JP3825361B2 - Wind-up wind and snow fence - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wind-type windproof / snowproof fence used for windproof and snowproof purposes.
[0002]
[Prior art]
Conventionally, as a wind-up windproof / snowproof fence, a grid-like or cocoon-like shielding sheet is provided between an upper beam that can be moved up and down between adjacent columns and a lower beam that can be rotated between adjacent columns. There has been proposed a take-up and storage type fence that is provided with a locking device that extends and fixes an upper beam to a column and winds a shielding sheet around the lower beam when not in use.
[0003]
Moreover, as a snow fence which bends a support | pillar, it has two opposing support | pillars, the upper frame and lower frame provided between support | pillars, and a fence main body, and each support | pillar body is mutually parallel in the state where each support | pillar main body stood upright. , Arranged to bend on the opposite strut side, the upper frame is detachably connected to the upper part of each upright column, the lower frame is detachably connected to the lower part of each upright column, The frame body is detachably attached to the upright columns and the upper and lower frames connected to the columns, and there is already a snow fence for folding the columns when not in use.
[0004]
[Problems to be solved by the invention]
Wind protection and snow protection fences installed along roads are important protective facilities that attenuate the lateral wind force during strong winds acting on passing vehicles, weaken snow on the road surface, and ensure safe driving of vehicles. Visibility is obstructed during relatively stable weather conditions, especially in scenic areas.
Therefore, as described above, a retractable storage fence that winds the shielding sheet around the lower beam when not in use and a snow fence that folds the support pillar when not in use have been proposed and devised so as not to damage the landscape. Yes.
[0005]
However, the retractable fence requires an upper beam and a lower beam to extend the fence. When the lower beam is rotated and the shielding sheet is wound around the lower beam, the upper beam also descends together and remains in a state where the upper beam and the lower beam are passed between adjacent columns. At the same time, the remaining pillars become annoying while standing upright.
[0006]
In addition, a snow fence that can fold the pillar requires a side attachment bar, an upper frame, and a lower frame to attach the fence body. When the fence is not in use, the fence body, the upper frame, and the lower frame must be removed from each pillar. And the pillar is bent to the side of the opposite pillar, it appears in two steps with the side mounting bar attached, the problem remains in the landscape and the upper and lower frames are attached at the time of use, and then the fence body again Had to be attached, and had the problem of being very troublesome.
[0007]
From the above points, the present invention configures the wall surface during strong winds or snowfall to attenuate lateral wind force, weaken snow on the road surface to ensure safe driving of the vehicle, and ensure visibility in relatively stable and mild weather conditions Therefore, it is intended to provide a wind-up wind and snow fence that can easily stretch and wind up the net without damaging the scenery.
[0008]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the winding type windproof / snowproof fence according to the first aspect of the present invention has a support column composed of an upper support column and a base support column, a winding roller is provided on the upper support column, and between adjacent upper support columns. The winding roller is provided with a net so that it can be wound, and is extended toward the side of the adjacent column, and the upper column is provided on the base column so as to be tiltable in the direction in which the net is extended. To do.
[0009]
By adopting such a configuration, when the net is extended toward the adjacent support column, a wall surface is formed between the support columns, and functions such as wind protection and snow protection are provided.
In a relatively stable and mild weather condition, the field of view is secured by winding the net on the support column side, and the view is prevented from being damaged.
In addition, since the winding is wound on the column side, the space between the columns is completely opened, and there is nothing that blocks the view.
Further, if the upper support column is tilted in the net extending direction after the net is wound on the upper support column, the upper side from the base support column does not block the field of view, and the view is prevented from being damaged.
[0010]
Next, the winding type windproof / snowproof fence of the present invention according to claim 2 is the winding type windproof / snowproof fence according to claim 1, wherein the winding roller of the net is provided on one side of the column in parallel with the column. Further, the extended end of the net of the support column adjacent to the side surface is detachably attached to the other side surface of the support column.
[0011]
By adopting such a configuration, the net is stretched by pulling out the stretched end of the net being wound while rotating the winding roller in the opposite direction of winding, and on the side opposite to the side having the winding roller of the adjacent column. Attach to the side.
Further, in the winding of the net, the stretched end of the net is removed from the side surface of the adjacent column, and the winding roller is rotated in the direction in which the net is wound.
[0012]
Next, the winding type windproof / snow fence of the present invention according to claim 3 is characterized in that the guard rail is provided between the base columns in the winding type windproof / snow fence of claim 1 or 2 . It is.
[0013]
With such a configuration, when installed along a road, it is possible to ensure safe driving of the vehicle by the guard rail, and it is possible to prevent the tilted column from being damaged by the presence of the guard rail even if the vehicle collides with the guard rail. It helps to protect the column.
[0014]
Next, the winding type windproof / snow fence of the present invention of claim 4 is characterized in that in the winding type windproof / snowproof fence of claim 1, 2 or 3 , the net is formed by intersecting belts vertically and horizontally. Is.
[0015]
With such a configuration, a flexible and durable net is obtained.
[0016]
Next, the winding type windproof / snow fence of the present invention according to claim 5 is the winding type windproof / snow fence according to claim 4, wherein the belt is formed of synthetic fiber, natural fiber or a combination of synthetic fiber and natural fiber. It is characterized by that.
[0017]
By adopting such a configuration, since the belt uses synthetic fiber or natural fiber, the material has a tensile strength compared to that of the synthetic resin.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
1 is a front view showing an embodiment of a wind-type windproof / snowproof fence according to the present invention, FIG. 2 is an enlarged vertical side view of FIG. 1, and FIG. 3 is an enlarged plan view of FIG.
[0019]
Thus, in the figure, reference numeral 1 denotes a support column which is erected at a constant interval. A plurality of support columns 1 are installed, and a net 2 is extended between adjacent support columns 1.
The support column 1 is composed of a base support column 3 fixed at an installation location, and an upper support column 4 that is inclined with respect to the base support column 3 in the extending direction of the net 2.
[0020]
The base column 3 is made of H-shaped steel, and is disposed with the adjacent base column 3 facing the groove so that the groove is on the side surface side.
Also, the lower part of the vertically long bearing plate 6 provided with the bearing 5 inside is fixed to the upper part of the front wall 3A and the rear wall 3B of the base column 3 with fixing members 7 such as bolts and nuts.
[0021]
A guard rail 8 is provided between the bearing plates 6A on the front surface of the adjacent base column 3, and the end is fixed to the bearing plate 6A with a fastening member 9 such as a bolt and a nut.
The guardrail 8 is composed of a folded plate in which peaks and valleys extending in the longitudinal direction are alternately formed in the vertical direction.
[0022]
Next, the upper support column 4 is made of H-shaped steel upwardly spaced slightly from the base support column 3, and is disposed with the adjacent upper support column 4 facing the groove so that the groove becomes a side surface.
A support shaft 10 protrudes from the front wall 4A and the rear wall 4B of the upper support column 4 below the upper support column 4. The support shaft 10 pivots on a bearing 5 provided on the bearing plate 6 of the base support column 3. It is inserted as possible.
[0023]
Further, a horizontal bracket 11 is fixed by welding or the like at the upper end of one side of the partition wall 4C at the center of the upper column 4 and near the lower side, and the winding roller 12 that rotates horizontally between the upper and lower brackets 11 is fixed. The upper and lower ends of the rotation shaft 13 are pivotally supported.
A plurality of rings 14 are horizontally provided at a predetermined interval in the vertical direction of the other side surface of the partition wall 4C of the upper column 4. The ring body 14 is provided on the front side of the partition wall 4C.
Each upper support | pillar 4 is arrange | positioned toward the same direction, and the winding roller 12 side and the ring body 14 side oppose the adjacent upper support | pillar 4 side.
[0024]
As shown in FIG. 7, the winding drive unit has a bevel gear 16 fixed to the lower end of the rotary shaft 13 of the winding roller 12 and meshed with the bevel gear 15 at an angle of 90 °. The shaft 17 is inserted into a plate-like bracket 18 projecting laterally fixed to the rear wall 4B of the upper column 4, and a handle insertion hole 19 is formed in the rear bearing plate 6B facing the end of the gear shaft 17. It has been drilled.
[0025]
The central portion of the disk 20 is fixed to the gear shaft 17, a plurality of holes 21 are formed on a circle having the same diameter on the surface of the disk 20, and one pin insertion hole is formed in the bearing plate 6 B on the rear side. The pin insertion hole 22 is provided at a position facing the hole 21, and a pin 23 is detachably inserted from the pin insertion hole 22 into the hole 21 to prevent the rotation of the bevel gear 16.
[0026]
Further, the end portion of the gear shaft 17 is formed as a square shaft 17A having a quadrangular cross section, and a handle 24 having a recess at the end portion that matches the square shaft 17A is detachably fitted to the square shaft 17A.
Needless to say, the winding drive unit is not limited to such a configuration.
[0027]
Also, cover plates 25A and 25B having a width wider than the wall surface are attached to the outside of the front wall 4A and the rear wall 4B of the upper column 4 from the upper end of the upper column 4 to the vicinity of the upper portion of the support shaft 10.
Further, the rear side cover plate 25B bends 90 ° forward to substantially the center of the depth of the upper support column 4 and opens vertically on both sides of the front side cover plate 25B with the front side cover plate 25A. 26 is formed, and the net 2 can enter and exit.
[0028]
Further, the upper support column 4 tilts to the net extending direction side (winding roller mounting side) with the support shaft 10 as a fulcrum, so that an attachment bracket 27 having a substantially U-shaped cross section is tilted to the lower portion of the upper support column 4. Several plate-shaped balance weights 28 are fixed to the mounting bracket 27 so that the upper support column 4 is held in a horizontal state when the upper support column 4 is tilted in the direction in which the net is extended. Yes. A handshake 29 is attached to both sides of the balance weight 28.
The side walls on both sides of the mounting bracket 27 are integrally fixed by welding or the like with the grooves facing the side end portions of the front wall 4A and the rear wall 4B of the upper column 4.
[0029]
A plate body 30 is provided between both side walls at the bottom of the mounting bracket 27, and bolts 31 are inserted from the plate body 30 into the partition wall 3 </ b> C of the base column 3, and the mounting bracket 27 is connected to the base column 3 by a nut 32. It is detachably fixed. As a result, the upper column 4 is kept upright with respect to the base column 3.
[0030]
Next, the net 2 is configured in a lattice shape by vertically and horizontally intersecting a belt 2A formed of synthetic fibers, natural fibers, or a combination of synthetic fibers and natural fibers.
One side end of the net 2 is fixed to the winding roller 12, and the other side end is fixed to a side attachment frame 33 extending in the vertical direction. A hook-shaped hook 34 is fixed at a position facing the ring body 14, and the hook 34 is detachably hooked on the ring body 14.
[0031]
Explaining the operation of the present invention having such a configuration, each upper column 4 is erected on the base column 3 when the net is used. The upright is held by fixing the plate body 30 of the mounting bracket 27 provided at the lower part of the upper column 4 and the partition wall 3C of the base column 3 with bolts 31 and nuts 32.
Then, the end of the handle 24 is inserted from the handle insertion hole 19 of the bearing plate 6B, fitted into the angular shaft 17A of the gear shaft 17 of the bevel gear 16, and the winding roller 12 rotates in the direction of pulling out the net 2. The net 2 is pulled out while turning the handle 24 so that the hook 34 of the side attachment frame 33 of the net 2 is hooked and fixed to the ring 14 of the adjacent upper column 4 (FIG. 6).
[0032]
After fixing the net 2, this time the handle 24 is slightly rotated in the direction of winding the net 2, and tension is applied so that the net 2 does not loosen, and the pin 23 is inserted from the pin insertion hole 22 of the rear bearing plate 6B. Then, by inserting the tip portion of the pin 23 into the hole 21 of the disk 20 provided on the gear shaft 17 of the bevel gear 16, the rotation of the bevel gear 16 is prevented, and the net 2 is tensioned between the upper columns 4. It is extended in a hanging state. The handle 24 is removed after the extension.
[0033]
Next, when not in use, the pin 23 is removed from the hole 21 of the disk 20, the handle 24 is re-fitted to the angular shaft 17 </ b> A of the gear shaft 17 of the bevel gear 16, and the winding roller 12 winds the net 2. If the handle | steering-wheel 24 is rotated so that it may rotate in the direction and the net | network 2 is wound up by the winding roller 12, between the upper support | pillars 4 will be open | released (FIG. 4).
After winding, the handle 24 is removed.
[0034]
Next, when tilting the upper column 4, remove the bolt 31 and the nut 32 that fix the lower part of the mounting bracket 27 of the upper column 4 and the lower part of the base column 4, and hold the handshake 29 of the balance weight 28 with both hands. When the balance weight 28 is lifted so as to be in a horizontal state, the upper support column 4 is rotated about the support shaft 10 and is tilted and held in the horizontal state on the support column 1 on the net extending direction side (FIG. 5).
In addition, when the upper support | pillar 4 is fallen, the upper support | pillar 4 is located in the back surface of the guardrail 8, and the front part can hardly be seen, or the support shaft 10 part can be lowered so that it cannot be seen at all.
Further, when the upper column 4 is made to stand upright, it is performed by holding the handshake 29 of the balance weight 28 with both hands and pushing down the balance weight 28.
[0035]
【The invention's effect】
According to the present invention, when the net is not used, the net is wound up to the support column side, so that the space between the support columns is completely opened, and there is no object that blocks the view, so that the scenery is not damaged.
In addition, the upper column can be tilted when not in use, and the net tilts while being wound around the upper column, so that the upper part of the base column is completely open, the landscape is good and the upper column is tilted. The work of attaching and detaching the net is saved and workability is good.
[Brief description of the drawings]
FIG. 1 is a front view showing an embodiment of a wind-up wind and snow fence according to the present invention.
FIG. 2 is an enlarged cross-sectional view showing an embodiment of the wind-up wind and snow fence according to the present invention.
FIG. 3 is an enlarged plan view showing an embodiment of the wind-up wind and snow fence according to the present invention.
FIG. 4 is a front view showing a winding state of the net of the winding type windproof / snowproof fence of the present invention.
FIG. 5 is a front view showing a state in which an upper column of the wind-up type windproof / snowproof fence of the present invention is tilted.
FIG. 6 is a partial cross-sectional view showing a hooked state of the net of the wind-type windproof / snowproof fence of the present invention.
FIG. 7 is a cross-sectional view of a winding drive unit of the winding type windproof / snowproof fence of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 support | pillar 2 net 3 base support | pillar 4 upper support | pillar 6 bearing plate 8 guard rail 10 spindle 12 winding roller 14 ring 15 and 16 bevel gear 17 gear shaft 19 handle insertion hole 20 disc 21 hole 22 pin insertion hole 23 pin 24 Handle 25A, 25B Cover plate 26 Opening 27 Mounting bracket 28 Balance weight 31 Bolt 32 Nut 33 Side mounting frame 34 Hook

Claims (5)

The strut is composed of an upper strut and a base strut, a winding roller is provided on the upper strut, a net is provided between the adjacent upper struts so that the take-up roller can be wound, and toward the adjacent strut side Winding-type windproof / snowproof fence, characterized in that it is extended and the upper support column is provided on the base support column so as to be tiltable in the direction of net extension. A net take-up roller is provided on one side of the column in parallel with the column, and the other side of the column is attached with a detachable end of the net of the column adjacent to this side. Characteristic claims 1 Winding windproof and snow fence as described. The wind-up wind and snow fence according to claim 1 or 2, wherein a guard rail is provided between the base columns. The wind-type windproof / snowproof fence according to claim 1, 2, or 3, wherein the net is formed by intersecting belts vertically and horizontally. The wind-up windproof / snowproof fence according to claim 4, wherein the belt is formed of synthetic fiber, natural fiber, or a combination of synthetic fiber and natural fiber.

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