KR101630851B1 - Safety fence for shock-absorbing using elastic joint, and method for constructing this same - Google Patents
Safety fence for shock-absorbing using elastic joint, and method for constructing this same Download PDFInfo
- Publication number
- KR101630851B1 KR101630851B1 KR1020150167844A KR20150167844A KR101630851B1 KR 101630851 B1 KR101630851 B1 KR 101630851B1 KR 1020150167844 A KR1020150167844 A KR 1020150167844A KR 20150167844 A KR20150167844 A KR 20150167844A KR 101630851 B1 KR101630851 B1 KR 101630851B1
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- elastic
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- lower handrail
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0407—Metal rails
- E01F15/0438—Spacers between rails and posts, e.g. energy-absorbing means
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
- E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
- E01F15/0461—Supports, e.g. posts
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/627—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection self-righting after deflection or displacement
-
- E04H17/1421—
Abstract
Description
The present invention relates to a fence, and more particularly, to a fence, more particularly, to provide a fence capable of minimizing damage to a vehicle and a fence by inducing an elastic behavior of a handrail in accordance with a collision direction of the vehicle, To a guard fence having a buffer type handrail which is easy to maintain and which has a low maintenance cost, and a construction method thereof.
The present invention relates to a safety fence having a shock-absorbing handrail for minimizing damage to a vehicle and a guard fence by guiding an elastic behavior of the strut together with the elastic behavior of the hand rail against collision of the vehicle and protecting the passenger and the pedestrian more safely And a method of constructing the same.
Generally, railings are installed on both sides of bridges and roads to prevent vehicle departure and to protect pedestrians from vehicles. In recent years, railings have been provided with various functions in addition to the protection of vehicles and pedestrians as well as to absorb shocks and prevent breakage.
Such railings are used not only for the safety of vehicles and pedestrians on roads but also for preventing people from falling in public houses and additionally for securing the safety of bicycles and pedestrians in parks and the like.
As a conventional elastic fence, a patent document (Korean Patent No. 10-1139013) discloses a strut member that is spaced apart from a ground surface; A brace member connected to the strut member to cover between the strut members; And an impact mitigation support portion connecting the strut member and the beam member such that the beam member reciprocates along the transverse direction of the strut member and elastically supporting the movement of the beam member, A fixing bracket coupled to the member; A moving bracket coupled to the beam member and reciprocally coupled to the stationary bracket; And an elastic support portion provided on the fixing bracket to guide movement of the moving bracket and elastically supporting the moving bracket to one side of the fixing bracket and being compressed by a pressure applied to the beam member, A guide member coupled to the fixing bracket to penetrate the fixing bracket and the moving bracket; And an elastic member coupled to the guide member so as to be positioned between the fixed bracket and the movable bracket and elastically supporting the movable bracket, wherein the resilient fence has a resilient behavior in the longitudinal direction only In general, when the vehicle is running, the vehicle does not collide with the fence in a direction perpendicular to the fence, but collides while tilting at a certain angle. The patent document shows that the beam member can only behave in a direction perpendicular to the fence So that the collision in the perpendicular direction can be buffered, but the collision in the oblique direction is not smooth and the buffering is impossible.
SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a security fence having a buffer type handrail that maximizes the buffering efficiency by inducing the elastic behavior of the handrail in accordance with the collision direction of the vehicle, .
Another object of the present invention is to maximize the buffering force of the impact energy applied from the vehicle by allowing the strut to perform elastic behavior by an external force (collision of a vehicle, etc.) together with the elastic behavior of the handrail, To minimize the damage of passengers and pedestrians.
A security fence having a buffer type handrail according to the present invention comprises: a foundation base fixed to the ground at a predetermined distance from each other; A strut standing on each of the foundation bases; An upper handrail and a lower handrail arranged vertically between the struts to block a space between the struts; And an elastic connector for connecting the lower handrail to the strut but connecting the handrail to the handrail by an impact applied from the outside so as to elastically move the elastic body, wherein the elastic connector is fixed in contact with the strut, And is connected to the adjacent lower handrail and extends from both the right and left sides of the door to guide the elastic behavior of the lower handrail while being pushed by the external force with a portion fixed to the support when the impact is applied from the outside And one or a pair of the wings are installed symmetrically on the strut.
The present invention is characterized in that the strut is installed on a foundation base through a basic elastic means.
According to the guarded fence having the shock-absorbing type handrail according to the present invention, the handrail elastically moves according to various collision angles of the vehicle to effectively absorb the collision energy generated in the collision in all directions, thereby minimizing damage to the vehicle and the fence It also protects the occupants and pedestrians safely.
When the lower handrail is installed so as to protrude more toward the road than the support and the upper handrail, the lower handrail first collides with the bumper of the vehicle to absorb the collision energy first, and then the upper handrail absorbs the collision energy Thereby maximizing stability through multi-stage cushioning and greatly reducing damage to the fence and the vehicle. Therefore, maintenance work is very easy due to small breakage and the cost is greatly reduced.
In addition, when the support is installed to allow elastic behavior, when the vehicle hits the handrail, the handrail first buffers the impact energy applied from the vehicle, and then the support struts secondarily impact energy to maximize the buffering effect Thereby minimizing the damage of the vehicle and the guard fence and safely protecting the occupant and the pedestrian.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a security fence having a buffer type handrail according to a first embodiment of the present invention; FIG.
2 is a plan view of a security fence having a buffer type handrail according to a first embodiment of the present invention;
3 is a side view of a security fence having a buffered handrail according to embodiment 1 of the present invention.
4 is a side view of assembled state of an upper handrail applied to a security fence having a buffer type handrail according to Embodiment 1 of the present invention.
5 is an assembled state plan view of a lower handrail applied to a security fence having a buffer type handrail according to Embodiment 1 of the present invention.
6 is a side view of assembled state of a lower handrail applied to a security fence having a buffer type handrail according to Embodiment 1 of the present invention.
7 is an exploded perspective view of a strut, a lower handrail, and a lower side elastic connector applied to a security fence having a buffer type handrail according to Embodiment 1 of the present invention.
8 is a front view of a security fence having a buffer type handrail according to a second embodiment of the present invention;
9 is a side view of a security fence having a buffered handrail according to a second embodiment of the present invention.
10 is an assembled state plan view of an upper handrail and an upper side elastic connector applied to a security fence having a buffer type handrail according to Embodiment 2 of the present invention.
11 is an exploded perspective view of a strut, a lower handrail, and a lower side elastic connector applied to a security fence having a buffer type handrail according to Embodiment 2 of the present invention.
FIG. 12 is a plan view of an installation state of an upper handrail applied to a security fence having a buffer type handrail according to Embodiment 2 of the present invention; FIG.
13 is a plan view showing another example of an upper side elastic connector applied to a security fence having a buffer type handrail according to Embodiment 2 of the present invention.
FIG. 14 is a plan view of assembled state of a lower handrail applied to a security fence having a buffer type handrail according to Embodiment 2 of the present invention. FIG.
15 is a side view of assembled state of a lower handrail applied to a security fence having a buffer type handrail according to a second embodiment of the present invention.
16 is an elevational cross-sectional view showing a basic resilient means applied to a security fence having a buffered handrail according to the present invention.
17 is an exploded perspective view of a basic resilient means applied to a security fence having a buffer type handrail according to the present invention.
Figure 18 is an operational view of a basic resilient means applied to a guarded fence with a buffered handrail according to the present invention.
19 is a sectional view showing another example of a basic elastic means applied to a security fence having a buffer type handrail according to the present invention.
≪ Example 1 >
As shown in FIGS. 1 to 3, the protective fence having the buffer type handrail according to the present embodiment comprises: a foundation base 10 fixed to the ground at a predetermined distance from each other; A strut (20) which is respectively erected on the foundation base (10); And upper and lower hand rails 30 and 40 which are installed vertically between the supports 20 to block the space between the supports 20 and in which the upper handrail 30 extends from the support 20 towards the road And the lower handrail 40 is installed to be elastically movable through the lower side elastic connection 50 while protruding from the support 20 toward the road.
The foundation base 10 is a plate material having an area larger than that of the column 20 and is fixed to the column 20 through welding or the like and is fixed to the floor or concrete base through anchoring or is made elastic .
The column 20 is fixedly installed on the foundation base 10 by welding or the like. For example, the column 20 may be a circular pipe having a hollow inside and a cap may be assembled on the upper part.
As shown in FIGS. 1 and 4, the upper handrail 30 is fixed (weldable) to the fastener 31 (bolt and nut) while the left and right sides of the upper handrail 30 are in close contact with the adjacent support pillars 20, The handrail 30 is firmly fixed to the support 20 through close contact and fastening, thereby generating a bending force against the collision of the vehicle, thereby preventing the vehicle from being pushed.
Preferably, the upper handrail 30 has a structure of a frame formed by the upper and lower horizontal portions 32, 33 and the left and right vertical portions 34, 35, and one or more horizontal legs 36 are applied to reinforce the strength. It is also possible that the various shapes of the shapes 37, such as the circular shape, the polygonal shape, the flower shape, etc., are formed together.
The fastening holes 31 are formed on the right side vertical portion 35 of the upper handrail 30 on the left side and the support 20 and the upper side handrail 30 on the right side of the left hand rail 30, The vertical portions 34 on the left side of the hand rail 30 are assembled together by a fastening tool 31. The fastening tool 31 has one or more stages As shown in Fig. Of course, when the upper handrail 30 is assembled to only one side of the support 20, the support 20 and the vertical portion 34 or 35 of the upper handrail 30 are assembled by the fastening member 31.
The upper handrail 30 is preferably a circular hollow pipe with hollow interior.
The present invention is also capable of making the indication of the pattern as the main purpose since the upper handrail 30 receives less collision than the lower handrail 40 and is not subjected to a direct collision.
The lower handrail 40 is a rectangular frame structure formed by upper and lower horizontal portions and right and left vertical portions. It is preferable that one or more horizontal and an inclined reinforcing bars are provided for reinforcement, and the lower handrail 40 is installed at a position where the bumpers of the vehicle collide. The lower handrail 40 is not limited to the one shown in the drawings, and various structures capable of displaying a pattern together with strength reinforcement are possible.
The lower handrail 40 may be a circular or square pipe having an internal hollow structure and may be of various structures, while being elastically supported by the lower side elastic connection 50 to protrude forward of the support 20.
As shown in FIGS. 5, 6 and 7, the lower side elastic coupling 50 includes a central column fixing part 51 having a substantially semicircle shape surrounding the periphery of the column 20, The leaf spring is composed of wing portions (52, 53) extended from both sides of the wing portion (52, 53) and joined to the neighboring lower handrail (40) 55 are formed in the wing portions 52 and 53 for elastic behavior and are formed in the wing portions 52 and 53 through the upper and lower hand rails 40 and 40, (Which may be a bolt and a nut) 56 are fastened to the fastening holes of the upper handrail 40 and the lower handrail 40. The lower side elastic connector 50 can be made of various materials such as spring steel and synthetic resin.
When the impact is applied from the outside, the lower side elastic connection 50 having the above-described structure is pushed by the external force to the wing portions 52 and 53 with the pillar holding portion 51 fixed to the pillar 20 as a fulcrum, Thereby guiding the elastic behavior of the rail 40.
The lower elastic link 50 is fixed to the opposite side surface of the support 20 while the wing portions 52 and 53 are fixed to the outer surface of the lower handrail 40 So that the lower handrail 40 protrudes more toward the road than the post 20.
The lower handrail 40 is configured such that only a part of the lower handrail 40 protrudes from the support posts 20 in order to reduce the damage of the lower side elastic connection 50 while being elastically moved by the lower side elastic connection 50 The diameter of the column 20 and the size of the elastic connection 50 on the lower side are adjusted.
Since the lower side elastic connector 50 is installed on the opposite side of the road, it does not cause direct collision with the vehicle and therefore does not cause breakage.
The movement guide pin 56 for assembling the lower handrail 40 and the lower side elastic connection 50 has an outer diameter smaller than that of the elongated holes 54 and 55 of the lower side elastic connection 50, Thereby enabling the elastic behavior of the lower handrail 40 to be performed.
The construction of the guard fence having the buffer type handrail according to the present embodiment is carried out in the order of installation of the column 20-installation of the upper handrail 30 and the lower handrail 40, The foundation base 10 is installed through a plurality of anchors on a base portion (such as a concrete foundation portion) constructed on the ground or the ground and the lower handrail 40 is installed between the supports 20 through the lower side elastic connection , And the upper handrail (30) is installed on the support (20).
The lower handrail 40 is installed to allow elastic behavior through the lower side elastic connection 50. When the vehicle collides with the lower handrail 40, ) First clash with the vehicle.
The impact applied to the lower handrail 40 is transferred to the lower side elastic connection 50 and the lower side elastic connection 50 is elastically deformed by the impact energy transferred from the lower handrail 40, Since the lower handrail 40 and the lower side elastic connection port 50 are connected to each other through the elongated holes 54 and 55, As the guide pin 56 moves along the elongated holes 54 and 55 of the lower elastic link 50, it absorbs the impact as much as it moves, thereby reducing damage to the vehicle and the fence.
Even if the vehicle collides with the fence, the lower handrail 40 and the lower side elastic connector 50 absorb a lot of impact energy, and the vehicle can be turned from the fence through this process. Therefore, (20) is not directly impacted. Even if the upper handrail 40 is directly impacted, the upper handrail 30 exerts a supporting force on the support 20 as a support base to prevent the vehicle from being pushed. At this time, the lower side elastic connection 50 Thereby supporting the lower handrail 40, thereby preventing damage to the vehicle and delaying the vehicle's pivoting.
That is, since the lower handrail 40 protrudes more toward the road than the support 20, the lower handrail 40 is subjected to a first collision and the upper handrail 30 is subjected to a second collision, It is effective to reduce the damage of the vehicle and the fence through the buffering step.
≪ Example 2 >
8 to 10, a protective fence having a buffer type handrail according to the present embodiment includes a base base 10, pillars 20 standing upright on the base base 10, And a lower handrail 40 fixed to the support 20 by a lower side elastic connection 70. The base handrail 30 and the lower handrail 40 are fixed to the base 20 and the base 20, The support 20 is the same as the first embodiment described above and differs from the first embodiment in that the upper handrail 30 is provided on the support 20 via the upper side elastic connection 60. The lower handrail 40 Is protruded through the front side (road side) of the support pillars 20 through the lower side elastic connection port 70.
The upper handrail 30 is provided between the supports 20 as a pipe having an outer diameter smaller than that of the column 20 (an empty structure as a whole for assembling the upper side elastic connection 60 or a space on both sides in the longitudinal direction) And are arranged in a line with the columns 20 so as not to protrude from the column 20 and to be elastically deformable in the column 20 through the upper side elastic connection 60, As shown in FIG.
10 and 11, the upper side elastic coupling 60 of the upper handrail 30 includes a column fixing portion 61 which is fixed to the column 20 while surrounding the periphery of the column 20, The wings 62 and 63 each having elongated holes 64 and 65 extending in the direction of the upper handrail 30 from both the left and right sides of the door 61 and inserted into the upper handrail 30 and having a length in the transverse direction, And is installed symmetrically with the support 20 on the opposite side of the road.
The upper side elastic connection (60) is fixed to the support (20) via the fastener (66).
The fixing of the upper handrail 30 and the upper side elastic connector 60 is performed by fixing the upper handrail 30 and the wings 62 and 63 in a state where the wings 62 and 63 are inserted into the upper handrail 30. [ The movable guide pin 67 (which may be a bolt and a nut) is fastened to the elongated holes 64 and 65 of the guide pin 67. [ The movement guide pin 67 has an outer diameter smaller than the width of the long holes 64 and 65 so that the elastic movement of the upper side elastic coupling 60 can be performed.
That is, when the vehicle collides with the upper handrail 30, the motion guide pin 67 moves along the elongated holes 64 and 65 of the upper side elastic coupling 60, while the upper handrail 30 is pushed, And then the upper side elastic connector 60 is elastically deformed to buffer the impact energy.
The upper side elastic coupling 60 is assembled symmetrically on both sides of the column 20 to exert a great elastic force to maximize the cushioning effect even though the upper handrail 30 is rigidly installed.
It is also possible that the cushioning material 68 is applied together with the behavior guide pin 67.
The cushioning material 68 is in the form of a cylinder or a coil and is coupled to the periphery of the motion guide pin 67, that is, applied at two positions between the wing portions 62, 63 and the upper handrail 30, The spring steel and the synthetic resin are used as materials. The cushioning material 68 is applicable not only to the upper side elastic connection but also to the lower side elastic connection.
Of course, it is also possible that only one of the upper side elastic connectors 60 is applied as shown in FIG. One upper side elastic connection 60 is provided on the opposite side of the road so that the upper handrail 30 can be elastically moved by a collision of the vehicle.
13, the upper side elastic connector 60 can be applied to the outer side of the pillar fixing portion 61 (the reinforcing piece 69 can also be applied to the case of Fig. 5) Do. The reinforcing piece 69 is a curved plate having a curvature smaller than that of the holding portion 61. The left and right sides of the reinforcing piece 69 are supported between the holding portion 61 and the wings 62, 63).
The supporting piece 69 can be applied to more than two pieces, and as the distance from the supporting piece 20 is gradually reduced and the length is shortened, the supporting position is changed, And a chain supporting force is ensured, thereby minimizing the jamming of the upper handrail 30.
The lower handrail 40 is not limited to being projected from the column 20 but may also be arranged in line with the upper handrail 30 and not protruding from the column 20.
That is, in the present invention, only the lower handrail 40 protrudes from the column 20, both the lower handrail 40 and the upper handrail 30 protrude from the column 20, the lower handrail 40 Both the upper handrail 30 and the lower handrail 40 do not protrude from the support 20 and do not protrude from the support 20 All that is possible is to be included].
In the first embodiment, the lower handrail 40 is disposed between the support posts 20 and protrudes forward from the support posts 20. As shown in FIGS. 14 and 15, 40 are provided in front of the support pillars 20, and a lower side elastic connector 70 corresponding to this structure is used.
The lower elastic link 70 is a circular structure having an inner diameter that surrounds the lower handrail 40 and has an opening at one side of the lower handrail 40. The opening between the lower handrail 40 and the support 20 is a lower handrail 40 And is fixed together with the lower handrail 40 and the support 20 through the fastening hole 71 in the state where the opposite side edge portion abuts the support 20.
The lower side elastic connector 70 is buffered in size and structure to form a buffer space with the lower handrail 31.
In addition, an elastic reinforcing piece 72 for increasing the supporting force of the lower handrail 40 may be applied to the lower side elastic connector 70.
The elastic reinforcing piece 72 may be a curved line or a straight plate having a curvature larger than that of the lower side elastic connecting piece 70. The center portion of the elastic reinforcing piece 72 contacts the outer peripheral surface of the lower handrail 40, At this time, a space is formed between the lower side elastic connector 70 and the lower side elastic connector 70. At this time, the lower side elastic connection 70 supports the lower handrail 40 by the elastic reinforcing piece 72, and the elastic reinforcing piece 72 is bent in the lower hand direction due to the difference in curvature with the lower side elastic connection 70, Even if the rail 40 is pushed, a space is formed with the lower side elastic connector 70.
When the vehicle collides with the lower handrail 40, the lower handrail 40 is contracted while the lower side elastic connector 70 is in contact with the lower handrail 40, Buffering action occurs.
As described above, the base base 10 can be installed so as to be elastically movable on the base portion (ground surface or the like) through the base elastic means. As shown in FIGS. 16 to 18, the base elastic means 100, The pillar 20 is installed in a pivot form. When the external force is applied, the pillar 20 is inclined while absorbing external force, and when the external force is extinguished, the pillar 20 is restored to its original state.
The base elastic means 100 is fixed to the ground via an anchor bolt buried in the ground and is supported in contact with a guide plate 21 formed at an upper portion of the lower portion of the lower end of the support 20 to be inclined upward toward the center The base support member 110 is deformed from the base base 10 and one end portion is pivotally coupled to the base support member 110 and the other end is positioned inside the support 20, And a resilient member 130 provided inside the lower end of the support 20 such that the support shaft 120 and the support 20 are elastically supported by the support shaft 120. [
The base support member 110 has a base plate 111 fixed to the ground and a seating plate 112 bonded to the base plate 111 to guide the support 20. [
The base plate 111 is coupled to the anchor bolt 115 through a nut and has an installation through hole 113 for installing the elastic member 130 at the center.
In addition, the seating plate 112 is coupled to the upper surface of the base plate 111.
The seating plate 112 is bonded to the base plate 111 through a bonding method such as welding, bolt, rivet, or the like.
The seating plate 112 is joined to the upper surface of the base plate 111 so that the supporting shaft member 120 is penetrated and supported and the guide plate 21 of the supporting column 20 is held in contact with the outer surface.
The seating plate 112 has a semi-circular shape so that the guide plate 21 can be easily and smoothly guided in contact with the guide plate 21. At this time, the seating plate 112 protrudes upward and has a semicircular shape, and a flow hole 114 is formed at the center so that the supporting shaft member 120 is inclined together with the movement of the support 20.
The supporting shaft member 120 has a supporting shaft 121 whose lower end is connected to the seating plate 112 and the other end is located inside the supporting column 20 and the supporting shaft 121 is connected to the elastic member 130 And anti-release plates 122 and 123 respectively coupled to upper and lower ends of the support shaft 121 so as to be resiliently supported.
The support shaft 121 is fastened to the upper and lower fixing nut members 124 and 125 so that the separation prevention plates 122 and 123 are stably engaged. Accordingly, the support shaft 121 is formed with threads on the outer circumferential surface (upper and lower, or the entire surface) so that the fixing nut members 124 and 125 can be fastened. The fixing nut members 124 and 125 adjust the elastic force of the elastic member 130 according to the screwing position. When the support shaft 121 is a bolt having a head, the fixing nut member is fastened only to one side of the upper or lower side.
The separation prevention plates 122 and 123 are respectively coupled to the upper and lower ends of the support shaft 121 through the fixing nut members 124 and 125 to prevent the support shaft 121 from being separated from the seating plate 112 and the elastic member 130 do.
Further, the separation preventing plates 122 and 123 are formed in a semicircular shape so that they can be smoothly raised and restored after the struts 20 are inclined.
The semicircular separation prevention plate 122.123 reduces the contact area between the seating plate 112 and the elastic member 130 so that the support 20 can be tilted and raised smoothly.
The elastic member 130 includes a movable support plate 131 movably inserted in the support 20 so as to be caught by the upper end separation prevention plate 122 of the support shaft member 121, A fixed support plate 132 which is spaced from the support plate 20 and which is connected to the support 20 and through which the support shaft 121 passes and a spring member 133 which elastically supports the support plate 20 to the movable support plate 131 Respectively.
A through hole is formed in the center of the moving support plate 131 so that the support shaft 121 penetrates through the through hole and a central portion of the upper side release prevention plate 122 is seated. The movement support plate 131 is smoothly moved to the center of the through hole due to the elasticity of the spring member 133 even if the semicircular release prevention plate 122 is detached from the through hole due to the inclination of the support 20. [ . That is, the movable support plate 131 paired with the escape prevention plate 122 leads to a more smooth standing of the support post 20.
The fixed support plate 132 is coupled to the post 20 to support the spring member 133. The outer surface of the fixed support plate 132 is joined to the inner surface of the column 20 and the through hole is formed at the center so that the support shaft 121 passes through the through hole.
The upper end of the spring member 133 is in contact with the lower surface of the movable support plate 131 and the lower end thereof is in contact with the upper surface of the fixed support plate 132. The spring member 133 elastically supports the moving support plate 131 in the upward direction so that the column 20, which has been inclined due to the impact, stands upright.
19 shows a modified form of the movement support plate 122 according to an embodiment of the present invention in which the movement support plate 122 is moved in a direction in which the upper side release prevention plate 122 A semicircular contact portion 134 is formed at the center so as to be smoothly and easily restored to the central portion.
The abutting portion 134 further reduces friction between the escape prevention plate 122 and the movement support plate 131 so that the escape prevention plate 122 moves more smoothly along the outer surface of the movement support plate 131. [ As a result, the pillars 20 tilted by the elastic force of the spring member 133 are caused to rise more smoothly.
10: foundation base, 20: holding
30: upper handrail, 40: lower handrail
50, 60, 70: elastic connector, 51, 61:
52, 53, 62, 63: wing portion, 54, 55, 64, 65:
56, 67: behavior guide pin, 100: basic elastic means
110: base support member, 120: support shaft member
130: elastic member,
Claims (10)
A strut standing on each of the foundation bases;
An upper handrail and a lower handrail arranged vertically between the struts to block a space between the struts;
And a lower side elastic coupling member connecting the lower handrail to the strut and connecting the lower handrail so as to elastically move by an impact applied from the outside,
The lower elastic link is formed by extending from the left and right sides of the column fixing part and being inserted into the neighboring lower hand rails, And a wing portion for guiding the elastic behavior of the lower handrail while being pushed by an external force when an impact is applied from the outside, wherein one or a pair of the wing portions are symmetrically provided on the support,
Wherein the wing portion is provided with a lateral slot and the movement guide pin is connected to the lower handrail and the wing portion through the elongated hole so that the movement guide pin moves laterally along the slot, In addition,
And a cushioning material in the form of a cylinder or a coil is provided at two places between the wing portion and the lower handrail as a circumferential portion of the behavior guide pin to buffer front and rear impacts of the lower handrail. Having a protective fence.
A strut standing on each of the foundation bases;
An upper handrail and a lower handrail arranged vertically between the struts to block a space between the struts;
And a lower side elastic coupling member connecting the lower handrail to the strut and connecting the lower handrail so as to elastically move by an impact applied from the outside,
Wherein the lower elastic link is formed by a column fixing part which is fixed while being in contact with the support, a connection guide pin which is extended from both left and right sides of the column fixing part and connected to neighboring lower hand rails, The lower handrail being pushed by the lower handrail and guiding the elastic behavior of the lower handrail; a plate member having a curved cross section, the plate member being fixed to the outer circumferential surface of the pillar fixing part and having both left and right sides supported between the pillar fixing part and the pawl part, And at least one reinforcing member for reinforcing the reinforcing member,
Wherein the wing portion is provided with a lateral slot and the movement guide pin is connected to the lower handrail and the wing portion through the elongated hole so that the movement guide pin moves laterally along the slot, In addition,
The lower side elastic connector is fixed to the opposite side of the supporting post of the strut while the lower side elastic connection is fixed to the opposite side surface of the lower handrail adjacent to the strut so that the lower handrail protrudes more toward the road than the strut A protective fence with a buffered handrail.
A strut standing on each of the foundation bases;
An upper handrail and a lower handrail arranged vertically between the struts to block a space between the struts;
And a lower side elastic connector connecting the lower handrail to the strut, the lower side elastic connector connecting the handrail in a resilient manner by an external impact,
Wherein the lower handrail protrudes from the pillar toward the road,
The lower side elastic connector 70 is a circular structure having a size that forms a buffer space between the lower handrail and the lower handrail and has an opening at one side thereof, Wherein an opening portion surrounds the lower handrail and an opposite circumferential portion is fixed to the support to support the lower handrail,
And the upper and lower elastic linking parts are respectively supported on the inner wall of the lower elastic linking part to be inserted into the lower elastic linking part 70 so as to support the lower handrail 40 Wherein the resilient reinforcing piece (72) is provided with a resilient reinforcing piece (72).
A first step of setting up a column 20 with a predetermined interval therebetween and anchoring the foundation base 10 formed on the bottom of the column to a base or a ground formed on the ground;
And a second step of installing an upper handrail (30) and a lower handrail (40) between the supports installed through the first step,
Wherein the second step is provided so that the lower handrail is installed in a line with the upper handrail through a lower side elastic connection or protruded to the road side more than the support via a lower side elastic connection, Of the fence.
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| KR1020150167844A KR101630851B1 (en) | 2015-11-27 | 2015-11-27 | Safety fence for shock-absorbing using elastic joint, and method for constructing this same |
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| KR1020150167844A KR101630851B1 (en) | 2015-11-27 | 2015-11-27 | Safety fence for shock-absorbing using elastic joint, and method for constructing this same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101790196B1 (en) * | 2017-01-26 | 2017-11-20 | (주)큰그림 | The pillar for road |
| CN111335161A (en) * | 2020-03-16 | 2020-06-26 | 台州学院 | Foldable guardrail |
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| KR200327704Y1 (en) * | 2003-06-25 | 2003-09-26 | 정한샘 | An assembly type fence |
| KR20100117161A (en) * | 2009-04-24 | 2010-11-03 | (주)엘지하우시스 | Constructing system of cylindrical fence |
| KR101078604B1 (en) * | 2011-05-06 | 2011-11-01 | 동신공영주식회사 | A prefabricated fence |
| KR101139013B1 (en) | 2011-08-31 | 2012-04-26 | 뉴그린창신 주식회사 | Safety fence for shock-absorbing |
| KR101213761B1 (en) * | 2012-10-04 | 2012-12-18 | 뉴그린창신 주식회사 | Pedestrian protection fence for shock-absorbing |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200327704Y1 (en) * | 2003-06-25 | 2003-09-26 | 정한샘 | An assembly type fence |
| KR20100117161A (en) * | 2009-04-24 | 2010-11-03 | (주)엘지하우시스 | Constructing system of cylindrical fence |
| KR101078604B1 (en) * | 2011-05-06 | 2011-11-01 | 동신공영주식회사 | A prefabricated fence |
| KR101139013B1 (en) | 2011-08-31 | 2012-04-26 | 뉴그린창신 주식회사 | Safety fence for shock-absorbing |
| KR101213761B1 (en) * | 2012-10-04 | 2012-12-18 | 뉴그린창신 주식회사 | Pedestrian protection fence for shock-absorbing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101790196B1 (en) * | 2017-01-26 | 2017-11-20 | (주)큰그림 | The pillar for road |
| CN111335161A (en) * | 2020-03-16 | 2020-06-26 | 台州学院 | Foldable guardrail |
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