CN218206053U

CN218206053U - Do two return circuit cable outlet steel pipe pole of style of calligraphy

Info

Publication number: CN218206053U
Application number: CN202222316160.XU
Authority: CN
Inventors: 陈亮; 张选平; 李小兵
Original assignee: Wuhan United Power Design&engineering Co ltd
Current assignee: Wuhan United Power Design&engineering Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-03
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a two return circuit cable steel pipe pole of doing style of calligraphy, including base tower and wire strain insulator string, the terminal fixed mounting of top diameter of base tower has wire strain insulator string and wire to draw down insulator string, and wire strain insulator string and wire draw down insulator string electric connection, the terminal fixed mounting of wire strain insulator string has the main part of leading a wire, and the main part top outside fixed mounting that leads a wire has T type cable clamp, and T type cable clamp passes through the arrester lead wire and equipment fastener bulk interconnect, equipment fastener main part fixed mounting is in the bottom of metal oxide arrester, and the top of metal oxide arrester and the top support fixed connection of base tower. This two return circuit cable downlead steel pipe poles of dry style of calligraphy, this design shaft tower can concentrate cable terminal downlead poles of both sides on the base tower, adopts this design can follow base tower both sides cable down simultaneously, solves the short scheduling problem in tower space that stands, practices thrift the soil, saves the investment.

Description

Do two return circuit cable outlet steel pipe pole of style of calligraphy

Technical Field

The utility model relates to a power transmission and transformation technical field specifically is a two return circuit cable downlead steel pipe poles of dry style of calligraphy.

Background

The power transmission and transformation is used for carrying out the in-process that carries out the transformer and rise voltage at electric current to can make electric current reduce the loss that generates heat, at the in-process of putting up power transmission and transformation is whole, need support the pole, but the steel-pipe pole still has following problem under the cable on the market at present:

in urban power transmission and transformation engineering, built overhead transmission lines are often opened by pi and are connected into a newly-built transformer substation, after the pi is opened, overhead lines on two sides are respectively and newly-built cable terminal rods are connected into the transformer substation by adopting cable lines, usually, the terminal rods on two sides respectively occupy a land block and keep a certain distance, and the occupied space is large.

Aiming at the problems, the innovative design is carried out on the basis of the original line steel pipe pole of the dry-shaped double-circuit cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a do two return circuit cable steel pipe pole down line of style of calligraphy to solve the two return circuit cable steel pipe poles down line of the common style of calligraphy on the existing market that proposes in the above-mentioned background art, in city power transmission and transformation engineering, often "pi" opens and has built overhead transmission line and insert newly-built transformer substation, pi "opens back both sides overhead line and newly-built cable terminal pole respectively and adopts cable run to insert transformer substation, usually both sides terminal pole occupies the piece of land and keeps the certain distance respectively, the space occupies bigger problem.

In order to achieve the above object, the utility model provides a following technical scheme: a T-shaped dual-loop cable down-line steel pipe pole comprises a base pole tower and a lead tension string, wherein the tail end of the diameter of the top end of the base pole tower is fixedly provided with the lead tension string and a lead down insulator string, the lead tension string is electrically connected with the lead down insulator string, the tail end of the lead tension string is fixedly provided with a lead main body, the outer side of the top end of the lead main body is fixedly provided with a T-shaped wire clamp, the T-shaped wire clamp is connected with an equipment wire clamp main body through a lightning arrester lead, the equipment wire clamp main body is fixedly arranged at the bottom end of a metal oxide lightning arrester, the top end of the metal oxide lightning arrester is fixedly connected with a top end support of the base pole tower, the metal oxide lightning arrester is electrically connected with a lightning arrester counter lead, the bottom end of the lead main body is electrically provided with a down-lead inverted insulator string, and the outer side of the bottom end of the lead main body is fixedly provided with the T-shaped wire clamp, the T-shaped wire clamp is connected with the copper-aluminum transition equipment wire clamp through a jumper wire, the copper-aluminum transition equipment wire clamp is fixedly installed at the top end of a cable head, the cable head and a downlead inverted insulator string are fixedly installed on a support outside the bottom end of a base tower, a coaxial cable, a cable main body and a grounding cable are electrically installed at the bottom end of the cable head, the coaxial cable, the cable main body and the grounding cable are wound and fixed through a glass fiber adhesive tape, the outer sides of the cable main body and the grounding cable penetrate through the cable hoop, the cable hoop is fixedly installed on the outer surface of the bottom end of the base tower, a cable protection pipe is sleeved and installed on the outer side of the bottom end of the cable main body and penetrates through the cable protection pipe hoop, the cable protection pipe is fixedly installed on the outer surface of the bottom end of the base tower, a binding belt is installed on the outer side of the bottom end of the grounding cable, and a second copper terminal is fixedly installed on the outer surface of the base tower, and the second copper terminal is electrically connected with the grounding cable, a grounding box support is fixedly installed on the outer surface of the bottom end of the base tower, a grounding box main body is fixedly installed on the outer side of the grounding box support and is electrically connected with the coaxial cable, an arrester counter main body is installed below the grounding box main body and is fixedly connected with the outer surface of the base tower, and a first copper terminal is installed on the arrester counter main body.

Preferably, the base tower and the conductor tension string are symmetrically distributed about the longitudinal center line of the base tower.

Preferably, the lead body is electrically connected with the metal oxide arrester through the arrester lead and the equipment clamp body.

Preferably, the glass fiber rubberized fabric is distributed on the coaxial cable, the cable body and the grounding cable at equal intervals.

Preferably, the cable hoops and the cable main body are connected in a clamping and fixing mode, and the cable hoops are symmetrically distributed relative to the longitudinal center line of the base tower.

Preferably, the cable protection pipe is equidistantly distributed with the protection pipe staple bolt, and the connection mode of cable protection pipe and protection pipe staple bolt is fixed for the block.

Compared with the prior art, the beneficial effects of the utility model are that: the steel pipe pole for the down line of the double-circuit cable in the shape of a Chinese character 'gan',

1. the tower with the design can centralize the cable terminal lower poles on two sides onto the base tower, and cables can be simultaneously lowered from two sides of the base tower by adopting the design, so that the problems of short space of a vertical tower and the like are solved, the land is saved, and the investment is saved;

2. the tower is applied to the situation that the land utilization in cities and the like is tense, a built single-circuit overhead transmission line needs to be opened by pi, the two sides of the line are accessed to a newly-built transformer substation by adopting cable lines, and the tower is adopted by a cable lower line tower.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic view of the overall side view structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of the utility model at B in FIG. 1;

fig. 5 is an enlarged schematic structural diagram of the point C in fig. 1 according to the present invention.

In the figure: 1. a base tower; 2. a wire strain insulator-string; 3. leading down the insulator string by a lead; 4. a lightning arrester counter lead; 5. a lead body; 6. a T-shaped wire clamp; 7. a lightning arrester lead; 8. an equipment wire clamp main body; 9. the down lead is hung on the insulator string upside down; 10. jumping wires; 11. copper-aluminum transition equipment wire clamps; 12. a cable head; 13. a coaxial cable; 14. a cable main body; 15. a ground cable; 16. a glass fiber adhesive tape; 17. a cable hoop; 18. a cable protection tube; 19. protecting the pipe hoop; 20. binding tapes; 21. a second copper terminal; 22. a grounding box main body; 23. a grounding box support; 24. a lightning arrester counter main body; 25. a first copper terminal; 26. a metal oxide lightning arrester.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a T-shaped dual-loop cable down-line steel pipe pole comprises a base tower 1 and a lead tension string 2, wherein the tail end of the diameter of the top end of the base tower 1 is fixedly provided with the lead tension string 2 and a lead down insulator string 3, the lead tension string 2 is electrically connected with the lead down insulator string 3, the tail end of the lead tension string 2 is fixedly provided with a lead main body 5, the outer side of the top end of the lead main body 5 is fixedly provided with a T-shaped clamp 6, the T-shaped clamp 6 is mutually connected with an equipment clamp main body 8 through a lightning arrester lead 7, the equipment clamp main body 8 is fixedly arranged at the bottom end of a metal oxide lightning arrester 26, the top end of the metal oxide lightning arrester 26 is fixedly connected with a top end support of the base tower 1, the metal oxide lightning arrester 26 is electrically connected with a lightning arrester counter lead 4, and the bottom end of the lead main body 5 is electrically provided with a down-line reverse-hanging insulator string 9, and the bottom outside of the lead main body 5 is fixedly provided with a T-shaped wire clamp 6, the T-shaped wire clamp 6 is mutually connected with a copper-aluminum transition equipment wire clamp 11 through a jumper wire 10, the copper-aluminum transition equipment wire clamp 11 is fixedly arranged at the top end of a cable head 12, the cable head 12 and a down-lead inverted insulator string 9 are fixedly arranged on a support at the bottom outside of the base tower 1, the bottom of the cable head 12 is electrically provided with a coaxial cable 13, a cable main body 14 and a grounding cable 15, the coaxial cable 13, the cable main body 14 and the grounding cable 15 are wound and fixed through a glass fiber rubberized fabric 16, the outer sides of the cable main body 14 and the grounding cable 15 penetrate through a cable hoop 17, the cable hoop 17 is fixedly arranged on the bottom outside of the base tower 1, the bottom outside of the cable main body 14 is sleeved with a cable protection tube 18, the cable protection tube 18 penetrates through the hoop 19, and the protection tube 19 is fixedly arranged on the bottom outside of the base tower 1, the ligature belt 20 is installed to the bottom outside of ground cable 15, the bottom external fixed surface of base tower 1 installs second copper terminal 21, and second copper terminal 21 and ground cable 15 electric connection, the bottom external fixed surface of base tower 1 installs ground box support 23, and the outside fixed surface of ground box support 23 has ground box main part 22, and ground box main part 22 and coaxial cable 13 electric connection, arrester counter main part 24 is installed to the below of ground box main part 22, and arrester counter main part 24 is connected with the external fixed surface of base tower 1, and install first copper terminal 25 on the arrester counter main part 24.

The base tower 1 and the lead tension string 2 are symmetrically distributed about the longitudinal center line of the base tower 1, so that the subsequent lead operation of the lead main body 5 is facilitated.

The lead main body 5 is electrically connected with the metal oxide arrester 26 through the arrester lead 7 and the equipment clamp main body 8, and is favorable for communication butt joint after integral assembly butt joint, so that electric conduction is realized.

The glass fiber rubberized fabric 16 is distributed on the coaxial cable 13, the cable main body 14 and the grounding cable 15 at equal intervals, and the coaxial cable 13, the cable main body 14 and the grounding cable 15 can be stabilized through the glass fiber rubberized fabric 16 to avoid looseness.

The cable anchor ear 17 is fixed with the cable main body 14 in a clamping manner, and the cable anchor ear 17 is symmetrically distributed about the longitudinal center line of the base tower 1, so that the position of the cable main body 14 is fixed, and dislocation is avoided.

The equidistant distribution has protection tube staple bolts 19 on the cable protection pipe 18, and the connected mode of cable protection pipe 18 and protection tube staple bolts 19 is fixed for the block, conveniently to the fixed position of cable protection pipe 18.

The working principle is as follows: according to the figures 1-5, the device is integrally built, firstly, after the base tower 1 is integrally built, the subsequent assembly and matching work is carried out on each accessory, firstly, the base tower 1, the lead tension string 2, the lead down insulator string 3, the metal oxide lightning arrester 26, the down lead inverted insulator string 9 and the cable head 12 are fixedly installed, then, the lead main body 5, the down lead inverted insulator string 9 and the lead down insulator string 3 are fixedly butted, meanwhile, after the T-shaped clamp 6 is fixedly installed at the upper end and the lower end of the lead main body 5, the lead main body 5 at the upper end and the lower end is respectively connected, assembled and fixed with the equipment clamp main body 8 on the metal oxide lightning arrester 26 and the copper-aluminum transition equipment clamp 11 on the cable head 12 through the lightning arrester lead 7 and the jumper 10, and the metal oxide lightning arrester 26 is electrically connected with the lightning arrester counter lead 4, then the coaxial cable 13, the cable main body 14 and the grounding cable 15 are electrically assembled and fixed with the cable head 12, the coaxial cable 13, the cable main body 14 and the grounding cable 15 are wound and fixed through a glass fiber rubberized fabric 16 to prevent looseness, the cable main body 14 penetrates through the grounding cable 15, the grounding cable 15 is fixed on the outer side of the base tower 1, a cable protection pipe 18 is fixedly installed on the outer side of the bottom end of the cable main body 14, the cable protection pipe 18 is fixedly connected with the base tower 1 through a protection pipe hoop 19, meanwhile, the grounding cable 15 is stably positioned through a binding tape 20, the coaxial cable 13 is electrically connected with the grounding box main body 22, meanwhile, the grounding box main body 22 is fixed on the outer side of the base tower 1 through a grounding box support 23, and after the lightning arrester counter main body 24 is fixed on a support of the base tower 1, a first copper terminal 25 is fixed on the lightning arrester counter main body 24 to complete the integral assembly, the lead body 5 is concentrated on the base tower 1, and the lead body 5 can be simultaneously drawn down from both sides of the base tower 1, which is the working process of the whole device, and the content not described in detail in this specification is the prior art well known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two return circuit cable downlead steel pipe poles of dry style of calligraphy, includes base tower (1) and wire strain insulator-string (2), its characterized in that: the terminal fixed mounting of top diameter of base tower (1) has wire strain insulator string (2) and wire insulator string (3) down, and wire strain insulator string (2) and wire insulator string (3) electric connection down, the terminal fixed mounting of wire strain insulator string (2) has lead wire main part (5), and lead wire main part (5) top outside fixed mounting has T type clamp (6), and T type clamp (6) are through arrester lead (7) and equipment clamp main part (8) interconnect, equipment clamp main part (8) fixed mounting is in the bottom of metal oxide arrester (26), and the top of metal oxide arrester (26) and the top support fixed connection of base tower (1) to metal oxide arrester (26) and arrester counter lead wire (4) electric connection, the bottom electric mounting of lead wire main part (5) has lead wire inverted insulation (9), and the bottom outside fixed mounting of lead wire main part (5) has T clamp (6), T type clamp (6) is installed on the bottom of base tower (5) outside fixed mounting of cable terminal (12) and cable base terminal (11) of the cable insulator string (11) through jumper wire clamp (10) and the cable base terminal fixed mounting (12) on the top of copper aluminum cable base tower (1), the bottom end of the cable head (12) is electrically provided with a coaxial cable (13), a cable main body (14) and a grounding cable (15), the coaxial cable (13), the cable main body (14) and the grounding cable (15) are wound and fixed through a glass fiber rubberized fabric (16), the outer sides of the cable main body (14) and the grounding cable (15) penetrate through a cable hoop (17), the cable hoop (17) is fixedly installed on the outer surface of the bottom end of the base tower (1), the outer side of the bottom end of the cable main body (14) is sleeved with a cable protection pipe (18), the cable protection pipe (18) penetrates through a protection pipe (19), the protection pipe hoop (19) is fixedly installed on the outer surface of the bottom end of the base tower (1), a cable tie (20) is installed on the outer side of the bottom end of the grounding cable (15), a second copper terminal (21) is fixedly installed on the outer surface of the bottom end of the base tower (1), the second copper terminal (21) is electrically connected with the grounding cable (15), a grounding box (23) is fixedly installed on the outer surface of the base tower (1), a grounding box support (23) is fixedly installed on the outer side of the grounding box support, and a counter (22) is connected with a lightning arrester main body (22) and connected with a counter (22) and a lower electric property of the grounding box (24) is connected with the grounding box main body (13), and the lightning arrester counter main body (24) is fixedly connected with the outer surface of the base rod tower (1), and a first copper terminal (25) is installed on the lightning arrester counter main body (24).

2. The steel pipe pole of the main-shaped double-circuit cable downlead according to claim 1, characterized in that: the base tower (1) and the lead tension string (2) are symmetrically distributed around the longitudinal center line of the base tower (1).

3. The steel pipe pole of the main-shaped double-circuit cable downlead according to claim 1, characterized in that: the lead main body (5) is electrically connected with the metal oxide arrester (26) through the arrester lead (7) and the equipment clamp main body (8).

4. The steel pipe pole of the main-shaped double-circuit cable downlead according to claim 1, characterized in that: the glass fiber adhesive tapes (16) are distributed on the coaxial cable (13), the cable main body (14) and the grounding cable (15) at equal intervals.

5. The steel pipe pole of the main-shaped double-circuit cable downlead according to claim 1, characterized in that: the cable hoops (17) and the cable main body (14) are connected in a clamping and fixing mode, and the cable hoops (17) are symmetrically distributed around the longitudinal center line of the base tower (1).

6. The steel pipe pole of the main-shaped double-circuit cable downlead according to claim 1, characterized in that: the cable protection pipe (18) is equidistantly distributed with protection pipe hoops (19), and the cable protection pipe (18) and the protection pipe hoops (19) are fixedly connected in a clamping manner.