CN115528592A - A support and fixation device for an insulated drain wire - Google Patents

Abstract

The application provides a support fixing device of insulating drainage wire, support fixing device and be used for fixing on the cross arm, support fixing device and include: a drainage wire insulating support rod; the drainage wire fixing insulating tube is fixedly connected to the drainage wire insulating support rod and used for placing a drainage wire; a drainage wire insulating handheld rod; the clamping plate is of a U-shaped structure; cardboard one side opening, the cross arm is followed in the opening part card of cardboard is gone into the cardboard, the bottom of cardboard with insulating handheld pole fixed connection of drainage wire, the top of cardboard with the insulating bracing piece fixed connection of drainage wire, this application can be applicable to because of the topography is limited, and when can not adopt insulating bucket arm car to carry out the load and change branch isolator or fuse operation, realize that the electric current bypass switches on, reducible power off time and power off number of times effectively improve the power supply reliability.

Description

A support and fixation device for an insulated drain wire

technical field

The present application relates to the field of fixing electric power drain wires, in particular to a supporting and fixing device for insulated drain wires.

Background technique

Live work refers to a method of repairing and testing high-voltage electrical equipment without power failure. Electrical equipment needs frequent testing, inspection and maintenance during long-term operation. Live work is an effective measure to avoid maintenance blackouts and ensure normal power supply. The particularity of the non-stop operation of the distribution network determines that it has high technical requirements in terms of tools and personnel configuration. Faced with the pattern of "new forms of electricity reform, new requirements for services, new models of distribution networks, and new developments in technology", various industries in society have increasingly strong requirements for power supply reliability.

At present, the content of live work can be divided into several aspects such as live test, live inspection and live maintenance. The objects of live work include electrical equipment in power plants and substations, overhead transmission lines, distribution lines and distribution equipment. The main items of live work include: live replacement of line tower insulators, cleaning and replacement of insulators, washing insulators with water, crimping and repairing wires and overhead ground wires, detecting bad insulators, testing and replacing isolating switches and lightning arresters, testing transformer temperature rise and dielectric loss values .

Although the above method can effectively reduce the number of power outages and improve the reliability of power supply, it is necessary to fix the drain wire in advance during the operation, so as to facilitate the operation of the operator, but due to the limitation of the terrain, it is not convenient to insulate the bucket arm truck in mountainous areas. In the entered area, live work cannot be used, and power outage work is required, which greatly reduces the reliability of power supply.

Contents of the invention

In view of this, this application provides a support and fixation device for insulated drain wires, which solves the problem of the prior art in mountainous areas or areas where insulated bucket trucks cannot enter easily, and it is impossible to replace the isolating switch or perform fusing in the distribution line under load. The operation of the inverter will result in the need for power outages and reduce the technical problems of power supply reliability.

The present application provides a support and fixation device for an insulated drain wire, the support and fixation device is used to be fixed on a cross arm, and the support and fixation device includes: a drain wire insulation support rod;

Drainage line fixed insulation tube, the drainage line fixed insulation tube is fixedly connected to the drainage line insulation support rod, and the drainage line fixed insulation tube is used to place the drainage line;

Insulated hand-held rod for drainage wire;

Clamp, the clamp is a U-shaped structure; one side of the clamp is open, the cross arm is inserted into the clamp from the opening of the clamp, and the bottom of the clamp is insulated from the drain wire The hand-held rod is fixedly connected, and the top of the clamping board is fixedly connected with the insulating support rod of the drainage wire.

In a possible implementation manner, the bottom of the clamping plate is provided with a connecting hole allowing the insulated hand-held rod of the drainage wire to pass through, and an inner thread is provided on the inner wall of the connecting hole.

In a possible implementation manner, the drain wire insulated handheld rod includes:

handheld unit;

A connection unit, the diameter of the connection unit is smaller than the diameter of the handheld unit, the outer circumference of the connection unit is provided with external threads, and the connection unit is screwed to the connection hole at the bottom of the clamp; and

A tightening unit, the tightening unit is fixedly connected to the end of the connection unit, and the tightening unit is used to tighten or loosen the cross arm.

In a possible implementation manner, the handheld unit and the connecting unit are integrally formed.

In a possible implementation, the drain wire insulating support rod includes: a longitudinal support rod, one end of the longitudinal support rod is fixedly connected to the top of the clamping plate, and the other end of the longitudinal support rod is fixedly connected to the The drain wire fixes the center of the insulating tube;

An oblique rod, the oblique rod includes a first oblique rod and a second oblique rod, one end of the first oblique rod and the second oblique rod are fixedly connected to the bottom of the longitudinal support rod, and the first oblique rod The rod and the other end of the second oblique rod are symmetrically fixedly connected to both sides of the center of the fixed insulating tube for the drain wire, and the first oblique rod and the second oblique rod have a "V"-shaped structure.

In a possible implementation manner, the drain wire fixing insulating tube is bent upwards to form a first bending angle, and the first bending angle is located at a connection between the first oblique rod and the drain wire fixing insulating tube.

In a possible implementation manner, the drain wire fixing insulating tube is bent upwards to form a second bending angle, and the second bending angle is located at a connection between the second oblique rod and the drain wire fixing insulating tube.

In a possible implementation manner, the supporting and fixing device further includes a drain wire fixing frame, and the drain wire fixing frame is a square frame structure; the bottom of the drain wire fixing frame is fixedly connected to the drain wire insulating support rod Above; the drain wire fixing insulating tube is fixedly connected to the side of the drain wire fixing frame close to the second slanting bar.

In a possible implementation manner, the supporting and fixing device further includes: a drain wire clip hanging ring, the drain wire clip hanging ring is located at both ends of the drain wire fixing insulating tube, and the drain wire clip hangs The hanging ring is used to fix the position of the drainage wire; the drainage wire clip is located at both ends of the drainage wire, and the drainage wire clip and the drainage wire clip hanging ring are detachable connect.

In a possible implementation manner, the drain wire clamp includes: a clamping part, the clamping part is a closed arc structure, and the clamping part is detachable from the drain wire clamp hanging ring connection; and a connector, the connector is fixedly connected to the end of the drainage wire.

The supporting and fixing device described in this application is used to be fixed on the cross arm. The supporting and fixing device includes: a drain wire insulating support rod; a drain wire fixing insulating tube, and the drain wire fixing insulating tube is fixedly connected to the drain wire insulating On the support bar, the drainage wire fixed insulating tube is used to place the drainage wire; the drainage wire insulation hand-held rod; the clamp, the clamp is a U-shaped structure; The opening of the plate is snapped into the clamping plate, the bottom of the clamping plate is fixedly connected with the insulating handle of the drain wire, and the top of the clamping plate is fixedly connected with the insulating support rod of the draining wire. The supporting and fixing device of the present application can be applied to realize the current bypass conduction when the insulated arm truck cannot be used to replace the branch isolating switch or fuse with load due to the limited terrain, and its structure is simple, easy to operate, and easy to popularize , can reduce the power outage time and frequency, and effectively improve the reliability of power supply.

Description of drawings:

The above and other objects, features and advantages of the present application will become more apparent through a more detailed description of the embodiments of the present application in conjunction with the accompanying drawings. The accompanying drawings are used to provide a further understanding of the embodiments of the present application, and constitute a part of the specification, and are used together with the embodiments of the present application to explain the present application, and do not constitute limitations to the present application. In the drawings, the same reference numerals generally represent the same components or steps.

FIG. 1 is a schematic diagram of the overall structure of a supporting and fixing device for an insulated drain wire provided in an embodiment of the present application;

Fig. 2 is a schematic diagram of the connection between the clamping plate and the insulating hand-held rod of the drain wire provided by an embodiment of the present application;

Fig. 3 is a schematic structural diagram of a drain wire insulating hand-held rod of a support and fixation device for an insulated drain wire provided in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a drain wire insulating support rod of a support and fixation device for an insulated drain wire provided in an embodiment of the present application;

Fig. 5 is a schematic structural diagram of a supporting and fixing device for near-side phase live wires provided by an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a supporting and fixing device for a middle-phase live wire provided in another embodiment of the present application;

FIG. 7 is a schematic structural diagram of a support and fixation device for a remote phase live wire provided in the third embodiment of the present application;

FIG. 8 is a schematic structural diagram of a drain wire clip of a support and fixation device for an insulated drain wire provided in an embodiment of the present application.

Explanation of reference signs:

1- drainage line insulation support rod; 11- longitudinal support rod; 12- oblique rod; 121- first oblique rod; 122- second oblique rod;

2-the drainage wire fixed insulating tube; 21-the first bending angle; 22-the second bending angle;

3-Drain wire insulation hand-held rod; 31-Hand-held unit; 32-Connection unit; 33-Tightening unit;

4-card board; 41-connection hole;

5- Drainage line fixed frame;

6- Drainage wire clip hanging ring;

7-drainage wire clamp; 71-clamping part; 72-connector.

detailed description

In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. All directional indications (such as up, down, left, right, front, back, top, bottom...) in the embodiments of the present application are only used to explain the various components in a certain posture (as shown in the figure) If the specific posture changes, the directional indication will also change accordingly. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or units inherent in these processes, methods, products or apparatuses.

Additionally, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some, not all, embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

Application overview:

The drain line refers to the connecting line of the conductors on both sides of the tower. The drain line technology is mainly used for equipment maintenance and replacement. If connected, you can use climbing poles, insulating platforms, insulating scaffolding, etc. to replace the disconnector or fuse under load.

Distribution network lines need frequent testing, inspection and maintenance during long-term operation. In order to avoid large-scale power outages, it is often used to replace isolating switches or fuses with load. Can not guarantee safe and reliable operation when using in pole climbing operation. Drain wires used in 10kV power distribution overhead lines are operated with an insulated bucket arm truck, and both ends of the drain wire are fixed on the wire or fixed on the cross arm with a support rod, but only the insulated bucket truck can be used for installation And use, its structure is: drainage wire and two end wire clamps. Its disadvantages: it can only be used in places where insulated bucket trucks can reach, and in terrains where insulated bucket trucks cannot be used, its safety cannot be guaranteed, and the reliability of power supply is also greatly reduced.

However, when the fuse or isolating switch is replaced under load in the 10KV distribution network, after the live upper drain wire is removed, the locking rod is generally used to lock the live drain wire, and then the staff supports it or the operator directly supports it by hand, and then another It takes a long time for an operator to replace the drop-out fuse, and it is very time-consuming and labor-intensive. At the same time, all personnel are in the insulating bucket during the operation. During the replacement operation, the operator needs to operate the insulating bucket to lift up and down, and at this time, the live drainage wire is prone to fall off, which may easily cause safety hazards.

In the process of live work in the distribution network, in special terrains such as mountainous areas, when the insulated arm truck cannot be used to replace the branch isolating switch or fuse with load, the climbing rod can be used to carry out the work, and the drainage wire of the application can be used to fix the supporting device The operation of replacing the isolating switch or fuse with load can be applied to the terrain where the insulated bucket arm truck cannot be carried out. The equipment cost is low and easy to install. It forms a power supply side of the equipment-drainage line-equipment load outside the equipment to be replaced. In this way, a stable current loop is formed in parallel with the equipment, so that the charge of the replacement equipment is completely moved to the parallel loop of the drain line. This kind of live work does not need to cut off the load carried by the equipment, which can ensure the continuous stability of the power supply of the grid system. .

Figure 1 is a schematic diagram of the overall structure of a support and fixation device for an insulated drain wire provided in an embodiment of the present application; Drainage line insulation support rod 1; drainage line fixed insulation tube 2, the drainage line fixed insulation tube 2 is fixedly connected on the drainage line insulation support bar 1, the drainage line fixed insulation tube 2 is used to place the drainage line; the drainage line insulation is handheld Rod 3; clamping plate 4, clamping plate 4 is a U-shaped structure; one side of the clamping plate 4 is open, and the cross arm is inserted into the clamping plate 4 from the opening of the clamping plate 4, and the bottom of the clamping plate 4 is insulated from the drain wire and held The rod 3 is fixedly connected, and the top of the clamping plate 4 is fixedly connected with the insulating support rod 1 of the drain wire. The supporting and fixing device of the present application connects the clamping plate 4 to the cross arm, and an insulating support rod 1 is set on the top of the clamping plate to fix the drain wire fixing insulating tube 2, and the drain wire is placed on the drain wire fixing insulating tube 2, the support and fixing device of the present application needs to fix the drainage wire in advance during the operation process, so as to facilitate the operation of the operator, and also avoid the limitation of the terrain, in mountainous areas or areas that are inconvenient for insulated bucket trucks to enter, Live work cannot be done, and power outage work is required. The support and fixing device of this application forms a power supply side-drainage line-load side of the equipment outside the equipment to be replaced, thus forming a stable current loop in parallel with the equipment, making replacement The charge of the equipment is completely moved to the parallel circuit of the diversion line. This kind of live work does not need to cut off the load of the equipment, which can ensure the continuous and stable power supply of the grid system, greatly improve the reliability of power supply, and avoid the damage caused by this work. Large-scale power outages reduce the number and duration of power outages caused by this type of work, comprehensively improve the reliability of power supply, reduce the risk of frequent power outage complaints, and practice "no power outage is the best service". The utility model has the advantages of safety, short time, high efficiency and low cost.

Figure 2 is a schematic diagram of the connection between a clamping plate and a draining wire insulated hand-held rod of a support and fixation device for an insulated drain wire provided in an embodiment of the present application; The connecting hole 41 through which the insulating hand-held rod 3 passes, the inner wall of the connecting hole 41 is provided with internal threads. The bottom of the clamping plate 4 of the supporting and fixing device of the present application is provided with a connecting hole 41, and the connecting hole 41 is used to connect the insulating hand rod 3 of the drain wire. The clamping plate 4 can not only make the supporting and fixing device be fixed on the cross arm, but also the Bottom can also be connected with drainage wire insulating support bar 3, and connecting hole 41 inwalls offer internal thread, and the bottom of clamping plate 4 is threadedly connected with draining wire insulating supporting bar 3, can adjust the connection of draining wire insulating supporting bar 3 and clamping plate 4.

Fig. 3 is a schematic diagram of the structure of a drain wire insulating hand-held rod of a support and fixation device for an insulated drain wire provided in an embodiment of the present application; as shown in Fig. Unit 32, the diameter of connecting unit 32 is less than the diameter of hand-held unit 31, and connecting unit 32 outer periphery is provided with external thread, and connecting unit 32 is threadedly connected with the connecting hole 41 of clamping plate 4 bottom; And tightening unit 33, tightening unit 33 is fixed Connected to the end of the connection unit 32, the tightening unit 33 is used to tighten or loosen the cross arm. The diameter of the connection unit 32 of the drain wire insulating hand-held rod 3 of the present application is smaller than the diameter of the hand-held unit 31, and a stepped structure is formed at the connection between the hand-held unit 31 and the connection unit 32, and the side of the hand-held unit 31 close to the connection unit 32 The end face forms a protruding contact surface. When the connection unit 32 passes through the connection hole 41 at the bottom of the card board 4, the hand-held unit 31 is placed outside the card board 4, and the contact surface is used to contact the bottom of the card board 4, and the hand-held unit 31 is stuck on the outside of the bottom of the clamping plate 4, the outer circumference of the connecting unit 32 is provided with an external thread matching the internal thread on the connecting hole 41, and the tightening unit 33 is fixedly connected to the end of the connecting unit, when the hand-held unit 32 is turned clockwise , the tightening unit 33 tightens toward the direction of the cross arm, and when the hand-held unit 32 is turned counterclockwise, the tightening unit 33 loosens toward a direction away from the cross arm, so as to realize tightening or loosening of the cross arm.

In a possible implementation manner, the handheld unit 31 and the connecting unit 32 are integrally formed. The hand-held unit 31 and the connection unit of the present application have an integrated structure, which not only facilitates the screw connection of the drain wire insulating hand-held rod 3 in the connection hole 41, the structure is simple, the operation is convenient, and it is also convenient for the drainage wire insulating hand-held rod 3 pairs of crossarms to be connected. Tightening or loosening adjustment, by simply rotating the insulating rod 3 of the drain wire, the tightening or loosening of the insulating hand rod 3 to the cross arm can be realized, so that the insulating and fixing support device for the drain wire is safe, reliable, and efficient. Advantages, and can be applied to different power lines.

Fig. 4 is a schematic structural diagram of a drain wire insulating support rod of a support and fixation device for an insulated drain wire provided in an embodiment of the present application; as shown in Fig. 4 , the drain wire insulating support rod 1 includes: a longitudinal support rod 11, One end of the longitudinal support rod 11 is fixedly connected to the top of the clamping plate 4, and the other end of the longitudinal support rod 11 is fixedly connected to the center of the drain wire fixing insulating tube 2; the oblique rod 12 includes the first oblique rod 121 and the first oblique rod 121. The second oblique rod 122, one end of the first oblique rod 121 and the second oblique rod 122 are all fixedly connected to the bottom of the longitudinal support rod 11, and the other ends of the first oblique rod 121 and the second oblique rod 122 are symmetrically fixedly connected to the drain The wires are fixed on both sides of the center of the insulating tube 2, and the first slanting rod 121 and the second slanting rod 122 are in a "V" shape. The drain wire insulating support rod 1 in the present application is used to form a support function for the drain wire fixed insulating tube 2 , so as to facilitate the placement of the drain wire on the drain wire fixed insulating tube 2 .

Figure 5 shows a schematic structural view of the supporting and fixing device for the near-side phase live wire provided by an embodiment of the present application; as shown in Figure 5, when the equipment requiring insulation and shielding is the near-side live wire One end of one end is fixedly connected to the top of the clamping plate 4, and the other end of the longitudinal support rod 11 is fixedly connected to the center position of the fixed insulating tube 2 of the drain wire; one end of the first slanting rod 121 and the second slanting rod 122 are all fixedly connected to the longitudinal support The bottom of the rod 11, the other ends of the first slanting rod 121 and the second slanting rod 122 are symmetrically fixedly connected to both sides of the center of the drain wire fixed insulating tube 2, and the first slanting rod 121 and the second slanting rod 122 are in a "V" shape Structure, the drainage wire insulation support rod 1 is located at the center of the drainage wire insulation tube 2, and the "V" shape structure helps the oblique rod share the weight of the drainage wire fixed insulation tube 2, and the support for the drainage wire insulation tube 2 is more stable and reliable.

Figure 6 is a schematic structural view of the supporting and fixing device for the medium-phase live wire provided in another embodiment of the application; as shown in Figure 6, as the second possible implementation of the application, when the equipment requiring insulation and shielding is When the live wire is in the middle phase, one end of the longitudinal support rod 11 is fixedly connected to the top of the clamp 4, and the other end of the longitudinal support rod 11 is fixedly connected to the center of the drain wire fixed insulating tube 2; At the center of the insulating tube 2, the drain wire fixed insulating tube 2 located on the left side of the drain wire insulating support rod 1 is bent upward to form a first bending angle 21. The first bending angle 21 is located between the first oblique rod 121 and the drain wire fixing insulating tube. 2, at this time, the drain wire fixed insulating tube 2 on the left side of the drain wire insulating rod 1 is located on the upper part of the drain wire insulating support rod 1, and the drain wire insulating tube 2 on the right side of the drain wire insulating rod 1 is located on the drain wire insulating support On the right side of the rod 1, the setting method of the drain wire fixing insulating tube 2 is suitable for current short-circuit bypass of the middle-phase live wire.

Fig. 7 is a schematic structural diagram of the supporting and fixing device for the remote phase live conductor provided in the third embodiment of the application; as shown in Fig. 7, as the third possible implementation of the application, when insulation and shielding equipment When it is the live wire of the remote phase, one end of the longitudinal support rod 11 is fixedly connected to the top of the clamp 4, and the other end of the longitudinal support rod 11 is fixedly connected to the center of the drain wire fixed insulating tube 2; the drain wire fixed insulating tube 2 is upward Bending to form a second bending angle 22, the second bending angle 22 is located at the connection between the second slanting rod 122 and the drain wire fixing insulating tube 2, at this time, the drain wire fixing insulating tube 2 located on the left side of the drain wire insulating rod 1 and the upper part They are all arranged on the right side of the insulating support rod 1 of the drain wire, and the arrangement of the fixed insulating tube 2 of the drain wire is suitable for short-circuiting and bypassing the live wires of the remote phase.

In the third possible implementation of the present application, the supporting and fixing device also includes a drain wire fixing frame 5, which is a square frame structure; the bottom of the drain wire fixing frame 5 is fixedly connected to the drain wire insulating support rod 1 Above: the drain wire fixing insulating tube 2 is fixedly connected to the side of the drain wire fixing frame 5 close to the second slanting bar 122 . When the equipment that needs insulation and shielding is the live wire of the remote phase, the fixed insulating tube 2 of the drain wire is bent upward to form a second bending angle 22, and the second bending angle 22 is located between the second oblique rod 122 and the fixed insulating tube 2 of the drain wire. At the junction, the upper part of the drain wire insulation support rod 1 is fixedly connected to the drain wire fixed frame 5, and the right side of the drain wire fixed frame 5 is fixedly connected to the bent drain wire fixed insulating tube, so as to realize the current short circuit of the remote phase live wire Bypass.

In a possible implementation manner, the supporting and fixing device further includes: a drain wire clip hanging ring 6, which is located at both ends of the drain wire fixing insulating tube 2, and the drain wire clip hanging ring 6 is used for The position of the drainage wire is fixed; the drainage wire clip 7 is located at both ends of the drainage wire, and the drainage wire clip 7 is detachably connected with the drainage wire clip hanging ring 6.

Fig. 8 is a schematic diagram of the structure of the drain wire clip of a supporting and fixing device for the insulated drain wire provided by an embodiment of the present application; as shown in Fig. 8, in a possible implementation mode, the drain wire clip 7 includes : the clamping part 71, the clamping part 71 is a closed arc structure, the clamping part 71 is detachably connected with the drain wire clip hanging ring 6; and the connector 72, the connector 72 is fixedly connected with the end of the drain wire , the pole operator selects the corresponding drainage wire support and fixing device, holds the drainage wire insulating hand-held rod 3, fixes the drainage wire support and fixing device on the cross arm, and holds the drainage wire to fix the drainage wire at both ends of the insulating tube 2 The wire clamps 7 are respectively installed at suitable positions on the main line side and the branch side of the branch pole of the 10KV line, so as to realize the conduction of the current bypass.

The specific working process of the supporting and fixing device for the insulating drain wire of the present application is as follows:

The climbing pole operator fixes the clamping plate 4 of the supporting and fixing device of the insulating drain wire on the cross arm, and the direction of the drain wire fixing insulating tube 4 is consistent with the direction of the branch line. One end uses an insulating operating rod to hang the drain wire clamp 7 on the power side wire, and the other end of the drain wire clamp hanging ring 6 uses an insulating operating rod to hang the drain wire clamp 7 on the load side wire, and the drain wire supports insulation through the drain wire. The rod 1 is supported on the cross arm and kept insulated from the cross arm. The drain wire is short-circuited with the main line side and the branch side through the drain wire clamp 7. Use an insulating rod type ammeter to detect the current. After the shunt is detected to be normal, use the insulation Pull the isolating switch or fuse with the operating lever, and use the insulation disconnector to cut the lead wire on the power side and load side of the isolating switch or fuse. On the power supply side of the isolating switch or fuse, keep a sufficient safe distance from the live body of the main line and the branch live body, remove and replace the defective equipment, evacuate the workers who climb the pole after installation, remove the shielding measures for the connecting and leading phases, and take care of the isolating switch or fuse After the connection is completed, close the isolation switch or fuse. After the current shunt is normal, remove the drain wire clamp 7 and return to the drain wire clamp hanging ring 6, and then insulate the drain wire by rotating the drain wire. Hold the rod 3 and remove the clamping plate 4 from the cross arm, and finally withdraw the drainage wire support and fixing device to complete the replacement of defective equipment.

The supporting and fixing device for insulating drain wires of the present application has a simple structure, is convenient to operate, and is easy to popularize. It can be effectively applied to the operation of replacing branch isolating switches or fuses of distribution lines under load in terrains that are not conducive to the development of insulating bucket trucks. Reduce power outage time and frequency, improve power supply reliability. The supporting and fixing device for the insulated drain wire of the present application can be applied to different branch lines, and can be used in the far side phase, the middle phase and the near side phase, which is safe, reliable and high in use efficiency.

The basic principles of the present application have been described above in conjunction with specific embodiments, but it should be pointed out that the advantages, advantages, effects, etc. mentioned in the application are only examples rather than limitations, and these advantages, advantages, effects, etc. Various embodiments of this application must have. In addition, the specific details disclosed above are only for the purpose of illustration and understanding, rather than limitation, and the above details do not limit the application to be implemented by using the above specific details.

The block diagrams of devices, devices, devices, and systems involved in this application are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagrams. As will be appreciated by those skilled in the art, these devices, devices, devices, systems may be connected, arranged, configured in any manner. Words such as "including", "comprising", "having" and the like are open-ended words meaning "including but not limited to" and may be used interchangeably therewith. As used herein, the words "or" and "and" refer to the word "and/or" and are used interchangeably therewith, unless the context clearly dictates otherwise. As used herein, the word "such as" refers to the phrase "such as but not limited to" and can be used interchangeably therewith.

It should also be pointed out that in the device and equipment of the present application, each component or each step can be decomposed and/or reassembled. These decompositions and/or recombinations should be considered equivalents of this application.

The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features of the invention herein.

The above is only a preferred embodiment of the invention of the application, and is not intended to limit the creation of the application. Any modifications, equivalent replacements, etc. made within the spirit and principles of the invention of the application shall be included in the application. within the scope of protection created.

Claims (10)

1. The utility model provides a support fixing device of insulating drainage wire which characterized in that: the support fixing device is used for fixing on the cross arm, the support fixing device includes:

a drainage wire insulation support rod (1);

the drainage wire fixing insulating tube (2) is fixedly connected to the drainage wire insulating support rod (1), and the drainage wire fixing insulating tube (2) is used for placing a drainage wire;

a drainage wire insulation handheld rod (3);

the clamping plate (4), the clamping plate (4) is of a U-shaped structure; the drainage wire insulation hand-held rod is characterized in that one side of the clamping plate (4) is provided with an opening, the cross arm is clamped into the clamping plate (4) from the opening of the clamping plate (4), the bottom of the clamping plate (4) is fixedly connected with the drainage wire insulation hand-held rod (3), and the top of the clamping plate (4) is fixedly connected with the drainage wire insulation support rod (1).

2. The supporting and fixing device for the insulated drainage wire of claim 1, wherein: the bottom of the clamping plate (4) is provided with a connecting hole (41) allowing the insulating handheld rod (3) of the drainage wire to penetrate through, and the inner wall of the connecting hole (41) is provided with an internal thread.

3. The supporting and fixing device for the insulated drainage wire of claim 2, wherein: the insulating handheld pole of drainage wire (3) includes:

a handheld unit (31);

the diameter of the connecting unit (32) is smaller than that of the handheld unit (31), external threads are formed in the periphery of the connecting unit (32), and the connecting unit (32) is in threaded connection with a connecting (41) hole in the bottom of the clamping plate (4); and

the jacking unit (33), the jacking unit (33) is fixedly connected at the end of the connecting unit (32), and the jacking unit (33) is used for jacking or loosening the cross arm.

4. The supporting and fixing device for the insulated drainage wire of claim 3, wherein: the handheld unit (31) and the connecting unit (32) are of an integrally formed structure.

5. The supporting and fixing device for the insulated drainage wire of claim 1, wherein: drainage wire insulating support pole (1) includes:

one end of the longitudinal supporting rod (11) is fixedly connected to the top of the clamping plate, and the other end of the longitudinal supporting rod is fixedly connected to the center of the drainage wire fixing insulating tube;

the inclined rod (12) comprises a first inclined rod (121) and a second inclined rod (122), one end of the first inclined rod (121) and one end of the second inclined rod (122) are fixedly connected to the bottom of the longitudinal supporting rod (11), the other end of the first inclined rod (121) and the other end of the second inclined rod (122) are symmetrically and fixedly connected to the two sides of the center of the drainage wire fixing insulating tube (2), and the first inclined rod (121) and the second inclined rod (122) are of a V-shaped structure.

6. The supporting and fixing device for the insulated drainage wire of claim 5, wherein: the drainage wire fixing insulating tube (2) is bent upwards to form a first bending angle (21), and the first bending angle (21) is located at the joint of the first inclined rod (121) and the drainage wire fixing insulating tube (2).

7. The supporting and fixing device for the insulated drainage wire of claim 5, wherein: the drainage wire fixing insulating tube (2) is bent upwards to form a second bending angle (22), and the second bending angle (22) is located at the joint of the second diagonal rod (122) and the drainage wire fixing insulating tube (2).

8. The supporting and fixing device for the insulated drainage wire of claim 7, wherein: the supporting and fixing device also comprises a drainage wire fixing frame (5), and the drainage wire fixing frame (5) is of a square frame structure;

the bottom of the drainage wire fixing frame (5) is fixedly connected to the drainage wire insulating support rod (1);

and the drainage wire fixing insulating tube (2) is fixedly connected to one side, close to the second inclined rod (122), of the drainage wire fixing frame (5).

9. The supporting and fixing device for the insulated drainage wire of claim 1, wherein: the supporting and fixing device further comprises:

the drainage wire clamp hanging rings (6) are positioned at two ends of the drainage wire fixing insulating tube (2), and the drainage wire clamp hanging rings (6) are used for fixing the position of a drainage wire;

the drainage wire clamp (7), drainage wire clamp (7) are located the both ends of drainage wire, just drainage wire clamp (7) with the connection can be dismantled in drainage wire clamp link (6).

10. The supporting and fixing device for the insulated drainage wire of claim 9, wherein: the drainage wire clamp (7) comprises:

the clamping part (71), the clamping part (71) is of a closable arc-shaped structure, and the clamping part (71) is detachably connected with the drainage wire clamp hanging ring (6); and

a connector (72), connector (72) with the end connection of drainage wire (2).

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