CN217642619U

CN217642619U - Access power grid architecture

Info

Publication number: CN217642619U
Application number: CN202221315957.1U
Authority: CN
Inventors: 钟策; 姜树伟; 刘举祥; 邓小南; 欧丰华; 莫晶晶; 王镇烁; 曾广烽; 王晓然; 何少威; 陈戈; 刘沃历; 尹萍
Original assignee: Guangdong Shunde Electric Power Design Institute Co ltd
Current assignee: Guangdong Shunde Electric Power Design Institute Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-21
Anticipated expiration: 2032-05-27

Abstract

The utility model relates to a power grid power supply technical field discloses an insert electric wire netting framework, installs on the strutting arrangement who supports the electric wire netting circuit, including lead wire, isolator, connecting wire and the electrical property adaptor of electricity connection in proper order, the lead wire: one end of the power supply is electrically connected with a power grid line; an isolating switch: the first connecting end is electrically connected with the other end of the lead; connecting a wire: one end of the first connecting rod is electrically connected with the first connecting end of the isolating switch; the ground connection end: used for being electrically connected with a peripheral ground wire; an electrical property adapter: having an access end and an access end; the access end is used for being electrically connected with peripheral power supply equipment, and the output end is electrically connected with the other end of the connecting line; the utility model can be disassembled and assembled, can be installed on different supporting devices for supporting the power grid line, and has strong applicability; and the disassembly and the assembly are easy, the operation time can be shortened, the operation is simple and convenient, the operation time is short, and the operation cost is low.

Description

Access power grid architecture

Technical Field

The utility model relates to a power grid power supply technical field, more specifically relates to an insert electric wire netting framework.

Background

With the continuous development of the power industry, the requirement of a user on the power consumption quality is higher and higher, and when a power supply enterprise carries out planned maintenance or fault first-aid repair on a 10kV power distribution network line, the power supply enterprise usually adopts a mode of accessing a power generation car to temporarily supply power to the user on the line in order to avoid the loss of the power failure to the user. More and more applications of the generator cars for temporarily supplying power to 10kV lines are provided, and how the generator cars are rapidly connected to a power distribution line without power outage becomes an important topic.

At present, a 10kV power generation car access line mainly adopts two modes, firstly, the power generation car is accessed in a power distribution room with a standby switch cabinet, the standby switch cabinet has high manufacturing cost and large occupied area, and equipment resource waste is also caused, so the installation is generally less, and the access mode is less in applicable scenes; and secondly, the generator car is connected into a line in an overhead line scene in a live working mode, but the live working safety requirement is high, and the defects of high working cost, long working time and the like exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at overcoming above-mentioned prior art's at least one defect, provide an access electric wire netting framework for it is high to solve the cost, technical problem that the activity duration is long.

The utility model discloses the technical scheme who takes is, an access electric wire netting framework installs on the strutting arrangement who supports the electric wire netting circuit, including lead wire, isolator, connecting wire and the electrical property adaptor of electricity connection in proper order, the lead wire: one end of the power supply is electrically connected with a power grid line; an isolating switch: the first connecting end is electrically connected with the other end of the lead; connecting a wire: one end of the first connecting end is electrically connected with the first connecting end of the isolating switch; the ground connection end: for electrical connection to an external ground; an electrical property adapter: having an access end and an access end; the access end is used for being electrically connected with peripheral power supply equipment, and the access end is electrically connected with the other end of the connecting wire.

The lead is used for electric conduction between the isolating switch and a power grid line, the connecting line is used for electric conduction between the isolating switch and the electric adapter, the electric adapter is used for being connected into external power supply equipment, and the isolating switch is used for controlling on-off of a circuit between the lead and the connecting line; the ground connection link is used for connecting the ground wire, plays the safety protection effect.

When the power supply device is connected, the disconnecting switch is confirmed to be in a disconnected state, the framework is grounded by hanging a grounding wire on a grounding connecting end, then the power supply device is connected into the electrical adapter and fixed, the grounding wire is taken down from the grounding connecting end, the disconnecting switch is connected, and finally the power supply device is started to supply power to the power grid line; when the grounding connection end is detached, the disconnecting switch is checked to be in the pulling-open position, namely the detachment of the generator car is finished, and the framework is restored to the standby state.

The lead, the isolating switch, the connecting wire and the electrical property adapter are all arranged on the supporting device, so that the ground is not occupied, and the manufacturing cost is relatively low; moreover, compared with the switch cabinet in the prior art, the switch cabinet can be disassembled and assembled, can be installed on different supporting devices for supporting the power grid line, and has strong applicability; the power supply device is easy to disassemble and assemble, the operation time can be shortened, the power supply of the power supply equipment can be realized through the hanging connection of the grounding wire and the opening and closing of the switch during operation, the mode is simple and convenient to operate, the operation time is short, and the operation cost is low.

Furthermore, the electrical adapter is a copper bar, and the copper bar has good electrical conductivity, thermal conductivity, corrosion resistance, electroplating property and soldering property, and can ensure the power supply stability of the power supply equipment.

Further, the both ends of connecting wire are connected with copper aluminium transition terminal respectively, the copper aluminium transition terminal of connecting wire one end is connected with isolator's second link electricity, the copper aluminium transition terminal of the connecting wire other end is connected with the output electricity that connects of electrical property adaptor, and the electric potential of copper aluminium is different, and the part of copper aluminium contact can be because the oxidation of former battery reaction acceleration aluminium wire, and it is bad that copper aluminium joint department can contact to have been good for a long time, links up through copper aluminium transition terminal, can be fine overcome the defect of contact failure, improves the holistic security performance of framework and life.

Furthermore, the ground connection end is a composite pillar ground hanging ring, the composite pillar ground hanging ring is used for hanging a ground wire, and the composite pillar ground hanging ring and the ground wire can be quickly hung and disconnected, so that the overall operation time of the framework can be effectively shortened, and the operation efficiency is improved.

Furthermore, the distances between the lead, the isolating switch, the connecting wire, the grounding connecting end, the electric property adapter and the ground of the fixed supporting device are all larger than four meters, so that the sufficient safety distance between the lead, the isolating switch, the connecting wire, the grounding connecting end, the electric property adapter and the ground of the fixed supporting device is ensured, and the safety when the lead is connected into a 10kV power generation vehicle is ensured.

Furthermore, a gap arrester is arranged on the lead and electrically connected with an external grounding wire, the gap arrester can play a lightning protection role, and the safety of the whole framework in the using process is effectively improved.

Further, be provided with porcelain cross arm insulator on the lead wire, porcelain cross arm insulator installs on strutting arrangement. The porcelain cross arm insulator is used for insulating and supporting the lead, has the advantages of being good in self-cleaning performance, simple to maintain, capable of saving line materials, low in manufacturing cost, safe and reliable in operation and capable of effectively improving the insulation performance and the stability of the lead.

Furthermore, one end of the lead is connected with the power grid line through the C-shaped wire clamp, the C-shaped wire clamp is made of high-strength alloy with good conductivity, the overcurrent capacity is strong, stable pressure load is formed on the lead, the optimal requirement of lead connection of continuous current is met, and the connection stability of the lead and the power grid line is ensured.

Furthermore, the composite post insulator is arranged on the electric property adapter and is installed on the supporting device, and the composite post insulator is small in size, light in weight, strong in shock resistance and impact resistance, free of manual cleaning and capable of guaranteeing the overall safe operation of the framework.

Furthermore, when the electric pole is used as a supporting device, the isolating switch is installed on the supporting device through the cross arm, the cross arm for installing the isolating switch is connected to the supporting device through oblique pull irons, the cross arm for installing the isolating switch and the supporting device form a triangular structure, the oblique pull irons mainly play a role of obliquely pulling the base plate of the fixed switch, the cross arm and the supporting device form the triangular structure together with the base plate of the fixed switch, and the high stability is achieved.

Compared with the prior art, the beneficial effects of the utility model are that: the lead, the isolating switch, the connecting wire and the electric adapter are all arranged on the supporting device, so that the ground is not occupied, and the manufacturing cost is relatively low; moreover, compared with the switch cabinet in the prior art, the switch cabinet can be disassembled and assembled, can be installed on different supporting devices for supporting the power grid line, and has strong applicability; the power supply device is easy to disassemble and assemble, the operation time can be shortened, the power supply of the power supply equipment can be realized through the hanging connection of the grounding wire and the opening and closing of the switch during operation, the mode is simple and convenient to operate, the operation time is short, and the operation cost is low.

Drawings

Fig. 1 is a front view of a supporting device according to a first embodiment of the present invention.

Fig. 2 is a side view of a supporting device according to a first embodiment of the present invention.

Fig. 3 is a structural diagram of a cross arm for mounting a disconnector according to a first embodiment of the present invention.

Fig. 4 is an enlarged view of a portion of the structure of fig. 2.

Fig. 5 is an enlarged view of a portion B of fig. 1 according to the present invention.

Fig. 6 is a front view of a supporting device according to a second embodiment of the present invention.

Fig. 7 is a side view of a supporting device according to a second embodiment of the present invention.

In the figure: 1 lead wire, 2 isolator, 3C type fastener, 4 clearance arresters, 5 connecting wires, 6 porcelain cross arm insulators, 7 electric property adaptor, 8 copper aluminium transition terminals, 9 ground connection link, 10 compound post insulators, 11 cross arms, 12I type staple bolts, 13 oblique-pulling irons, 14 switch bottom plates, 15 screw rod components, 16 strutting arrangement.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The utility model provides an access power grid framework, which can be used for quickly accessing power generation equipment into a power grid line for power supply and is arranged on a supporting device for supporting the power grid line; the supporting device can be an electric pole, an electric tower or other devices for supporting a power grid line, and the power generation equipment can be power generation cars, generators and other equipment for generating power; the utility model discloses make the quick access that does not have a power failure of generator car when mainly used 10kV electric wire netting circuit carries out interim power supply.

Example one

As shown in fig. 1: the utility model provides an access electric wire netting framework installs on the strutting arrangement 16 that supports the electric wire netting circuit, includes lead wire 1, isolator 2, connecting wire 5 and the electrical property adaptor 7 of electricity connection in proper order, lead wire 1: one end of the power supply is electrically connected with a power grid line; and (3) an isolating switch 2: the lead wire 1 is provided with a first connecting end and a second connecting end, and the first connecting end is electrically connected with the other end of the lead wire 1; connecting wire 5: one end of the isolating switch is electrically connected with the second connecting end of the isolating switch 2 and is electrically connected with a grounding connecting end 9; ground connection 9: for electrical connection to an external ground; electrical property adaptor 7: having an access end and an access end; the access end is used for being electrically connected with peripheral power supply equipment, and the output end is electrically connected with the other end of the connecting wire 5.

The isolating switch 2 is made of silicon rubber insulating materials, so that the weight of a product is reduced, the isolating switch has good hydrophobic performance, an insulating hook rod is used when the switch is switched on and off, and a self-locking device is arranged on a switch blade of an operating mechanism; the locking device of the switch is made of high-quality stainless steel, and the safety of opening and closing can be effectively improved, so that the safety of the whole framework is improved.

The lead wire 1 is used for electric conduction between the isolating switch 2 and a power grid line, the connecting wire 5 is used for electric conduction between the isolating switch 2 and the electric adapter 7, the electric adapter 7 is used for being connected into external power supply equipment, and the isolating switch 2 is used for controlling on-off of a circuit between the lead wire 1 and the connecting wire 5; the grounding connection end 9 is used for connecting a ground wire, and plays a role in safety protection.

When the power supply device is connected, the disconnecting switch 2 is confirmed to be in a disconnected state, the framework is grounded by hanging a grounding wire on the grounding connecting end 9, then the power supply device is connected to the electrical adapter 7 and fixed, the grounding wire is taken down from the grounding connecting end 9, the disconnecting switch 2 is connected, and finally the power supply device is started to supply power to a power grid line; when dismantling, make the generator car stop work earlier, pull open isolator 2, carry out ground connection to the framework through articulating the earth connection on ground connection link 9, guarantee to dismantle the generator car from electrical property adaptor 7 after the framework is uncharged, dismantle the earth connection on ground connection link 9 again, check isolator 2 is in and pulls open the position, accomplish dismantling of generator car promptly, and the framework resumes standby state promptly.

The lead wire 1, the isolating switch 2, the connecting wire 5 and the electrical property adapter 7 which are related in the utility model are all arranged on the supporting device 16, thus not occupying the ground and having relatively low manufacturing cost; moreover, compared with the switch cabinet in the prior art, the switch cabinet can be disassembled and assembled, can be arranged on different supporting devices 16 for supporting the power grid line, and has strong applicability; the power supply device is easy to disassemble and assemble, the operation time can be shortened, the power supply of the power supply equipment can be realized through the hanging connection of the grounding wire and the opening and closing of the switch during operation, the mode is simple and convenient to operate, the operation time is short, and the operation cost is low.

The grounding connection end 9 is a composite post grounding suspension loop for suspending a grounding wire, when the composite post insulator 10 is installed, firstly, a cross arm 11 is installed on a supporting device 16, and then the composite post insulator 10 is fixed on the cross arm 11; the composite post insulator 10 can reduce the height of the tower, and can save a large amount of manpower, material resources and financial resources; the structure is compact, the quality is high, the weight is 1/10 of that of porcelain and glass insulators of the same grade, and the transportation and the installation are very convenient; the composite support grounding hanging ring and the grounding wire can realize quick hanging and disconnection, the overall operation time of the framework can be effectively shortened, and the operation efficiency is improved; the distances between the lead 1, the isolating switch 2, the connecting wire 5, the grounding connecting end 9, the electric adapter 7 and the ground of the fixed supporting device 16 are all larger than four meters, so that the sufficient safety distance between the lead and the ground is ensured, and the safety when the lead is connected into a 10kV power generation vehicle is ensured.

As shown in fig. 2, the gap lightning arrester 4 is arranged on the lead 1, the gap lightning arrester 4 is electrically connected with an external grounding wire, and the gap lightning arrester 4 can play a lightning protection role, so that the safety of the whole framework in the use process is effectively improved; a ceramic cross arm insulator 6 is arranged on the lead 1, and the ceramic cross arm insulator 6 is arranged on a supporting device 16; when the porcelain cross arm insulator 6 is installed, firstly, a cross arm 11 is installed on a supporting device 16, and then the porcelain cross arm insulator 6 is fixed on the cross arm 11; the porcelain horizontal pole insulator is used for insulating and supporting the lead 1, can replace a suspension insulator and a pin insulator, is formed by gluing a solid non-breakdown porcelain piece and a metal accessory, has the advantages of good self-cleaning property, simplicity in maintenance, circuit material saving, low manufacturing cost and safety and reliability in operation, and can effectively improve the insulation property and stability of the lead 1; one end part of the lead 1 is connected with a power grid line through the C-shaped wire clamp 3, the C-shaped wire clamp 3 is made of high-strength alloy with good conductivity, the overcurrent capacity is strong, stable pressure load is formed on the lead, and electric compound grease with strong conductivity and corrosion resistance, oxidation resistance and hydrophobicity is coated on the lead, so that the lead made of different materials can be well contacted, the optimal requirement of lead connection of continuous current is met, and the connection stability of the lead 1 and the power grid line is ensured.

As shown in fig. 3, when the electric pole is used as the supporting device 16, the isolating switch 2 is firstly installed on the supporting device 16 through the cross arm 11, the cross arm 11 for installing the isolating switch 2 is connected on the supporting device 16 through the diagonal tie 13, and the diagonal tie 13, the cross arm 11 for installing the isolating switch 2 and the supporting device 16 form a triangular structure, when the isolating switch 2 is installed, firstly the two transverse cross arms 11 are fixed on the supporting device 16 through the screw rod assembly 15 (namely, a screw rod and a nut), then the two longitudinal cross arms 11 are fixed on the two transverse cross arms 11, finally the switch bottom plate 14 is fixed on the two longitudinal cross arms 11, and then the isolating switch 2 is installed on the switch bottom plate 14, the diagonal tie 13 mainly plays a role of diagonally fixing the switch bottom plate 14, and forms a triangular structure with the cross arm 11 for fixing the switch bottom plate 14 and the supporting device 16, so that the isolating switch 2 has extremely high stability, the installation strength of the isolating switch 2 is ensured, and the safety of the isolating switch 2 during switching is improved; the diagonal draw iron 13 is connected with the supporting device 16 through an I-shaped hoop 12; the I-shaped hoop 12 is convenient to disassemble and assemble, and the disassembling and assembling speed of the diagonal draw iron 13 is improved.

As shown in fig. 4 and 5, the electrical adapter 7 is a copper bar, which has good electrical conductivity, thermal conductivity, corrosion resistance, electroplating property and soldering property, and can ensure the stability of power supply of the power supply device; the both ends of connecting wire 5 are connected with copper aluminium transition terminal 8 respectively, the copper aluminium transition terminal 8 of 5 one ends of connecting wire is connected with isolator 2's second link electricity, the copper aluminium transition terminal 8 of the 5 other ends of connecting wire is connected with the delivery end electricity of electrical property adaptor 7, because the aluminium wire quality is light, and is with low costs, be convenient for the transportation, advantages such as construction convenience, connecting wire 5 all is aluminium system material usually, in order to ensure hookup location's electric conductivity, electrical property adaptor 7 and isolator 2's junction adopts copper material usually, the electric potential of copper aluminium is different, the part of copper aluminium contact can be because the oxidation of former battery reaction acceleration aluminium wire, the time copper aluminium joint department of having a specified duration can contact badly. In addition, because the elastic modulus and the thermal expansion coefficient of copper and aluminum are greatly different, after multiple hot and cold cycles (power on and power off) are carried out in operation, a larger gap is generated at a contact point to influence the contact, the contact resistance is also increased, the increase of the contact resistance can cause the temperature rise in operation, the corrosion and oxidation are intensified at high temperature, vicious cycle is generated to further deteriorate the connection quality, and finally, the accidents of smoke generation, burning and the like can be caused at the overhigh temperature of a connection part; the copper-aluminum transition terminals 8 are connected, so that the defects can be well overcome, the overall safety performance of the framework is improved, and the service life of the framework is prolonged.

The composite post insulator 10 is arranged on the electric changeover part 7, the composite post insulator 10 is arranged on the supporting device 16, the height of the pole tower can be reduced by the composite post insulator 10, and a large amount of manpower, material resources and financial resources can be saved; the structure is compact, the quality is high, the weight is 1/10 of that of the porcelain and glass insulators of the same grade, and the transportation and the installation are very convenient.

The support device 16 in this embodiment is an electric pole, and is mainly based on the most typical electric pole with a height of 15m, and can be installed by adjusting the distance between the insulator, the cross arm 11 and the hoop at other heights, and the same is applicable.

Example two

As shown in fig. 6 and 7: the utility model provides an access electric wire netting framework installs on the strutting arrangement 16 that supports the electric wire netting circuit, includes lead wire 1, isolator 2, connecting wire 5 and the electrical property adaptor 7 of electricity connection in proper order, lead wire 1: one end of the power supply is electrically connected with a power grid line; and (3) an isolating switch 2: the lead wire 1 is provided with a first connecting end and a second connecting end, and the first connecting end is electrically connected with the other end of the lead wire 1; connecting wire 5: one end of the first connecting rod is electrically connected with the second connecting end of the isolating switch 2 and is electrically connected with a grounding connecting end 9; ground connection 9: for electrical connection to an external ground; electrical property adaptor 7: having an access end and an access end; the access end is used for being electrically connected with peripheral power supply equipment, and the access end is electrically connected with the other end of the connecting wire 5.

When the power supply device is connected, the disconnecting switch 2 is confirmed to be in a disconnected state, the framework is grounded by hanging a grounding wire on the grounding connecting end 9, then the power supply device is connected to the electrical adapter 7 and fixed, the grounding wire is taken down from the grounding connecting end 9, the disconnecting switch 2 is connected, and finally the power supply device is started to supply power to a power grid line; when the generator car is dismounted, the generator car is firstly stopped, the isolating switch 2 is pulled open, the framework is grounded by hanging the grounding wire on the grounding connecting end 9, the generator car is dismounted from the electrical adapter 7 after the framework is not electrified, then the grounding wire on the grounding connecting end 9 is dismounted, the isolating switch 2 is checked to be in the pulling open position, the dismounting of the generator car is completed, and the framework is restored to the standby state.

When the composite post insulator 10 is installed, firstly, a cross arm 11 is installed on a supporting device 16, and then the composite post insulator 10 is fixed on the cross arm 11; the composite post insulator 10 can reduce the height of the tower, and can save a large amount of manpower, material resources and financial resources; the structure is compact, the quality is high, the weight is 1/10 of that of porcelain and glass insulators of the same grade, and the transportation and the installation are very convenient; and the composite support grounding suspension loop and the grounding wire can realize quick hanging and disconnection, the overall operation time of the framework can be effectively shortened, and the operation efficiency is improved.

The distances between the lead 1, the isolating switch 2, the connecting wire 5, the grounding connecting end 9, the electric adapter 7 and the ground of the fixed supporting device 16 are all more than four meters, so that the enough safety distance between the lead and the ground is ensured, and the safety when the lead is connected into a 10kV power generation vehicle is ensured; the gap lightning arrester 4 is arranged on the lead 1, the gap lightning arrester 4 is electrically connected with an external grounding wire, and the gap lightning arrester 4 can play a lightning protection role, so that the safety of the whole framework in the using process is effectively improved; a ceramic cross arm insulator 6 is arranged on the lead 1, and the ceramic cross arm insulator 6 is arranged on a supporting device 16; when the porcelain cross arm insulator 6 is installed, firstly, a cross arm 11 is installed on a supporting device 16, and then the porcelain cross arm insulator 6 is fixed on the cross arm 11; the porcelain horizontal pole insulator is used for insulating and supporting the lead 1, can replace a suspension insulator and a pin insulator, is formed by gluing a solid non-breakdown porcelain piece and a metal accessory, has the advantages of good self-cleaning property, simplicity in maintenance, circuit material saving, low manufacturing cost, safety and reliability in operation, and can effectively improve the insulation property and the stability of the lead 1.

One end part of the lead 1 is connected with a power grid line through the C-shaped wire clamp 3, the C-shaped wire clamp 3 is made of high-strength alloy with good conductivity, the overcurrent capacity is strong, stable pressure load is formed on the lead, and electric compound grease with strong conductivity, corrosion resistance, oxidation resistance and hydrophobicity is coated on the lead, so that the lead made of different materials can be well contacted, the optimal requirement of lead connection of continuous current is met, and the connection stability of the lead 1 and the power grid line is ensured; when the electric tower is used as the supporting device 16, the isolating switch 2 is directly arranged on the supporting device through the cross arm 11; the electric adapter 7 is a copper bar which has good electric conductivity, thermal conductivity, corrosion resistance, electroplating property and soldering property, and can ensure the power supply stability of the power supply equipment.

The both ends of connecting wire 5 are connected with copper aluminium transition terminal 8 respectively, the copper aluminium transition terminal 8 of 5 one ends of connecting wire is connected with isolator 2's second link electricity, the copper aluminium transition terminal 8 of the 5 other ends of connecting wire is connected with the delivery end electricity of electrical property adaptor 7, because the aluminium wire quality is light, and is with low costs, be convenient for the transportation, advantages such as construction convenience, connecting wire 5 all is aluminium system material usually, in order to ensure hookup location's electric conductivity, electrical property adaptor 7 and isolator 2's junction adopts copper material usually, the electric potential of copper aluminium is different, the part of copper aluminium contact can be because the oxidation of former battery reaction acceleration aluminium wire, the time copper aluminium joint department of having a specified duration can contact badly. In addition, because the elastic modulus and the thermal expansion coefficient of copper and aluminum are greatly different, after multiple hot and cold cycles (power on and power off) are carried out in operation, a larger gap is generated at a contact point to influence the contact, the contact resistance is also increased, the increase of the contact resistance can cause the temperature rise in operation, the corrosion and oxidation are intensified at high temperature, vicious cycle is generated to further deteriorate the connection quality, and finally, the accidents of smoke generation, burning and the like can be caused at the overhigh temperature of a connection part; the copper-aluminum transition terminals 8 are connected, so that the defects can be well overcome, the overall safety performance of the framework is improved, and the service life of the framework is prolonged.

The composite post insulator 10 is arranged on the electric property adapter 7, the composite post insulator 10 is arranged on the supporting device 16, the composite post insulator 10 can reduce the height of a tower, and a large amount of manpower, material resources and financial resources can be saved; the structure is compact, the quality is high, the weight is 1/10 of that of the same-grade porcelain and glass insulators, and the transportation and the installation are very convenient.

The supporting device 16 in this embodiment is an electric tower, and is designed mainly based on an electric tower with a maximum height of 10.5m, and can be installed by adjusting the distance between the insulator, the cross arm 11 and the hoop at other heights, and is also applicable.

This framework possesses the advantage of inserting the circuit fast and need not the power failure operation with the power generation car, has shortened the access operating time of power generation car greatly, has also promoted the access and has demolishd the security of operation, only needs pole or the electricity tower of selecting suitable position on the circuit to carry out the stationing installation, can realize the quick access of not having a power failure of 10kV power generation car, has effectively promoted guarantor's efficiency and quality, has improved the reliability of supplying power.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not limitations to the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. The utility model provides an access electric wire netting framework installs on the strutting arrangement who supports the electric wire netting circuit which characterized in that: the device comprises a lead, an isolating switch, a connecting wire and an electrical adapter which are electrically connected in sequence;

leading wires: one end of the power supply is electrically connected with a power grid line;

an isolating switch: the first connecting end is electrically connected with the other end of the lead;

connecting a wire: one end of the first connecting end is electrically connected with the first connecting end of the isolating switch;

the ground connection end: for electrical connection to an external ground;

an electrical property adaptor: having an access end and an access end; the access end is used for being electrically connected with peripheral power supply equipment, and the output end is electrically connected with the other end of the connecting wire.

2. An access grid architecture according to claim 1, characterized in that: the electrical property adaptor is a copper bar.

3. An access grid architecture according to claim 1, characterized in that: the two ends of the connecting wire are respectively connected with a copper-aluminum transition terminal, the copper-aluminum transition terminal at one end of the connecting wire is electrically connected with the second connecting end of the isolating switch, and the copper-aluminum transition terminal at the other end of the connecting wire is electrically connected with the connecting outlet end of the electrical adapter.

4. An access grid architecture according to claim 1, characterized in that: the grounding connecting end is a composite strut grounding hanging ring.

5. An access grid architecture as claimed in claim 1, wherein: the distances between the lead, the isolating switch, the connecting wire, the grounding connecting end, the electrical property adapter and the ground of the fixed supporting device are all larger than four meters.

6. An access grid architecture according to claim 1, characterized in that: and a gap lightning arrester is arranged on the lead and is electrically connected with an external grounding wire.

7. An access grid architecture according to any one of claims 1 to 6, wherein: be provided with porcelain cross arm insulator on the lead wire, porcelain cross arm insulator is installed on strutting arrangement.

8. An access grid architecture according to claim 7, wherein: and one end part of the lead is connected with a power grid line through a C-shaped wire clamp.

9. An access grid architecture according to any of claims 1-6, characterized in that: and a composite post insulator is arranged on the electric property adapter, and the composite post insulator is arranged on the supporting device.

10. An access grid architecture according to any of claims 1-6, characterized in that: when the electric pole is adopted as the supporting device, the isolating switch is installed on the supporting device through the cross arm, the cross arm for installing the isolating switch is connected to the supporting device through the oblique pull iron, and the oblique pull iron, the cross arm for installing the isolating switch and the supporting device form a triangular structure.