CN203808546U - Reinforcing device for electric pole - Google Patents

Abstract

The utility model discloses a pole reinforcement, which comprises a support sleeve, a pull rod and a fastening assembly; the axis of the pull rod and the support sleeve are coplanarly arranged and hinged to the support sleeve with their central parts; the support sleeve includes at least two arc-shaped hoops and It is a detachable connecting piece that connects each arc-shaped hoop into a ring; the arc-shaped hoop is a groove-shaped block with an opening radially outward; the fastening component is arranged between the support sleeve and the tie rod to provide force for the tie rod to tighten the lower end. Pressed on the pole passing through the inner hole of the support sleeve, the pole reinforcement of the utility model, the arc-shaped hoop is a groove-shaped block with an opening radially outward, with high bending and torsional strength, which can effectively eliminate stress concentration and improve Its structural strength avoids the failure of fixing the pole due to deformation and fracture, ensures the reliability of fixing the pole, and guarantees the personal safety of the operators who climb the pole.

Description

pole reinforcement

technical field

The utility model relates to a mechanical device, in particular to an electric pole reinforcer with high structural strength.

Background technique

In various transmission line maintenance operations, the most common safety hazard is the inclination of the pole due to its own inclination or the inclination caused by the unbalanced force, which is prone to pole down accidents, such as poles, in China's power transmission system 10 In the distribution network lines of kV and below, cement poles are widely used, and the cement poles will be damaged due to permanent cable fatigue damage, foundation settlement or man-made damage when the transmission line is disconnected or long-term operation. Therefore, in the maintenance process of the transmission line, it is usually necessary to fix the pole with a pull wire before the maintenance personnel climb the pole, so as to prevent the accident of falling pole and disconnection, and ensure the personal safety of the operator who climbs the pole. And at present for the fixing of electric pole more is around the electric pole around a plurality of guy piles on the ground, and then corresponding to each guy pile the electric pole is obliquely pulled and fixed with the guy wire, and the guy wire top is fixed on the top of the utility pole, in the prior art , in order to eliminate the danger of climbing poles and fixing the stay wires, a kind of electric pole reinforcement has appeared, including a support ring composed of three arc-shaped hoops with the same arc and a tie rod hinged to the support ring. Construction workers can use support rods, etc. The tool supports the entire pole and pole reinforcement to the top of the pole, and then tightens the pull wire to realize the fixation with the pole, without the need for personnel to fix the pole, but the central part of the arc-shaped hoop is concentrated in force, which is easy to deform and break. The detachment of the pull wire from the electric pole leads to the failure of fixing the electric pole, which constitutes another potential safety hazard.

Therefore, in order to solve the above problems, it is necessary to improve the existing pole reinforcement, increase its structural strength, avoid fixation failure caused by deformation and fracture, eliminate potential safety hazards, ensure the reliability of pole fixation, and ensure that the operators who climb the pole personal safety.

Utility model content

In view of this, the purpose of this utility model is to provide a pole reinforcement with high structural strength, which eliminates the stress concentration of the arc hoop, avoids the failure of fixing caused by deformation and fracture, and ensures the reliability of fixing the pole , to ensure the personal safety of the climbing pole operators.

The pole reinforcement of the utility model includes a support sleeve, a pull rod and a fastening assembly; the pull rod and the axis of the support sleeve are arranged in the same plane and hinged to the support sleeve with their middle; the support sleeve includes at least two arc-shaped hoops and a detachable connecting piece that connects each arc-shaped hoop into a ring; the arc-shaped hoop is a grooved block with an opening radially outward; the fastening assembly is arranged between the support sleeve and the pull rod to provide Force the lower end to press tightly on the pole passing through the inner hole of the support sleeve;

Further, the fastening assembly is arranged on the opposite surface of the support sleeve and the pull rod, and the fastening assembly includes a first strip-shaped permanent magnet fixed to the support sleeve and a second strip-shaped permanent magnet fixed to the pull rod; the first strip The permanent magnet and the second bar-shaped permanent magnet are arranged side by side, and the first bar-shaped permanent magnet and the second bar-shaped permanent magnet provide force for the pull rod through the mutual attraction of different poles so that the lower end is tightly pressed against the inner hole of the support sleeve. Electric pole;

Further, the curvature radii of each arc-shaped hoop are the same and are sequentially connected from end to end along the same circumference through the connecting piece;

Further, the pull rods are provided in one-to-one correspondence with the arc-shaped hoops and arranged alternately with the arc-shaped hoops along the circumference, and each pull rod is correspondingly hinged between two adjacent arc-shaped hoops;

Further, there are three arc-shaped hoops, which respectively form one-third of the circumference of the support sleeve;

Further, both ends of the arc-shaped hoop in the circumferential direction are fixed with connecting ears for connecting the connectors;

Further, the connecting piece includes a bolt passing through the connecting ear and a nut cooperating with the bolt;

Further, the tie rods are hinged between the corresponding two arc-shaped hoops through the bolts used to connect adjacent two arc-shaped hoops; both the tie rods and the connecting ears are flat plate structures and are arranged parallel to each other, and the plane where the tie rods are located is along the arc-shaped hoops. Radially arranged, the two side surfaces of the pull rod and the circumferential outer surfaces of the corresponding connecting ears opposite to it are the opposite faces of the support sleeve and the pull rod;

Further, the pull rod is also provided with a stay plate hinged on the top end of the corresponding pull rod along the same plane and a presser foot at the bottom end, and a mechanism for lifting the presser foot to its bottom surface at least to a vertical position is connected between the presser foot and the pull rod. spring.

The beneficial effects of the utility model are: the pole reinforcement of the utility model, the arc-shaped hoop is a groove-shaped block with an opening radially outward, and has high bending and torsional strength, which can effectively eliminate stress concentration and improve its structural strength. Avoiding the failure of fixing the pole due to deformation and fracture, can ensure the reliability of fixing the pole and ensure the personal safety of the operators who climb the pole.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is the structural representation of the utility model;

FIG. 2 is a top view of FIG. 1 .

Detailed ways

Fig. 1 is a schematic structural view of the utility model, and Fig. 2 is a top view of Fig. 1, as shown in the figure: the pole reinforcement of the utility model includes a support sleeve, a pull rod 1 and a fastening assembly; the pull rod 1 and the support sleeve The axes are coplanar and hinged to the support sleeve with its middle; the support sleeve includes at least two arc-shaped hoops 2 and detachable connecting pieces that connect each arc-shaped hoop 2 into a ring; the arc-shaped hoop 2 is A groove block with an opening radially outward; the fastening assembly is arranged between the support sleeve and the pull rod 1 to provide force for the pull rod so that the lower end is tightly pressed against the pole passing through the inner hole of the support sleeve, and the groove block The two side plates 3 can effectively improve the bending and torsional strength of the trough-shaped block, and eliminate stress concentration. When in use, each arc-shaped hoop 2 is buckled on the periphery of the pole and fixed by a connecting piece, and then the pull wire is fixed on the pull rod. 1. At the upper end, use tools such as poles to support the entire pole reinforcement to the top of the pole, and then tighten the pull wire to achieve the fixation with the pole. There is no need for personnel to fix the pole. The bottom end of the pull wire can be punched on the bottom surface. The guy pile is tightened and fixed, and the pole climbing operation can be carried out after the electric pole is cable-stayed and fixed, which can ensure the personal safety of the pole climbing operator.

In this embodiment, the fastening assembly is arranged on the opposite surface of the support sleeve and the pull rod, and the fastening assembly includes a first bar-shaped permanent magnet 10 fixed to the support sleeve and a second bar-shaped permanent magnet 11 fixed to the pull rod 1 ; The first bar-shaped permanent magnet 10 and the second bar-shaped permanent magnet 11 are arranged side by side and oppositely arranged and the first bar-shaped permanent magnet 10 and the second bar-shaped permanent magnet 11 provide force for the pull bar 1 by different poles attracting each other to make the pull bar 1. The lower end is tightly pressed against the electric pole passing through the inner hole of the support sleeve, so that a certain pressure is maintained between the pull rod 1 and the electric pole, and the electric pole reinforcer is prevented from slipping.

In this embodiment, the arc-shaped hoops 2 have the same radius of curvature and are sequentially connected end to end along the same circle through the connecting piece, which is more suitable for cylindrical electric poles, such as cement electric poles, and has a compact structure and is easy to carry.

In this embodiment, the tie rods 1 and the arc-shaped hoops 2 are set in one-to-one correspondence and arranged alternately with the arc-shaped hoops 2 along the circumference, and each tie rod 1 is correspondingly hinged between two adjacent arc-shaped hoops 2, which can simplify the pull rod The connection structure between 1 and the arc-shaped hoop 2 is beneficial to the processing and molding of the arc-shaped hoop 2, which can reduce the manufacturing cost.

In this embodiment, there are three arc-shaped hoops 2 that form one-third of the circumference of the support sleeve, and there are three corresponding pull rods 1 that are evenly distributed along the circumference of the support sleeve, so that the poles are horizontally aligned with each other. Effective fixation under the action of tension in three directions at an included angle of 120°, simple and reliable, and easy to construct.

In this embodiment, both circumferential ends of the arc-shaped hoop 2 are fixed with connecting ears 4 for connection of connectors, which has a reasonable structure and facilitates the installation of connectors.

In this embodiment, the connecting piece includes a bolt 5 that passes through the connecting ear 4 and a nut 6 that cooperates with the bolt 5, which is beneficial to ensure the connection strength and is easy to disassemble. Can realize the utility model purpose.

In this embodiment, the tie rod 1 is hinged between the corresponding two arc-shaped hoops 2 through the bolt 5 used to connect the two adjacent arc-shaped hoops 2; , the plane where the tie rod 1 is located is set along the radial direction of the arc-shaped hoop 2, and the two side surfaces of the tie rod 1 and the circumferential outer surfaces of the corresponding connecting ears 4 opposite to it are the opposite surfaces of the support sleeve and the tie rod 1; Other connectors are arranged between the arc-shaped hoop 2, the structure is relatively simple, and it is easy to disassemble.

In this embodiment, the pull rod 1 is also provided with a wire plate 7 hinged on the top end of the corresponding pull rod 1 along the same plane and a presser foot 8 at the bottom end, and a connection between the presser foot 8 and the pull rod 1 is used to press the presser foot 8 Lift to the spring 9 whose bottom surface reaches the vertical position at least, the cable stay plate 7 is used to fix the connection cable, which can facilitate the connection and ensure the reliability of the connection between the cable and the pull rod 1, and the presser foot 8 can ensure that the pull rod 1 is uniform under different inclination angles. It can be in contact with the pole with a larger area to increase the friction and ensure the reliability of clamping and fixing on the pole. The spring 9 can ensure that the bottom surface of the presser foot 8 of the pole reinforcer is always facing the pole when it goes up along the pole. Make sure that the presser foot 8 is pressed tightly on the pole with its bottom surface when the stay wire is tightened.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (9)

1. A pole reinforcement, characterized in that: it includes a support sleeve, a pull rod and a fastening assembly; the pull rod and the axis of the support sleeve are coplanarly arranged and hinged to the support sleeve with its middle; the support sleeve includes at least two two arc-shaped hoops and detachable connecting pieces connecting each arc-shaped hoop into a ring; the arc-shaped hoop is a groove-shaped block with an opening radially outward; the fastening component is arranged between the support sleeve and the pull rod for use To provide force for the pull rod so that the lower end is tightly pressed against the pole passing through the inner hole of the support sleeve. 2. The electric pole reinforcement according to claim 1, characterized in that: the fastening assembly is arranged on the opposite surface of the support sleeve and the pull rod, and the fastening assembly includes a first bar-shaped permanent magnet fixed on the support sleeve and a The second bar-shaped permanent magnet fixed on the pull rod; the first bar-shaped permanent magnet and the second bar-shaped permanent magnet are arranged side by side and oppositely arranged and the first bar-shaped permanent magnet and the second bar-shaped permanent magnet are attracted by different poles. The pull rod provides force so that the lower end is tightly pressed against the pole passing through the inner hole of the support sleeve. 3. The pole reinforcement according to claim 2, characterized in that: the curvature radii of the arc-shaped hoops are the same and are sequentially connected head to tail along the same circle by the connecting piece. 4. The pole stiffener according to claim 3, characterized in that: the pull rods are set in one-to-one correspondence with the arc-shaped hoops and arranged alternately with the arc-shaped hoops along the circumference, and each pull rod is correspondingly hinged on two adjacent arc-shaped hoops. between the hoops. 5 . The pole reinforcement according to claim 4 , wherein there are three arc-shaped hoops, each forming one-third of the circumference of the supporting sleeve. 6 . 6. The pole reinforcement according to claim 5, characterized in that: both ends of the arc-shaped hoop in the circumferential direction are fixed with connecting ears for connecting the connecting parts. 7. The pole reinforcement according to claim 6, characterized in that: the connecting member comprises a bolt passing through the connecting ear and a nut cooperating with the bolt. 8. The pole reinforcement according to claim 7, characterized in that: the pull rod is hinged between the corresponding two arc-shaped hoops through the bolts used to connect adjacent two arc-shaped hoops; It is a plate structure and arranged parallel to each other. The plane where the tie rods are located is set along the radial direction of the arc-shaped hoop. The two side surfaces of the tie rods and the circumferential outer sides of the corresponding connecting ears are the opposite surfaces of the support sleeve and the tie rods. 9. The pole reinforcement according to claim 8, characterized in that: said pull rod is also provided with a wire plate hinged to the top end of the pull rod along the same plane as the corresponding pull rod and a presser foot at the bottom end, between the presser foot and the pull rod A spring is attached for lifting the presser foot to its bottom surface at least to an upright position.