JP2015151819A - Net for preventing fall of nest building material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable a removed nest building material to be housed by being reliably dropped into a net material from an opening of the net material, without getting caught in the opening of the net material.SOLUTION: A net for preventing the fall of a nest building material includes a built-nest receiving part 2 that is configured by forming a net material into a bag shape, and fixing means 3 for fixing the built-nest receiving part 2 to a member S to be fixed, in a state in which an opening 2a of the built-nest receiving part 2 is opened. The built-nest receiving part 2 has a predetermined range on the side of the opening 2a made of a fine-mesh net material 20, and has a range except the predetermined range made of a coarse-mesh net material 21.

Description

  The present invention relates to a nesting material fall prevention net for preventing a nesting material from falling from an arm when removing the nesting material nested in an arm of a steel tower, for example.

  Conventionally, various nesting material fall prevention nets used when removing nesting material nesting by a power pole have been provided. For example, a nesting material fall prevention net is provided in which a net material stretched on a frame body is arranged below a nesting material nested on an arm of a utility pole (see Patent Document 1).

  This nesting material fall prevention net includes a rectangular frame, a net member stretched on the frame, and a plurality of suspension members attached to the frame.

  And the removed nesting material is dropped toward the net material and accommodated.

JP 2008-261123 A

  In the case of the nesting material fall prevention net having the above configuration, when dropping the removed nesting material into the net material, the nesting material may be caught in the vicinity of the net material opening and dropped from the net material opening into the net material. There is a possibility that the nesting material cannot be accommodated by wrapping it with a net material.

  Therefore, in view of the above problems, the present invention provides a nesting material fall prevention net that can be securely dropped and accommodated in the mesh material from the mesh material opening without hooking the removed nesting material in the vicinity of the mesh material opening. The purpose is to do.

  The nesting material fall prevention net according to the present invention includes a nesting receiving portion in which a mesh material is formed in a bag shape, and a fixing means for fixing the nesting receiving portion to a fixed member in a state where the opening of the nesting receiving portion is opened. The nest receiving portion is characterized in that a predetermined range on the opening side is configured by a fine mesh material, and a portion other than the predetermined range is configured by a coarse mesh material.

  According to such a configuration, the wind can be escaped well by the fine mesh material and the coarse mesh material, and the nest receiving portion can be attached to the fixed member without being affected by the wind. In addition, the nesting material can be reliably dropped into the nesting receiving portion from the opening of the nesting receiving portion without being caught in the vicinity of the opening of the fine mesh material in the predetermined range on the opening side, and can be accommodated. The housed nesting material can be carried without wrapping it in the nesting receptacle and dropping it.

  A nesting material fall prevention net according to another invention includes a bag-shaped nesting receiving portion, and a fixing means for fixing the nesting receiving portion to a fixed member in a state where the opening of the nesting receiving portion is opened. The nest receiving portion is characterized in that a predetermined range on the opening side is constituted by a sheet, and a portion other than the predetermined range is constituted by a net member.

  According to such a configuration, the net can be well escaped by the mesh material, and the nesting receiving portion can be attached to the fixed member without being affected by the wind. In addition, the nesting material can be reliably dropped and accommodated in the nesting receiving portion from the opening of the nesting receiving portion without hooking the nesting material in the vicinity of the opening portion of the sheet of the predetermined range on the opening side. You can carry the material without wrapping it in the nest receiving part and dropping it.

  Preferably, the fixing means is a string member provided extending from the opening of the nesting receiving part or a hook-and-loop fastener attached to the opening of the nesting receiving part.

  According to such a configuration, when the fixing means is a string material, the nest receiving portion has an opening larger than the nesting material so that the nesting material can be dropped below the nesting material. Tie the string material and attach the nest receiving part to the fixed member. In addition, when the fixing means is a hook-and-loop fastener, the nesting receiving portion of the nesting receiving portion is opened on the fixed member with the opening of the nesting receiving portion being opened wider than the nesting material so that the nesting material can be dropped below the nesting material. The peripheral edge of the opening is wound, the male and female hook-and-loop fasteners are attached to each other, and the nest receiving part is attached to the fixed member.

  Moreover, when a fixing means is a string material, the opening part of the nest receiving part which accommodated the nesting material can be bundled and closed. When the fixing means is a hook-and-loop fastener, the male and female hook-and-loop fasteners are attached to each other so that the opening of the nesting receiving portion containing the nesting material can be easily closed.

  Furthermore, it is preferable that the nesting receiving portion is provided with a string material inserted through the opening of the nesting receiving portion.

  According to such a configuration, by pulling the string material while the nesting material is accommodated in the nesting receiving portion, if the opening portion of the nesting receiving portion is squeezed and closed, the nesting material can be carried without dropping from the opening portion.

  As described above, according to the present invention, it is possible to obtain an excellent effect that the nesting material can be surely dropped and accommodated from the opening of the mesh material into the mesh material without being caught near the opening of the mesh material.

FIG. 1 is a perspective view showing a nesting material fall prevention net according to an embodiment of the present invention. FIG. 2 is a perspective view showing a state in which the nesting material fall prevention net according to the embodiment is mounted on an arm of a steel tower. FIG. 3 is a perspective view showing a state in which the nesting material is dropped into the nesting receiving portion of the nesting material fall prevention net according to the embodiment. FIG. 4 is a perspective view showing a state in which the opening portion of the nesting receiving portion in which the nesting material is accommodated is tied with a string material in the nesting material fall prevention net according to the embodiment. FIG. 5 is a view showing a modification of the nesting material fall prevention net according to the embodiment, and is a view showing a nesting receiving portion in which a hook-and-loop fastener is arranged along the opening. FIG. 6 is a view showing a modification of the nesting material fall prevention net according to the embodiment, and is a view showing a nesting receiving portion in which a string material is inserted into an opening. FIG. 7 is a view showing a modification of the nesting material fall prevention net according to the embodiment, and is a view showing a nesting receiving portion in which a predetermined range on the opening side is configured by a sheet. FIG. 8 is a perspective view showing a state in which the nesting material fall prevention net according to the embodiment is mounted on an arm of a steel tower so as to cover the nesting material.

  A nesting material fall prevention net according to an embodiment of the present invention will be described with reference to FIGS. In the present embodiment, a nesting material fall prevention net that accommodates the nesting material nested in the arm of the steel tower will be described as an example.

  The nesting material fall prevention net according to the present embodiment includes a nesting receiving portion 2 and fixing means 3 as shown in FIG.

  The nesting receiver 2 is a bag made of a net material. Specifically, a pair of rectangular mesh materials are opposed to each other, and both sides and bottom portions of both mesh materials are sewn into a bag shape. More specifically, a predetermined range on the opening 2a side of the nesting receiving portion 2 is configured in a narrow band shape with the fine mesh material 20, and a portion other than the predetermined range is configured in a wide band shape with the coarse mesh material 21 Is done. As the material for the nesting receiving portion 2, for example, a synthetic resin material having weather resistance, light weight and flexibility is preferable.

  The mesh of the fine mesh member 20 is preferably 1 to 2 mm square, for example, and the mesh of the coarse mesh member 21 is preferably 3 to 5 mm square, for example. Further, the area occupied by the fine mesh material 20 is set smaller than the area occupied by the coarse mesh material 21. The reason for this is to reduce the influence of wind on the nesting receiver 2. Further, by forming the predetermined range on the opening 2a side of the nest receiving portion 2 with the fine mesh material 20, the dropping of the nesting material X from the opening 2a of the nest receiving portion 2 into the nest receiving portion 2 is smooth. To be done.

  In the present embodiment, the fixing means 3 is a plurality of string members provided extending from the opening 2 a of the nesting receiving portion 2. Specifically, two string members 3 are attached to the opening 2a of the nesting receiving portion 2 at a predetermined interval. One end of each of the string members 3 and 3 is attached in parallel, and each other end is provided as a free end. Then, the nesting receiving portion 2 is freely fixed to the steel material S constituting the arm A of the steel tower P, which is a member to be fixed, with the string material 3 opening the opening 2a of the nesting receiving portion 2 ( (See FIG. 2). If the nesting material preventing net 1 can be firmly attached to the arm A of the steel tower P, the string members 3 are arranged one by one at a predetermined interval in the opening 2a of the nesting receiving portion 2. May be.

  Next, a usage aspect of the nesting material fall prevention net 1 according to the present embodiment will be described. First, as shown in FIG. 1, the opening 2a of the nesting receiver 2 is pulled from both sides to open the opening 2a of the nesting receiver 2 in a rectangular shape. Specifically, the size of the opening 2a of the nest receiving portion 2 is opened to be larger than that of the nesting material X so that the nesting material X can be dropped.

  Then, as shown in FIG. 2, the string A 3 attached to the opening 2 a is configured as the arm A of the steel tower P so that the opening 2 a of the nesting receiving portion 2 is positioned below the nesting material X. The nesting receiving portion 2 is fixed to the steel material S by being wound around the steel material S.

  The nesting material X is removed from the steel material S of the arm A of the steel tower P, and the nesting material X is dropped into the nesting receiving part 2 as shown in FIG. .

  At this time, since the predetermined range on the opening 2a side of the nest receiving portion 2 is the fine mesh member 20, the nest material X is not caught near the opening 2a of the nest receiving portion 2, and the nest receiving portion 2 The nesting material X can be dropped and accommodated inside. In particular, the metal hangers, iron wires, and tree branches used for the nesting material X do not get caught in the meshes of the fine mesh material 20 of the nesting part 2, so that the nesting material X extends into the coarse mesh material 21. Can be easily dropped and accommodated.

  Next, as shown in FIG. 4, when the nesting material X is accommodated in the nesting receiving portion 2 at the opening portion 2 a of the nesting receiving portion 2 that is largely opened when the nesting material X is accommodated, the string material 3. Is removed from the steel material S, and the opening 2a of the nesting receiving portion 2 is closed by the string material 3 and closed. By doing so, the nesting material X stored in the nesting receiving part 2 is not dropped from the opening 2a of the nesting receiving part 2 and the nesting material X is stored in the nesting receiving part 2, and the nesting material fall prevention net You can tie 1 to a rucksack or body and carry it on the ground.

  As described above, according to the nesting material fall prevention net according to the present embodiment, the nesting material X is not caught in the opening 2a of the nesting receiving portion 2, and the nesting material receiving portion 2 is located in the vicinity of the opening 2 of the nesting receiving portion 2. The nesting material X can be dropped and stored. Further, the nesting part 2 can be attached to the steel material S without being affected by the wind. That is, the nesting material X can be prevented from falling to the ground, and the nesting material removal work can be made more efficient.

  In addition, this invention is not limited to the said embodiment, Of course, a various change can be added in the range which does not deviate from the summary of this invention.

  For example, in the case of the above embodiment, the string material 3 as the fixing means is wound around the steel material S of the arm A of the steel tower P, and the nesting receiving portion 2 is attached to the steel material S. For example, FIG. As described above, a plurality of rectangular female and male surface fasteners 30a, 30b are arranged on the outer surface and the inner surface along the periphery of the opening 2a of the nesting receiving portion 2, and the surface fasteners 30a, 30b are faced to each other. You may make it fix | wear between the steel material S of the arm A, and the nesting receiving part 2 without a gap. Thereby, it is possible to prevent the metal hanger, iron wire, and tree branch used for the nesting material X from falling from the gap between the steel material S of the arm A and the nesting receiving portion 2. Moreover, since the steel material S may be arranged in a complicated manner depending on the configuration of the arm A, the male hook-and-loop fastener 30b can be attached so that the nesting receiving portion 2 can be attached corresponding to various arrangement states of the steel material S. A female hook-and-loop fastener 30c may be disposed on the inner surface separated from the inner surface.

  In the case of the above embodiment, the string member 3 as the fixing means is used to close the opening 2a of the nesting receiver 2, but as shown in FIG. The material 4 may be inserted and the string material 4 may be pulled to make the nesting part 2 into a purse-like shape, and the opening 2a of the nesting part 2 may be closed.

  Moreover, in the case of the said embodiment, although the predetermined range by the side of the opening part 2a of the nesting receiving part 2 was comprised by the fine mesh material 20, it is comprised by the sheet | seat 200 instead of the fine mesh material 20, as shown in FIG. May be. However, if the influence of wind is taken into consideration, the form of the nesting receiving portion 2 shown in FIG.

  Moreover, in the case of the said embodiment, although the nesting material fall prevention net | network 1 was attached to the steel material S of the arm A of the steel tower P so that the opening part 2a of the nesting receiving part 2 may be located under the nesting material X, it is. As shown in FIG. 8, it may be attached so as to cover both side surfaces orthogonal to the extending direction of the arm A. Specifically, both sides of the nesting material fall-preventing net 1 are lifted and fixed at the position of the steel material S of the arm A that is arranged to be inclined. At this time, both sides of the nesting material fall-preventing net 1 are covered on both sides of the nesting material X so that the area in the height direction and the area in the direction in which the arm A extends are covered. The fall (scattering) of the material X can be prevented.

  DESCRIPTION OF SYMBOLS 1 ... Nest material fall prevention net, 2 ... Nest receiving part, 2a ... Opening part, 20 ... Fine mesh material, 21 ... Coarse mesh material, 3 ... Fixing means (string material), 30a-30c ... Surface fastener, 4 ... String material, 200 ... Sheet, P ... Steel tower, A ... Arm, S ... Steel material (fixed member), X ... Nest material

Claims (4)

A nesting receptacle made of a net-like bag,
A fixing means for fixing the nesting receiving part to the fixed member in a state where the opening of the nesting receiving part is opened,
The nest receiving part is a nesting material fall prevention net characterized in that a predetermined range on the opening side is constituted by a fine mesh material, and a portion other than the predetermined range is constituted by a coarse mesh material. A nesting receptacle in the form of a bag,
A fixing means for fixing the nesting receiving part to the fixed member in a state where the opening of the nesting receiving part is opened,
The nest receiving portion is a nesting material fall prevention net characterized in that a predetermined range on the opening side is configured by a sheet and a portion other than the predetermined range is configured by a net material.   The said fixing means is a string material extended from the opening part of the nesting receiving part, or a hook-and-loop fastener attached to the opening part of the nesting receiving part. Nest material fall prevention net.   The nesting material fall prevention net according to any one of claims 1 to 3, wherein the nesting material portion is provided with a string material inserted through an opening of the nesting material receiving portion.

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