JP5569937B2 - Loose wire gripping part - Google Patents

Description

  The present invention relates to an electric wire gripping part used for a spacer that holds a plurality of overhead power transmission lines at regular intervals, and more particularly to a loose electric wire gripping part in which a loose clamp body does not separate and fall off during mounting.

  FIG. 5 is a configuration diagram showing the configuration of the spacer of Patent Document 1. As shown in FIG. In FIG. 5, the conductor grips 14, 14 provided on one side of the symmetry axis are fixedly gripped on the element conductors 16, 16 at the even number of positions symmetrical with respect to the frames 12, 12. The provided loose conductor gripping portions 20 and 20 grip the element conductors 16 and 16 so as to be swingable within a predetermined angle range.

  The loose conductor gripping portion 20 includes an inner tube member 26 that grips the element conductor 16 and an outer tube member 30 that can be opened and closed by a swing shaft 28 parallel to the element conductor 16 and to which the inner tube member 26 is fixed. The loose-clamp main body 22 having a heavy tube structure is provided with a gap portion 32 and a slit 30 f around the axis reaching the gap portion 32. The connecting member 24 is provided with a T-shaped protrusion 24a having a neck passing through a slit 30f in which the head is inserted into the gap portion 32 so as to be swingable about the axis, and the loose clamp main body 22 is swingable about the axis. The connecting member 24 is arranged.

  FIG. 6 is an element conductor grasping diagram showing attachment of the loose conductor grasping portion of FIG. FIG. 6 a shows a front view when the loose conductor gripping portion 20 is attached to the element conductor 16, and FIG. 6 b shows a rear view when the loose conductor gripping portion 20 is attached to the element conductor 16. In this way, the loose conductor gripping portion 20 is bilaterally symmetric and is attached by two fastening bolts 36 and a spring lock nut 38, respectively.

  By the way, in FIG. 5 again, when the spacer 10 is attached to the element conductor 16, the loose clamp main body 22 is attached to the element conductor 16 in a state where the connecting member 24 of the loose conductor holding portion 20 is installed on the frame body 12. At this time, in order to attach the loose conductor gripping portion 20 to the element conductor 16, when the two tightening bolts 36 and the spring lock nut 38 are removed, the loose clamp body 22 can be freely opened and closed by the swing shaft 28. There is a case where it is separated from the connecting member 24, and an accident of dropping off to the ground occurs.

JP-A-8-009544

  The present invention has been made to solve such a problem, and an object of the present invention is to provide a loose wire gripping portion in which a loose clamp body does not separate and fall off when a spacer is attached to an overhead power transmission line. .

  The loose electric wire gripping portion of the present invention is a loose electric wire gripping portion used for a spacer for holding a plurality of overhead power transmission lines at a fixed interval. A fastening body composed of an eyebolt shaft rotatably attached to the end of the eye bolt and an SP lock nut attached to an eyebolt shaft penetrating through a through-hole provided in the end of the other two-sided loose clamp body; A stopper that is attached to the end of one of the two loose-clamp bodies and that limits the rotation angle of the eyebolt shaft, and that one of the two-piece loose-clamp body can be rotated up and down at the opposite end of the stopper. A hanging bracket fixed by a retaining groove provided at the opposite end of the through-hole of the other two-clamped loose clamp body, and the other two-clamped lug clamp A projection that is provided on the through-hole side of the loose clamp body and moves in the groove of one of the two loose clamp main bodies and restricts rotation in the left-right direction of the other two loose loose clamp main bodies; A loose clamp main body having one of the two split cracks, which has a connection body that connects the spacer with the loose clamp main body that is split into two through the connecting body installation hole in the center of the crack loose clamp main body; The overhead power transmission line is held by the other two loose clamp main bodies.

The loose wire gripping portion of the present invention is a loose wire gripping portion used for a spacer that holds a plurality of overhead power transmission lines at regular intervals, and opens and closes a two-fold loose clamp body and a two-fold loose clamp body. Two swinging shafts that are freely coupled, an eyebolt shaft that is mounted on the opposite side to the swinging shaft of one of the two loose-clamped loose clamp bodies, and the other two-folded loose clamp main body. A loose body clamp that consists of a fastening body consisting of an SP lock nut attached to an eyebolt shaft that penetrates a guide groove that is open on one side, and a coupling body installation hole in the center of a double crack loose clamp body. The main body and the connecting body for connecting the spacer, and the two-piece loose clamp main body each have a rotation stopper for limiting the rotation angle of the connecting body, Characterized by gripping the overhead line by a loose clamp body two cracking of the clamp body and the other.

  ADVANTAGE OF THE INVENTION According to this invention, the loose electric wire holding | grip part which a loose clamp main body does not separate and drop | omit at the time of attachment of the spacer to an overhead power transmission line can be provided.

The block diagram which shows the structure of the loose electric wire holding part by 1st Example of this invention. The electric wire holding | grip figure which shows attachment of the loose electric wire holding | grip part by 1st Example of this invention. The block diagram which shows the structure of the loose electric wire holding part by the 2nd Example of this invention. The electric wire holding | grip figure which shows attachment of the loose electric wire holding part by the 2nd Example of this invention. The block diagram which shows the structure of the conventional spacer. Element conductor gripping diagram showing installation of conventional loose conductor gripping part

  Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a configuration diagram showing the configuration of the loose wire gripping portion of the first embodiment according to the present invention. In FIG. 1, the loose electric wire gripping portion 100 is attached to the ends of the two-piece loose clamp main bodies 50-1 and 50-2 and the other two-piece loose clamp main body 50-1 so as to be rotatable in the vertical direction. It has a fastening body 70 composed of an eyebolt shaft 71 and an SP lock nut 72 attached to the eyebolt shaft 71 penetrating through a through hole 62 provided at the end of the other two-piece loose clamp body 50-2. .

  Further, a stopper 51 which is attached to the end of one of the two loose-clamp main bodies 50-1 and restricts the rotation angle of the eyebolt shaft 71 is opposite to the stopper 51 of one of the two-loose loose-clamp main bodies 50-1. A hanging bracket 52 that is rotatably attached to the end portion on the side and fixed by a retaining groove 61 provided at the end portion on the opposite side of the through hole 62 of the other half-clamped loose clamp body 50-2. And have.

  Further, it is provided on the side of the through hole 62 of the other two-loose loose clamp body 50-2, moves in the groove 53 of the one two-loose loose clamp body 50-1, and Loose clamp with two splits that penetrates the projection 60 that restricts the rotation of the loose clamp main body 50-2 in the left-right direction and the connecting body installation hole 54 at the center of one of the two split loose clamp main bodies 50-1. It has the connection body 80 which connects main body 50-1,2 and the spacer 10 of FIG. With this configuration, the loose wire gripping portion 100 includes the one split crack clamp main body 50-1 including the connecting body 80 and the other two split loose clamp main body 50-2. The overhead power transmission line 90 is held as described in FIG.

  FIG. 2 is a wire gripping diagram showing attachment of the loose wire gripping portion according to the first embodiment of the present invention. The loose wire gripping portion 100 is opened at an angle set by the stopper 51 in FIG. 1 and sandwiches the overhead power transmission line 90. Subsequently, in FIG. 2, the hook 52 of one of the two split loose clamp main bodies 50-1 enters the retaining groove 61 of the other two split loose clamp main body 50-2 and is locked to each other. Further, the SP lock nut 72 on the other two-sided loose clamp body 50-2 side is screwed into the eyebolt shaft 71 of the one-sided two-way loose clamp body 50-1, so that the overhead power transmission line 90 is securely connected. Hold it.

  Thus, in the process of gripping the overhead power transmission line 90, when the loose wire gripping portion 100 is opened, the connecting body 80 connected to the spacer 10 is in the center of one of the two broken crack clamp bodies 50-1. Therefore, the loose wire gripping portion 100 is not detached from the connecting body 80 and can be safely attached. In addition, the loose wire gripper 100 in FIG. 2 that has been installed has an asymmetric shape unlike that in FIG. 6, but because it has only one fastening body 70, it is lightweight and the number of operations is reduced. Further, since the fastening body 70 is on the connection body 80 side, the same ease of work as in the conventional case can be maintained.

  FIG. 3 is a configuration diagram showing the configuration of the loose wire gripping portion according to the second embodiment of the present invention. In FIG. 3, the loose wire gripping portion 200 includes two swinging shafts 65 shown in FIG. 4, which are connected to the two-piece loose clamp main bodies 50-3 and 4 and the two-piece loose clamp main body so as to be freely opened and closed. And an eyebolt shaft 71 rotatably attached to the opposite side of the swing shaft 65 of the one half-slack loose clamp body 50-3 and the other two-slack loose clamp body 50-4. 4 has a fastening body 70 including an SP lock nut 72 attached to an eyebolt shaft 71 penetrating through a guide groove 66 having one side opened as shown in FIG.

  Moreover, it has the connection body 80 which connects the two-lose loose clamp main body 50-3, 4 and the spacer which penetrated one half-lose loose clamp main body 50-3, and the two-lose loose clamp main body 50-3 and 4 have rotation stoppers 67 that limit the rotation angle of the connecting body 80, respectively. And by this structure, the loose electric wire holding | gripping part 200 is an overhead power transmission line so that it may explain in FIG. 4 with one loose crack main body 50-3 and the other two loose clamp main body 50-4. Hold 90.

  FIG. 4 is a wire gripping diagram showing attachment of a loose wire gripping portion according to the second embodiment of the present invention. First, in FIG. 3, the connecting body 80 is rotated to the position of the anti-rotation 67 of the two-piece loose clamp body 50-4, the SP lock nut 72 is loosened, and the eyebolt shaft of the two-piece loose clamp body 50-3. 71 is rotated upward from the guide groove 66 and released, and the two-piece loose clamp body 50-3 is rotated downward about the swing shaft 65 as a fulcrum, and the two-piece loose clamp body 50-3, 4 Are open to each other and sandwich the overhead power transmission line 90. Subsequently, the eyebolt shaft 71 is returned to the position of the guide groove 66, and the SP lock nut 72 is screwed to securely hold the overhead power transmission line 90 as shown in FIG.

  As described above, when the loose wire gripping portion 100 is opened in the step of gripping the overhead power transmission line 90, the connecting body 80 connected to the spacer 10 is connected to one of the two split loose clamp main bodies 50-3 and 4. Since the central connecting body installation hole 67 is penetrated, the loose wire gripping portion 200 is not detached from the connecting body 80 and can be safely attached. 4 has a symmetrical shape as in FIG. 6. However, since the fastening body 70 is not on the connecting body 80 side, the ease of work as in the conventional case is maintained. I can't do it. However, since the number of the fastening body 70 is one, the weight is reduced, and the stopper 51, the hook 52, and the protrusion 60 are not included, so that the cost can be reduced.

  As described above, according to the present invention, it is possible to provide a loose wire gripping portion in which a two-fold loose clamp body does not separate and fall off when a spacer is attached to an overhead power transmission line.

50-1-4 Loose clamp body split into two 51 Stopper 52 Hanger 53 Groove 54 Connecting body installation hole 60 Protrusion 61 Stop groove 62 Through hole 65 Oscillating shaft 67 Anti-rotation 70 Fastening body 71 Eye bolt shaft 72 SP lock nut 80 Linkage 100 Loose wire gripping portion according to the first embodiment of the present invention 200 Loose wire gripping portion according to the second embodiment of the present invention

Claims (2)

A loose wire gripping part used for a spacer that holds a plurality of overhead power transmission lines at regular intervals,
A loose clamp body having two splits, an eyebolt shaft rotatably attached to the end of one of the two loose clamp main bodies, and an end of the other two loose clamp main body. A fastening body comprising an SP lock nut attached to an eyebolt shaft penetrating through a through hole, a stopper attached to the end portion of the one half-slack loose clamp body and restricting the rotation angle of the eyebolt shaft; One of the two split loose clamp bodies is rotatably attached to the end opposite to the stopper, and is provided at the other end of the other two loose clamp body opposite to the through hole. A hanging bracket fixed by a retaining groove, and the other two-way loose clamp provided on the through-hole side of the other two-way loose clamp body. A protrusion that is movable in the groove of the main body and restricts the rotation of the other two-sided loose clamp body in the left-right direction, and a connecting body installation hole at the center of the one-sided two-way loose clamp body. A coupling body that penetrates and splits the two-piece loose clamp body and the spacer;
A loose electric wire gripping portion, wherein the overhead power transmission line is gripped by one of the two split loose clamp main bodies and the other half split loose clamp main body provided with the connecting body. A loose wire gripping part used for a spacer that holds a plurality of overhead power transmission lines at regular intervals,
A two-fold loose clamp body, two swing shafts that openably and closably connect the two-fold loose clamp body, and one of the two crack loose clamp bodies opposite to the swing shaft. A fastening body comprising an eyebolt shaft rotatably attached in the vertical direction and an SP lock nut attached to the eyebolt shaft penetrating through a guide groove opened on one side of the other two-piece loose clamp body; and a connecting member for connecting the front Symbol two crack the two cracking loose clamp body of penetrating the connecting body installation hole in the central portion of the loose clamp body of said spacer,
Each of the two-piece loose clamp body has a rotation stopper for limiting a rotation angle of the coupling body,
A loose electric wire gripping portion for gripping the overhead power transmission line by the one of the two split loose clamp main bodies and the other of the two split loose clamp main bodies.

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