JP2015201921A - Flying object removing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flying object removing device which improves workability by making a roller rolling on an overhead wire unlikely to separate from the overhead wire.SOLUTION: A pair of front and rear main rollers 20 rolling on a power line 24 are formed so as to be rotated by a rotary shaft 16 that is supported onto a frame 11. The frame 11 is formed from a pair of opposing frame bodies 14 which are formed from a horizontal member 12 and a pair of diagonal members 13 with an inverse triangular front face, and a connection frame 15 connecting the frame bodies 14. The diagonal member 13 includes a cutting blade 30. Before and behind the frame body 14, an auxiliary roller 37 is provided which is rolled on the power line 24 when the main roller 20 moves over a damper fixed on the power line 24. As a wire member, one traction rope 34 is connected to the connection frame 15 positioned in a lower end of the frame body 14.

Description

  The present invention relates to a flying object removing device for cutting and removing flying objects such as a bag entangled with an overhead line such as a power transmission line.

  Generally, flying objects such as kites that are swept away by wind may get entangled with overhead lines such as power transmission lines installed between steel towers. If flying objects get entangled with the power transmission line, there is a risk that the transmission will be hindered, and it is necessary to quickly remove the flying object tangled with the transmission line.

  Such a flying object removing device is disclosed in, for example, Patent Document 1. This flying object removal apparatus removes the flying object adhering to an overhead wire by operating the rope member connected with the apparatus main body, and making an apparatus main body drive | run along an overhead line. The apparatus main body includes a plurality of rollers disposed at intervals in the longitudinal direction of the overhead wire, a support frame that supports the rollers, and a cutting blade provided on a hanging member that extends downward from the support frame. ing. One end of the rope member is connected to the lower end of the hanging member, and the other end of the rope member extends to the ground.

  When operating the flying object removing device, the ground operator grasps the cable member and pulls it along the overhead line, so that a plurality of rollers roll on the overhead line, and the cutting blade becomes the overhead line. Cut the tangled projectiles. For this reason, the flying object entangled with the overhead line is separated from the overhead line and removed.

JP 2007-209187 A

  The conventional flying object removing apparatus described in Patent Document 1 is configured such that a plurality of rollers are fixed to a support frame. Incidentally, a damper or the like is fixed to the power transmission line as an overhead line in order to prevent twisting of the power transmission line. And when a some roller rolls on an overhead line, each roller must get over obstacles, such as the said damper, in order.

  However, when the operator performs an operation of pulling the cable member on the ground, the apparatus body is inclined so that the front is lifted and the rear is lowered. At this time, since the plurality of rollers are fixed to the support frame, they are arranged in an inclined state in which the front roller is higher and the rear roller is lower as the apparatus main body is inclined.

  For this reason, when the roller at the front position gets over the obstacle fixed to the overhead line in this state, the roller at the front position easily rises, and the roller is likely to come off from the overhead line. Moreover, when the operator pulls the cable member and the roller gets over the obstacle, the roller is pulled strongly, so that the roller is more easily detached from the overhead line.

Therefore, the operator has to adjust the operation of pulling the cable member or repeat the operation of getting over the obstacle, and there is a problem that workability is poor.
Accordingly, an object of the present invention is to provide a flying object removing apparatus in which a roller that rolls on an overhead line is unlikely to come off from the overhead line and the workability is improved.

  In order to achieve the above object, the flying object removing apparatus according to the first aspect of the present invention includes a pair of front and rear main rollers connected by a connecting member supported by a frame, and the frame has a cutting blade. A flying object removing device that operates a rope member suspended from the frame to cause the main roller to travel along the overhead line and remove the flying object entangled with the overhead line, the connecting member being supported by the frame When the main roller gets over the obstacle fixed on the overhead wire, the connecting member turns around the rotation axis, and the main roller gets over the obstacle. It is configured as described above.

  According to a second aspect of the present invention, there is provided a flying object removing apparatus according to the first aspect, wherein the main roller rolls on the overhead wire when the main roller gets over the obstacle fixed to the overhead wire before and after the frame. An auxiliary roller is provided.

  According to a third aspect of the present invention, there is provided the flying object removing apparatus according to the first or second aspect, wherein the main roller is formed in a drum shape having a V-shaped cross section, and the auxiliary roller is formed in a cylindrical shape. It is formed.

  According to a fourth aspect of the present invention, there is provided the flying object removing apparatus according to any one of the first to third aspects, wherein the frame is a pair of front inverted triangles formed by a horizontal member and a pair of diagonal members. The frame main body and a connecting frame for connecting the frame main bodies.

  According to a fifth aspect of the present invention, in the invention according to the fourth aspect, the cutting blade is provided at least on the diagonal member of the frame, and the cutting blade and the saw blade are overlapped. It is characterized by that.

  According to a sixth aspect of the present invention, there is provided a flying object removing apparatus according to the fourth or fifth aspect of the present invention, wherein the connecting frame located at the lower end of the frame body has a single rope member operated on the ground. It is connected.

  According to a seventh aspect of the present invention, there is provided the flying object removing apparatus according to any one of the fourth to sixth aspects, wherein the connecting frame positioned at the lower end of the frame body has a torque hinge. It is configured to be openable and closable.

  According to the flying object removing apparatus of the present invention, the roller that rolls on the overhead wire is unlikely to come off from the overhead wire, and the workability can be improved.

The perspective view which shows the flying object removal apparatus in embodiment. The front view which shows a flying object removal apparatus. The side view which shows a flying object removal apparatus. The top view which shows a flying object removal apparatus. (A) is a side view which shows a main roller, (b) is a front view which shows a main roller. (A) is a front view which shows a connection board, (b) is a top view which shows a connection board. (A) is a front view which shows the unit roller which comprises an auxiliary roller, (b) is a side view which shows a unit roller. The front view which shows the damper fixed to the power transmission line. The front view which shows a hanging tool. The front view which shows an auxiliary tool. It is a figure which shows the effect | action of a flying object removal apparatus, Comprising: Explanatory drawing which shows the state which binds a flying object removal apparatus to a steel tower with a tow rope. (A) And (b) is explanatory drawing which shows the state which mounts a flying object removal apparatus on a power transmission line from the state of FIG. Explanatory drawing which shows the state which drops a tow rope from the flying object removal apparatus on the ground following the state of FIG. (A) And (b) is explanatory drawing which shows the state which the ground worker pulls the flying object removal apparatus along a power transmission line from the state of FIG. Explanatory drawing which shows the state from which the main roller of a front position gets over a damper from the state of FIG. FIG. 16 is an explanatory diagram showing a state in which the main roller at the rear position gets over the damper from the state of FIG. 15.

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS.
As shown in FIGS. 1 to 4, the frame 11 constituting the flying object removing device 10 includes a pair of opposed frame main bodies 14 formed of a horizontal member 12 and a pair of diagonal members 13, and the frame main bodies 14. And a connecting frame 15 for connecting the two. The pair of frame main bodies 14 are formed in a front inverted triangle shape, and their strength and rigidity are enhanced. A rotation shaft 16 is supported at the center of each horizontal member 12. A pair of connecting plates 17 as connecting members are supported on these rotating shafts 16 so as to be rotatable about the rotating shaft 16.

  As shown in FIGS. 6 (a) and 6 (b), each connecting plate 17 has a front chevron shape, a shaft hole 18 through which the rotating shaft 16 is inserted is formed at the center, and the main roller is formed at both ends. A shaft support hole 21 through which the 20 rotation shafts 19 are inserted is formed. The rotation shafts 19 of the pair of front and rear main rollers 20 are respectively supported by shaft support holes 21, and the main roller 20 is configured to be rotatable about the rotation shaft 19.

  As shown in FIGS. 5 (a) and 5 (b), these main rollers 20 are composed of a hexagon bolt 22 and a hexagon nut 23 in a state where a pair of roller divided bodies 20a having a horizontal trapezoidal cross section are opposed to the small diameter side. Concatenated. The main roller 20 is formed in a drum shape having a V-shaped cross section as a whole, and is configured to roll on the power transmission line 24 as an overhead line. The main roller 20 is made of polyacetal resin (POM, specific gravity 1.41), and is lighter than metals such as aluminum (specific gravity 2.70).

  As shown in FIG. 8, a twist preventing damper 25 is fixed to the power transmission line 24 as an obstacle. The damper 25 is configured such that an armor rod 26 covered with a power transmission line 24 is held by a clamp 27 and a weight 28 is supported on a lower end portion of the clamp 27.

  As shown in FIGS. 1 and 2, a cutting blade 30 is attached to each of the diagonal members 13 and the connecting frame 15 at the lower end. The cutting blade 30 is configured by overlapping a cutting blade 29 and a saw blade 31, and is formed so that the blade portion of the cutting blade 29 faces the saw portion of the saw blade 31. With the movement of the frame main body 14, the kite string 32 a of the kite 32 entangled with the power transmission line 24 is drawn into the saw portion of the saw blade 31 and can be removed by cutting with the cutting blade 29. ing.

  As shown in FIGS. 1 to 3, a pair of short ropes 33 constituting a rope member are suspended from both ends of the connecting frame 15 located at the lower end of the frame body 14. The tow rope 34 constituting the rope member is suspended. Both the short rope 33 and the tow rope 34 are bundled in a Y shape so that the one tow rope 34 can be operated on the ground.

  Then, as shown in FIGS. 14 (a) and 14 (b), the operator 35 pulls one traction rope 34 on the ground along the power transmission line 24, thereby advancing the frame body 14, and a pair of front and rear The main roller 20 can roll on the power transmission line 24. In this case, since the connecting plate 17 that connects the pair of front and rear main rollers 20 is supported so as to be rotatable about the rotation shaft 16, the pair of main rollers 20 is inclined to move forward in the frame body 14. The main roller 20 can easily get over the damper 25 of the power transmission line 24.

  As shown in FIG. 1, gate-shaped support fittings 36 are erected as connecting frames 15 at both front and rear ends of the opposing horizontal member 12, and an auxiliary roller 37 is disposed between the opposing support fittings 36 as a rotation axis. It is supported so as to be rotatable about 51. As shown in FIGS. 7A and 7B, the auxiliary roller 37 is formed by arranging a plurality of cylindrical unit rollers 37a so that any part of the auxiliary roller 37 can roll on the power transmission line 24. It has become. These auxiliary rollers 37 are always spaced above the power transmission line 24 and are configured to roll on the power transmission line 24 when the main roller 20 gets over the damper 25 of the power transmission line 24. The auxiliary roller 37 is made of nylon resin (specific gravity of PA, 6 nylon and 6,6 nylon 1.14), and is lighter than metals such as aluminum. A cutting blade 30 is attached to the upper surface of the support fitting 36, and the string 32a can be cut also at this portion.

  As shown in FIGS. 1 to 3, a gate-shaped frame body 38 is attached to the horizontal member 12 as the connecting frame 15 between the central portions of the two horizontal members 12 together with the rotating shaft 16. An annular ring 39 is secured to the upper surface of the central portion of the frame 38. The hanging tool 40 shown in FIG. 9 is engaged with the hanging ring 39 to suspend the flying object removing device 10.

  As shown in FIG. 9, the suspension tool 40 has a spiral portion 43 at the tip end of a rod-shaped tool body 41, and the spiral portion 43 is rotated around a suspension ring 39 of the frame body 38. By letting it pass, the flying object removing device 10 can be suspended.

  As shown in FIG. 10, the auxiliary tool 44 has a hook portion 46 at the tip of a rod-shaped tool main body 45, and can be pulled and lifted by hooking the traction rope 34.

  As shown in FIG. 3, a pair of hooks 47 for locking the traction rope 34 is fixed to the gate-shaped frame 38 at the center position of the both horizontal members 12. The tow rope 34 is temporarily locked to the hook 47.

  As shown in FIGS. 1 and 3, the connecting frame 15 positioned at the lower end of the frame body 14 is configured to be opened and closed by an opening / closing plate 52 that constitutes a snatch lock mechanism having a torque hinge. The snatch lock mechanism is a mechanism in which the state is maintained by a spring (not shown) after the opening / closing plate 52 of the connection frame 15 is closed. The torque hinge is a mechanism that holds the open state with a predetermined rotational force after the opening / closing plate 52 of the connecting frame 15 is opened.

  A locking ring 48 is attached to the connection frame 15, and the hook portion 46 of the auxiliary tool 44 is locked and pulled on the locking ring 48 so that the lock of the opening / closing plate 52 of the connection frame 15 can be released. It has become. In this state, the opening / closing plate 52 can be opened and closed by pressing the opening / closing plate 52 with the hook portion 46 of the auxiliary tool 44. Further, the open / close plate 52 of the connection frame 15 can be held open by the torque hinge of the snatch lock mechanism.

The center of gravity of the flying object removing device 10 as a whole is preferably set below the power transmission line 24 in order to obtain the traveling stability of the flying object removing device 10.
Next, the removal method of the ridge 32 by the flying object removal apparatus 10 mentioned above is demonstrated with an effect | action.

  Now, when removing the hook 32 entangled with the power transmission line 24 in the live line state, the worker 35 first carries the flying object removal device 10 accommodated in the shoulder bag to the tower 49 above the power transmission line 24. As shown in FIG. 11, the traction rope 34 on the steel tower 49 side is tied to the steel tower 49 at that position, and the traction rope 34 on the side opposite to the steel tower 49 is wound around the hook 47 on the upper position. Subsequently, the opening / closing plate 52 of the connecting frame 15 located at the lower end of the frame body 14 is opened. At this time, since the snatch lock mechanism is provided with a torque hinge, the open / close plate 52 can be held open.

  Next, as shown in FIGS. 12A and 12B, the spiral portion 43 of the hanging tool 40 is rotated and passed through the hanging ring 39 of the flying object removing device 10 to be locked. At this time, by hanging the auxiliary rope 50 on the tip side of the tool body 41 of the hanging tool 40 and pulling it, the flying object removing device 10 can be suspended with the hanging tool 40 in a stable state.

  In a state where the flying object removing device 10 is suspended by the hanging tool 40, the pair of frame main bodies 14 of the flying object removing device 10 straddle the power transmission line 24 from above the power transmission line 24, and the pair of front and rear main rollers 20 are moved. It is placed on the power transmission line 24. At this time, since the opening / closing plate 52 can be held open by the torque hinge of the snatch lock mechanism, the pair of frame main bodies 14 of the flying object removing device 10 can be operated so as to quickly straddle the power transmission line 24. Further, the flying object removing device 10 can be held in a stable state by the spiral portion 43 of the hanging tool 40, and the work for supporting the flying object removing device 10 can be smoothly advanced.

  Thereafter, the hook portion 46 of the auxiliary tool 44 is hooked on the locking ring 48 of the connecting frame 15 and pulled to release the lock of the opening / closing plate 52, and the opening / closing plate 52 is pressed by the hook portion 46 of the auxiliary tool 44 to open / close. The plate 52 can be closed. At this time, the open / close plate 52 can be held in a closed state by the snatch lock mechanism, and can be supported with respect to the power transmission line 24 so that the flying object removing device 10 does not fall.

  Subsequently, as shown by a two-dot chain line in FIG. 13, the hook portion 46 of the auxiliary tool 44 is hooked on the pulling rope 34 hung on the hook 47 of the frame 38, and the pulling rope 34 is detached from the hook 47. Thereafter, as shown by a solid line in FIG. 13, the hook portion 46 of the auxiliary tool 44 is hung on the traction rope 34 removed from the hook 47 of the frame body 38, and the traction rope 34 is pulled toward the steel tower 49.

  Subsequently, as shown in FIGS. 14A and 14B, the tow rope 34 on the opposite side of the steel tower 49 is connected to the tow rope 34 on the steel tower 49 side so as to serve as one tow rope 34 to the worker 35 on the ground. Take down to reach. Thus, by using the auxiliary tool 44, the operation of the tow rope 34 can be smoothly advanced.

  In this state, the pair of main rollers 20 of the flying object removing device 10 can travel on the power transmission line 24 by the ground operator 35 pulling one tow rope 34 in the direction in which the power transmission line 24 extends. it can. At this time, since the main roller 20 is formed in a drum shape having a V-shaped cross section, even when the flying object removing device 10 is pulled in an oblique direction with respect to the power transmission line 24 by the tow rope 34, the main roller 20 20 can roll on the power transmission line 24 in a stable state, and derailment is suppressed.

  Next, as shown in FIG. 15, the main roller 20 at the front position reaches the damper 25 fixed to the power transmission line 24 and gets over the damper 25. At this time, since the connecting plate 17 that supports the main roller 20 is rotatably supported by the rotation shaft 16 with respect to the frame main body 14, the lower end portion of the frame main body 14 is inclined by being pulled by the pulling rope 34. In this case, the connecting plate 17 rotates relative to the frame main body 14 so that the influence of the force from the frame main body 14 can be avoided.

  Further, when the front main roller 20 gets over the damper 25, the rear auxiliary roller 37 is placed on the power transmission line 24, rotates around the rotation axis 51, and rolls on the power transmission line 24. Therefore, the flying object removing device 10 is supported by the auxiliary roller 37 in addition to the main roller 20. Therefore, the flying object removing device 10 can get over the damper 25 in a more stable state by the main roller 20 and the auxiliary roller 37.

  Subsequently, as shown in FIG. 16, the main roller 20 at the rear position reaches the damper 25 of the power transmission line 24 and gets over the damper 25. Also at this time, since the connecting plate 17 that supports the main roller 20 is configured to be rotatable with respect to the frame main body 14, when the frame main body 14 is tilted, the connecting plate 17 is relative to the frame main body 14. The relative rotation can be avoided and the force received from the frame body 14 can be avoided.

  Further, in this case as well, since the rear auxiliary roller 37 rolls on the power transmission line 24, the flying object removing device 10 is supported by the auxiliary roller 37 in addition to the main roller 20. Therefore, the flying object removing device 10 can get over the damper 25 in a stable state.

  Thereafter, as shown in FIG. 2, when the flying object removing device 10 reaches the kite 32 entangled with the power transmission line 24, the cutting blade 30 provided on the diagonal member 13 can cut the kite string 32 a. At this time, since the cutting blade 30 is configured by overlapping the cutting blade 29 and the saw blade 31, the kite string 32 a is captured by the saw blade 31, and the kite string 32 a is cut by the cutting blade 29. For this reason, it is easy to catch the string 32a, and the captured string 32a can be immediately cut.

  When the flying object removing device 10 is pulled in the direction opposite to the above, the main roller 20 at the rear position first gets over the damper 25, and then the main roller 20 at the front position gets over the damper 25. When the main roller 20 at the rear position and the front position gets over the damper 25, the auxiliary roller 37 at the front position rolls on the power transmission line 24.

The effects obtained by the embodiment described in detail above are collectively described below.
(1) In the flying object removing device 10 of this embodiment, the connecting plate 17 that supports the pair of front and rear main rollers 20 is configured to be rotatable by the rotating shaft 16 supported by the frame 11. For this reason, when the main roller 20 gets over the damper 25 fixed to the power transmission line 24, the connecting plate 17 rotates about the rotation shaft 16, and the force acting on the frame 11 reaches the main roller 20. Can be suppressed. Accordingly, the main roller 20 can get over the damper 25 in a stable state without being detached from the power transmission line 24.

  Therefore, according to the flying object removing device 10 of the present embodiment, the main roller 20 that rolls on the power transmission line 24 is unlikely to come off from the power transmission line 24, and the workability of removing the gutter 32 can be improved. Play.

  (2) An auxiliary roller 37 is provided before and after the frame 11. Therefore, the auxiliary roller 37 can roll on the power transmission line 24 when the main roller 20 gets over the damper 25 fixed to the power transmission line 24. Therefore, the main roller 20 can get over the damper 25 in a more stable state.

  (3) Since the main roller 20 is formed in a drum shape having a V-shaped cross section, the power transmission line 24 is guided to the bottom of the V shape of the main roller 20, and the main roller 20 is detached from the power transmission line 24. Can be suppressed. Further, since the auxiliary roller 37 is formed in a cylindrical shape, the auxiliary roller 37 can roll on the power transmission line 24 at any part of the auxiliary roller 37, and effectively assists the main roller 20 over the damper 25. can do.

  (4) The frame 11 includes a pair of frame main bodies 14 that form a front inverted triangle shape with a horizontal member 12 and a pair of diagonal members 13, and a connecting frame 15 that connects the frame main bodies 14 together. For this reason, while being able to make the structure of the flame | frame 11 simple and lightweight, the intensity | strength and rigidity of the flame | frame 11 can be raised.

  (5) The cutting blade 30 is provided on at least the diagonal member 13 of the frame 11, and the cutting blade 29 and the saw blade 31 are overlapped. For this reason, the kite thread 32a can be captured by the saw blade 31, and the captured kite thread 32a can be cut by the cutting blade 29, so that the cutting performance can be improved.

  (6) One traction rope 34 operated on the ground is connected to the connection frame 15 located at the lower end of the frame main body 14 via two short ropes 33. Therefore, the tow operation of the flying object removing device 10 by the ground operator 35 can be easily and quickly performed by the single tow rope 34.

  (7) The connecting frame 15 positioned at the lower end of the frame body 14 is configured to be opened and closed by a snatch lock mechanism having a torque hinge. Therefore, the connecting frame 15 can be easily opened and closed, and the flying object removing device 10 can be smoothly installed on the power transmission line 24.

It should be noted that the embodiment described above can be modified and embodied as follows.
-You may shape the said frame main body 14 in shapes, such as a front inverted trapezoid shape with a long upper side and a short lower side, a front pentagon shape (home base shape of a baseball).

  The auxiliary roller 37 is installed between the support brackets 36 by changing the height of the support brackets 36, or is installed between the intersections of the horizontal member 12 and the diagonal member 13 with the support brackets 36 omitted. Or, it may be installed between the intermediate portions of the horizontal member 12.

As the material of the main roller 20 and the auxiliary roller 37, engineering plastics such as polycarbonate (PC, specific gravity 1.20) may be used.
The cutting blade 30 of the connecting frame 15 and the cutting blade 30 of the support fitting 36 may be omitted, and only the cutting blade 30 provided on the diagonal member 13 as the cutting blade 30 may be configured.

-The overhead wire may be a distribution line, an insulated wire, or the like.
The auxiliary roller 37 may be composed of a single cylindrical roller instead of the plurality of unit rollers 37a.

  DESCRIPTION OF SYMBOLS 10 ... Flying object removal apparatus, 11 ... Frame, 12 ... Horizontal material, 13 ... Diagonal material, 14 ... Frame main body, 15 ... Connection frame, 16 ... Rotating shaft, 17 ... Connection plate as connection member, 20 ... Main roller 24 ... Transmission line as an overhead line, 25 ... Damper as an obstacle, 29 ... Cutting blade, 30 ... Cutting blade, 31 ... Saw blade, 32 ... Spear as a flying object, 32a ... Spear thread as a flying object, 34 ... Tow rope as a rope member, 37 ... Auxiliary roller, 52 ... Opening / closing plate constituting a snatch lock mechanism.

Claims (7)

In addition to a pair of front and rear main rollers connected by a connecting member supported by a frame, the frame includes a cutting blade, and operates the rope member suspended from the frame to run the main roller along the overhead line. A flying object removing device that removes the flying object entangled with the overhead wire,
The connecting member is formed so as to be rotatable by a rotation shaft supported by a frame, and when the main roller gets over an obstacle fixed to the overhead wire, the connection member rotates about the rotation shaft, A flying object removing apparatus characterized in that the main roller is configured to get over an obstacle. The flying object removing apparatus according to claim 1, further comprising an auxiliary roller that rolls on the overhead line when the main roller gets over the obstacle fixed to the overhead line, before and after the frame. The flying object removing apparatus according to claim 1 or 2, wherein the main roller is formed in a drum shape having a V-shaped cross section, and the auxiliary roller is formed in a cylindrical shape. The said frame is comprised by a pair of frame main body which makes a front inverted triangle shape with a horizontal material and a pair of diagonal materials, and the connection frame which connects between frame main bodies. The flying object removal apparatus of any one of these. The flying object removing apparatus according to claim 4, wherein the cutting blade is provided at least on a diagonal member of the frame, and the cutting blade and the saw blade are overlapped with each other. 6. The flying object removing apparatus according to claim 4, wherein a single rope member operated on the ground is connected to the connecting frame located at the lower end of the frame body. The flying object removal according to any one of claims 4 to 6, wherein the connecting frame located at the lower end of the frame body is configured to be opened and closed by a snatch lock mechanism having a torque hinge. apparatus.