WO2020144976A1 - 掴線器、および、線材切分工具 - Google Patents
掴線器、および、線材切分工具 Download PDFInfo
- Publication number
- WO2020144976A1 WO2020144976A1 PCT/JP2019/047129 JP2019047129W WO2020144976A1 WO 2020144976 A1 WO2020144976 A1 WO 2020144976A1 JP 2019047129 W JP2019047129 W JP 2019047129W WO 2020144976 A1 WO2020144976 A1 WO 2020144976A1
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- WO
- WIPO (PCT)
- Prior art keywords
- wire
- wire rod
- receiving space
- guide
- gripper
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B25/00—Implements for fastening, connecting or tensioning of wire or strip
Definitions
- the present invention relates to a wire gripper and a wire rod cutting tool.
- a wire gripper that grips wire materials such as overhead wires is known.
- Patent Document 1 discloses an overhead line cutting tool.
- the other wire gripper is pushed up using a remote control rod. More specifically, the other gripper is pushed up using the remote control rod while the hook of the remote control rod is hooked on the retaining ring of the other gripper.
- An object of the present invention is to provide a wire gripper that can easily attach a wire gripper to a wire and a wire cutting tool.
- the present invention relates to a wire gripper and a wire rod cutting tool shown below.
- the guide member is A first plate portion having the closing portion; A second plate portion having the guide portion, The wire gripper according to (1), wherein the first plate portion and the second plate portion are connected via a bent portion.
- the guide portion includes a guide surface that guides the wire rod by coming into contact with the wire rod, The grabber according to any one of (1) to (5), wherein the guide surface is an inclined surface inclined with respect to a surface perpendicular to the first axis.
- the guide member is formed with a slit or a through hole that allows the inside of the wire rod receiving space to be visually recognized from the outside of the wire rod receiving space, or The said guide member has a 1st guide member and a 2nd guide member arrange
- the wire gripper according to any one of (1) to (7) above, An extendable rod member connected to the wire gripper; A second wire gripper connected to the rod member.
- FIG. 1 is a schematic two-sided view schematically showing the wire gripper according to the first embodiment.
- FIG. 2 is a schematic perspective view schematically showing an example of the guide portion.
- FIG. 3 is a schematic front view schematically showing an example of the lever member.
- FIG. 4 is a schematic front view schematically showing the wire gripper according to the modified example of the first embodiment.
- FIG. 5 is a schematic two-sided view schematically showing the wire gripper according to the second embodiment.
- FIG. 6 is a schematic side view schematically showing the wire gripper in the second embodiment.
- FIG. 7 is a schematic front view schematically showing an example of the guide member.
- FIG. 8 is a schematic front view schematically showing another example of the guide member.
- FIG. 9 is a schematic front view schematically showing still another example of the guide member.
- FIG. 10 is a schematic two-sided view schematically showing the wire gripper according to the second embodiment.
- FIG. 11 is a schematic two-sided view schematically showing the wire gripper according to the second embodiment.
- FIG. 12 is a schematic two-sided view schematically showing the wire gripper according to the second embodiment.
- FIG. 13 is a schematic side view schematically showing the wire gripper according to the second embodiment.
- FIG. 14 is a schematic front view which shows typically the wire rod cutting tool in 3rd Embodiment.
- FIG. 15 is a schematic side view schematically showing an example of the wire rod support tool.
- the extending direction of the wire rod gripped by the wire gripper in other words, the extending direction of the wire rod receiving space of the wire gripper is defined as the “first direction”.
- the wire gripper includes a lever member (lever member 40)
- the direction in which the wire rod gripped by the wire gripper extends and the lever member is pulled is defined as the “first direction”.
- the direction opposite to the first direction is defined as the second direction.
- the 1st direction side of a gripper may be called “back”
- the 2nd direction side of a gripper may be called "front”.
- FIG. 1 is a schematic two-sided view schematically showing a wire gripper 1A according to the first embodiment.
- a schematic front view is shown on the right side of FIG. 1, and a schematic side view is shown on the left side of FIG. In the left side view (schematic side view) of FIG. 1, the lock member 50 and the like are omitted in order to avoid complication of the drawing.
- FIG. 2 is a schematic perspective view schematically showing an example of the guide part GA.
- FIG. 3 is a schematic front view schematically showing an example of the lever member 40.
- FIG. 4 is a schematic front view schematically showing the wire gripper 1A in the modified example of the first embodiment.
- the wire gripper 1A in the first embodiment includes a first member 11, a second member 12, a swinging member 20, and a first engaging portion 30.
- the first member 11 has a first contact surface 11a that contacts the wire W (more specifically, the upper side surface of the wire W).
- the cross-sectional shape of the first contact surface 11a perpendicular to the first direction DR1 is, for example, a curved shape that is recessed upward.
- the 1st member 11 may be comprised by one component, and may be comprised by the assembly of several components.
- the second member 12 has a second contact surface 12a that contacts the wire W (more specifically, the lower surface of the wire W).
- the cross-sectional shape of the second contact surface 12a perpendicular to the first direction DR1 is, for example, a curved shape that is recessed downward.
- the 2nd member 12 may be comprised by one component, and may be comprised by the assembly of several components.
- the first member 11 and the second member 12 grip the wire W by the first contact surface 11 a and the second contact surface 12 a contacting the wire W.
- the wire rod W gripped by the first member 11 and the second member 12 is, for example, an electric wire (more specifically, an erected electric wire).
- the swing member 20 is connected to the first member 11 so as to be rotatable about the first axis AX1. More specifically, the wire gripper 1A includes a first pin member P1 that rotatably connects the swing member 20 and the first member 11, and the first pin member P1 extends along the first axis AX1. Are arranged.
- the swinging member 20 is connected to the second member 12 so as to be rotatable about the second axis AX2.
- the wire gripper 1A includes a second pin member P2 that rotatably connects the swing member 20 and the second member 12, and the second pin member P2 extends along the second axis AX2. Are arranged.
- the swinging member 20 may be composed of one part or an assembly of a plurality of parts. In the example illustrated in FIG. 1, the swinging member 20 is a plate-shaped member.
- the swinging member 20 has a substantially triangular shape when viewed from the front, and the above-mentioned first axis AX1, the above-mentioned second axis AX2, and the below-described third axis AX3 are respectively provided at the respective vertexes of the triangle. It is arranged.
- the shape and structure of the swinging member 20 are not limited to the example shown in FIG.
- the first engaging portion 30 is a portion that can be engaged with the tip of a gripping tool lifting tool (in other words, a remote control tool for lifting the gripping tool 1A upward).
- the first engaging portion 30 is the through hole portion 30h.
- the first engaging portion 30 is arranged below the first contact surface 11a and the second contact surface 12a. More specifically, a state in which the postures of the first member 11 and the second member 12 are maintained so that the first contact surface 11a is located above the second contact surface 12a (in other words, the gripper 1A is The first engaging portion 30 is arranged below the first contact surface 11a and the second contact surface 12a in the state of being lifted by the wire gripper lifting tool).
- the wire rod is in the wire rod receiving space SP between the first contact surface 11a and the second contact surface 12a.
- the wire gripper lifting tool does not intersect with the wire W. More specifically, in the step of attaching the wire gripper 1A to the wire W, the portion of the wire gripper lifting tool that engages with the first engaging portion 30 is always located below the wire W. .. Therefore, the wire W and the gripper lifting tool do not interfere with each other, and the work of attaching the wire gripper 1A to the wire W can be smoothly performed.
- the first member 11 includes an upper portion 111 located above the first contact surface 11a and the second contact surface 12a, and a lower portion 112 located below the first contact surface 11a and the second contact surface 12a. , The intermediate portion 113 positioned at a height between the height of the first contact surface 11a and the height of the second contact surface 12a.
- the first engaging portion 30 is arranged in the lower portion 112 of the first member 11. Therefore, in the process of attaching the wire gripper 1A to the wire rod W, the wire rod W does not interfere with the wire gripper lifting tool, and the work of attaching the wire gripper 1A to the wire rod W can be smoothly performed.
- the first engaging portion 30 is provided on the first member 11 (more specifically, the lower portion 112 of the first member 11), the process of attaching the wire gripper 1A to the wire W.
- the positional relationship between the first engaging portion 30 and the first member 11 does not change. More specifically, when the first member 11 contacts the wire W, the first engaging portion 30 does not swing with respect to the first member 11. Therefore, the work of attaching the wire gripper 1A to the wire W can be smoothly performed.
- the first engagement portion 30 is arranged on the swing member 20, the first member 11 comes into contact with the wire W so that the first engagement portion 30 moves. At the same time, it swings with respect to the first member 11. The swinging may hinder the work of attaching the wire gripper 1A to the wire rod W.
- the wire gripper 1A in the first embodiment may include a lever member 40 that is rotatably connected to the swing member 20 about the third axis AX3. Further, the wire gripper 1A may include a third pin member P3 that rotatably connects the swing member 20 and the lever member 40. The third pin member P3 is arranged along the third axis AX3.
- the swing member 20 connected to the lever member 40 swings around the first axis AX1.
- the second contact surface 12a of the second member 12 moves in a direction approaching the first contact surface 11a of the first member, and as a result, the wire W moves toward the first member 11 and It is gripped by the second member 12.
- the second end 40b of the lever member 40 (the end opposite to the first end connected to the swing member 20) is a free end.
- the free end is connected to, for example, a stretchable rod member 70 described below.
- two or more through holes 40h may be formed in the second end 40b of the lever member 40 along the vertical direction. In this case, the position at which the second end 40b is connected to the rod member 70 can be switched in the vertical direction.
- the gripper 1A (more specifically, the first member 11) may include a guide portion GA that guides the movement of the lever member 40.
- the guide portion GA is provided on the rear side portion (the portion on the first direction DR1 side) of the first member 11. In the example illustrated in FIG. 1, the guide portion GA extends so as to project downward and rearward from the rear end of the first contact surface 11a (or the rear end of the second contact surface 12a).
- the guide portion GA includes a guide wall Gw that guides the lever member 40.
- the guide wall Gw is, for example, a wall that defines the through hole Gh through which the intermediate portion 43 (see FIG. 1) of the lever member 40 is inserted.
- the first engaging portion 30 is arranged in the guide portion GA that guides the movement of the lever member 40. More specifically, the first engaging portion 30 is arranged at the lower end portion of the guide portion of the guide portion GA located below the lever member 40 (in other words, the lower end portion 112b of the first member 11). There is.
- the first engaging portion 30 When the first engaging portion 30 is disposed in the guide portion GA that guides the movement of the lever member 40, the first engaging portion 30 includes the first contact surface 11a, the second contact surface 12a, and It will be arranged at a position sufficiently distant from the swing member 20. Therefore, it is possible to prevent the field of view of an operator who attaches the wire gripper 1A to the wire W from being obstructed by the wire gripper lifting tool engaged with the first engaging portion 30.
- the lever member 40 may have an engaging portion 42 that can be engaged with the guide portion GA (more specifically, the lower end portion 112b).
- the engagement portion 42 is provided on the lower surface 40s of the lever member 40.
- the engaging portion 42 is a recess 40d provided on the lower surface 40s of the lever member 40.
- lever member 40 When the lever member 40 includes the engaging portion 42 that can be engaged with the guide portion GA, it is possible to maintain the relative position between the lever member 40 and the guide portion GA.
- the lever member 40 when the lever member 40 includes the engaging portion 42 that can be engaged with the guide portion GA, when the wire gripper 1A is lifted by the wire gripper lifting tool, the lever member 40 is moved relative to the first member 11. Do not move relative to each other. Therefore, the interval between the first contact surface 11a and the second contact surface 12a is maintained at a constant interval, and the wire rod W is placed in the wire rod receiving space SP defined by the first contact surface 11a and the second contact surface 12a. The work of inserting can be executed smoothly.
- the engagement between the engagement portion 42 and the guide portion GA (more specifically, the lower end portion 112b) is maintained by the gravity acting on the lever member 40.
- the engagement between the engagement portion 42 and the guide portion GA can be released.
- the first engaging portion 30 is arranged at the rear side portion of the first member 11 (more specifically, the guide portion GA that guides the movement of the lever member 40).
- the first engaging portion 30 is arranged at the front side portion 11f of the first member 11 (more specifically, the end portion on the second direction DR2 side).
- the wire gripper 1A may be used. The field of view of an operator who performs the work of attaching the wire W to the wire W is prevented from being obstructed by the wire gripper lifting tool engaged with the first engaging portion 30.
- the first engagement portion 30 is the through hole portion 30h.
- the central axis AX of the through hole portion 30h is parallel to the first axis AX1.
- the central axis AX of the through hole portion 30h may be parallel to the first direction DR1.
- the inner diameter of the said hole part is 13 mm or more and 45 mm or less, for example.
- the first engaging portion 30 is composed of the first engaging member 3 that is separate from the first member 11.
- the first engaging portion 30 may be integrally formed with the first member 11.
- the first engaging portion 30 may be formed by subjecting the first member 11 to perforation processing or the like.
- the first engagement member 3 may have the protrusion 32 (for example, a shoulder).
- the protrusion 32 is arranged above the central axis AX of the through hole 30h (more specifically, above the upper end of the through hole 30h).
- a part of the gripping wire lifting tool with a certain kind of gripping tool lifting tool (for example, SHOTGUN STICK (manufactured by HASTINGS), SHOTGUN STICK (manufactured by AB CHANCE)) engaged with the first engaging portion 30.
- a certain kind of gripping tool lifting tool for example, SHOTGUN STICK (manufactured by HASTINGS), SHOTGUN STICK (manufactured by AB CHANCE)
- the protrusion 32 protrudes in a direction away from the vertical plane Pa passing through the central axis AX of the through hole 30h.
- the protrusion 32 includes a first protrusion 32a and a second protrusion 32b, and the protrusion direction of the first protrusion 32a is opposite to the protrusion direction of the second protrusion 32b. ..
- the first engaging member 3 is provided with the second through hole portion 31h in addition to the through hole portion 30h functioning as the first engaging portion 30.
- the second through hole portion 31h is a hole portion that contributes to weight reduction of the first engaging member 3.
- the hole shape of the second through hole portion 31h is preferably different from the hole shape of the through hole portion 30h. Since the hole shape of the second through hole portion 31h is different from the hole shape of the through hole portion 30h, the operator can determine which hole portion is to be engaged with the gripper lifting tool. Can be easily recognized.
- the through hole portion 30h has a circular hole shape
- the second through hole portion 31h has a non-circular hole shape.
- the gripper 1A may include a lock member 50.
- the lock member 50 is a member for maintaining the state in which the wire W is held between the first contact surface 11a and the second contact surface 12a, in other words, the first contact surface 11a and the second contact surface 12a. It is a member that defines the distance between the two.
- the first portion 51 of the lock member 50 is attached to the first member 11, and the second portion (not shown) of the lock member 50 is attached to the swing member 20.
- the lock member 50 includes a first portion 51 attached to the first member 11 and a second portion attached to the swinging member 20, an operation portion 50a (for example, an operation ring), and a first portion of the lock member 50. And a threaded rod 50b for adjusting the distance between the first portion 51 and the second portion of the lock member 50. It should be noted that one of the first portion 51 and the second portion of the lock member 50 is formed with a screw that is screwed into the screw rod 50b.
- the other of the first portion 51 or the second portion of the lock member 50 is not formed with a screw that is screwed into the screw rod 50b, in other words, is formed with a through hole through which the screw rod 50b is inserted.
- the screw rod 50b is rotated by rotating the operation unit 50a (for example, an operation ring) using a remote operation tool.
- the operation unit 50a for example, an operation ring
- one of the first portion 51 and the second portion of the lock member 50 is screwed into the screw rod 5b, and therefore the first portion 51 of the lock member 50 and the second portion of the lock member 50.
- the swinging of the swinging member 20 reduces the distance between the first contact surface 11a and the second contact surface 12a, and the wire W is gripped between the first contact surface 11a and the second contact surface 12a. To be done.
- the wire member W is gripped by the first contact surface 11a and the second contact surface 12a by operating the lock member 50 with the wire member W disposed between the first contact surface 11a and the second contact surface 12a. The state is maintained. Further, the lock member 50 restricts the swing member 20 from swinging in the direction in which the distance between the first contact surface 11a and the second contact surface 12a increases. Therefore, the wire gripper 1A is prevented from unintentionally falling off the wire rod W.
- FIG. 5 is a schematic two-sided view schematically showing the wire gripper 1B according to the second embodiment.
- a schematic front view is shown on the right side of FIG. 5, and a schematic side view is shown on the left side of FIG. In the left side view (schematic side view) of FIG. 5, the lock member 50 and the like are omitted to avoid complication of the drawing.
- FIG. 6 is a schematic side view schematically showing the wire gripper 1B according to the second embodiment.
- FIG. 7 is a schematic front view schematically showing an example of the guide member 60.
- FIG. 8 is a schematic front view schematically showing another example of the guide member 60.
- FIG. 9 is a schematic front view schematically showing still another example of the guide member 60.
- 10 to 12 are schematic two-sided views schematically showing the wire gripper 1B in the second embodiment.
- a schematic plan view is shown on the upper side of FIGS. 10 to 12, and a schematic side view is shown on the lower side of FIGS. 10 to 12.
- FIG. 13 is a schematic side view schematically showing the wire gripper 1B according to the second embodiment.
- the wire gripper 1B in the second embodiment includes a guide member 60 that guides the wire W into the wire receiving space SP between the first contact surface 11a and the second contact surface 12a.
- the wire gripper 1B includes a first member 11, a second member 12, a swinging member 20, and a guide member 60.
- the gripper 1B may include a lever member 40.
- the first member 11, the second member 12, the swinging member 20, and the lever member 40 have already been described in the first embodiment, so the first member 11, the second member 12, the swinging member 20, Also, repeated description of the lever member 40 is omitted.
- the guide member 60 is a member that guides the wire W into the wire receiving space SP between the first contact surface 11a and the second contact surface 12a, and includes a closing portion 61 and a guide portion 62.
- the closing portion 61 is a portion that closes at least a part of the side portion of the wire rod receiving space SP.
- the closing part 61 prevents the wire rod W inserted in the wire rod receiving space SP from coming off from the wire rod receiving space SP.
- the guide portion 62 is a portion that guides the wire rod W that presses the guide portion 62 toward the wire rod receiving space SP.
- the wire gripper 1B includes the closing part 61 and the guide part 62, the work of inserting the wire W into the wire receiving space SP between the first contact surface 11a and the second contact surface 12a becomes easy, In addition, the wire W is prevented from coming off the wire receiving space SP. As a result, the work of attaching the wire gripper 1B to the wire W becomes easy.
- the guide member 60 has a first plate part PL1 having a closing part 61 and a second plate part PL2 having a guide part 62. Further, the first plate portion PL1 and the second plate portion PL2 are connected via the bent portion BN.
- the first plate part PL1, the second plate part PL2, and the bent part BN may be formed by bending one plate material.
- the guide portion 62 and the closing portion 61 are configured by one component that is integrally formed. In this case, the manufacturing cost of the guide member 60 is reduced.
- the guide portion 62 and the closing portion 61 may be separate bodies, and the guide portion 62 may be attached to the closing portion 61.
- the guide member 60 may be formed with a slit SL and/or a through hole H that allows the inside of the wire rod receiving space SP to be visually recognized from the outside of the wire rod receiving space SP.
- the guide member 60 has the slit SL or the through hole H, the operator can easily confirm whether or not the wire W is properly arranged inside the wire receiving space SP.
- the guide member 60 includes a first guide member 60-1 and a second guide member 60-2, and the first guide member 60-1 and the second guide member 60-2. 60-2 and 60-2 may be arranged with a gap G therebetween. In this case, the operator can confirm, through the gap G, whether or not the wire W is properly arranged inside the wire receiving space SP.
- the guide member 60 is configured such that when the guide portion 62 is pressed by the wire rod W, the closing portion 61 moves in a direction away from the wire rod receiving space SP.
- 10 shows a state before the guide portion 62 is pressed by the wire W
- FIG. 11 shows a state in which the guide member 60 is pressed by the wire W.
- the closing portion 61 is in the first position that allows the wire W to be inserted into the wire receiving space SP.
- the width of the opening OP between the inside of the wire rod receiving space SP and the outside of the wire rod receiving space SP (more specifically, the lower end of the closing portion 61 and the second member 12). The minimum distance between) is larger than the diameter of the wire W. Therefore, the wire W can cross the opening OP and enter the wire receiving space SP.
- the closing portion 61 is in the second position that prevents the wire W from coming off the wire receiving space SP.
- the width of the opening OP is smaller than the diameter of the wire W. Therefore, the wire W is prevented from falling across the opening OP from the inside of the wire receiving space SP toward the outside.
- the position of the closing portion 61 is the first position (see FIG. 11) that allows the wire W to be inserted into the wire receiving space SP, and the position where the wire W is receiving the wire W. It is possible to change the position with respect to the second position (see FIG. 12) that prevents the space from being disengaged. Therefore, the work of inserting the wire rod W into the wire rod receiving space SP is easy, and the wire rod W inserted into the wire rod receiving space SP is prevented from coming off the wire rod receiving space SP.
- the closing portion 61 is moved from the first position (see FIG. 11) to the second position (see FIG. 12). ).
- the wire gripper 1B includes the biasing member 68, and the closing portion 61 is moved from the first position (see FIG. 11) to the second position by the biasing member 68. (See FIG. 12). More specifically, one end of the biasing member 68 is supported by the guide member support member 69 attached to the first member 11, and the other end of the biasing member 68 is at the base end of the guide member 60. It is placed in contact. Then, the guide member 60 (more specifically, the base end portion of the guide member 60) arranged between the guide member support member 69 and the first member 11 is pressed by the urging member 68 to close the guide member 60. The portion 61 is biased in the direction from the first position to the second position.
- the guide member 60 has a posture perpendicular to the shaft portion 69 a of the guide member supporting member 69. It is preferable that the posture of the guide member support member 69 can be changed between the posture inclined with respect to the shaft portion 69a (except the vertical posture). Since the posture of the guide member 60 can be changed with respect to the shaft portion 69a, the closing portion 61 can be inclined in a direction away from the wire rod receiving space SP as it goes downward (see FIG. 11). The width of the opening OP is enlarged by the inclination.
- the closing portion 61 can be parallel to the vertical direction (see FIG. 12).
- the width of the opening OP is reduced.
- the inner diameter of the insertion hole 60h (see FIG. 7 and the like) formed in the guide member 60 is set so that the guide member 60 can change its posture with respect to the shaft portion 69a. It is preferably sufficiently larger than the outer diameter of the inserted shaft portion 69a. Further, the base end portion of the guide member 60 is preferably loosely fitted between the head portion 69 b of the guide member support member 69 and the first member 11. Since the distance between the head portion 69b of the guide member support member 69 and the first member 11 is larger than the thickness of the base end portion of the guide member 60, the base end portion of the guide member 60 is positioned relative to the shaft portion 69a. Can be tilted.
- the number of biasing members 68 that bias the closing portion 61 in the direction from the first position to the second position is two, but the number of the biasing members 68 is one. Alternatively, the number may be three or more.
- the guide member 60 and the biasing member 68 that biases the closing portion 61 are separate bodies.
- the guide member 60 itself may bias the closure 61 in a direction from the first position to the second position.
- the guide member 60 is a leaf spring, the guide member 60 itself biases the closing portion 61 in the direction from the first position to the second position.
- a convex portion 610 may be provided on the surface of the closing portion 61 facing the wire rod receiving space SP.
- the wire rod W contacting the convex portion 610 is guided in the direction toward the center of the wire rod receiving space SP.
- the wire W is guided not only by the guide portion 62 but also by the convex portion 610, so that the wire W is easily guided toward the center of the wire receiving space SP.
- the guide portion 62 has a base end portion 62 a that is continuous with the closing portion 61 and a tip end portion 62 b.
- the extending direction of the guide portion 62 in other words, the direction from the base end portion 62a to the tip end portion 62b is the direction away from the wire rod receiving space SP.
- the guide portion 62 includes a guide surface 62s that guides the wire W by contacting the wire W.
- the guide surface 62s is an inclined surface that is inclined with respect to the surface perpendicular to the first axis AX1. More specifically, when the closing portion 61 is in the first position (see FIG. 6), the guide surface 62s is inclined in a direction approaching the wire rod receiving space SP as it goes upward. Therefore, when the wire W contacts the guide surface 62s, the wire W is guided toward the wire receiving space SP.
- the guide surface 62s may be a flat inclined surface or a curved inclined surface.
- the wire gripper 1B includes the guide member 60 and the first engaging portion 30 described in the first embodiment.
- the gripper 1B may not include the first engagement portion 30.
- FIG. 14 is a schematic front view schematically showing the wire rod cutting tool 100 according to the third embodiment.
- FIG. 15 is a schematic side view schematically showing an example of the wire rod support 90.
- the wire rod cutting tool 100 includes a wire gripper 1, a second wire gripper 2, and an expandable/contractible rod member 70.
- the wire gripper 1 of the wire rod cutting tool 100 As the wire gripper 1 of the wire rod cutting tool 100 according to the third embodiment, the wire gripper 1A according to the first embodiment may be adopted or the wire gripper 1B according to the second embodiment may be adopted. Good.
- the gripper 1 is a device for gripping the first portion of the wire W.
- the wire gripper 1 has already been described in the first embodiment or the second embodiment, and thus the repeated description of the wire gripper 1 will be omitted.
- the wire gripper 1A in the first embodiment may be adopted as the second wire gripper 2 of the wire rod cutting tool 100 in the third embodiment, and the wire gripper 1B in the second embodiment is adopted.
- other grippers may be employed.
- the second wire gripper 2 is a device that grips a second portion of the wire W that is different from the first portion.
- the second wire gripper 2 includes a first member 11, a second member 12, a swinging member 20, and a lever member 40.
- the second gripper 2 may include the second engaging portion 80 and/or the guide member 60.
- the second engagement portion 80 is a portion that can be engaged with the tip end portion of the grabber lifting tool (in other words, a remote control tool for lifting the second grabber 2 upward).
- the second engaging portion 80 is the through hole portion 80h.
- the second engaging portion 80 has the same configuration as the first engaging portion 30. Therefore, repeated description of the second engaging portion 80 is omitted.
- the "first engaging member 3", the "first engaging portion 30", the “through hole portion 30h”, and the "second through hole portion 31h”. Are replaced with “second engaging member 8 ”, “second engaging portion 80 ”, “through hole portion 80 h ”, and “second through hole portion 81 h ”, respectively. Will be explained.
- the expandable rod member 70 is connected to the wire gripper 1 (more specifically, the second end 40b of the lever member 40 of the wire gripper 1).
- the expandable rod member 70 is connected to the second gripper 2 (more specifically, the second end 40b of the lever member 40 of the second gripper 2).
- the expandable rod member 70 is a member for changing the distance between the wire gripper 1 and the second wire gripper 2.
- the first end 70 a of the rod member 70 is connected to the wire gripper 1
- the second end 70 b of the rod member 70 is connected to the second wire gripper 2.
- the distance between the gripper 1 and the second gripper 2 is reduced.
- the portion located between the wire gripper 1 and the second wire gripper 2 is relaxed.
- the rod member 70 includes an outer member 71, an inner member 72, and an operation unit 73.
- the operation portion 73 is a portion for operating the relative movement of the inner member 72 with respect to the outer member 71.
- the operation unit 73 is connected to the rod member 70 and is rotatable around the fourth axis AX4.
- the operation portion 73 includes an engagement portion 730 with which the distal end of the remote operation member engages.
- the operation unit 73 is provided with a first bevel gear that rotates around the fourth axis AX4 together with the operation unit, and (B) the outer member 71 is connected to the first bevel gear so that the load can be transmitted. And the second bevel gear is rotated around the longitudinal axis L1 of the rod member 70 together with the screw rod having the outer thread on the outer periphery, and the (D) inner member 72 is provided. However, it is assumed that the screw rod is screwed into the screw rod.
- the first bevel gear rotates about the fourth axis AX4 by the remote operation member
- the second bevel gear rotates about the longitudinal axis L1 of the rod member 70.
- the screw rod rotates about the longitudinal axis L1.
- the threaded rod rotates about the longitudinal axis L1
- the inner member 72 screwed onto the threaded rod moves in the direction retracted by the outer member 71.
- the rod member 70 contracts.
- the mechanism for contracting the rod member 70 is not limited to the above mechanism.
- the wire rod cutting operation and the wire rod distribution are performed. Work is performed. First, the relaxed portion of the wire W is cut by any cutting tool. As a result, the wire material W is formed with the first cut end portion and the second cut end portion. Next, the first cutting end and the second cutting end are sorted (for example, sorted in the vertical direction).
- the above process (more specifically, the process of contracting the rod member 70 in a state in which the gripper 1 grips the first portion of the wire W and the second gripper 2 grips the second portion of the wire W , A step of cutting a relaxed portion of the wire W formed by the contraction of the rod member 70 with a cutting tool, and a step of distributing the first cut end and the second cut end formed by cutting)
- the carving work is completed.
- the wire rod cutting tool 100 may include at least one wire rod support 90 from the viewpoint of efficiently performing the work of distributing the first cutting end portion and the second cutting end portion.
- the wire rod support 90 is a member that supports the wire rod W in a region between the wire gripper 1 and the second wire gripper 2.
- the wire rod cutting tool 100 includes a first wire rod support tool 90a and a second wire rod support tool 90b.
- the first wire rod support 90 a and the second wire rod support 90 b are attached to the rod member 70.
- the first wire rod support 90a has a receiving space CP that receives the wire rod W.
- the number of the receiving spaces CP that the first wire rod support 90a has is two, but the number of the receiving spaces CP that the first wire rod support 90a has is one or three or more.
- the first wire rod support 90a includes a frame member 91 and an opening/closing member 92 that opens and closes an opening of the frame member 91.
- the opening/closing member 92 is connected to the operation unit 93, and by operating the operation unit 93, the opening/closing member 92 can be switched from the closed state to the open state.
- the operator can insert the wire W into the receiving space CP of the first wire support 90a using the remote control tool. Further, when the opening/closing member 92 is in the open state, the operator can take out the wire W from the receiving space CP of the first wire support 90a by using the remote control tool.
- the first wire rod support 90a When allocating the first cut end portion and the second cut end portion of the wire rod, for example, in a state where the wire rod connected to the first cut end portion is arranged in the receiving space CP, the first wire rod support 90a is The rod member 70 may be rotated about the longitudinal axis L1. Alternatively, the sorting operation may be performed by moving the wire rod arranged in the first receiving space CP1 to the second receiving space CP2 using a remote control tool.
- the second wire rod support 90b has a frame member 94 and an opening/closing member 95 that opens and closes the opening of the frame member 94.
- the frame member 94 has the same configuration as the above-described frame member 91, and the opening/closing member 95 has the same configuration as the above-mentioned opening/closing member 92. Therefore, repeated description of the frame member 94 and the opening/closing member 95 will be omitted.
- the first end 70a of the rod member 70 is swingably connected to the lever member 40 of the wire gripper 1, and the second end 70b of the rod member 70 is connected to the second grip line. It is connected to the lever member 40 of the container 2 so as not to swing.
- the wire gripper tool 100 can be lifted using the second gripper lifting tool.
- the first engaging portion 30 is arranged below the first contact surface 11a and the second contact surface 12a of the wire gripper 1
- the second engaging portion 80 is It is arranged below the first contact surface 11 a and the second contact surface 12 a of the double gripper 2. Therefore, the wire gripper lifting tool and the second wire gripper lifting tool do not interfere with the wire W, and the wire gripper 1 and the second wire gripper 2 can be easily attached to the wire W.
- the guide member 60 may be attached to the wire gripper 1 of the wire rod cutting tool 100 according to the third embodiment.
- the wire rod W that is in contact with the guide portion 62 of the guide member 60 is guided by the guide portion 62 into the wire rod receiving space SP.
- the work of inserting the wire W into the wire receiving space SP is easy.
- the closing portion 61 of the guide member 60 prevents the wire rod W inserted in the wire rod receiving space SP from coming off from the wire rod receiving space SP. Therefore, the work of attaching the wire gripper 1 to the wire W can be performed more reliably.
- the guide member 60 may be attached to the second wire gripper 2 of the wire rod cutting tool 100 according to the third embodiment.
- one of the gripper 1 and the second gripper 2 may be connected to the rod member 70 so as to be swingable around a swing axis.
- the lever member 40 of the wire gripper 1 is swingably connected to the first end 70a of the rod member 70.
- the wire rod cutting tool 100 can be lifted by using the gripping tool lifting tool while the first engaging portion 30 is engaged with the gripping tool lifting tool.
- the first engagement portion 30 is arranged below the first contact surface 11 a and the second contact surface 12 a of the wire gripper 1. Therefore, the wire gripper lifting tool does not interfere with the wire W, and the wire gripper 1 can be easily attached to the wire W.
- the second wire gripper 2 is lifted using a remote control tool. By the lifting operation, the rod member 70 is lifted upward while rotating around the swing axis with respect to the wire gripper 1. After that, the second gripper 2 is attached to the wire W.
- the gripper By using the gripper or the wire rod cutting tool of the present invention, the gripper can be easily attached to the wire. Therefore, it is useful for a trader who attaches a wire gripper or a wire cutting tool to a wire, and a manufacturer who manufactures a wire gripper or a wire cutting tool.
- operation part, 94 frame member, 95 ... Opening/closing member, 100... Wire cutting tool, 111... Upper part, 112... Lower part, 112b... Lower end part, 113... Intermediate part, 610... Convex part, 730... Engaging part, AX1... First axis, AX2 ... 2nd axis, AX3... 3rd axis, AX4... 4th axis, BN... bent part, CP, CP1, CP2... receiving space, G... gap, GA... guide part, Gh... through hole, Gw... guide wall, H... through hole, L1... longitudinal axis, OP... opening, P1... first pin member, P2... second pin member, P3... third pin member, PL1... first plate part, PL2... second plate part, SL... slit, SP... wire rod receiving space, W... wire rod
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Abstract
Description
前記線材に接触する第2接触面を有する第2部材と、
前記第1部材に対して、第1軸まわりに回動可能に連結され、かつ、前記第2部材に対して、第2軸まわりに回動可能に連結される揺動部材と、
前記第1接触面と前記第2接触面との間の線材受容空間に前記線材を案内するガイド部材と
を具備し、
前記ガイド部材は、
前記線材受容空間の側部の少なくとも一部を閉鎖する閉鎖部と、
前記線材を前記線材受容空間に向けて案内するガイド部と
を有する
掴線器。
(2)前記ガイド部材は、
前記閉鎖部を有する第1板部と、
前記ガイド部を有する第2板部と
を有し、
前記第1板部と前記第2板部とは、屈曲部を介して連結されている
上記(1)に記載の掴線器。
(3)前記ガイド部が前記線材によって押圧されると、前記閉鎖部は、前記線材受容空間から離れる方向に移動する
上記(1)または(2)に記載の掴線器。
(4)前記閉鎖部の位置は、前記線材が前記線材受容空間に挿入されることを許容する第1位置と、前記線材が前記線材受容空間から外れるのを防止する第2位置との間で位置変更可能であり、
前記閉鎖部は、前記第1位置から前記第2位置に向かう方向に付勢されている
上記(1)乃至(3)のいずれか一つに記載の掴線器。
(5)前記閉鎖部のうち前記線材受容空間に面する面には、凸部が設けられている
上記(1)乃至(4)のいずれか一つに記載の掴線器。
(6)前記ガイド部は、前記線材に接触することにより前記線材を案内するガイド面を備え、
前記ガイド面は、前記第1軸に垂直な面に対して傾斜した傾斜面である
上記(1)乃至(5)のいずれか一つに記載の掴線器。
(7)前記ガイド部材には、前記線材受容空間の外部から前記線材受容空間の内部を視認可能にするスリットまたは貫通孔が形成されているか、あるいは、
前記ガイド部材は、第1ガイド部材と、前記第1ガイド部材に対して隙間を開けて配置された第2ガイド部材を有する
上記(1)乃至(6)のいずれか一つに記載の掴線器。
(8)上記(1)乃至(7)のいずれか一つに記載の掴線器と、
前記掴線器に連結された伸縮可能な棒部材と、
前記棒部材に連結された第2掴線器と
を具備する
線材切分工具。
本明細書において、掴線器によって把持される線材の延在方向、換言すれば、掴線器の線材受容空間の延在方向を、「第1方向」と定義する。なお、掴線器がレバー部材(レバー部材40)を備える場合には、掴線器によって把持される線材の延在方向であって、レバー部材が牽引される方向を「第1方向」と定義し、第1方向とは反対の方向を第2方向と定義する。また、本明細書において、掴線器の第1方向側が、「後方」と呼ばれ、掴線器の第2方向側が、「前方」と呼ばれる場合がある。
図1乃至図4を参照して、第1の実施形態における掴線器1Aについて説明する。図1は、第1の実施形態における掴線器1Aを模式的に示す概略2面図である。図1の右側には、概略正面図が記載され、図1の左側には、概略側面図が記載されている。なお、図1の左側の図(概略側面図)において、図面の複雑化を避けるため、ロック部材50等の記載が省略されている。図2は、ガイド部GAの一例を模式的に示す概略斜視図である。図3は、レバー部材40の一例を模式的に示す概略正面図である。図4は、第1の実施形態の変形例における掴線器1Aを模式的に示す概略正面図である。
第1部材11は、第1接触面11aおよび第2接触面12aよりも上方に位置する上側部分111と、第1接触面11aおよび第2接触面12aよりも下方に位置する下側部分112と、第1接触面11aの高さと第2接触面12aの高さとの間の高さに位置する中間部分113とを有していてもよい。
第1の実施形態における掴線器1Aは、揺動部材20に対して、第3軸AX3まわりに回動可能に連結されるレバー部材40を備えていてもよい。また、掴線器1Aは、揺動部材20とレバー部材40とを回動可能に連結する第3ピン部材P3を備えていてもよい。当該第3ピン部材P3は、第3軸AX3に沿って配置される。
掴線器1A(より具体的には、第1部材11)は、レバー部材40の移動をガイドするガイド部GAを有していてもよい。
レバー部材40は、ガイド部GA(より具体的には、下端部112b)に係合可能な係合部42を有していてもよい。図3に記載の例では、係合部42は、レバー部材40の下面40sに設けられている。また、図3に記載の例では、係合部42は、レバー部材40の下面40sに設けられた凹部40dである。
図1に記載の例では、第1係合部30が、第1部材11の後方側部分(より具体的には、レバー部材40の移動をガイドするガイド部GA)に配置されている。代替的に、図4に示されるように、第1係合部30が、第1部材11の前方側部分11f(より具体的には、第2方向DR2側の端部)に配置されていてもよい。なお、第1係合部30が、第1接触面11aの前端(または第2接触面12aの前端)よりも下方かつ前方に突出するように配置されている場合には、掴線器1Aを線材Wに取り付ける作業を行う作業者の視界が、第1係合部30に係合した掴線器持ち上げ工具によって妨げられることが抑制される。
図1または図4に記載の例では、第1係合部30は、貫通孔部30hである。また、貫通孔部30hの中心軸AXは、第1軸AX1と平行である。代替的に、貫通孔部30hの中心軸AXは、第1方向DR1と平行であってもよい。なお、第1係合部30が貫通孔部30hである場合、当該孔部の内径は、例えば、13mm以上45mm以下である。
掴線器1Aは、ロック部材50を備えていてもよい。ロック部材50は、第1接触面11aと第2接触面12aとの間で線材Wが把持された状態を維持するための部材、換言すれば、第1接触面11aと第2接触面12aとの間の距離を規定する部材である。
図5乃至図13を参照して、第2の実施形態における掴線器1Bについて説明する。図5は、第2の実施形態における掴線器1Bを模式的に示す概略2面図である。図5の右側には、概略正面図が記載され、図5の左側には、概略側面図が記載されている。なお、図5の左側の図(概略側面図)において、図面の複雑化を避けるため、ロック部材50等の記載が省略されている。図6は、第2の実施形態における掴線器1Bを模式的に示す概略側面図である。図7は、ガイド部材60の一例を模式的に示す概略正面図である。図8は、ガイド部材60の他の一例を模式的に示す概略正面図である。図9は、ガイド部材60の更に他の一例を模式的に示す概略正面図である。図10乃至図12は、第2の実施形態における掴線器1Bを模式的に示す概略2面図である。図10乃至図12の上側には概略平面図が記載され、図10乃至図12の下側には概略側面図が記載されている。図13は、第2の実施形態における掴線器1Bを模式的に示す概略側面図である。
図6、図7に記載の例では、ガイド部材60は、閉鎖部61を有する第1板部PL1と、ガイド部62を有する第2板部PL2とを有する。また、第1板部PL1と第2板部PL2とは、屈曲部BNを介して連結されている。第1板部PL1と第2板部PL2と屈曲部BNとは、1つの板材を曲げ加工することに形成されてもよい。
図10および図11に記載の例では、ガイド部材60は、ガイド部62が線材Wによって押圧されると、閉鎖部61が、線材受容空間SPから離れる方向に移動するように構成されている。なお、図10は、ガイド部62が線材Wによって押圧される前の状態を示し、図11は、ガイド部材60が線材Wによって押圧されている状態を示す。
図6に記載の例では、ガイド部62は、閉鎖部61に連なる基端部62aと、先端部62bとを有する。ガイド部62の延在方向、換言すれば、基端部62aから先端部62bに向かう方向は、線材受容空間SPから離れる方向である。
図14および図15を参照して、第3の実施形態における線材切分工具100について説明する。図14は、第3の実施形態における線材切分工具100を模式的に示す概略正面図である。図15は、線材支持具90の一例を模式的に示す概略側面図である。
Claims (15)
- 線材に接触する第1接触面を有する第1部材と、
前記線材に接触する第2接触面を有する第2部材と、
前記第1部材に対して、第1軸まわりに回動可能に連結され、かつ、前記第2部材に対して、第2軸まわりに回動可能に連結される揺動部材と、
前記第1接触面と前記第2接触面との間の線材受容空間に前記線材を案内するガイド部材と
を具備し、
前記ガイド部材は、
前記線材受容空間の側部の少なくとも一部を閉鎖する閉鎖部と、
前記線材を前記線材受容空間に向けて案内するガイド部と
を有する
掴線器。 - 前記ガイド部材は、
前記閉鎖部を有する第1板部と、
前記ガイド部を有する第2板部と
を有し、
前記第1板部と前記第2板部とは、屈曲部を介して連結されている
請求項1に記載の掴線器。 - 前記ガイド部が前記線材によって押圧されると、前記閉鎖部は、前記線材受容空間から離れる方向に移動する
請求項1に記載の掴線器。 - 前記ガイド部が前記線材によって押圧されると、前記閉鎖部は、前記線材受容空間から離れる方向に移動する
請求項2に記載の掴線器。 - 前記閉鎖部の位置は、前記線材が前記線材受容空間に挿入されることを許容する第1位置と、前記線材が前記線材受容空間から外れるのを防止する第2位置との間で位置変更可能であり、
前記閉鎖部は、前記第1位置から前記第2位置に向かう方向に付勢されている
請求項1に記載の掴線器。 - 前記閉鎖部の位置は、前記線材が前記線材受容空間に挿入されることを許容する第1位置と、前記線材が前記線材受容空間から外れるのを防止する第2位置との間で位置変更可能であり、
前記閉鎖部は、前記第1位置から前記第2位置に向かう方向に付勢されている
請求項2に記載の掴線器。 - 前記閉鎖部の位置は、前記線材が前記線材受容空間に挿入されることを許容する第1位置と、前記線材が前記線材受容空間から外れるのを防止する第2位置との間で位置変更可能であり、
前記閉鎖部は、前記第1位置から前記第2位置に向かう方向に付勢されている
請求項3に記載の掴線器。 - 前記閉鎖部の位置は、前記線材が前記線材受容空間に挿入されることを許容する第1位置と、前記線材が前記線材受容空間から外れるのを防止する第2位置との間で位置変更可能であり、
前記閉鎖部は、前記第1位置から前記第2位置に向かう方向に付勢されている
請求項4に記載の掴線器。 - 前記閉鎖部のうち前記線材受容空間に面する面には、凸部が設けられている
請求項1乃至8のいずれか一項に記載の掴線器。 - 前記ガイド部は、前記線材に接触することにより前記線材を案内するガイド面を備え、
前記ガイド面は、前記第1軸に垂直な面に対して傾斜した傾斜面である
請求項1乃至8のいずれか一項に記載の掴線器。 - 前記ガイド部は、前記線材に接触することにより前記線材を案内するガイド面を備え、
前記ガイド面は、前記第1軸に垂直な面に対して傾斜した傾斜面である
請求項9に記載の掴線器。 - 前記ガイド部材には、前記線材受容空間の外部から前記線材受容空間の内部を視認可能にするスリットまたは貫通孔が形成されているか、あるいは、
前記ガイド部材は、第1ガイド部材と、前記第1ガイド部材に対して隙間を開けて配置された第2ガイド部材を有する
請求項1乃至8のいずれか一項に記載の掴線器。 - 前記ガイド部材には、前記線材受容空間の外部から前記線材受容空間の内部を視認可能にするスリットまたは貫通孔が形成されているか、あるいは、
前記ガイド部材は、第1ガイド部材と、前記第1ガイド部材に対して隙間を開けて配置された第2ガイド部材を有する
請求項9に記載の掴線器。 - 前記ガイド部材には、前記線材受容空間の外部から前記線材受容空間の内部を視認可能にするスリットまたは貫通孔が形成されているか、あるいは、
前記ガイド部材は、第1ガイド部材と、前記第1ガイド部材に対して隙間を開けて配置された第2ガイド部材を有する
請求項10に記載の掴線器。 - 請求項1乃至8のいずれか一項に記載の掴線器と、
前記掴線器に連結された伸縮可能な棒部材と、
前記棒部材に連結された第2掴線器と
を具備する
線材切分工具。
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KR1020217024185A KR102657003B1 (ko) | 2019-01-12 | 2019-12-03 | 와이어 그리퍼, 및, 선재 절분 공구 |
JP2020565621A JP7100394B2 (ja) | 2019-01-12 | 2019-12-03 | 掴線器、および、線材切分工具 |
CN201990001291.2U CN216016273U (zh) | 2019-01-12 | 2019-12-03 | 紧线器及线材切割工具 |
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JP (1) | JP7100394B2 (ja) |
KR (1) | KR102657003B1 (ja) |
CN (1) | CN216016273U (ja) |
WO (1) | WO2020144976A1 (ja) |
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WO2024019073A1 (ja) * | 2022-07-20 | 2024-01-25 | 株式会社永木精機 | 掴線器 |
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KR200459458Y1 (ko) | 2009-06-30 | 2012-03-27 | 한국전력공사 | 클램프부착 점퍼케이블 |
JP2011067007A (ja) | 2009-09-17 | 2011-03-31 | Hokkai Denki Koji Kk | 架線切分け工具及びその取付方法 |
US8984722B2 (en) * | 2011-02-23 | 2015-03-24 | Hubbell Incorporated | Wedge dead end clamp assembly |
JP5953227B2 (ja) * | 2012-12-27 | 2016-07-20 | 株式会社永木精機 | 掴線器 |
AU2016277722B2 (en) * | 2016-01-06 | 2021-01-14 | Nagaki Seiki Co., Ltd. | Wire gripper |
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- 2019-12-03 JP JP2020565621A patent/JP7100394B2/ja active Active
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JPS58176516U (ja) * | 1982-05-20 | 1983-11-25 | 昭和電線電纜株式会社 | 架空送電線用接地ロ−ラ |
JP2002262421A (ja) * | 2001-03-05 | 2002-09-13 | East Japan Railway Co | 電線接地用フック金具 |
JP2010088256A (ja) * | 2008-10-02 | 2010-04-15 | Chugoku Electric Power Co Inc:The | 活線切分工具 |
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WO2024019073A1 (ja) * | 2022-07-20 | 2024-01-25 | 株式会社永木精機 | 掴線器 |
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CN216016273U (zh) | 2022-03-11 |
KR20210113258A (ko) | 2021-09-15 |
JPWO2020144976A1 (ja) | 2021-11-18 |
KR102657003B1 (ko) | 2024-04-15 |
JP7100394B2 (ja) | 2022-07-13 |
TW202040899A (zh) | 2020-11-01 |
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