JP2014015760A - Aerial flotation prevention fence - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fence which is installed in a dam lake, a reservoir, lakes and marshes, the ocean and other various locations and used mainly for water quality improvement or pollution control, and for more detail, to prevent a tension from being generated near the edge of the water at a mooring point of a fence sheet end portion and to prevent a fence sheet from being deformed and floated by receiving winds.SOLUTION: From a mooring point A of an end portion of a fence sheet 1 to the middle in a width (traverse) direction of the fence sheet 1 near the edge of the water, a mooring cable B such as a wire, a rope or the like is disposed, and a blowing prevention member 9 is disposed in the perpendicular direction along the fence sheet 1. In the case where a fence F is installed to be drooped to a water surface, generation of a tension in the prior arts can be prevented by unfastening the fence sheet 1 as shown by a code (f) near the edge of the water at the mooring point in the end portion of the fence sheet 1. In particular, aerial flotation of the fence F can be suppressed by making air unlikely to be stagnant in the end portion of the fence sheet 1 near the edge of the water at the mooring point A even in a low water level time (LWL time). Also, the fence sheet can be prevented from being expanded by winds and deformed as a whole, by disposing a blowing prevention member 9 in a perpendicular direction along the fence sheet 1.

Description

  The present invention relates to a fence that is installed in various places such as dam lakes, reservoirs, lakes, oceans, etc., and mainly used for improving water quality or preventing pollution. More specifically, the present invention relates to a fence near the mooring point at the end of a fence sheet. It is related with what can prevent that a fence sheet | seat deform | transforms and raises in response to a wind.

  In order to improve water quality or prevent pollution in various places such as dam lakes, reservoirs, lakes, oceans, etc., fences are usually set up so that they pass between the right bank and the left bank and are suspended from the water surface. (For example, see Patent Documents 1 and 2).

Japanese Patent Laid-Open No. 10-60874 (see FIGS. 1 to 3).

Japanese Patent Laying-Open No. 2005-120582 (see FIGS. 1 and 2).

  The installation situation of such a fence F ′ in the conventional case is as shown in the upper diagram (plan view) and the lower diagram (cross-sectional view) of FIGS. 6 (a) and 6 (b), which are schematic views. Since the end of the fence sheet 1 ′ is simply moored at the mooring point A ′ with a wire, rope or other mooring line, it is denoted by the symbol f ′ in the upper diagrams (plan views) of FIGS. 6 (a) and 6 (b). As shown, there was a drawback that the fence sheet 1 ′ was stretched near the edge of the mooring point A ′ at the end of the fence sheet 1 ′.

In addition, the fence sheet 1 ′ near the end of the fence sheet 1 ′ receives the wind and the fence sheet 1 ′, which should originally be suspended from the water surface, is deformed and floats up. In addition to being unable to perform its functions, it has the disadvantage of being extremely dangerous. Such a situation often occurred especially at the low water level [LWL] in FIG.
The object of the present invention is to eliminate such drawbacks.

  In order to achieve the above object, in the present invention, in a fence that is installed in dam lakes, reservoirs, lakes, oceans, and various other places, mainly used for improving water quality or preventing pollution, from the mooring point at the end of the fence sheet. Wires, ropes and other mooring lines are arranged up to the middle of the width of the fence sheet near the waterside, and the anti-swelling members are arranged in the vertical direction along the fence sheet.

  When the fence according to the present invention is installed in a suspended state with respect to the water surface, as shown by the symbol f in the upper diagrams (plan views) of FIGS. 1 (a) and 1 (b), which are schematic views, The fence sheet can be loosened near the edge of the mooring point at the end of the sheet, and the conventional tension can be eliminated. In particular, even at low water levels [LWL], as shown in the lower figure (cross-sectional view) of Fig. 1 (b), it is possible to make it difficult for air to collect at the end of the fence sheet near the mooring point. In addition, the floating of the fence can be suppressed.

  Further, since the anti-swelling member is arranged in the vertical direction along the fence sheet, when the fence according to the present invention is installed as described above, the entire fence sheet is prevented from being swollen and deformed by the wind. be able to. Therefore, it is possible to sufficiently ensure safety during strong winds.

  It is desirable that a plurality of anti-bleeding members are arranged at predetermined intervals in the width direction of the fence sheet. If it does in this way, when the fence by this invention is installed as mentioned above, it can prevent further that the whole fence sheet swells and deform | transforms with a wind.

  In addition to the float provided at the upper end of the fence sheet, it is desirable that an auxiliary float for holding the anti-skid member is provided. In this way, when the fence according to the present invention is installed as described above, the anti-skid member can be held by the auxiliary float that is different from the float that holds the fence sheet. Can be further prevented from swelling and deforming.

  It is desirable that the squeezing prevention member is a chain and the periphery thereof is covered with a wraparound prevention cover. In this case, when the fence according to the present invention is installed as described above, the fence sheet is not directly damaged by the chain made of stainless steel or the like, which is extremely advantageous in terms of durability.

  It is desirable for the chain to be connected to the auxiliary float via a connecting shackle. If it does in this way, when the fence by this invention is installed as mentioned above, the chain which is a squeezing prevention member can be connected to an auxiliary float very easily.

  It is desirable that the contact-preventing cover is stitched to the fence sheet. In this way, when the fence according to the present invention is installed as described above, the chain covered with the anti-rotation cover does not move irrelevantly to the fence sheet. It will be even more useful in preventing swelling and deformation.

  It is better to bind the anti-rotation cover with a rope or other binding tool. In such a case, in the case where the fence according to the present invention is installed as described above, the contact-preventing cover can be continuously held in a cylindrical shape, so that the chain covered with this contact-preventing cover is attached to the fence sheet. Can be stably suspended in the vertical direction.

  According to the first aspect of the present invention, when the fence according to the present invention is installed as described above, the fence sheet can be loosened near the edge of the mooring point at the end of the fence sheet. It is possible to eliminate the occurrence of tension. In particular, even when the water level is low [LWL], it is possible to make it difficult for air to collect at the edge of the fence sheet near the mooring point, and to prevent the fence from floating in the air. Therefore, the original function of the fence can be fully exhibited.

  Further, since the anti-swelling member is arranged in the vertical direction along the fence sheet, when the fence according to the present invention is installed as described above, the entire fence sheet is prevented from being swollen and deformed by the wind. be able to. Therefore, it is possible to sufficiently ensure safety during strong winds.

  According to the second aspect of the present invention, when the fence according to the present invention is installed as described above, a plurality of anti-skid members are arranged at predetermined intervals in the width direction of the fence sheet. It is possible to further prevent the entire sheet from being swollen and deformed by the wind.

  According to the third aspect of the present invention, when the fence according to the present invention is installed as described above, the anti-skid member can be held by the auxiliary float different from the float that holds the fence sheet. It is possible to further prevent the entire fence sheet from being swollen and deformed by the wind.

  According to the invention described in claim 4, when the fence according to the present invention is installed as described above, the fence sheet is not directly damaged by the chain made of a material such as stainless steel. It is advantageous.

  According to the fifth aspect of the present invention, when the fence according to the present invention is installed as described above, the chain which is the anti-skid member can be very easily connected to the auxiliary float.

  According to the sixth aspect of the present invention, in the case where the fence according to the present invention is installed as described above, the chain covered with the anti-rotation cover does not move with respect to the fence sheet. This will further help to prevent the entire sheet from being swollen and deformed by the wind.

  According to the seventh aspect of the invention, when the fence according to the present invention is installed as described above, the contact prevention cover can be continuously held in a cylindrical shape. It can be stably suspended in the vertical direction along the fence sheet.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic diagram which shows the installation condition of the air levitation prevention fence by this invention, (a) is the top view and sectional drawing at the time of high water level (at the time of HWL), (b) is the top view and cross section at the time of low water level (at the time of LWL) FIG. It is a figure which shows an example of the air levitation prevention fence by this invention, (a) is a front view, (b) is a side view. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an enlarged view showing a part of an aerial levitation prevention fence according to the present invention, wherein (a) is a longitudinal sectional view and (b) is a transverse sectional view. It is an enlarged view which shows a part of airborne anti-floating prevention fence by this invention, and shows the state by which the chain which is a squeezing prevention member is connected with the auxiliary | assistant float via the connection shackle. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an enlarged view showing a part of an aerial levitation prevention fence according to the present invention, wherein (a) shows a state in which a rope is bound to a reinforcing belt arranged in a horizontal direction at a lower end of a fence sheet and a sink weight is attached. An enlarged front view, (b) is an enlarged side view thereof. It is a schematic diagram showing the installation status of the conventional anti-floating fence, (a) is a plan view and cross-sectional view at high water level (HWL), (b) is a plan view at low water level (LWL) It is sectional drawing.

Embodiments for carrying out the present invention will be described with reference to the drawings.
Here, the present invention will be described in detail below, taking as an example the case where the airborne anti-levitation fence F according to the present invention is installed so as to pass over the right bank c and the left bank c ′ of the dam lake C.

  This fence F is also used mainly for water quality improvement or pollution prevention, as shown in FIGS. 1 (a) and 1 (b), so that it is passed to the right bank c and the left bank c 'of the dam lake C. And the sheet-like fence sheet | seat 1 which is the main body of this fence F is installed so that it may hang down with respect to the water surface.

  Then, wires, ropes, and other mooring lines B are arranged from the mooring point A at the end of the fence sheet 1 of the main fence F installed as described above to the middle in the width direction near the edge of the fence sheet 1. When the mooring line B is arranged in this way, when the main fence F is installed as described above, as shown by the symbol f in the upper side (plan view) of FIGS. 1 (a) and 1 (b), the fence sheet Since the fence sheet 1 can be loosened near the edge of the mooring point A at one end, it is possible to eliminate the occurrence of tension as in the prior art. In particular, even at the low water level (LWL time) shown in FIG. 1 (b), it is possible to make it difficult for air to collect at the edge of the fence sheet 1 near the mooring point A, and to suppress the floating of the fence F in the air. be able to. Therefore, the original function of the fence F can be sufficiently exhibited.

  The sheet-like fence sheet 1 will be described in more detail. The upper end of the fence sheet 1 is connected to the floats 2 and 2 arranged in parallel across the entire width direction at predetermined intervals. The fence sheet 1 can be kept suspended from the water surface. A large number of floats 2 and 2 are covered with a float cover 3 as shown by a dotted line on the left side of FIG. 2 (a). It is represented by a solid line.

  As shown in FIG. 2 (a) showing the entire fence F, the main belt 4 is located at the upper end of the sheet-like fence sheet 1 over the entire width direction, and at the left and right ends thereof. The reinforcing belt 5 is disposed over the entire width direction until the position where the reinforcing belt 5 covers the float covering cloth 3 covering the numerous floats 2 and 2 over the entire height direction. . Further, further reinforcing belts 7, 7, 8, 8 are arranged in the horizontal direction and the vertical direction at predetermined intervals on the plane portion of the sheet-like fence sheet 1.

  On the surface side of the sheet-like fence sheet 1 reinforced in this way, as shown in FIGS. 2 (a) and 2 (b), a contact prevention member 9 is arranged in the vertical direction along the fence sheet 1. Has been. Accordingly, when the fence F is installed as described above, the entire sheet-like fence sheet 1 can be prevented from being swollen and deformed by the wind. Therefore, it is possible to sufficiently ensure safety during strong winds.

  The reinforcing belts 7 and 8 not only reinforce the sheet-like fence sheet 1 but can also play a role of suppressing the progress when the fence sheet 1 is torn.

  Here, as shown in FIG. 2 (a), a case where a plurality of anti-skid members 9 are arranged at a predetermined interval in the width direction of the fence sheet 1 is illustrated. If it does in this way, when this fence F is installed as mentioned above, it can prevent further that the sheet-like fence sheet 1 whole swells with a wind, and deform | transforms. This squeezing prevention member 9 has a predetermined length and a predetermined weight with respect to the sheet-like fence sheet 1, and prevents the entire sheet-like fence sheet 1 from being swollen and deformed by the wind. Anything is possible.

  Here, as shown in FIGS. 2 and 4, the auxiliary floats 10, 10 for holding the anti-skid members 9, 9 apart from the floats 2, 2 provided at the upper end of the fence sheet 1. The case where is provided is illustrated. In this case, when the fence F is installed as described above, the anti-skid member 9 can be held by the auxiliary floats 10 and 10 different from the float 2 that holds the fence sheet 1. It is possible to further prevent the entire sheet-like fence sheet 1 from being swollen and deformed by the wind.

  Further, here, as shown in detail in FIGS. 3 and 4, a case in which the squeezing prevention member 9 is a chain 9 a and the periphery thereof is covered with a touching prevention cover 11 is illustrated. In this case, when the fence F is installed as described above, the fence sheet 1 is not directly damaged by the chain 9a made of stainless steel or the like, which is extremely advantageous in terms of durability.

  As shown in FIG. 3 (a), a metal ring 12 with a D ring is attached to the reinforcing belt 8 arranged in the vertical direction on the plane portion of the sheet-like fence sheet 1, and this D ring is attached. Near the upper end of the chain 9a is fixed to the metal fitting 12 via a hanging shackle 13.

  And here, as shown in FIG. 4, the case where the upper end of the chain 9a is attached to the trunk | drum part of the said auxiliary | assistant float 10 via the connection shackle 14 is illustrated. If it does in this way, when this fence F is installed as mentioned above, the chain 9a which is the squeezing prevention member 9 can be connected to the auxiliary float 10 very easily. In FIG. 4, reference numeral 10a is a float band.

  Further, here, as shown in FIGS. 3A and 3B, a case where the touch-around prevention cover 11 is stitched to the fence sheet 1 is illustrated. In FIGS. 3 (a) and 3 (b), this stitching is indicated by reference numeral 15. FIG. When this stitching is performed, when the fence F is installed as described above, the chain 9a covered with the touch-around prevention cover 11 does not move loosely with respect to the fence sheet 1. This further helps to prevent the entire fence sheet 1 from being swollen and deformed by the wind.

  Further, here, as shown in FIGS. 3A and 3B, the case where the anti-touching cover 11 is bound with a rope or other binding tool 16 is illustrated. In this case, when the fence F is installed as described above, the contact-preventing cover 11 can be continuously held in a cylindrical shape, so that the chain 9a covered with the contact-preventing cover 11 is The sheet-like fence sheet 1 can be stably suspended in the vertical direction.

  As described above, the reinforcing belt 6 is disposed at the lower end of the sheet-like fence sheet 1 over the entire width direction. A part of the reinforcing belt 6 is shown in FIGS. 5 (a) and 5 (b). It is like a tube. A long weight sinker 17 is inserted in the tube-shaped reinforcing belt 6 in the lateral direction. The long sinker weight 17 is separated from the reinforcing belt 6 by a rope or other binding tool 18 at a predetermined interval. It is bound to the tube portion 6a. The sink weight 17 may be a chain as shown in FIGS. 5 (a) and 5 (b).

  DESCRIPTION OF SYMBOLS 1 ... Fence sheet | seat, 2 ... Float, 9 ... Anti-skid member, 9a ... Chain, 10 ... Auxiliary float, 11 ... Covering prevention cover, 14 ... Connection shackle, 15 ... Suture, 16 ... Bundling tool, A ... Mooring point , B ... mooring line, F ... fence.

  The present invention relates to a fence that is installed in various places such as dam lakes, reservoirs, lakes, oceans, etc., and mainly used for improving water quality or preventing pollution. More specifically, the present invention relates to a fence near the mooring point at the end of a fence sheet. It is related with what can prevent that a fence sheet | seat deform | transforms and raises in response to a wind.

  In order to improve water quality or prevent pollution in various places such as dam lakes, reservoirs, lakes, oceans, etc., fences are usually set up so that they pass between the right bank and the left bank and are suspended from the water surface. (For example, see Patent Documents 1 and 2).

Japanese Patent Laid-Open No. 10-60874 (see FIGS. 1 to 3).

Japanese Patent Laying-Open No. 2005-120582 (see FIGS. 1 and 2).

  The installation situation of such a fence F ′ in the conventional case is as shown in the upper diagram (plan view) and the lower diagram (cross-sectional view) of FIGS. 6 (a) and 6 (b), which are schematic views. Since the end of the fence sheet 1 ′ is simply moored at the mooring point A ′ with a wire, rope or other mooring line, it is denoted by the symbol f ′ in the upper diagrams (plan views) of FIGS. 6 (a) and 6 (b). As shown, there was a drawback that the fence sheet 1 ′ was stretched near the edge of the mooring point A ′ at the end of the fence sheet 1 ′.

In addition, the fence sheet 1 ′ near the end of the fence sheet 1 ′ receives the wind and the fence sheet 1 ′, which should originally be suspended from the water surface, is deformed and floats up. In addition to being unable to perform its functions, it has the disadvantage of being extremely dangerous. Such a situation often occurred especially at the low water level [LWL] in FIG.
The object of the present invention is to eliminate such drawbacks.

In order to achieve the above object, in the present invention, in a fence that is installed in dam lakes, reservoirs, lakes, oceans, and various other places, mainly used for improving water quality or preventing pollution, from the mooring point at the end of the fence sheet. Wires, ropes and other mooring lines are arranged up to the middle of the fence sheet in the width direction, and a staking prevention member made of a chain is arranged in the vertical direction along the fence sheet. Covered with an anti-contact cover .

  When the fence according to the present invention is installed in a suspended state with respect to the water surface, as shown by the symbol f in the upper diagrams (plan views) of FIGS. 1 (a) and 1 (b), which are schematic views, The fence sheet can be loosened near the edge of the mooring point at the end of the sheet, and the conventional tension can be eliminated. In particular, even at low water levels [LWL], as shown in the lower figure (cross-sectional view) of Fig. 1 (b), it is possible to make it difficult for air to collect at the end of the fence sheet near the mooring point. In addition, the floating of the fence can be suppressed.

Moreover, since the anti-swelling member made of a chain is arranged along the fence sheet in the vertical direction, when the fence according to the present invention is installed as described above, the entire fence sheet swells and deforms by the wind. Can be prevented. Therefore, it is possible to sufficiently ensure safety during strong winds.

Furthermore, since the periphery of the chain is covered with an anti-rotation cover, when the fence according to the present invention is installed as described above, the fence sheet is made of stainless steel or other material, so that the fence sheet is not directly damaged and is durable. It is extremely advantageous in terms of sex.

At predetermined intervals in the width direction of the fence sheet, it is desirable to prevent members wiped consisting Chen are parallelly arranged. If it does in this way, when the fence by this invention is installed as mentioned above, it can prevent further that the whole fence sheet swells and deform | transforms with a wind.

In addition to the float provided at the upper end of the fence sheet, it is desirable that an auxiliary float for holding the anti-swelling member made of a chain is provided. In this case, when the fence according to the present invention is installed as described above, the anti-skid member made of the chain can be held by the auxiliary float different from the float that holds the fence sheet. It is possible to further prevent the whole from being swollen and deformed by the wind.

  It is desirable for the chain to be connected to the auxiliary float via a connecting shackle. If it does in this way, when the fence by this invention is installed as mentioned above, the chain which is a squeezing prevention member can be connected to an auxiliary float very easily.

  It is desirable that the contact-preventing cover is stitched to the fence sheet. In this way, when the fence according to the present invention is installed as described above, the chain covered with the anti-rotation cover does not move irrelevantly to the fence sheet. It will be even more useful in preventing swelling and deformation.

  It is better to bind the anti-rotation cover with a rope or other binding tool. In such a case, in the case where the fence according to the present invention is installed as described above, the contact-preventing cover can be continuously held in a cylindrical shape, so that the chain covered with this contact-preventing cover is attached to the fence sheet. Can be stably suspended in the vertical direction.

  According to the first aspect of the present invention, when the fence according to the present invention is installed as described above, the fence sheet can be loosened near the edge of the mooring point at the end of the fence sheet. It is possible to eliminate the occurrence of tension. In particular, even when the water level is low [LWL], it is possible to make it difficult for air to collect at the edge of the fence sheet near the mooring point, and to prevent the fence from floating in the air. Therefore, the original function of the fence can be fully exhibited.

Moreover, since the anti-swelling member made of a chain is arranged along the fence sheet in the vertical direction, when the fence according to the present invention is installed as described above, the entire fence sheet swells and deforms by the wind. Can be prevented. Therefore, it is possible to sufficiently ensure safety during strong winds.

Furthermore, since the periphery of the chain is covered with an anti-rotation cover, when the fence according to the present invention is installed as described above, the fence sheet is made of stainless steel or other material, so that the fence sheet is not directly damaged and is durable. It is extremely advantageous in terms of sex.

According to the second aspect of the present invention, when the fence according to the present invention is installed as described above, a plurality of anti-swelling members made of a chain are arranged at predetermined intervals in the width direction of the fence sheet. Therefore, it is possible to further prevent the entire fence sheet from being swollen and deformed by the wind.

According to the third aspect of the present invention, when the fence according to the present invention is installed as described above, the anti-skid member made of a chain can be held by the auxiliary float different from the float that holds the fence sheet. Therefore, it is possible to further prevent the entire fence sheet from being swollen and deformed by the wind.

According to the fourth aspect of the present invention, when the fence according to the present invention is installed as described above, it is possible to connect the chain as the anti-skid member to the auxiliary float very easily.

According to the fifth aspect of the present invention, when the fence according to the present invention is installed as described above, the chain covered with the anti-touching cover does not move sloppyly with respect to the fence sheet. This will further help to prevent the entire sheet from being swollen and deformed by the wind.

According to the invention described in claim 6, when the fence according to the present invention is installed as described above, the touch-around prevention cover can be continuously held in a cylindrical shape. It can be stably suspended in the vertical direction along the fence sheet.

BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic diagram which shows the installation condition of the air levitation prevention fence by this invention, (a) is the top view and sectional drawing at the time of high water level (at the time of HWL), (b) is the top view and cross section at the time of low water level (at the time of LWL) FIG. It is a figure which shows an example of the air levitation prevention fence by this invention, (a) is a front view, (b) is a side view. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an enlarged view showing a part of an aerial levitation prevention fence according to the present invention, wherein (a) is a longitudinal sectional view and (b) is a transverse sectional view. It is an enlarged view which shows a part of airborne anti-floating prevention fence by this invention, and shows the state by which the chain which is a squeezing prevention member is connected with the auxiliary | assistant float via the connection shackle. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an enlarged view showing a part of an aerial levitation prevention fence according to the present invention, wherein (a) shows a state in which a rope is bound to a reinforcing belt arranged in a horizontal direction at a lower end of a fence sheet and a sink weight is attached. An enlarged front view, (b) is an enlarged side view thereof. It is a schematic diagram showing the installation status of the conventional anti-floating fence, (a) is a plan view and cross-sectional view at high water level (HWL), (b) is a plan view at low water level (LWL) It is sectional drawing.

Embodiments for carrying out the present invention will be described with reference to the drawings.
Here, the present invention will be described in detail below, taking as an example the case where the airborne anti-levitation fence F according to the present invention is installed so as to pass over the right bank c and the left bank c ′ of the dam lake C.

  This fence F is also used mainly for water quality improvement or pollution prevention, as shown in FIGS. 1 (a) and 1 (b), so that it is passed to the right bank c and the left bank c 'of the dam lake C. And the sheet-like fence sheet | seat 1 which is the main body of this fence F is installed so that it may hang down with respect to the water surface.

  Then, wires, ropes, and other mooring lines B are arranged from the mooring point A at the end of the fence sheet 1 of the main fence F installed as described above to the middle in the width direction near the edge of the fence sheet 1. When the mooring line B is arranged in this way, when the main fence F is installed as described above, as shown by the symbol f in the upper side (plan view) of FIGS. 1 (a) and 1 (b), the fence sheet Since the fence sheet 1 can be loosened near the edge of the mooring point A at one end, it is possible to eliminate the occurrence of tension as in the prior art. In particular, even at the low water level (LWL time) shown in FIG. 1 (b), it is possible to make it difficult for air to collect at the edge of the fence sheet 1 near the mooring point A, and to suppress the floating of the fence F in the air. be able to. Therefore, the original function of the fence F can be sufficiently exhibited.

  The sheet-like fence sheet 1 will be described in more detail. The upper end of the fence sheet 1 is connected to the floats 2 and 2 arranged in parallel across the entire width direction at predetermined intervals. The fence sheet 1 can be kept suspended from the water surface. A large number of floats 2 and 2 are covered with a float cover 3 as shown by a dotted line on the left side of FIG. 2 (a). It is represented by a solid line.

  As shown in FIG. 2 (a) showing the entire fence F, the main belt 4 is located at the upper end of the sheet-like fence sheet 1 over the entire width direction, and at the left and right ends thereof. The reinforcing belt 5 is disposed over the entire width direction until the position where the reinforcing belt 5 covers the float covering cloth 3 covering the numerous floats 2 and 2 over the entire height direction. . Further, further reinforcing belts 7, 7, 8, 8 are arranged in the horizontal direction and the vertical direction at predetermined intervals on the plane portion of the sheet-like fence sheet 1.

  On the surface side of the sheet-like fence sheet 1 reinforced in this way, as shown in FIGS. 2 (a) and 2 (b), a contact prevention member 9 is arranged in the vertical direction along the fence sheet 1. Has been. Accordingly, when the fence F is installed as described above, the entire sheet-like fence sheet 1 can be prevented from being swollen and deformed by the wind. Therefore, it is possible to sufficiently ensure safety during strong winds.

As shown in detail in FIGS. 3 and 4, the anti-skid member 9 is made of a chain 9 a, and the periphery thereof is covered with a touch-around prevention cover 11. Therefore, when the fence F is installed as described above, the fence sheet 1 is not directly damaged by the chain 9a made of stainless steel or the like, which is extremely advantageous in terms of durability.

  The reinforcing belts 7 and 8 not only reinforce the sheet-like fence sheet 1 but can also play a role of suppressing the progress when the fence sheet 1 is torn.

Here, as shown in FIG. 2A, a case where a plurality of anti-blowing members 9 made of a chain 9 a are arranged at a predetermined interval in the width direction of the fence sheet 1 is illustrated. If it does in this way, when this fence F is installed as mentioned above, it can prevent further that the sheet-like fence sheet 1 whole swells with a wind, and deform | transforms. The swell prevention member 9 comprising the chain 9a has a predetermined length and a predetermined weight with respect to the sheet-like fence sheet 1, and the entire sheet-like fence sheet 1 is inflated and deformed by the wind. Ru can be prevented.

Here, as shown in FIGS. 2 and 4, in addition to the floats 2, 2 provided at the upper end of the fence sheet 1, an auxiliary for holding the anti-skid members 9, 9 comprising the chain 9 a. The case where the floats 10 and 10 are provided is illustrated. In this case, when the fence F is installed as described above, the anti-swelling member 9 made of the chain 9a is held by the auxiliary floats 10 and 10 different from the float 2 that holds the fence sheet 1. Therefore, it is possible to further prevent the entire sheet-like fence sheet 1 from being swollen and deformed by the wind.

  As shown in FIG. 3 (a), a metal ring 12 with a D ring is attached to the reinforcing belt 8 arranged in the vertical direction on the plane portion of the sheet-like fence sheet 1, and this D ring is attached. Near the upper end of the chain 9a is fixed to the metal fitting 12 via a hanging shackle 13.

  And here, as shown in FIG. 4, the case where the upper end of the chain 9a is attached to the trunk | drum part of the said auxiliary | assistant float 10 via the connection shackle 14 is illustrated. If it does in this way, when this fence F is installed as mentioned above, the chain 9a which is the squeezing prevention member 9 can be connected to the auxiliary float 10 very easily. In FIG. 4, reference numeral 10a is a float band.

  Further, here, as shown in FIGS. 3A and 3B, a case where the touch-around prevention cover 11 is stitched to the fence sheet 1 is illustrated. In FIGS. 3 (a) and 3 (b), this stitching is indicated by reference numeral 15. FIG. When this stitching is performed, when the fence F is installed as described above, the chain 9a covered with the touch-around prevention cover 11 does not move loosely with respect to the fence sheet 1. This further helps to prevent the entire fence sheet 1 from being swollen and deformed by the wind.

  Further, here, as shown in FIGS. 3A and 3B, the case where the anti-touching cover 11 is bound with a rope or other binding tool 16 is illustrated. In this case, when the fence F is installed as described above, the contact-preventing cover 11 can be continuously held in a cylindrical shape, so that the chain 9a covered with the contact-preventing cover 11 is The sheet-like fence sheet 1 can be stably suspended in the vertical direction.

  As described above, the reinforcing belt 6 is disposed at the lower end of the sheet-like fence sheet 1 over the entire width direction. A part of the reinforcing belt 6 is shown in FIGS. 5 (a) and 5 (b). It is like a tube. A long weight sinker 17 is inserted in the tube-shaped reinforcing belt 6 in the lateral direction. The long sinker weight 17 is separated from the reinforcing belt 6 by a rope or other binding tool 18 at a predetermined interval. It is bound to the tube portion 6a. The sink weight 17 may be a chain as shown in FIGS. 5 (a) and 5 (b).

  DESCRIPTION OF SYMBOLS 1 ... Fence sheet | seat, 2 ... Float, 9 ... Anti-skid member, 9a ... Chain, 10 ... Auxiliary float, 11 ... Covering prevention cover, 14 ... Connection shackle, 15 ... Suture, 16 ... Bundling tool, A ... Mooring point , B ... mooring line, F ... fence.

Claims (7)

  Fences that are installed in dam lakes, reservoirs, lakes, oceans, and other various locations, and are mainly used for improving water quality or preventing pollution, from the mooring point at the edge of the fence sheet to the middle in the width direction near the edge of the fence sheet In addition, a wire, rope and other mooring lines are arranged, and an anti-floating prevention fence is provided in which a squeezing prevention member is arranged in a vertical direction along the fence sheet.   The anti-floating prevention fence according to claim 1, wherein a plurality of anti-swelling members are arranged at predetermined intervals in the width direction of the fence sheet.   The airborne anti-floating fence according to claim 1 or 2, further comprising an auxiliary float for holding the anti-swelling member separately from the float provided at the upper end of the fence sheet.   The anti-floating prevention fence according to any one of claims 1 to 3, wherein the squeezing prevention member is a chain, and the periphery thereof is covered with an anti-rotation cover.   5. The anti-floating fence according to claim 4, wherein the chain is connected to the auxiliary float via a connecting shackle.   The anti-floating prevention fence according to claim 4, wherein the touch-around prevention cover is stitched to the fence sheet.   The anti-floating prevention fence according to claim 4 or 6, characterized in that the touch-around prevention cover is bound with a rope or other binding tool.

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