CN111042618B

CN111042618B - Double-loop electrified upright pole support rod

Info

Publication number: CN111042618B
Application number: CN201911280353.0A
Authority: CN
Inventors: 陆伟; 卞金川; 刘争; 芮吉; 沈巍慧; 邬春杰; 沈超
Original assignee: Jiashan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Jiashan Hengxing Electric Power Construction Co Ltd
Current assignee: Jiashan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd; Jiashan Hengxing Electric Power Construction Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-03-02
Anticipated expiration: 2039-12-13
Also published as: CN111042618A

Abstract

The invention discloses a double-loop electrified vertical rod support rod which comprises a rod body, a plurality of support heads and a prompting unit, wherein the rod body comprises an outer rod and an inner rod, the outer rod is hollow, the inner rod is sleeved in the outer rod, a locking mechanism for controlling tightness is arranged between the outer rod and the inner rod, the support heads are arranged at the tail ends of the outer rod and the inner rod, the prompting unit is arranged on the surface of the outer rod, and a conductor arranged in the prompting unit is in contact with the outer rod. Can stretch out and draw back between outer pole and the interior pole to the distance of electric wire is adjusted as required, the suggestion unit can judge the electric leakage condition through whether having the electric current simultaneously, if the electric leakage then can indicate. The prompting unit can be a common high-voltage electric alarm device or other structures. The substantial effects of the invention include: the structure through outer pole and interior pole realizes stretching out and drawing back to adjust the distance that struts of electric wire, suggestion unit can play suggestion operation personnel's effect simultaneously, prevents that unnecessary touching from appearing when the electric leakage.

Description

Double-loop electrified upright pole support rod

Technical Field

The invention relates to the field of live pole erecting operation tools, in particular to a double-loop live pole erecting support rod.

Background

When a new high-voltage electric pole needs to be erected on a certain section of a high-voltage wire, two parallel wires need to be pulled apart, so that the distance between the wires is increased, a sufficient operation space is provided for the operation of erecting the rod, and the operation safety is ensured.

At present, the operation modes of spreading two wires are as follows: the first is to use two live vehicles to operate, the live vehicles are stopped at two leads, and constructors pull the leads open through the live vehicles; the second is that insulated working ropes are respectively bound on two leads, and two constructors pull the leads on the ground; and the third method is to pull the two wires apart and then connect the two wires with the insulating rod through the binding ropes, so as to pull the two wires apart. The first scheme needs two electrified vehicles and a plurality of constructors, the electrified vehicles have high requirements on the environment, and a lot of uneven ground cannot be operated by the electrified vehicles; secondly, the leads are pulled open manually, the manual force is difficult to control, the pulling force is unstable, the distance between the two leads is unstable, and a large potential safety hazard exists; in the third operation mode, the connection stability of the binding rope and the support rod is poor, the binding rope is easy to slide, and a plurality of constructors are required to perform cooperative operation to prop open and position the lead.

In order to simplify the operation process and improve the safety, a plurality of novel supporting tools appear, for example, the invention of an authorization publication No. CN101588028B discloses a wire supporting tool used in the operation of an electrified vertical rod, wherein one end of an insulating rod is provided with a fixed supporting rod head, and the other end is provided with a movable supporting rod head which can be movably matched with the insulating rod. The movable supporting rod head is vertically connected with the retaining ring through a wire clamping groove, a plurality of through holes are distributed at one end of the insulating rod, the movable supporting rod head is buckled on the insulating rod through the retaining ring, the two tail ends of the retaining ring are fixed through fixing bolts, and the retaining ring is radially fixed at the through holes through movable bolts.

The invention discloses an adjustable stay bar of a locking device for a live vertical rod, which is disclosed by the invention with an authorization notice number CN107681537B, and aims to provide the adjustable stay bar of the locking device for the live vertical rod, which can be used for opening two parallel wires, and has the advantages of simple structure, convenience in operation and reliability in connection. The inner side surface of the main rod sleeve is provided with an axial guide groove which extends along the axial direction of the main rod sleeve; the moving rod sleeve is inserted into the main rod sleeve and can slide along the axial direction of the main rod sleeve, and a sliding block matched with the axial guide groove is arranged on the outer side surface of the moving rod sleeve; and the rod sleeve telescopic actuating mechanism comprises a screw rod which is rotatably arranged in the main rod sleeve through a bearing and a nut which is fixedly arranged in the movable rod sleeve and matched with the screw rod, one end of the screw rod is positioned outside the main rod sleeve, the other end of the screw rod extends into the movable rod sleeve, and an operating knob is arranged on the screw rod and positioned outside the main rod sleeve.

However, the above-described support tool has a purely mechanical structure in order to achieve low cost and insulation, and although the function of spreading the electric wire can be achieved, it cannot cope with an abrupt leakage.

Disclosure of Invention

Aiming at the problem that the supporting tool for the electrified vertical rod in the prior art can only support wires and cannot deal with the sudden electric leakage situation, the invention provides the double-loop electrified vertical rod supporting rod.

The technical scheme of the invention is as follows.

The utility model provides an electrified pole setting vaulting pole of two return circuits, includes the body of rod and a plurality of props the head, still includes the suggestion unit, the body of rod includes outer pole and interior pole, outer pole cavity, interior pole cup joints in outer pole, still is equipped with the locking mechanism of control elasticity between outer pole and the interior pole, prop the end of head setting in outer pole and interior pole, the suggestion unit sets up on the outer pole surface, and the outer pole of the built-in conductor contact of suggestion unit. Can stretch out and draw back between outer pole and the interior pole to the distance of electric wire is adjusted as required, the suggestion unit can judge the electric leakage condition through whether having the electric current simultaneously, if the electric leakage then can indicate. The prompting unit can be a common high-voltage electric alarm device or other structures.

Preferably, the locking mechanism comprises a plug pin and a jack, the jack is arranged on the outer rod, and the plug pin penetrates through the jack and abuts against the inner rod.

Preferably, the supporting head is connected with the outer rod and/or the inner rod through a connecting block, and the connecting block is connected with the supporting head through a bolt. The angle adjustment of the supporting head can be realized by installing the connecting block and the supporting head at different angles through bolts.

Preferably, the prompting unit comprises a resonant cavity, a fuse, a weight and sounding strings, the resonant cavity is fixed on the surface of the outer rod, a conductor is filled in the wall of the resonant cavity and connected with the outer rod, one end of the fuse is connected with the wall of the resonant cavity and the conductor, the other end of the fuse is connected with the weight, the two fuses pull the weight from different directions to suspend the weight in the resonant cavity, the sounding strings are fixed in the resonant cavity, and the resonant cavity is provided with a plurality of through holes. When current flows on the surface of the outer rod, the current flows through the fuse and the heavy object after passing through the conductor, so that the fuse is fused, the heavy object falls in the resonant cavity and touches the sounding string, the sounding string generates vibration and makes sound, and the vibration is amplified in the resonant cavity, so that nearby operators can hear abnormal sound to play a role in prompting.

Preferably, the fuse has a diameter gradually increasing from one end to the other end of the weight. To ensure preferential fusing on one side of the weight, the diameter is therefore arranged in a graduated fashion.

Preferably, the inner walls of the resonant cavity in different directions are in smooth transition. In order to reduce the absorption of vibrations in the resonant cavity, unnecessary dead corners need to be reduced as much as possible, so a smooth transition is used.

Preferably, the weight is a hollow metal ball with a hole. The metal is conductive, and the hollow sphere body is conductive to vibration and further increases volume.

The substantial effects of the invention include: the structure through outer pole and interior pole realizes stretching out and drawing back to adjust the distance that struts of electric wire, suggestion unit can play suggestion operation personnel's effect simultaneously, prevents that unnecessary touching from appearing when the electric leakage.

Drawings

FIG. 1 is an overall schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of a prompt unit according to an embodiment of the present invention;

the figure includes: 1-outer rod, 2-inner rod, 3-support head, 4-connecting block, 5-prompting unit, 51-fuse, 52-weight, 53-sounding string and 54-resonant cavity.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. In addition, numerous specific details are set forth below in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present invention.

In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.

Fig. 1 is an electrified pole setting vaulting pole of two return circuits, including the body of rod and four prop head 3, still include suggestion unit 5, the body of rod includes outer pole 1 and interior pole 2, and outer pole 1 cavity, interior pole 2 cup joint in outer pole 1, still is equipped with the locking mechanism of control elasticity between outer pole 1 and interior pole 2, props the end that first 3 set up in outer pole 1 and interior pole 2, and suggestion unit 5 sets up on outer pole 1 surface, and suggestion unit 5 embeds conductor contact outer pole 1. Can stretch out and draw back between outer pole 1 and interior pole 2 to the distance of electric wire is adjusted as required, and whether suggestion unit 5 can judge the electric leakage condition through having the electric current simultaneously, if appear the electric leakage then can indicate. The prompting unit 5 can be a common high-voltage alarm device or other structures.

Wherein locking mechanism includes bolt and jack, and the jack sets up in outer pole 1, and the bolt passes jack butt interior pole 2. The supporting head 3 is connected with the outer rod 1 and/or the inner rod 2 through a connecting block 4, and the connecting block 4 is connected with the supporting head 3 through a bolt. The connecting block 4 and the supporting head 3 are installed at different angles through bolts, so that the angle adjustment of the supporting head 3 can be realized.

As shown in fig. 2, the prompting unit 5 of the present embodiment includes a resonant cavity 54, a fuse 51, a weight 52 and a sounding string 53, the resonant cavity 54 is fixed on the surface of the outer rod 1, a conductor is filled in the wall of the resonant cavity 54 to connect with the outer rod 1, one end of the fuse 51 is connected with the wall of the resonant cavity 54 and the conductor, the other end of the fuse 51 is connected with the weight 52, two fuses 51 pull the weight 52 from different directions to suspend the weight 52 in the resonant cavity 54, a plurality of sounding strings 53 are fixed in the resonant cavity 54, and the resonant cavity 54 is provided with a plurality of through. When current flows on the surface of the outer rod 1, the current flows through the fuse 51 and the heavy object 52 after passing through the conductor, so that the fuse 51 is fused, the heavy object 52 falls in the resonant cavity 54 and contacts the sounding string 53, the sounding string 53 generates vibration and generates sound, and the vibration is amplified in the resonant cavity 54, so that nearby operators can hear abnormal sound to play a role in prompting.

The diameter of the fuse 51 becomes gradually larger from one end to the other end of the weight 52. To ensure that the weight 52 side melts preferentially, the diameter is set in a gradual manner.

The inner walls of resonant cavity 54 in different directions are rounded. In order to reduce the absorption of vibrations in the resonant cavity 54, unnecessary dead space needs to be reduced as much as possible, and therefore a smooth transition is used.

The weight 52 of this embodiment is a hollow metal ball with a hole. The metal is conductive, and the hollow sphere body is conductive to vibration and further increases volume.

Through the description of the above embodiments, those skilled in the art will understand that, for convenience and simplicity of description, only the division of the above functional modules is used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of a specific device is divided into different functional modules to complete all or part of the above described functions.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A double-loop electrified vertical rod support rod comprises a rod body and a plurality of support heads and is characterized by further comprising a prompting unit, wherein the rod body comprises an outer rod and an inner rod, the outer rod is hollow, the inner rod is sleeved in the outer rod, a locking mechanism for controlling tightness is further arranged between the outer rod and the inner rod, the support heads are arranged at the tail ends of the outer rod and the inner rod, the prompting unit is arranged on the surface of the outer rod, and a conductor arranged in the prompting unit contacts the outer rod;

the prompting unit comprises a resonant cavity, fuses, weights and sounding strings, the resonant cavity is fixed on the surface of the outer rod, conductors are filled in the wall of the resonant cavity and connected with the outer rod, one end of each fuse is connected with the wall of the resonant cavity and the conductors, the other end of each fuse is connected with the corresponding weight, the two fuses pull the weights from different directions to suspend the weights in the resonant cavity, the sounding strings are fixed in the resonant cavity, and the resonant cavity is provided with through holes.

2. The dual-circuit live pole brace of claim 1, wherein the locking mechanism comprises a pin and a socket, the socket is disposed on the outer pole, and the pin passes through the socket and abuts the inner pole.

3. The double-circuit electrified vertical pole brace rod as claimed in claim 1, wherein the brace head is connected with the outer pole and/or the inner pole through a connecting block, and the connecting block is connected with the brace head through a bolt.

4. A dual-circuit live pole stay as claimed in claim 1, wherein the fuse has a diameter which becomes larger from one end to the other end of the stay to which the weight is attached.

5. The double-circuit live pole brace of claim 1 or 4, wherein the inner walls of the resonant cavity in different directions are rounded.

6. A dual-loop charged vertical pole brace as claimed in claim 1 or 4, wherein the weight is a hollow metal ball with holes.