KR20110009836A - Road facility strut connection device - Google Patents

Abstract

The present invention relates to a road facility strut connection device separated into upper and lower circumference.

The present invention disclosed is a lower cover of the upper and lower strait to be joined to the lower column; A lower flange having a second connector in the center of which the fastener and the key disengagement outlet are arranged to be joined to the upper side of the lower cover and the upper end of the lower support; The upper cover is fitted to the upper cover and the upper cover is formed in the lower bolt receiving groove recessed inwardly; An upper flange having a plurality of through holes formed therein and a first connector formed at a center thereof, the upper flange being joined to the lower end of the upper cover and the upper end of the upper column; A key fastening part which is fixed to the upper flange and is inserted and rotated in the key disengagement port; A reinforcing column, one end of which is fitted into the second connector and joined and the other end of the reinforcing column that is fitted into the upper column joined to the first connector; And it includes a fastening bolt for coupling the upper flange and the lower flange.

Thus, by fastening the upper and lower supports in the form of bolt fastening and key fastening method, the loosening of the fastening bolts due to external shock is prevented, and when the dismantling of the fastening bolts, the center of gravity of the upper holders does not deviate and the safety accident is prevented. There is this.

Description

Connecting apparatus pillar of street furniture}

The present invention relates to, for example, a strut of a road facility such as a traffic light or a road guide sign, including a street lamp that is divided into upper and lower struts, and more specifically, upper and lower struts due to vibration of a road or shaking of a strut according to external force. It prevents the occurrence of safety accidents by suppressing the loosening of the coupling means connecting the wires and prevents the safety accidents due to the carelessness of the operator during the replacement or maintenance work of the upper pillar, while minimizing the promptness of the replacement work and minimizing the installation cost. It relates to a road facility strut connection device to be compatible.

Generally, in order to install road equipment such as street lights, traffic lights, road guide signs, etc. at the edge of a sidewalk or a roadway, after laying concrete foundation structures that are manufactured and transported separately at the location where the road facilities will be installed, The cast iron is made of stainless steel or stainless steel on the upper part of the embedded foundation structure, which is used as a pillar of road facilities.

On the other hand, the length of the post of the road facility is different depending on the installation place, usually short is made of a long length, such as 3 meters to 10 meters, and the base of the fixing is welded to the lower part of the support is embedded in the above-described foundation structure It is to be installed upright by fastening with anchor bolts.

However, because the length of the road facility as described above is integrally manufactured, the product may be damaged during the transportation and installation process according to the site installation. Then, the supporting work and the fastening work should be done at the same time because it should be fastened through the fixing base provided at the bottom. This requires a large number of workers and difficulties in manufacturing, transport and installation. In addition, since the props are made in one piece, if the partial damage is caused by external force, the entire props must be replaced with the above work, which raises the installation cost in terms of cost and causes a waste of resources in economic terms. It is.

To this end, in recent years, the props of road facilities such as street lamps, traffic lights, road guide signs, etc. are separated into upper and lower supports to prevent damage to products that may occur during transportation and installation, as well as the upper and lower supports at the installation site. It is possible to assemble and install more quickly and conveniently to facilitate the installation work, and in case of damage caused by external force, a large number of props of upper and lower separable road facilities can be replaced. The situation is being installed.

As an example of the pillar of the detachable road facility, it is known by Republic of Korea Patent No. 894338.

According to the Patent No. 894338, an anti-rotation key is inserted into the upper holding coupling flange welded to the lower outer surface of the upper holding, and the upper holding is inserted into the upper holding so as to be fastened with the coupling flange of the lower holding and the plurality of fastening bolts. The ring plate is provided with a key hole for receiving the anti-rotation key, and even if the fastening bolt is loosened by an external force, the anti-rotation key, which is an anti-rotation means, is inserted into the key hole, thereby limiting the rotation of the upper holding. Accident is prevented, and also provides a connection device for the street lamp attention provided with a rotation preventing means for preventing the inflow of moisture from the outside by forming a sealing member seating end to the lower holding coupling flange to seat the sealing member.

However, the connecting device of the street lamp with the anti-rotation means is fixed only by the fastening ring plate and the lower holding coupling flange and the fastening bolt, the upper support and the lower support, and then the upper and fastening ring plate and the lower support coupling flange The vibration of the upper circumference is caused by the assembly tolerances between the fastening ring plates or the vibration and strong wind caused by the movement of the vehicle, which makes it difficult to maintain a firm fixing. This causes a safety problem when the fastening bolts are loosened and separated.

In addition, when the upper column is installed or replaced, the upper column is supported against the lower column installed upright on the ground, and then a plurality of fastening bolts must be tightened or loosened. This is necessary, especially when the dismantling work is not equipped with a separate support means for supporting the upper circumference when the dismantling of the last fastening bolt was a problem that caused the safety accident by the deviation of the center of gravity.

Therefore, the present invention was devised under the above-described background, and an object of the present invention is to maintain and secure the upper and lower circumferences in a more rigid state regardless of vibrations caused by the movement of the vehicle and shaking of the props caused by the strong wind. It provides road facility strut connection device that maintains the center of gravity when replacing the strut and prevents safety accidents. This strut linkage device adopts bolt fastening method and key fastening method that maintains the center of gravity of upper pillar. Double fastening of the upper column and the lower column maintains a firm fixed state, and it is possible by disassembling the key fastening that maintains the center of gravity of the upper column after dismantling the fastening bolt without supporting work when replacing the upper column. .

It is another object of the present invention to provide a road facility strut connection device which prevents shaking of the upper strut according to the assembly tolerance of the upper strut and the lower strut. This is achieved by connecting with a fit to disperse the shaking of the upper column.

Still another object of the present invention is to provide a road facility strut connection device which is easier to install and replace a strut and minimizes the installation cost due to a simple structure.

Still other objects of the present invention will become more apparent from the following detailed description and the accompanying drawings.

According to the road facility strut connection device according to the present invention for achieving the above object, in the strut connection device for installing the lower column to the anchor bolt of the foundation structure embedded in the ground and vertically connecting the upper column to the lower column In; A lower cover which is inserted into the upper part of the lower circumference by forming an expansion receiving part at an upper part and a narrow hollow part at a lower part thereof; A ring-shaped lower flange having a second connector at a center of which a plurality of fasteners and key attachments are alternately arranged in an circumferential direction and mounted on an upper side of the lower cover and an upper end of the lower support; An upper cover formed of a tube of upper side down light, the lower cover having several bolt receiving grooves recessed inwardly at equal intervals in the circumferential direction and fitted into the lower part of the upper circumference; Several holes are formed in the circumferential direction to face the fastener so that the through holes and the bolt receiving grooves are placed on the same line at the lower side of the upper cover and are joined to each other. Ring-shaped upper flange to be joined; A key fastening part which is fixed to the bottom of the upper flange vertically downward and is inserted into the key disengagement port of the lower flange when the upper holder and the lower holder are connected to each other; A reinforcing column, one end of which is inserted into the second connector of the lower flange and joined to the other, and the other end of which is inserted into the lower part of the upper column joined to the first connector of the upper flange to reinforce the connection with the lower column; And the head is located in the bolt receiving groove of the upper cover is screwed to the fastener of the lower flange through the through-hole of the upper flange is characterized in that it comprises a fastening bolt for coupling the upper, lower column.

Optionally, the key disengagement port of the lower flange is composed of an extension hole having a wide diameter so as to freely insert the key fastening portion, and a narrow guide hole which is formed along the circumferential direction and continuous with the expansion hole to prevent the key fastening portion from being separated. It features.

Optionally, the key fastening portion, the pin is fixed to the bottom surface of the upper flange and moves along the guide hole of the lower flange, the head smaller than the diameter of the expansion hole of the lower flange and wider than the width of the guide hole integrally Characterized in that formed.

According to the road facility strut connection device of the present invention, by applying a bolt fastening method and a key fastening method in a double way to prevent the loosening of the fastening bolt due to strong wind or vibration, and also the upper support Even if the bolts are disassembled without supporting work during the replacement, the upper column does not lose the center of gravity by the key fastening method, which prevents safety accidents, facilitates the installation and replacement of the props, and reduces the installation cost by simplifying the structure. It has an effect.

Hereinafter, with reference to the accompanying drawings it will be described in detail a preferred embodiment of the road facility strut connection device according to the present invention.

1 is an exploded perspective view showing an embodiment of a road facility strut connection device according to the present invention, Figure 2 is a cross-sectional view showing a road facility strut connection device shown in FIG.

The road facility strut connection device according to the present embodiment includes a hollow lower column 20 installed at an anchor bolt of a foundation structure embedded in the ground, an upper column 10 connected to an upper portion of the lower column 20, and an upper portion. The lower cover 40, which is formed in the upper part of the lower conduit, is formed in the upper receiving portion 46, and in the lower part, a narrower hollow portion 44 is inserted into the upper portion of the lower support 20 and welded thereto. The plurality of fasteners 64 and the key disengagement 62 are arranged alternately with each other, and the second connector 66 is formed at the center thereof so that the expansion receiving portion 46 of the lower cover 40 is concealed. A ring-shaped lower flange 60 mounted on the upper side of the lower cover 40 and the upper end of the lower support 20 and joined by welding, and a tube of upper and lower light beams, the lower part of which can be recessed inward at equal intervals in the circumferential direction. Bolt receiving grooves 32 are formed and inserted into the lower part of the upper column 10 to be welded. The upper cover 30 and the plurality of through holes 54 facing the plurality of fasteners 64 in the circumferential direction are formed to be joined to the through hole 54 and the bolt receiving groove 32 on the lower side of the upper cover 10. ) Is placed on the same line and joined by welding. In the center, a first connector 56 having a diameter larger than the diameter of the second connector 66 is formed to be inserted into the upper end of the upper column 10 to be joined by welding. It is arranged in the vertical downward direction between the bottom of the through hole 54 of the upper flange 50, 50 and the key release port 62 of the lower flange 60 at the time of the connection between the upper column 10 and the lower column 20 ) And a plurality of key fastening portions 52 which are inserted into and pivotally connected, one end of which is inserted into the second connector 66 of the lower flange 60 and joined by welding, and the other end of the first connector of the upper flange 50. A reinforcing column 70 fitted in the lower portion of the upper column 10 joined to the 56 to reinforce the connection with the lower column 20; The head is positioned in the bolt receiving groove 32 of the cover 30, and the screw part is fastened to the fastener 64 of the lower flange 60 through the through hole 54 of the upper flange 50, respectively. It consists of a plurality of fastening bolts 80 to couple the (20).

On the other hand, the plurality of key release openings 62 of the lower flange 60, as shown in Figure 1, the expansion hole 62a having a wide diameter so as to freely insert the key fastening portion 52, and the circumferential direction Accordingly, it is composed of a narrow guide hole 62b that is continuous with the expansion hole 62a to prevent the key fastening portion 52 from being separated.

In addition, the key fastening portion 52, one end portion is fixed between the bottom through holes 54 of the upper flange 50, the pin 52b to move along the guide hole 62b of the lower flange 60 And a head 52a formed integrally with the other end of the pin 52b and smaller than the diameter of the expansion hole 62a of the lower flange 60 and wider than the width of the guide hole 62b.

Referring to the operation of the road facility strut connection device according to the present invention made as described above in detail with reference to the accompanying drawings as follows.

First, the struts used as pillars of the road facility are manufactured by separating the upper column 10 and the lower column 20 into a hollow, respectively. The lower column 20 and the upper column 10 manufactured as described above are connected by the anchor connecting device according to the present invention, and then installed in an upright position by fastening with anchor bolts of the foundation structure embedded in the ground. At this time, the lower cover 40 of the upper and lower straits having an expanded accommodating part 46 extending outwardly in the upper part, and the lower cover 40 having a narrow hollow part 44 in the lower part using the hollow part 44 as shown in FIG. 2. Insert the top of the (20).

Thereafter, the plurality of fasteners 64 and the key disengagement 62 are arranged alternately in the circumferential direction, and the upper end of the lower column 20 has a ring-shaped lower flange 60 having a second insertion hole 66 at the center thereof. The lower flange 60 is bonded to the lower flange 60 along the circumferential surface of the lower column 40 by welding. And the upper side of the lower cover 40 fitted to the lower column 20 is in contact with the bottom surface of the lower flange 60 and then the upper side of the lower cover 40 in contact with the surface of the lower flange 60 of the welding method In addition, the upper outer circumferential surface of the lower support 20 and the inner circumferential surface of the lower end of the lower cover 40 are bonded by a welding method as shown in FIG. 2.

In this way, the lower cover 40 is welded to the lower flange 60 and the lower support 20, thereby concealing the expansion receiving portion 46 of the lower cover 40, whereby the key to be described in detail later. The threaded portion of the fastening portion 52 and the fastening bolt 80 is concealed from the outside to maintain the firmness of the coupling and give an aesthetic sense by the upper and lower narrow shape of the lower cover 40.

Thereafter, one end of the reinforcing column 70 for reinforcing the connection between the upper column 10 and the lower column 20 is formed to be in line with the bottom surface of the lower flange 60. 66). The lower flange 60 is joined to the lower flange 60 along the outer circumferential surface of the reinforcing column 70 by welding.

On the other hand, the upper cover 30 of the upper side down light having several bolt receiving grooves 32 recessed inwardly at equal intervals in the circumferential direction is fitted to the lower portion of the upper column 10 in the same manner as the lower cover 40. .

Thereafter, the lower end of the upper column 10 is inserted into the first connector 56 formed at the center of the upper flange 50 so that it is in line with the bottom of the upper flange 50, and then the lower end and the upper portion of the upper column 10. The flange 50 is joined by the welding method. Then, the lower side of the upper cover 30 fitted to the upper column 10 is brought into contact with the upper surface of the upper flange 50, and then the lower side of the upper cover 30, which is in surface contact, and the upper surface of the upper flange 50 are welded. By joining the method, and by joining the lower end of the upper column 10 and the upper end of the upper cover 30 by the welding method as shown in Figure 2, a plurality of through holes 54 formed in the upper flange 50 is inwardly recessed. It is not concealed by the bolt receiving groove 32 of the upper cover 30 is exposed to the outside, the fastening of the fastening bolt 80 to be described in detail later is made easier.

On the other hand, the key fastening portion 52 having the pin 52b and the head 52a is coupled to the bottom of the upper flange 50 joined to the upper cover 30. At this time, the key fastening portion 52 is preferably arranged between the through holes 54 to be coupled by the method of bolting or welding.

As described above, the lower cover 40 and the lower flange 60 to the lower column 20, and the upper cover 10 and the upper cover 30 and the upper flange 50 in order to join the lower column 20 ) Is connected to the upper column 10, wherein the reinforcing column 70 welded to the lower flange 60 is welded to the first connector 56 of the upper flange 50, as shown in FIG. The upper flange 50 is adjusted with respect to the lower flange 60 so as to be fitted to the lower portion of the upper column 10 to be in contact with each other. As such, the head 52a of the key fastening portion 52 formed on the upper flange 50 in the state where the lower flange 60 and the upper flange 50 are in contact with the reinforcing column 70 is fitted to the upper column 10. After inserting the expansion hole 62a of the key release opening 62 formed in the lower flange 60, and then rotating the upper cover 30, the pin 52b of the key fastening portion 52 connects with the expansion hole 62a. The head 52a of the key fastening portion 52 that is concealed in the expansion receiving portion 46 of the lower cover 40 is moved along the guide hole 62b which is formed so that the width of the guide hole is narrower than this. A plurality of through holes 54 formed in the bolt receiving groove 32 and the upper flange 50 of the upper cover 30 are simultaneously fastened to the fastening to be fastened to the lower flange 60. It is located on the same line as the sphere 64.

Thereafter, the fastening bolt 80 is inserted into the through hole 54 of the upper flange 50 located on the same line and fastened to the fastener 64 of the lower flange 60. As a result, the wind is fastened by the bolt fastening method and the key fastening method. Alternatively, the loosening of the fastening bolt 80 generated by vibration is prevented, and the screw part and the key fastening part 52 except the head of the fastening bolt 80 are concealed from the outside by the expansion receiving part 46 and fastened. Not only is the firmness and aesthetics of the reinforcement improved, the reinforcement holding 70 reinforces the coupling of the upper holding 10 and the lower holding 20, and the upper flange 50 and the lower flange 60 are keyed portions. By being fastened by 52, the reinforcement support 70 not only prevents the upper support 10 from being shaken relative to the lower support 20 due to assembly tolerances, but also the upper support 10 is lowered by a strong wind. Key fastening portion 52 and when subjected to shaking relative to the strut 20 Gangjiju 70 is possible to increase the structural strength it is possible to disperse the force applied to the fastening bolt (80).

On the other hand, if you want to replace the upper support 10 for the lower support 20 is installed on the ground upright, dismantle the fastening bolt 80, even if the worker dismantles the last fastening bolt 80 without support work Since the upper column 10 is fastened to the lower column 20 by the key fastening portion 52, and the reinforcing column 70 is fitted to the upper column 10, the upper column 10 does not lose the center of gravity. It keeps an upright state without any safety accident. Then, by holding the upper cover 30 by separating and replacing the upper column 10 in the reverse order of the assembly procedure described above, the operation is convenient and the installation cost can be reduced by simplifying the structure.

On the other hand, as a comparative example, there is a concern that the fastening bolt may be loosened due to the prior art, that is, assembly tolerance or shaking of the upper column caused by vibration and strong wind, and the supporting and tightening or dismantling work when installing and replacing the upper column. At the same time, unlike the need for a large number of workers, the present invention is fastened to a small number of workers by fastening by applying the bolt fastening method and the key fastening method without the support work when fastening the upper column and the lower column. It can be seen that the prop can be installed conveniently.

In this result, according to the present invention, by fastening the strut in the bolt fastening method and the key fastening method, the loosening of the fastening bolts due to strong wind or vibration is prevented, and even if the fastening bolts are dismantled without supporting work, the center of gravity of the upper holding is not released. There is an advantage that safety accidents are prevented.

In addition, although specific embodiments of the present invention have been described and illustrated above, it is obvious that the present invention may be variously modified and implemented by those skilled in the art.

Such modified embodiments should not be individually understood from the technical spirit or the prospect of the present invention, and such modified embodiments should fall within the appended claims of the present invention.

1 is an exploded perspective view showing an embodiment of a road facility strut connection device according to the present invention,

Figure 2 is a cross-sectional view showing a coupling showing the road facility struts of FIG.

Description of the Related Art

10: upper holding 20: lower holding

30: upper cover 32: bolt receiving groove

40: lower cover 46: expansion receiving portion

50: upper flange 52: key fastening portion

60: lower flange 62: key release

70: reinforcing column 80: fastening bolt

Claims (4)

In the strut connection device for installing the lower column on the ground and connecting the upper column to the lower column; (1) a tube of the upper and lower straits, an upper portion of which is formed with an expanded accommodating portion and a narrow hollow portion at a lower portion thereof, the lower cover being fitted into the upper portion of the lower column; (2) a lower flange having a second connector at the center of the plurality of fasteners and the key disengagement alternately arranged in the circumferential direction and joined to the upper side of the lower cover and the upper end of the lower column; (3) an upper cover which is a tube of upper and lower light, in which several bolt accommodation grooves recessed inwardly are formed at a lower portion thereof, and are fitted into and joined to the lower portion of the upper column; (4) an upper flange formed with a plurality of through holes in the circumferential direction and having a first connector formed at the center thereof, the upper flange being fitted to the lower side of the upper cover and the upper end of the upper support; (5) a key fastening part which is fixed to the bottom of the upper flange and is inserted into the key detachment opening of the lower flange when the upper holder and the lower holder are connected to each other; (6) a reinforcing column, one end of which is inserted into the second connector of the lower flange and joined, and the other end of which is inserted into the lower part of the upper column joined to the first connector; And (7) The head is located in the bolt receiving groove of the upper cover and is fastened to the fasteners of the lower flange through the through hole of the upper flange, characterized in that it comprises a fastening bolt for coupling the upper and lower circumference Connector. The method according to claim 1, The key disengagement port is characterized by consisting of a wide diameter hole for insertion of the key fastening portion freely, and a narrow guide hole formed along the circumferential direction continuously to the expansion hole to prevent the key fastening portion from being separated. Connector. The method according to claim 2, The key fastening unit is connected to the road facility struts, characterized in that formed between the through-hole of the upper flange. The method according to claim 3, The key fastening part is fixed to the bottom surface of the upper flange, the pin moving along the guide hole of the lower flange, and a head smaller than the diameter of the expansion hole of the lower flange and wider than the width of the guide hole is integrally formed Road facility strut connection device.

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