JP2893028B2 - Snow fence - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blow-off type snow fence having a feature in a folding and storing mechanism of a snow-proof plate except in winter.

[0002]

2. Description of the Related Art A conventional example of the snow fence will be described with reference to FIG.
It is erected with anchor bolts or the like, and the two ends of the snowproof plate e are pivotally mounted between the support members d at the ends of the support frames c protruding from the upper portions of the respective columns b. The snow plate e is shown in FIG.
As shown in FIG.
Is located at an appropriate height and slope at a position close to the side of the road, and collects and passes the snow blizzard to a height of 1 m or less on the road surface, reduces the visibility obstruction of passing vehicles, and reduces winter traffic in cold snowy regions. From the viewpoint of traffic, beauty, and the like, the snow protection plate is horizontally rotated to form a large gap or to be dismantled and removed from the viewpoint of traffic, aesthetics, and the like, except in winter. In addition, a mechanism has been developed in which a guide member is provided along a column, each snowproof plate is mounted on the guide member so as to be movable up and down, and each snowproof plate is moved upward or downward to be folded and accommodated.

[0003]

In the conventional snow fence, each snow protection plate is horizontally installed between the front ends of the support frames on the upper portions of the pillars, and is arranged close to the side of the road. However, even if the space is made horizontal and the gap is enlarged or folded up or down, there is a limit to the visibility of the side of the road, and there is a problem in traffic safety due to being placed near the road. In addition, there is a problem that the removal and removal of the snowproof plate requires a lot of trouble and the storage becomes troublesome.

[0004] The present invention has been developed to address the above-mentioned problems. The object of the present invention is to divide a snow-prevention plate, which is provided between columns, into a plurality of sheets and divide the snow-prevention plate into a plurality of sheets. Another object of the present invention is to provide a snow-proof fence that can be extended and retracted in the direction and is arranged so as to be able to move back and forth with respect to a support post to improve the folding accommodation performance.

[0005]

SUMMARY OF THE INVENTION According to the present invention, an upper and lower horizontal guide member is erected between columns provided on a side of a road.
Equipped with a plurality of snowboards that are placed between the upper and lower horizontal guide members and move horizontally and are folded, and each snowboard is equipped with a telescopic / folding mechanism, so that each snowboard can be easily folded and stored. And compact.

In the snow fence, a support frame which is moved back and forth by a front and rear moving mechanism is provided on an upper portion of the pillar, and the upper and lower horizontal guide members are provided between the front portions of the support frame. With this, each folded snowboard can be stored on the side of the pole away from the road, and with traffic safety,
Folding capacity is further improved.

[0007]

[Function] A plurality of snow shields are provided between upper and lower horizontal guide members so as to be laterally movable and foldable. The snow shields are provided with a telescopic / folding mechanism. By extension of the telescopic / folding mechanism, each snow protection plate is arranged and fixed in series between the columns, and is easily disposed at the snow protection operation position. It is easily moved to the side of the column (support frame)
Housed compactly.

Each of the support frames provided on the upper portion of the column is moved back and forth by the front / rear movement mechanism, and the upper guide member and the respective snow-prevention plates provided between the front portions of the support frame are connected to the support frame. In the snow protection operation position, the snow protection function is advanced to approach the road to enhance the snow protection function, and at the time of the folding, it is retracted and moved away from the road, and each snow protection plate is folded and housed compactly on the side of the column.

[0009]

1 to 3 show an embodiment of the present invention.
In the figure, reference numeral 1 denotes a column which is erected at an appropriate interval on a side of the road a, 2 denotes a support frame which is disposed on the upper portion of the column 1 so as to be movable back and forth, and 3 denotes an upper horizontal guide provided between the columns 1. Reference numeral 4 denotes a lower horizontal guide member erected between the columns 1, 5 denotes a snow-proof plate,
Numeral 6 denotes a telescopic / folding mechanism, and numeral 7 denotes a mechanism for moving the support frame 2 back and forth. In the first embodiment of the present invention, the upper and lower horizontal guide members 3 are provided between the columns 1 disposed on the side of the road a. , 4 are mounted directly or by appropriate supporting means, and a plurality of snow protection plates 5 arranged between the upper and lower horizontal guide members 3, 4 and laterally moved and folded are provided. 5 has a snowproof fence with a telescopic / folding mechanism 6 attached. Further, in the second embodiment, in the snow fence, support frames 2 which are moved back and forth by a back and forth moving mechanism 7 are respectively arranged above the columns 1,
The upper and lower horizontal guide members 3 and 4 are provided between the front portions of the support frame 2 to form a snow fence.

Each strut 1 is built on the side of the road a with a foundation 11, a plurality of anchor bolts 12, and the like, and braces are arranged between the struts 1 as needed to reinforce the struts. A support frame 2 composed of a plurality of horizontal support members 2a and a support member 2b obliquely provided between the distal ends of the horizontal support members 2a is disposed on the upper portion of each of the support columns 1. 2a is supported by a guide roller 7a and a guide 7b disposed on the support column 1 so as to be movable back and forth (with respect to the road a), and has a pin 7c.
, And is fixed to the front and rear movement positions, and is constituted by the front and rear movement mechanism 7. Further, both ends of the upper and lower horizontal guide members 3 and 4 are fixed to the support member 2b by appropriate means and installed, and are provided in a plurality of stages (two stages in the illustrated example).

As shown in FIG. 1, the snow shield 5 is divided into a plurality (five in the drawing) and is rotatably supported on the vertical axis, as compared with the conventional snow shield. Are mounted on the upper and lower horizontal guide members 3 and 4 so as to be movable laterally. As shown in FIG. 2, the telescopic / folding mechanism 6 is composed of a link mechanism in which a number of links 6a are attached to a shaft 6b so as to be expandable / contractible and foldable, and fixed portions 6c provided at both ends of the link mechanism. When the upper and lower sides of the plate 5 are attached to the ends of the links 6a by shaft attachments 6b, and the link mechanism is extended, each snowproof plate 5 is arranged in a series between the columns 1 (see FIGS. 1 and 2A). The fixing portion 6c is fixed to the support member 2b of the support frame 2 with bolts or the like, and each snow protection plate 5 is fixedly arranged at the snow protection operation position. In addition, the fixing portion 6c is removed, and the respective snowproof plates 5 are folded together with the expansion / contraction / folding mechanism 6, accommodated in the side portions of the support frame 2, and fixed compactly by appropriate means (FIGS. 3, FIG. 2B).

As shown in FIG. 1, the respective snowproof plates 5 are arranged and fixed in series between the columns 1 by extending the expansion / contraction / folding mechanism 6 and fixing both ends of the support frame 2 to the support member 2b. Then, as shown in FIG. 1B, the support frame 2 is disposed at the normal snow-proof operation position by the front-rear movement mechanism 7 at the forward position close to the road a side, and the snow blizzard is collected and passed 1 m or less on the road surface, By reducing the visibility obstruction of passing vehicles, winter traffic in snowy and cold regions can be secured safely. In addition to the winter season, the snow protection boards 5 are folded and accommodated on the side of the column 1 from the viewpoints of traffic, beauty and the like. That is, the fixing portion 6c of the expansion / contraction / folding mechanism 6 is removed, and it is laterally moved with each snow-proof plate 5 to be easily folded and accommodated compactly in the support member 2b of the support frame 2 in a superposed state. 7, the support frame 2 is moved backward to the support 1 side and fixed, and the front portion of the support frame 2 is housed compactly in the side of the support 1 together with the folded group of snow protection plates 5 and fixed by appropriate means. (See FIG. 3). Each snow protection plate 5 is easily switched between the snow protection operation position and the folded storage position by the lateral movement and the back and forth movement, and in the snow protection operation position, each snow protection plate is disposed at a desired fixed position close to the road, Its snow protection performance and reliability are enhanced, and in the folding storage position, each snow protection plate is retracted from the road, and is stowed very compactly on the side of the column and has excellent folding storage performance. The visibility on the side of the road is significantly widened, and traffic safety is improved.

As shown in FIGS. 1A and 1B, each of the snow plates 5 is disposed in a plurality of upper and lower stages, and is mounted so as to be rotatable with respect to upper and lower longitudinal axes 5a with rollers. The upper and lower portions of the lower snow plate are connected 2d to facilitate folding and lateral movement to further enhance operability. The expansion / contraction / folding mechanism 6 connects each side edge of each snow protection plate 5 so as to be directly expandable / contractible by a hinge mechanism or the like, or connects each snow protection plate 5 to a pantograph-like mechanism in which a number of links are connected in an X-shape. , And a mechanism that is connected so as to be able to expand and contract and fold. Also, the center part can be separated and connected freely by appropriate means,
A configuration in which the snowproof plate 5 between the columns 1 is divided into the left and right columns 1 so as to be folded and accommodated is also possible. Further, various mechanisms are also applied to the front-rear movement mechanism 7, the lateral movement mechanism of each snow protection plate 5, and the like.

[0014]

According to the present invention, a plurality of snow plates are provided between the support columns and between the upper and lower horizontal guide members so as to be movable and foldable. Expansion and contraction
A folding mechanism is attached, and the snow-prevention boards are arranged and fixed in series between the columns by extension of the expansion / contraction mechanism, and are easily disposed in the snow-proof operation position, and the folding of the expansion / contraction mechanism is performed. Each snow plate is easily moved laterally and folded, and is compactly stored on the side of the column (support frame).
The folding operability of the snow-resistant plate and the storage capacity thereof are remarkably improved.

Each support frame on the upper portion of the column is moved back and forth by the front-rear movement mechanism, and each snow-prevention plate is advanced to a snow-prevention operation position close to the road, and the snow-prevention function is enhanced.
It is retracted away from the road, folded and compactly housed on the side of the column, providing excellent folding capacity and reliability.

[Brief description of the drawings]

FIG. 1 is a front view (A) showing an embodiment of the present invention and an arrow X.
b-Xb view enlarged view (B)

FIG. 2 is an enlarged view (A) of FIG. 1 as viewed in the direction of arrow Ya-Ya and FIG.

FIG. 3A is a front view showing a folded state of the embodiment, and FIG.
b-Zb view enlarged view (B)

FIG. 4 is a front view (A) showing a conventional example and an enlarged view (B) as viewed in the direction of arrows Wb-Wb.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Prop 2 (2a-2d) Support frame 3 Upper horizontal guide member 4 Lower horizontal guide member 5 (5a) Snowproof plate 6 (6a-6c) Extension / folding mechanism 7 (7a-7c) Front-back movement mechanism

Claims (2)

(57) [Claims] An upper and lower horizontal guide member is erected between pillars disposed on a road side, and a plurality of snow protection plates are disposed between the upper and lower horizontal guide members and laterally moved and folded. The snow fence is characterized by having a telescopic and folding mechanism attached to each snow plate. 2. The snow fence according to claim 1, wherein a support frame which is moved back and forth by a front and rear movement mechanism is disposed on each of the support posts, and the upper and lower horizontal guides are provided between the front portions of the support frame. A snow fence, in which members are erected.