Elastic cross arm structure for assisting cable in resisting crosswind

Abstract

The utility model discloses an elastic cross arm structure for assisting a cable in resisting crosswind, and belongs to the technical field of cross arms. An elastic cross arm structure for assisting a cable in resisting crosswind comprises a metal cross arm, an elastic clamp is arranged on one side of the metal cross arm, the elastic clamp is connected with the metal cross arm through a bolt, and a triangular hanging frame is arranged at the bottom of the metal cross arm. In order to solve the problems that a high-altitude cable swings when encountering crosswind weather, the connecting positions of the two ends of the cable and a cross arm are affected at the moment, and a connecting structure is abraded and loosened due to long-time swinging, when the cable swings when encountering crosswind weather, force can be transmitted to a support, and the cable is damaged. Under the impact of the support structure, the rubber patches in the corresponding direction can contract inwards so as to eliminate inertia force generated by swinging, the rubber patches can fix the support in time after recovery, and the connection stability between the support and the rubber patches cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of cross arms, in particular to an elastic cross arm structure for auxiliary cables to resist cross winds. Background Art

[0002] The role of the cross arm is to install insulators and hardware to support the conductors and lightning conductors, and to keep them at a certain safety distance as required.

[0003] A Chinese patent with publication number CN213573303U discloses a cross arm structure for a transmission tower. The cross arm structure is formed by fixedly connecting an upper cover plate, a side plate, a first bottom plate, a second bottom plate and a third bottom plate, and is fixedly connected to the transmission tower through a lining plate and a bottom plate mounting hole, so that the cross arm is fixedly connected to the transmission tower body, thereby improving the stability of the cross arm. The maintenance personnel can exert their strength through an inspection ring and a footrest, and the safety belt is buckled on the inspection ring to provide safety guarantee for the maintenance personnel, thereby improving the maintenance safety of the cross arm.

[0004] In the above patent, the high-altitude cable will sway when encountering crosswind weather, and the connection between the two ends of the cable and the crossarm will be affected. Long-term swaying will cause wear and loosening of the connection structure. Utility Model Content

[0005] The purpose of the utility model is to provide an elastic cross-arm structure for assisting cables in resisting crosswinds. When the cable shakes in crosswind weather, the force will be transmitted to the bracket. Under the impact of the bracket structure, the rubber patch in the corresponding direction will shrink inward to eliminate the inertial force generated by the swing. After recovery, the rubber patch can fix the bracket in time without affecting the connection stability between the two, thereby solving the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elastic crossarm structure for auxiliary cables to resist crosswind, comprising a metal crossarm, an elastic clamp is provided on one side of the metal crossarm, the elastic clamp is connected to the metal crossarm by bolts, a triangular hanger is provided at the bottom of the metal crossarm, the triangular hanger is connected to the metal crossarm by bolts, a transfer truss is provided on one side of the bottom of the triangular hanger, the transfer truss is connected to the triangular hanger by bolts, and a plurality of insulating wire sleeves are provided inside the metal crossarm.

[0007] Preferably, the surfaces on both sides of the metal cross arm are provided with wiring through holes, and the insulating wire sleeve is connected to the metal cross arm through the wiring through holes.

[0008] Preferably, a central axis positioning hole is provided between the wiring through holes, and the central axis positioning hole is located directly above the tripod bracket.

[0009] Preferably, an outer side of the elastic clamp is provided with an integrally formed arc-shaped spring piece, an inner side of the arc-shaped spring piece is provided with an inner pressure groove, and one side of the transfer truss is provided with an integrally formed adjustment hole plate.

[0010] Preferably, both ends of the insulating wire sleeve are provided with limiting gaskets, the limiting gaskets are connected to the metal crossarms through slots, a buffer tube slot is provided inside the insulating wire sleeve, and three rubber patches are provided inside the buffer tube slot.

[0011] Preferably, a patch shaft block is provided on the inner side of the rubber patch, the patch shaft block is connected to the rubber patch via an adhesive, and the patch shaft block is telescopically connected to the buffer tube groove via a spring shaft groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, when the cable shakes in crosswind weather, the force will be transmitted to the bracket. Under the impact of the bracket structure, the rubber patch in the corresponding direction will shrink inward to eliminate the inertial force generated by the swing. After recovery, the rubber patch can fix the bracket in time without affecting the connection stability between the two.

[0014] 2. In the utility model, when the cable shakes in crosswind weather, the force will be transmitted to the bracket. Under the impact of the bracket structure, the rubber patch in the corresponding direction will shrink inward to eliminate the inertial force generated by the swing. After recovery, the rubber patch can fix the bracket in time without affecting the connection stability between the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall front view of the utility model;

[0016] Figure 2 It is an overall side view of the utility model;

[0017] Figure 3 This is a schematic diagram of the insulating wire sleeve structure of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of the insulating wire sleeve.

[0019] In the figure: 1. Metal cross arm; 2. Insulating wire sleeve; 3. Elastic clamp; 4. Triangle bracket; 5. Transfer truss; 101. Center axis positioning hole; 102. Wiring through hole; 201. Limiting gasket; 202. Buffer tube groove; 203. Rubber patch; 2021. Spring shaft groove; 2031. Patch shaft block; 301. Arc spring piece; 302. Internal pressure groove; 501. Adjustment orifice plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to solve the problem that the high-altitude cables will sway when encountering crosswind weather, the connection between the two ends of the cable and the crossarm will be affected. Long-term swaying will cause wear and loosening of the connection structure; please refer to Figure 1-4 , the utility model provides the following solutions:

[0022] An elastic cross arm structure for auxiliary cables to resist crosswinds, comprising a metal cross arm 1, an elastic clamp 3 is arranged on one side of the metal cross arm 1, the elastic clamp 3 is connected to the metal cross arm 1 by bolts, a triangular hanger 4 is arranged at the bottom of the metal cross arm 1, the triangular hanger 4 is connected to the metal cross arm 1 by bolts, a transfer truss 5 is arranged on one side of the bottom of the triangular hanger 4, the transfer truss 5 is used for the convenience of connection and expansion, so that the cross arm can adapt to different installation methods, the transfer truss 5 is connected to the triangular hanger 4 by bolts, the inside of the metal cross arm 1 A plurality of insulating wire sleeves 2 are provided, and both ends of the insulating wire sleeves 2 are provided with limit spacers 201, and the limit spacers 201 are connected to the metal cross arm 1 through a slot, and a buffer tube slot 202 is provided inside the insulating wire sleeve 2, and three rubber patches 203 are provided inside the buffer tube slot 202, and a patch shaft block 2031 is provided on the inner side of the rubber patch 203, and the patch shaft block 2031 is connected to the rubber patch 203 through an adhesive, and the patch shaft block 2031 and the buffer tube slot 202 are telescopically connected through a spring shaft slot 2021;

[0023] In this embodiment, the bracket used by the cable is inserted into the buffer tube groove 202, and the bracket structure and the internal rubber patch 203 are mutually attached. The rubber patch 203 clamps the bracket structure under the cooperation of the spring shaft groove 2021 and the patch shaft block 2031. When the cable shakes in crosswind weather, the force will be transmitted to the bracket. Under the impact of the bracket structure, the rubber patch 203 in the corresponding direction will shrink inward to eliminate the inertial force generated by the swing. After recovery, the rubber patch 203 can fix the bracket in time without affecting the connection stability between the two.

[0024] The surfaces of both sides of the metal crossarm 1 are provided with wiring through-holes 102, and the insulating wire sleeve 2 is connected to the metal crossarm 1 through the wiring through-holes 102. A central axis positioning hole 101 is provided between the wiring through-holes 102, and the central axis positioning hole 101 is located directly above the triangular hanger 4. An integrally formed arc-shaped spring piece 301 is provided on the outer side of the elastic clamp 3, and an inner pressure groove 302 is provided on the inner side of the arc-shaped spring piece 301. An integrally formed adjustment hole plate 501 is provided on one side of the transfer truss 5;

[0025] In this embodiment, the arc-shaped spring piece 301 can fit against the electric pole and then be connected and fixed by a locking structure. The arc-shaped spring piece 301 can shrink inward during the fixing process, so that the arc-shaped spring piece 301 fits better against the surface of the electric pole and increases the friction resistance.

[0026] Working principle: the bracket used by the cable is inserted into the buffer tube groove 202, and the bracket structure fits with the internal rubber patch 203. The rubber patch 203 clamps the bracket structure under the cooperation of the spring shaft groove 2021 and the patch shaft block 2031. When the cable shakes in crosswind weather, the force will be transmitted to the bracket. Under the impact of the bracket structure, the rubber patch 203 in the corresponding direction will shrink inward to eliminate the inertial force generated by the swing. After recovery, the rubber patch 203 can fix the bracket in time without affecting the connection stability between the two.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An elastic cross arm structure for auxiliary cables to resist crosswind, comprising a metal cross arm (1), characterized in that: An elastic clamp (3) is provided on one side of the metal cross arm (1), and the elastic clamp (3) is connected to the metal cross arm (1) by bolts; a triangular hanger (4) is provided at the bottom of the metal cross arm (1), and the triangular hanger (4) is connected to the metal cross arm (1) by bolts; a transfer truss (5) is provided on one side of the bottom of the triangular hanger (4), and the transfer truss (5) is connected to the triangular hanger (4) by bolts; and a plurality of insulating wire sleeves (2) are provided inside the metal cross arm (1).

2. The elastic cross arm structure for auxiliary cables to resist crosswind according to claim 1, characterized in that: Wiring holes (102) are provided on the surfaces of both sides of the metal cross arm (1), and the insulating wire sleeve (2) is connected to the metal cross arm (1) through the wiring holes (102).

3. The elastic cross arm structure for auxiliary cables to resist crosswind according to claim 2, characterized in that: A central axis positioning hole (101) is provided between the wiring through holes (102), and the central axis positioning hole (101) is located directly above the tripod bracket (4).

4. The elastic cross arm structure for auxiliary cables to resist crosswind according to claim 1, characterized in that: An integrally formed arc-shaped spring sheet (301) is provided on the outer side of the elastic clamp (3), an inner pressure groove (302) is provided on the inner side of the arc-shaped spring sheet (301), and an integrally formed adjustment hole plate (501) is provided on one side of the transfer truss (5).

5. The elastic cross arm structure for auxiliary cables to resist crosswind according to claim 1, characterized in that: Both ends of the insulating wire sleeve (2) are provided with limiting gaskets (201), the limiting gaskets (201) are connected to the metal cross arm (1) via a slot, a buffer tube slot (202) is provided inside the insulating wire sleeve (2), and three rubber patches (203) are provided inside the buffer tube slot (202).

6. The elastic cross arm structure for auxiliary cables to resist crosswind according to claim 5, characterized in that: A patch shaft block (2031) is arranged on the inner side of the rubber patch (203); the patch shaft block (2031) and the rubber patch (203) are connected via an adhesive; and the patch shaft block (2031) and the buffer tube groove (202) are telescopically connected via a spring shaft groove (2021).

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