Prevention Net Apparatus for Electric Pole Fallen Object of Aerial Distribution Work and Construction Method Thereof

Abstract

The present invention is an overhead power distribution pole fall prevention net device and installation method in which a plurality of nets (40) can be installed radially around a utility pole (1) at a certain height, or partially installed with only a portion of the plurality of nets (40) at a point (installation location) where fall protection is required around the utility pole (1). Since the number of nets (40) can be adjusted to efficiently install and remove the device, the work time can be shortened. Furthermore, during overhead power distribution construction using an indirect live-line method, a worker is riding in a special work vehicle bucket, and there is an advantage of efficiently preventing accidents in which ground workers and ordinary citizens are struck by falling objects, such as wire sheaths or tools, caused by the carelessness of a high-altitude worker.

Description

Technology Field

[0001] The present invention relates to a device and method for installing a fall prevention net for overhead power distribution poles, and more specifically, to a device and method for installing a fall prevention net for overhead power distribution poles that is installed radially, either wholly or partially, at a certain height on a utility pole to efficiently install a net at points requiring fall protection. Background Technology

[0002] Referring to Fig. 1, there are pole fall prevention nets and pole fall safety mats installed on the ground to prevent fall accidents of workers climbing poles during overhead power distribution construction, but there is a lack of devices to protect pedestrians and ground workers in the work area from falling objects.

[0003] Due to the nature of overhead power distribution work, construction is frequently carried out on roads where sidewalks are narrow or there is no separation between sidewalks and roadways. As a result, serious civilian accidents have occurred when ordinary citizens passing through high-altitude work zones for special vehicles, which are outside the control of signalmen, are struck by falling objects.

[0004] Near misses often occur at overhead power distribution construction sites where workers, while riding in the bucket of a special vehicle and using an indirect live-line stick at a height of 10 meters or more above the ground to strip wires or compress sleeves, drop wire sheaths, sleeves, tools, etc. due to careless handling. Prior art literature

[0005] Korean Patent Publication No. 10-1205611 (2012.11.21.) The problem to be solved

[0006] The objective of the present invention is to provide a fall prevention net device and installation method for overhead power distribution construction poles to prevent accidents in which ground workers and ordinary citizens are struck by falling objects, such as wire sheaths or tools, caused by the carelessness of a worker riding in a special work vehicle bucket during overhead power distribution construction using an indirect live-line method. means of solving the problem

[0007] A fall prevention net device for overhead power distribution poles according to an embodiment of the present invention for solving the above technical problem comprises: an upper band and a lower band that are fixed in close contact with the perimeter of a utility pole; a plurality of spacing rods connecting the lower perimeter of the upper band and the upper perimeter of the lower band; a plurality of nets divided and installed via a plurality of band connecting rods, each arranged entirely or partially arranged around the perimeter of the lower band with the utility pole as the center to prevent falling objects; and a plurality of support members connecting the perimeter of the upper band and the outer ends of the plurality of band connecting rods, respectively.

[0008] The upper band is characterized by including: a first hinge connecting one end of the left and right bodies; and a first band fastening means for connecting or separating the other end of the left and right bodies.

[0009] The first band fastening means is characterized by comprising: a locking block installed on one of the other ends of the left and right bodies; and a loop lever installed on the other end of the left and right bodies to be coupled to or separated from the locking block.

[0010] The upper band is characterized by having a circumference formed in an octagonal shape, and a plurality of first band tightening means are installed in the center of the straight surface of the octagonal shape to securely fix the upper band at regular intervals along the circumference of the utility pole.

[0011] The plurality of first band tightening means are characterized by comprising: a screw shaft installed to penetrate the center of the octagonal straight surface; a contact plate coupled to one end of the screw shaft and in close contact with the circumference of the upper band; and a handle coupled to the other end of the screw shaft to rotate the screw shaft so that the contact plate moves back and forth.

[0012] The above upper band is characterized by having a plurality of upper ring hangers installed around its circumference, each located at the lower part of a plurality of first band tightening means and connected to one end of a plurality of supports.

[0013] The plurality of the above upper ring hangers are characterized by being arranged in sets of two.

[0014] The lower band includes a second hinge connecting one end of the left and right bodies; and a second band fastening means for connecting or separating the other end of the left and right bodies.

[0015] The second band fastening means is characterized by comprising: a locking block installed on one of the other ends of the left and right bodies; and a loop lever installed on the other end of the left and right bodies to be coupled to or separated from the locking block.

[0016] The lower band is characterized by having a circumference formed in an octagonal shape, and a plurality of second band tightening means are installed at the center of the straight surface of the octagonal shape to securely fix the lower band at regular intervals along the circumference of the utility pole.

[0017] The plurality of second band tightening means are characterized by comprising: a screw shaft installed to penetrate the center of the octagonal straight surface; a contact plate coupled to one end of the screw shaft and in close contact with the circumference of the lower band; and a handle coupled to the other end of the screw shaft to rotate the screw shaft so that the contact plate moves back and forth.

[0018] The present invention is characterized by the installation of a plurality of lower ring hangers around the circumference of the lower band, each positioned below a plurality of second band tightening means and connected to one end of a plurality of band connecting rods.

[0019] The plurality of the above lower ring hangers are characterized by being arranged in sets of two.

[0020] The two ends of the plurality of the above-mentioned meshes are stitched so that the band connecting rods are inserted and fixed to each other.

[0021] The plurality of the above-mentioned meshes are characterized by being installed at 360° when all are arranged around the above-mentioned utility pole.

[0022] The plurality of the above-mentioned meshes are characterized by being installed at an angle of 60° to 300° when partially arranged around the above-mentioned pole.

[0023] The plurality of band connecting rods are characterized by having a ring-shaped connecting fitting installed at one end so that the band connecting rod can be hooked onto the lower ring hanger, and a fixing fitting installed at the other end so that the band connecting rod is simultaneously connected to the upper ring hanger and the lower part of the spacing rod.

[0024] The length side of the plurality of band connecting rods is characterized by being bent at a certain angle so that the mesh is raised as it moves away from the circumference of the lower band.

[0025] Meanwhile, the installation method of a fall prevention net device for overhead power distribution poles according to an embodiment of the present invention comprises the steps of: wrapping a lower band around the perimeter of a utility pole and fastening it by a second band fastening means, and fixing the lower band by a plurality of second band tightening means; wrapping an upper band around the perimeter of a utility pole and fastening it by a first band fastening means, and fixing the upper band by a plurality of first band tightening means; connecting a connecting bracket installed at one end of a net-side band connecting rod to a lower ring hanger portion of the lower band; and connecting a fixing bracket installed at the other end of a net-side band connecting rod to an upper ring hanger portion of the upper band by means of a support. Effects of the invention

[0026] The present invention relates to a device and method for installing a fall prevention net on a utility pole during overhead power distribution construction, wherein multiple nets can be installed radially around the utility pole at a certain height, or only a portion of the nets can be installed at points (installation locations) where fall protection is required. Since the number of nets can be adjusted to allow for efficient installation and removal, work time can be shortened. Furthermore, during overhead power distribution construction using the indirect live-line method, accidents involving ground workers and ordinary citizens being struck by falling objects, such as wire sheaths or tools, caused by the carelessness of high-altitude workers riding in the bucket of a special work vehicle can be efficiently prevented. Brief explanation of the drawing

[0027] Figure 1 is an example of an existing overhead power distribution construction site and existing worker fall prevention devices. FIG. 2 is an overall exemplary diagram of a fall prevention net device according to the present invention. FIG. 3 is an example diagram in which a fall prevention net device according to the present invention is installed radially around the entire perimeter of a utility pole. FIG. 4 is a side view of a fall prevention net device according to the present invention. FIG. 5 is a plan view of a fall prevention net device according to the present invention. FIG. 6 is a partial example diagram of the installation state of the upper band and lower band of the fall prevention net device according to the present invention. FIG. 7 is an exemplary diagram of the upper band coupling state of a fall prevention net device according to the present invention. FIG. 8 is an exemplary diagram of the lower band coupling state of a fall prevention net device according to the present invention. FIGS. 9(a) and 9(b) are partial exemplary diagrams of the installation state of the upper band and lower band of a fall prevention net device according to the present invention. FIGS. 10 to 13 are exemplary diagrams of a fall prevention net device according to the present invention partially installed around the perimeter of a utility pole. Specific details for implementing the invention

[0028] Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, FIGS. 2 to 13, in order to fully understand the present invention. Embodiments of the present invention may be modified in various forms, and the scope of the present invention should not be interpreted as being limited to the embodiments described in detail below. It should be noted that in each drawing, identical components may be illustrated with the same reference numerals. Detailed descriptions of known functions and components that are deemed to unnecessarily obscure the essence of the present invention are omitted.

[0029] A fall prevention net device for a pole in a power distribution construction project according to an embodiment of the present invention comprises an upper band (10), a lower band (20), a plurality of spacing rods (30), a plurality of nets (40), a plurality of supports (50), and a plurality of band connecting rods (60).

[0030] That is, the upper band (10) and lower band (20) are fixed in close contact around the circumference of the utility pole (1) and serve to support a plurality of nets (40) so that they spread out in a certain shape.

[0031] The above plurality of spacing rods (30) serve to connect the lower circumference of the upper band (10) and the upper circumference of the lower band (20) to maintain a certain vertical distance between the upper band (10) and the lower band (20).

[0032] The upper band (10) includes a first hinge (11) connecting one end of the left and right bodies; and a first band fastening means (12) for connecting or separating the other end of the left and right bodies.

[0033] At this time, the first band fastening means (12) comprises a locking block (12a) installed on one of the other ends of the left and right bodies; and a ring lever (12b) installed on the other end of the left and right bodies to be coupled or separated from the locking block (12a).

[0034] The upper band (10) is formed with an octagonal circumference, and a plurality of first band tightening means (14) are installed at the center of the straight surface of the octagonal shape so as to securely fasten the upper band (10) at regular intervals along the circumference of the utility pole (1).

[0035] That is, the plurality of first band tightening means (14) comprises: a screw shaft (14a) installed to penetrate the center of an octagonal straight surface; a contact plate (14b) coupled to one end of the screw shaft (14a) and in close contact with the circumference of the upper band (10); and a handle (14c) coupled to the other end of the screw shaft (14a) to rotate the screw shaft (14a) so that the contact plate (14b) moves back and forth.

[0036] Around the circumference of the upper band (10), a plurality of upper ring hangers (15) are installed, each located at the lower end of a plurality of first band tightening means (14) and connected to one end of a plurality of supports (50), and the plurality of upper ring hangers (15) are arranged in sets of two.

[0037] The lower band (20) includes a second hinge (21) connecting one end of the left and right bodies; and a second band fastening means (22) for connecting or separating the other end of the left and right bodies.

[0038] The second band fastening means (22) comprises: a locking block (22a) installed on one of the other ends of the left and right bodies; and a ring lever (22b) installed on the other end of the left and right bodies to be coupled to or separated from the locking block (22a).

[0039] The lower band (20) is formed with an octagonal circumference, and a plurality of second band tightening means (24) are installed in the center of the octagonal straight surface so as to securely fasten the lower band (20) at regular intervals along the circumference of the utility pole (1).

[0040] The plurality of second band tightening means (24) comprises: a screw shaft (24a) installed to penetrate the center of an octagonal straight surface; a contact plate (24b) coupled to one end of the screw shaft (24a) and in close contact with the circumference of the lower band (20); and a handle (24c) coupled to the other end of the screw shaft (24a) to rotate the screw shaft (24a) so that the contact plate (24b) moves back and forth.

[0041] A plurality of lower ring hangers (25) are installed around the circumference of the lower band (20) so as to be located at the lower end of each of the plurality of second band tightening means (24) and connected to one end of the plurality of band connecting rods (60), and the plurality of lower ring hangers (25) are arranged in sets of two.

[0042] The above plurality of nets (40) are arranged entirely at 360° around the utility pole (1) as in FIG. 3, or partially arranged at 60° to 300° around the utility pole (1) as in FIG. 12 and FIG. 13, serving to prevent falling objects.

[0043] That is, the plurality of nets (40) are each installed separately via a plurality of band connecting rods (60), and the two ends of the nets (40) are stitched so that the band connecting rods (60) are each inserted and fixed to form a single body.

[0044] The above plurality of supports (50) serve to connect the circumference of the upper band (10) and the outer ends of the plurality of band connecting rods (60), respectively.

[0045] The above plurality of band connecting rods (60) hold both ends of the net (40) so that the net (40) spreads out over a certain area. A ring-shaped connecting bracket (62) is installed at one end of the band connecting rod (60) so that the band connecting rod (60) can be hung on the lower ring hanger (25), and a fixing bracket (64) is installed at the other end of the band connecting rod (60) so that the band connecting rod (60) is simultaneously connected to the upper ring hanger (15) and the lower part of the spacing rod (30).

[0046] At this time, the length side of the plurality of band connecting rods (60) is formed in a shape bent at a certain angle so that the mesh (40) moves upward as it moves away from the circumference of the lower band (20).

[0047] Meanwhile, the installation method of a fall prevention net device for a pole in a power distribution construction project according to an embodiment of the present invention comprises the steps of: wrapping a lower band (20) around the perimeter of a utility pole (1) and fastening it by a second band fastening means (22), and fixing the lower band (20) by a plurality of second band tightening means (24); wrapping an upper band (10) around the perimeter of a utility pole (1) and fastening it by a first band fastening means (12), and fixing the upper band (10) by a plurality of first band tightening means (14); and connecting a connecting fitting (62) installed at one end of a band connecting rod (60) on the net (40) side to a lower ring hanging part (25) of the lower band (20). and includes the step of connecting a fixing bracket (64) installed at the other end of the band connecting rod (60) on the mesh (40) side to the upper ring hanger (15) of the upper band (10) by means of a support (50).

[0048] At this time, the upper band (10) and the lower band (20) are maintained at a constant vertical distance by a plurality of spacing rods (30) arranged at a constant interval along the lower circumference of the upper band (10) and the upper circumference of the lower band (20) before being installed on the utility pole (1).

[0049] As such, the present invention is an overhead power distribution pole fall prevention net device and installation method in which a plurality of nets (40) can be installed radially around the pole (1) at a certain height of the pole (1), or partially installed with only a portion of the plurality of nets (40) at a point (installation location) where fall protection is required around the pole (1). Since the number of nets (40) can be adjusted to efficiently install and remove the nets, the work time can be shortened. Furthermore, during overhead power distribution construction using an indirect live-line method, a worker is riding in a special work vehicle bucket, and there is an advantage of efficiently preventing accidents in which ground workers and ordinary citizens are struck by falling objects, such as wire sheaths or tools, caused by the carelessness of a high-altitude worker.

[0050] Meanwhile, the present invention is not limited to the embodiments described above, but can be implemented with modifications and variations within the scope of the essence of the invention, and such technical concepts to which modifications and variations are applied should also be considered to fall within the scope of the following patent claims. Explanation of the symbols

[0051] 1 : Jeonju 10 : Upper band 11 : 1st hinge 12: First band fastening means 12a : Stop block 12b : Loop lever 14: First band tightening means 14a : Screw shaft 14b : Contact plate 14c: Handle 15: Upper ring hanger 20 : Lower band 21 : Second hinge 22 : Second band fastening means 22a : Stop block 22b : Loop lever 24 : Second band tightening means 24a : Screw shaft 24b : Contact plate 24c: Handle 25 : Lower ring hanger 30 : Spacing rod 40 : Net 50 : Support 60 : Band connecting rod 62 : Connecting fitting 64 : Fixing bracket

Claims

Claim 1 An upper band (10) and a lower band (20) that are closely fixed to the circumference of a utility pole (1); a plurality of spacing rods (30) connecting the lower circumference of the upper band (10) and the upper circumference of the lower band (20); a plurality of nets (40) that are divided and installed via a plurality of band connecting rods (60) to prevent falling objects, which are arranged entirely or partially around the circumference of the lower band (20) centered on the utility pole (1); and a plurality of supports (50) that each connect the circumference of the upper band (10) and the outer ends of the plurality of band connecting rods (60), wherein the upper band (10) includes a first hinge (11) connecting one end of the left and right body; The apparatus comprises a first band fastening means (12) for connecting or separating the other end portions of the left and right bodies, wherein the first band fastening means (12) comprises a locking block (12a) installed on one of the other end portions of the left and right bodies; and a ring lever (12b) installed on the other end portion of the left and right bodies to connect or separate from the locking block (12a), wherein the upper band (10) is formed with an octagonal circumference, and a plurality of first band tightening means (14) are installed in the center of the straight surface of the octagonal shape to securely fix the upper band (10) at regular intervals along the circumference of the utility pole (1), and the plurality of first band tightening means (14) comprises a screw shaft (14a) installed to penetrate the center of the straight surface of the octagonal shape; and a contact plate (14b) connected to one end of the screw shaft (14a) and in close contact with the circumference of the upper band (10). It comprises a handle (14c) coupled to the other end of the screw shaft (14a) to rotate the screw shaft (14a) so that the contact plate (14b) moves back and forth, and a plurality of upper ring hangers (15) are installed around the circumference of the upper band (10), each located below a plurality of first band tightening means (14) and connected to one end of a plurality of supports (50), and the lower band (20) comprises a second hinge (21) connecting one end of the left and right bodies;The apparatus includes a second band fastening means (22) for connecting or separating the other end portions of the left and right bodies, wherein the second band fastening means (22) comprises: a locking block (22a) installed on one of the other end portions of the left and right bodies; and a ring lever (22b) installed on the other end portion of the left and right bodies to connect or separate from the locking block (22a), wherein the lower band (20) has a circumference formed in an octagonal shape, and a plurality of second band tightening means (24) are installed in the center of the straight surface of the octagonal shape to securely fix the lower band (20) at regular intervals along the circumference of the utility pole (1), and the plurality of second band tightening means (24) comprises a screw shaft (24a) installed to penetrate the center of the straight surface of the octagonal shape; and a contact plate (24b) connected to one end of the screw shaft (24a) and in close contact with the circumference of the lower band (20). A device for preventing falling objects on poles during power distribution construction, characterized by comprising a handle (24c) coupled to the other end of the screw shaft (24a) to rotate the screw shaft (24a) so that the contact plate (24b) moves back and forth, and a plurality of lower ring hangers (25) installed around the circumference of the lower band (20) so as to be located at the lower end of each of the plurality of second band tightening means (24) and connected to one end of each of the plurality of band connecting rods (60), and the two ends of each of the plurality of nets (40) being sewn so that the band connecting rods (60) are inserted and fixed. Claim 2 delete Claim 3 delete Claim 4 delete Claim 5 delete Claim 6 delete Claim 7 A fall prevention net device for overhead power distribution poles according to claim 1, characterized in that a plurality of the upper ring hangers (15) are arranged in pairs. Claim 8 delete Claim 9 delete Claim 10 delete Claim 11 delete Claim 12 delete Claim 13 A fall prevention net device for overhead power distribution poles according to claim 1, characterized in that a plurality of lower ring hangers (25) are arranged in pairs. Claim 14 delete Claim 15 A power distribution pole fall prevention net device according to claim 1, characterized in that a plurality of the nets (40) are installed at 360° when arranged around the utility pole (1). Claim 16 A power distribution pole fall prevention net device according to claim 1, characterized in that a plurality of the nets (40) are installed at an angle of 60° to 300° when partially arranged around the utility pole (1). Claim 17 ◈Claim 17 was abandoned upon payment of the registration fee.◈ A device for preventing falling objects on poles during overhead power distribution construction, characterized in that, in Claim 1, a plurality of the band connecting rods (60) are provided with a ring-shaped connecting bracket (62) installed at one end so that the band connecting rod (60) can be hung on the lower ring hanging part (25), and a fixing bracket (64) installed at the other end so that the band connecting rod (60) is simultaneously connected to the upper ring hanging part (15) and the lower part of the spacing rod (30). Claim 18 ◈Claim 18 was abandoned upon payment of the registration fee.◈ A fall prevention net device for overhead power distribution poles according to Claim 1, characterized in that the length side of a plurality of band connecting rods (60) is bent at a certain angle so that the mesh (40) moves upward as it moves away from the circumference of the lower band (20). Claim 19 delete

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