut or the like. will be.

However, such a conventional anchor bolt, the body portion is embedded in the concrete to be poured, and the screw portion of the upper end is fastened with a nut through the upper structure (base), so that the upper structure is impacted from the outside In the case of losing, especially when the impact is applied in the direction in which the anchor bolt is pulled out, it is impossible to absorb such initial impact energy in the anchor bolt.

That is, in the conventional case, when an impact is applied to a protective structure such as a barrier, a middle separator, or a sound barrier in which the upper structure collides with a vehicle at low or high speed, the impact energy is not absorbed by the anchor bolt, thereby reducing the damage of the upper structure. There is no room for it.

Of course, although the protective fence itself is installed structures that absorb the impact energy, by allowing the anchor bolt to absorb the initial impact energy, it will be more helpful for the safety of the vehicle driver or occupant hit the protective structure.

Accordingly, the applicant of the present invention, by improving the structure of the anchor bolt fastened to the upper structure, in particular, the protective structure to be constructed on the concrete foundation, it was proposed the present invention to absorb the impact energy in the anchor bolt.

The present invention has been proposed in order to solve the conventional problems as described above, the object of the aspect is to be fastened to the upper structure through the base concrete, provided to absorb the initial energy of the impact load applied to the upper structure, thereby providing An object of the present invention is to provide an impact absorbing anchor device capable of minimizing damage (damage or damage).

In addition, the present invention provides a shock-absorbing anchor device that enables the multi-stage, multi-stage shock absorption of the various forms, to maximize the absorption of the initial impact energy of the upper structure to reduce the damage of the upper structure to the maximum. There is.

The present invention as a technical aspect for achieving the above object, the device housing embedded in the base concrete;
A head type fastening member including a head part embedded in the device housing and supported by an elastic member and fastened to the upper structure on the foundation concrete through the foundation concrete; And,
And a stopper provided in the device housing and supporting the elastic member while the fastening member passes therethrough.
It provides a shock absorbing anchor device further comprises a gap gauge member provided between the head portion and the stopper of the fastening member to adjust the fastening length of the upper structure of the fastening member.
On the other hand, the present invention as another aspect, the device housing embedded in the foundation concrete;
A head type fastening member including a head part embedded in the device housing and supported by an elastic member and fastened to the upper structure on the foundation concrete through the foundation concrete; And,
And a stopper provided in the device housing and supporting the elastic member while the fastening member passes therethrough.

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And a pleated shock absorbing member provided between the head portion and the stopper of the fastening member and provided to adjust the fastening length of the upper structure of the fastening member while being provided to absorb shock separately from the elastic member when the pulling force of the fastening member is applied. It provides a shock absorbing anchor device.
On the other hand, the present invention as another aspect, the device housing embedded in the foundation concrete;
A head type fastening member including a head part embedded in the device housing and supported by an elastic member and fastened to the upper structure on the foundation concrete through the foundation concrete; And,
And a stopper provided in the device housing and supporting the elastic member while the fastening member passes therethrough.
And a second stopper including a hole through which the fastening member penetrates, the second stopper being provided between the head portion via the stopper and the elastic member while being supported by the head of the fastening member.

A shock absorbing anchor device further includes a second elastic member between the second stopper and the head portion.

Preferably, the fastening member is provided as a bolt member having a head unit integrated at one side end, and the stopper is welded or assembled at the upper end of the device housing while having a bolt through hole through which the bolt member penetrates. The head may be supported by being caught by the elastic member while passing through the bolt through hole of the elastic member and the stopper.

Preferably, the fastening member is provided as a bolt member having a head unit integrated at one side end, and the stopper is welded or assembled at the upper end of the device housing while having a bolt through hole through which the bolt member penetrates. Can pass through the bolt through hole of the elastic member and the stopper.

More preferably, the head part is supported by the inner diameter of the second stopper hole, but is provided to be forced to be inserted into the hole when the pulling force is applied to the curved portion formed in succession to the member, and the second portion is formed in succession to the curved portion It is composed of a second head portion supported by the elastic member may be configured as a multiple shock absorbing type.

According to the shock-absorbing anchor device of the present invention, since it absorbs the initial energy of a small impact load or a large impact load, it is possible to absorb the impact energy applied to the upper structure to the maximum, ultimately the upper structure, in particular, a protective fence In addition, it minimizes the damage (damage or damage) of the protective structure such as a firewall or a central partition, and also provides the effect of ensuring the safety of the vehicle driver or occupant.

In addition, the present invention makes it possible to reduce or prevent fatigue breakdown of the device from repeated wind loads applied to the superstructure, as well as to absorb shock to the superstructure, and in particular to enable multi-stage, multi-shock absorption, It is to provide another excellent effect to ensure the stability of.

Hereinafter, a preferred embodiment of the present invention according to the accompanying drawings.

First, Figure 1 and Figure 2 shows a shock absorbing anchor device 1 according to the present invention. However, in this embodiment, as an example of the upper structure 20, it will be described as a protective fence constructed on the foundation concrete (10).

On the other hand, the shock absorbing anchor device 1 of the present invention, the device housing 40 embedded in the base concrete 10, and the elastic member embedded in the device housing 40 and provided to resist the pull force Head-type fastening member 30 including the head portion 32 supported by the 50 and passed through the foundation concrete 10 and the upper structure 20 on the foundation concrete, and the device housing 40 It may be configured to include a stopper (60) for supporting the elastic member while being provided in the fastening member (30).

Therefore, the shock-absorbing anchor device 1 of the present invention is not simply a bolt member embedded in the existing concrete foundation, but through the structural improvement of the elastic member, the stopper and the device housing, the upper structure 20, that is, the protective fence When the vehicle collides with the back and the protective fence is deformed in the opposite direction of the impact application, the fastening member 30 is applied with a pulling force (arrow of FIG. 1), and in this case, the elastic member 50 absorbs the impact. It is possible to primarily absorb the initial impact energy of the upper structure 20.

For example, in FIG. 1, the upper structure 20, that is, the protective fence has the impact beam member 26 fastened to the support 22 welded to the web 24, and the base plate 28 to which the support is welded is shown. The fastening member 30 of the invention device 1, that is, the threaded portion 34 of the bolt member, passes through and is fastened as a nut 36.

On the other hand, preferably, as shown in Figure 2, in the device of the present invention, the fastening member 30 is provided as a bolt member in which the circular head portion 32 is integrated at one side end thereof, the stopper 60 is provided with a bolt through hole 62 through which the bolt member passes.

The stopper 60 is welded and fixed to the upper end of the cylindrical device housing 40 as shown in FIGS. 1 and 2, or the bolt 64 as a fastening part provided at the end of the device housing as shown in FIG. Can be assembled).

In this case, as shown in FIG. 2, the device housing 40 has a space 40a in which a portion of the spring and the fastening member 30 and the lower end 32 of the fastening member 30 are formed therein. It may be provided in a cylindrical shape, but is not necessarily limited to this, if only the inner space is formed, the device housing 40 and the stopper 60 is also possible in the form of a square.

In addition, the bottom portion in which the fastening member head 32 of the device housing is in close contact with the hole is formed in the drawing, but is not necessarily limited thereto.

On the other hand, while the fastening member 30, that is, the bolt member is passed through the elastic member 50, which is a spring and the bolt through hole 62 of the stopper 60, the head 32 is caught by the elastic member 50 The elastic member 30 is elastically supported by the stopper 60.

On the other hand, as shown in Figure 1 and 2, in the anchor device 1 of the present invention, the upper structure fastening portion of the fastening member 30 is a section excluding the screw portion 34 ('S' portion of Figure 2 ) Preferably has a smooth surface.

That is, as shown in Figure 1, the device of the present invention is basically embedded in the foundation concrete 10, when the vehicle collides with the upper structure 20, that is, the protective fence, the fastening member 30 of the device of the present invention Since the head 32 of the fastening member 30 must be pulled out through the concrete to compress the spring, which is the elastic member 50, to absorb the shock, so that the fastening member is subjected to the impact of the upper structure. In order to move (10) instantaneously, it is preferable that the section 'S' of the fastening member is smoothly manufactured to allow for instant movement after the large concrete is poured.

Meanwhile, reference numeral 36a in FIG. 2 is a known washer.

In this case, although the upper structure 20 and the impact absorbing anchor device 1 of the present invention are shown as being connected to two, in the case of the protective fence as shown in FIG. It is also possible to replace only the left anchor bolt of the present invention with the device.

Of course, if the impact application direction applied to the upper structure is more than one direction, it is of course preferable to use a plurality of the device of the present invention.

Next, Figure 3 shows a shock absorbing anchor device 1 of another embodiment according to the present invention.

That is, as shown in Figure 3, the device of another embodiment of the present invention, while being interposed between the head portion 32 and the stopper 60 of the fastening member inside the device housing 40, the fastening member 30 When the upper threaded portion 34 of) is fastened to the nut 36 through the upper structure base, it is supported by a spring, which is an elastic member 30, so that the fastening length of the fastening member varies depending on the nut fastening degree. For example, a gap gauge member 70 having a constant fastening length is interposed between plates having a short width.

On the other hand, such a gap gauge 70, of course, the length is adjusted in advance in accordance with the fastening conditions of the upper structure of the bolt member which is a fastening member.

At this time, the gap gauge 70 of the present invention, in fact, when the clamping member is applied when the pulling force is applied according to the impact of the upper structure, it is forcibly pressed while providing an advantage that may be used as a shock absorbing member separate from the elastic member do.

Next, Fig. 4 shows another embodiment of the shock absorbing anchor device 1 according to the present invention.

That is, as shown in Figure 4, in the device of another embodiment of the present invention, provided between the device fastening member head portion 32 and the stopper 60 and the elastic member 50 and when applying the pull force of the fastening member; A shock absorbing member 80, which is provided to absorb shocks separately and that also adjusts the fastening length of the upper structure of the fastening member, such as the gap gauge member 70 described above, is further included.

At this time, the pleated shock absorbing member 80, preferably, as shown in Figure 4, may be a thin metal cylindrical body formed with wrinkles.

And, in the case of using such a pleated shock absorbing member 80, the head portion 32 of the fastening member 30 is composed of two ends (32a, 32b), the inner end of the pleated shock absorbing member ( 80 may be supported between the stoppers, and the outer end may be such that the spring, which is the elastic member 50, is supported between the stoppers.

Thus, the inventive device of FIG. 4 will make it possible to substantially implement a multi-stage shock absorber.

At this time, if there is a gap between the rear of the head portion 32 and the device housing in the figure, it may be implemented in another form so that the spring elastic member and the head portion collide first, and then the impact absorbing member 80 collides.

Next, Figure 5 shows a shock absorbing anchor device 1 of another embodiment according to the present invention.

That is, the apparatus of FIG. 5 includes a hole 92 through which the fastening member 30 of the device passes, but is supported by the stopper 60 and the elastic member (ie, supported by the head 32 'of the fastening member). And a second stopper 90 provided between the head portions via 50, and at the same time, a second elastic member 94 is elastically interposed between the second stopper 90 and the head portion 32 '. It was made possible.

In this case, as shown in FIG. 5, the head part 32 ′ is supported by the inner diameter of the hole 92 of the second stopper 90, but the fastening member 30 is forcibly pulled out by the application of a pulling force. It may be composed of a curved portion (32a ') formed in succession to the member forcibly inserted into the hole, and the second head portion (32b') is formed in succession to the curved portion (32a ') to support the second elastic member. .

That is, since the curved portion 32a 'is slightly larger than the inner diameter D1 of the hole 92 of the second stopper 90, and the diameter D2 of the fastening member is larger than the inner diameter of the hole, the fastening member 30 When the force is exerted by the impact on the upper structure, the curved portion 32a 'is stuck in the second stopper hole while compressing the second elastic member 94, and then the second stopper compresses the elastic member 50 of the main. Therefore, the apparatus of the present invention as shown in FIG. 5 makes it possible to absorb the impact in multiple stages when the impact is applied to the upper structure, which sufficiently absorbs the initial impact energy of the upper structure, thereby improving the stability of the upper structure. It is to be able to secure.

Therefore, in the apparatus of various embodiments of the present invention, the shock absorbency in the order of FIGS. 1,2-> 3-> 4-> 5 will be increased in multiple stages.

That is, the present invention will provide the advantage of selectively using various types of devices depending on the impact application environment of the superstructure.

While the invention has been shown and described in connection with specific embodiments so far, it will be appreciated that the invention can be varied and modified without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

1 is a configuration diagram showing a state of use of the shock absorbing anchor device according to the invention

Figure 2 is an exploded perspective view showing the anchor device of the present invention

Figure 3 is a block diagram showing another embodiment of the present invention anchor device

Figure 4 is a block diagram showing another embodiment of the present invention anchor device

Figure 5 is a block diagram showing another embodiment of the present invention anchor device

Explanation of symbols on the main parts of the drawings

1 .... shock absorber anchor 10 .... foundation concrete

20 .. Upper structure 30 .... Fastening member (bolt member)

32 ... head 40 ... housing

50 ... elastic member 60 ... stopper

62 .... bolt through hole 70 .... gap gauge member

80 .. Corrugated shock absorbing member 90 .... Second stopper

94 .... Second elastic member

Claims (6)

Device housings embedded in foundation concrete; A head type fastening member including a head part embedded in the device housing and supported by an elastic member and fastened to the upper structure on the foundation concrete through the foundation concrete; And, And a stopper provided in the device housing and supporting the elastic member while the fastening member passes therethrough. And a gap gauge member provided between the head of the fastening member and the stopper to adjust the fastening length of the upper structure of the fastening member. Device housings embedded in foundation concrete; A head type fastening member including a head part embedded in the device housing and supported by an elastic member and fastened to the upper structure on the foundation concrete through the foundation concrete; And, And a stopper provided in the device housing and supporting the elastic member while the fastening member passes therethrough. And a pleated shock absorbing member provided between the head portion and the stopper of the fastening member and provided to adjust the fastening length of the upper structure of the fastening member while being provided to absorb shock separately from the elastic member when the pulling force of the fastening member is applied. Shock-absorbing anchor device. Device housings embedded in foundation concrete; A head type fastening member including a head part embedded in the device housing and supported by an elastic member and fastened to the upper structure on the foundation concrete through the foundation concrete; And, And a stopper provided in the device housing and supporting the elastic member while the fastening member passes therethrough. And a second stopper including a hole through which the fastening member penetrates, the second stopper being provided between the head portion via the stopper and the elastic member while being supported by the head of the fastening member. The shock absorbing anchor device further comprises a second elastic member between the second stopper and the head portion. The method according to claim 1 or 2, The fastening member is provided as a bolt member in which the head portion is integrally formed at one end thereof, and the stopper is welded or assembled at the upper end of the device housing while a bolt through hole through which the bolt member penetrates is provided. The bolt member is a shock absorbing anchor device, characterized in that the head portion is caught by the elastic member while being passed through the bolt through hole of the elastic member and the stopper. The method of claim 3, The fastening member is provided as a bolt member in which the head portion is integrally formed at one end thereof, and the stopper is welded or assembled at the upper end of the device housing while a bolt through hole through which the bolt member penetrates is provided. The bolt member is a shock absorbing anchor device, characterized in that passing through the bolt through hole of the elastic member and the stopper. The method according to claim 3 or 5, The head part is supported by the inner diameter of the second stopper hole, but is provided to be forced to the hole when the pulling force is applied to the curved portion formed in succession to the member, and the second elastic member is formed in succession to the curved portion Shock absorbing anchor device, characterized in that the second head portion is composed of a multiple shock absorbing type.

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