CN215632061U - Double-return single-pi cable terminal steel pipe pole - Google Patents

Double-return single-pi cable terminal steel pipe pole Download PDF

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Publication number
CN215632061U
CN215632061U CN202122152774.4U CN202122152774U CN215632061U CN 215632061 U CN215632061 U CN 215632061U CN 202122152774 U CN202122152774 U CN 202122152774U CN 215632061 U CN215632061 U CN 215632061U
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CN
China
Prior art keywords
cross arm
cable terminal
wire
strain insulator
steel pipe
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Active
Application number
CN202122152774.4U
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Chinese (zh)
Inventor
刘小花
朱琛
戴正志
李坚
欧阳枫
易帆
谌意雄
黄罡
李迅
刘醉
李贵善
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Changsha Electric Power Design Institute Co ltd
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Changsha Electric Power Design Institute Co ltd
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Priority to CN202122152774.4U priority Critical patent/CN215632061U/en
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Abstract

The utility model discloses a double-return single pi cable terminal steel pipe pole, which comprises a steel pipe pole body, wherein the top of the steel pipe pole body is fixedly provided with a left ground wire cross arm and a right ground wire cross arm along the left and right directions respectively, a left upper lead cross arm is arranged below the left ground wire cross arm, a right upper lead cross arm is arranged below the right ground wire cross arm, a left upper lead cable terminal rear cross arm is arranged below the right upper lead cross arm in the vertical direction, and a left middle lead cross arm is arranged below the left upper lead cable terminal front cross arm in the vertical direction The deicing jump, the ground wire protection angle, the structural stress and the like.

Description

Double-return single-pi cable terminal steel pipe pole
Technical Field
The utility model relates to the technical field of power transmission line engineering, in particular to a double-return single-Pi cable terminal steel pipe pole.
Background
The double-loop cable terminal steel pipe is required to meet the conversion between an overhead conductor and a cable and the safe cable leading-down function, the cross arm of the traditional double-loop cable terminal rod is horizontally arranged in a bilateral symmetry mode, and a cable terminal and a lightning arrester are usually placed on the cross arm of the cable or hung between the layers of the cross arm of the cable, so that great difficulty and potential safety hazards are brought to later operation and maintenance;
the patent of Chinese utility model with the publication number of CN108824936A discloses a double-loop X-shaped cross arm arrangement cable terminal steel pipe pole, which comprises a pole body, which is arranged into five layers from top to bottom, the first layer is a ground wire cross arm, and the end part of the ground wire cross arm is provided with a ground wire hanging point; the second layer is an upper wire cross arm, and a wire hanging point is arranged at the end part of the upper wire cross arm; the third layer is a first object placing cross arm and a middle wire cross arm, a cable terminal is arranged at the end part of the first object placing cross arm, a wire hanging point is arranged at the end part of the middle wire cross arm, and a first lightning arrester is arranged in the middle of the middle wire cross arm; the fourth layer is a second article placing cross arm and a lower lead cross arm, and a first cable terminal is arranged at the end part of the second article placing cross arm; the middle part of the lower wire cross arm is provided with a wire hanging point, and the end part of the lower wire cross arm is provided with a second lightning arrester; the fifth layer is a third object-placing cross arm and a fourth object-placing cross arm, a second cable terminal is arranged in the middle of the third object-placing cross arm, a third lightning arrester is arranged at the end of the fourth object-placing cross arm, the conventional scheme needs to realize the function of pi connection aerial erection of a cable through two basic towers, the area of a station floor is large, the total weight of a tower foundation is heavy, and the defects existing in the prior art need to be overcome, so that the total weight of a tower can be effectively reduced, two basic steel pipe poles are combined, the occupied area of the tower foundation is effectively reduced, and therefore a double-return-single-pi cable terminal steel pipe pole is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-return single-pi cable terminal steel pipe pole to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a double-return single pi cable terminal steel pipe pole comprises a steel pipe pole body, wherein the top of the steel pipe pole body is fixedly provided with a ground wire left cross arm and a ground wire right cross arm along the left and right directions respectively;
a left upper wire cross arm is arranged below the left ground wire cross arm, a right upper wire cross arm is arranged below the right ground wire cross arm, a left upper wire cable terminal front cross arm is fixedly arranged below the left upper wire cross arm in the vertical direction, a left upper wire cable terminal rear cross arm is arranged below the right upper wire cross arm in the vertical direction, and a left middle wire cross arm is arranged below the left upper wire cable terminal front cross arm in the vertical direction;
a right middle wire cross arm is arranged below the left upper wire cable terminal rear cross arm in the vertical direction, a left middle wire cable terminal front cross arm is arranged below the left middle wire cross arm in the vertical direction, a left middle wire cable terminal rear cross arm is arranged below the right middle wire cross arm in the vertical direction, a left lower wire cross arm and a right lower wire cross arm are respectively arranged below the left middle wire cable terminal rear cross arm in the vertical direction, a left lower wire cable terminal front cross arm is arranged below the left lower wire cross arm in the vertical direction, and a left lower wire cable terminal rear cross arm is arranged below the right lower wire cross arm in the vertical direction;
a cable head fixing support is arranged on the steel pipe rod body and used for installing and fixing a cable.
Preferably, the two sides of the left upper lead cross arm are provided with a first duplex strain insulator string and a second duplex strain insulator string, the first duplex strain insulator string and the second duplex strain insulator string are connected with a lightning arrester and a cable terminal on the left upper lead cable terminal rear cross arm through a jumper arranged between leads, and a cable below the cable terminal is laid on the ground through a steel pipe rod body cable terminal fixing support.
Preferably, a third duplex strain insulator string and a fourth duplex strain insulator string are arranged on two sides of the left middle lead cross arm, and the third duplex strain insulator string and the fourth duplex strain insulator string are connected with the lightning arrester and the cable terminal on the left middle lead cable terminal rear cross arm through a jumper arranged between the third duplex strain insulator string and the fourth duplex strain insulator string and the lead.
Preferably, the fifth and sixth duplex strain insulator strings are arranged on two sides of the left lower lead cross arm, the fifth and sixth duplex strain insulator strings are connected with the lightning arrester and the cable terminal on the left lower lead cable terminal rear cross arm through jumper wires arranged between the leads, and cables below all the cable terminals are laid in a ground mode through the steel pipe rod body cable terminal fixing support.
Preferably, a seventh duplex strain insulator string and an eighth duplex strain insulator string are arranged on two sides of the upper right side of the wire cross arm, a ninth duplex strain insulator string and a tenth duplex strain insulator string are fixedly arranged on two sides of the middle right side of the wire cross arm, and an eleventh duplex strain insulator string and a twelfth duplex strain insulator string are fixedly arranged on two sides of the lower right side of the wire cross arm.
Compared with the prior art, the utility model has the beneficial effects that: the utility model reduces the engineering quantity of a base tower, reduces the function of double-return single-pi cable grounding which needs to be realized by two base towers of one-base double-return pi connecting rod and one-base double-return cable terminal rod to only one-base double-return single-pi cable terminal steel pipe rod, reduces the occupied area, and can meet the requirements of air gaps, electromagnetic environment, horizontal deviation of ground wires, ice removal jumping, ground wire protection angles, structural stress and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a planar structure according to the present invention;
FIG. 3 is an enlarged structural view of the structure A in FIG. 1 according to the present invention.
In the figure: 1. a steel pipe rod body; 2. a ground wire left cross arm; 3. a ground wire right cross arm; 4. a wire cross arm on the left side; 5. a wire cross arm on the right side; 6. a front cross arm of a lead cable terminal on the left side; 7. a rear cross arm of a lead cable terminal on the left side; 8. a left middle wire cross arm; 9. a right middle wire cross arm; 10. a front cross arm of a left middle lead cable terminal; 11. a rear cross arm of a left middle lead cable terminal; 12. a left lower wire cross arm; 13. a right lower wire cross arm; 14. a left lower wire cable terminal front cross arm; 15. the left lower wire cable terminal rear cross arm; 16. the first duplex strain insulator string and the second duplex strain insulator string are connected in series; 17. a third duplex strain insulator string and a fourth duplex strain insulator string; 18. fifth and sixth duplex strain insulator strings; 19. seventh and eighth duplex strain insulator strings; 20. ninth and tenth duplex strain insulator strings; 21. the eleventh and twelfth duplex strain insulator strings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a double-return single pi cable terminal steel pipe pole comprises a steel pipe pole body 1, wherein a ground wire left cross arm 2 and a ground wire right cross arm 3 are fixedly arranged at the top of the steel pipe pole body 1 along the left and right directions respectively;
a left upper lead cross arm 4 is arranged below the ground wire left cross arm 2, a right upper lead cross arm 5 is arranged below the ground wire right cross arm 3, a left upper lead cable terminal front cross arm 6 is fixedly arranged below the left upper lead cross arm 4 in the vertical direction, a left upper lead cable terminal rear cross arm 7 is arranged below the right upper lead cross arm 5 in the vertical direction, and a left middle lead cross arm 8 is arranged below the left upper lead cable terminal front cross arm 6 in the vertical direction;
referring to fig. 1-2, a right middle wire cross arm 9 is arranged below a left upper wire cable terminal rear cross arm 7 in the vertical direction, a left middle wire cable terminal front cross arm 10 is arranged below a left middle wire cross arm 8 in the vertical direction, a left middle wire cable terminal rear cross arm 11 is arranged below the right middle wire cross arm 9 in the vertical direction, a left lower wire cross arm 12 and a right lower wire cross arm 13 are respectively arranged below the left middle wire cable terminal rear cross arm 11 in the vertical direction, a left lower wire cable terminal front cross arm 14 is arranged below the left lower wire cross arm 12 in the vertical direction, and a left lower wire cable terminal rear cross arm 15 is arranged below the right lower wire cross arm 13 in the vertical direction;
it should be noted that, a cable head fixing bracket should be arranged on the steel tube shaft 1 for fixing and installing the cable.
Referring to fig. 2-3, a first duplex strain insulator string 16 and a second duplex strain insulator string 16 are arranged on two sides of the upper wire cross arm 4 on the left side, the first duplex strain insulator string 16 and the second duplex strain insulator string 16 are connected with a lightning arrester and a cable terminal on the upper wire cable terminal rear cross arm 7 on the left side through a jumper arranged between wires, and a cable below the cable terminal is laid down through a steel tube rod 1 cable terminal fixing support.
It should be noted that, the third and fourth duplex strain insulator strings 17 are arranged on two sides of the left middle wire cross arm 8, and the third and fourth duplex strain insulator strings 17 are connected with the lightning arrester and the cable terminal on the left middle wire cable terminal rear cross arm 11 through a jumper wire arranged between the wires.
In addition, the left lower wire cross arm 12 is provided with a fifth duplex strain insulator string 18 and a sixth duplex strain insulator string 18 on two sides, the fifth duplex strain insulator string 18 and the sixth duplex strain insulator string 18 are connected with a lightning arrester and a cable terminal on the left lower wire cable terminal rear cross arm 15 through a jumper wire arranged between wires, and all cables below the cable terminal are laid down through the steel tube rod body 1 cable terminal fixing support.
It should be noted that, the seventh and eighth duplex strain insulator strings 19 are arranged on two sides of the upper wire cross arm 5 on the right side, the ninth and tenth duplex strain insulator strings 20 are fixedly arranged on two sides of the middle wire cross arm 9 on the right side, and the eleventh and twelfth duplex strain insulator strings 21 are fixedly arranged on two sides of the lower wire cross arm 13 on the right side.
The utility model reduces the engineering quantity of a base tower, reduces the function of double-return single-pi cable grounding which needs to be realized by two base towers of one-base double-return pi connecting rod and one-base double-return cable terminal rod to only one-base double-return single-pi cable terminal steel pipe rod, reduces the occupied area, and can meet the requirements of air gaps, electromagnetic environment, horizontal deviation of ground wires, ice removal jumping, ground wire protection angles, structural stress and the like.
The working principle is as follows: in the using process, the utility model can be used for hanging two paths of three-phase wires, wherein the left phase of the first path of three-phase wire is hung on two sides 16 of a first duplex strain insulator string and a second duplex strain insulator string, the middle phase of the first path of three-phase wire is hung on two sides 17 of a third duplex strain insulator string and a fourth duplex strain insulator string, the right phase of the first path of three-phase wire is hung on two sides 18 of a fifth duplex strain insulator string and a sixth duplex strain insulator string, the left phase of the second path of three-phase wire is hung on two sides 19 of a seventh duplex strain insulator string and an eighth duplex strain insulator string, the middle phase of the second path of three-phase wire is hung on two sides 20 of a ninth duplex strain insulator string and a tenth duplex strain insulator string, the right phase of the second path of three-phase wire is hung on two sides 21 of an eleventh duplex strain insulator string and a twelfth duplex strain insulator string, and in addition, the ground wire is hung on a ground wire support.
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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a two single pi cable termination steel pipe poles of returning, includes steel pipe pole body (1), its characterized in that: the top of the steel tube rod body (1) is fixedly provided with a ground wire left cross arm (2) and a ground wire right cross arm (3) along the left and right directions respectively;
a left upper lead cross arm (4) is arranged below the ground wire left cross arm (2), a right upper lead cross arm (5) is arranged below the ground wire right cross arm (3), a left upper lead cable terminal front cross arm (6) is fixedly arranged below the left upper lead cross arm (4) in the vertical direction, a left upper lead cable terminal rear cross arm (7) is arranged below the right upper lead cross arm (5) in the vertical direction, and a left middle lead cross arm (8) is arranged below the left upper lead cable terminal front cross arm (6) in the vertical direction;
a right middle wire cross arm (9) is arranged below the left upper wire cable terminal rear cross arm (7) in the vertical direction, a left middle wire cable terminal front cross arm (10) is arranged below the left middle wire cross arm (8) in the vertical direction, a left middle wire cable terminal rear cross arm (11) is arranged below the right middle wire cross arm (9) in the vertical direction, a left lower wire cross arm (12) and a right lower wire cross arm (13) are respectively arranged below the left middle wire cable terminal rear cross arm (11) in the vertical direction, a left lower wire cable terminal front cross arm (14) is arranged below the left lower wire cross arm (12) in the vertical direction, and a left lower wire cable terminal rear cross arm (15) is arranged below the right lower wire cross arm (13) in the vertical direction;
a cable head fixing support is arranged on the steel pipe rod body (1) and used for installing and fixing a cable.
2. The double-circuit single pi cable terminal steel pipe pole as claimed in claim 1, wherein: the two sides of the left upper wire cross arm (4) are provided with a first duplex strain insulator string and a second duplex strain insulator string (16), the first duplex strain insulator string and the second duplex strain insulator string (16) are connected with a lightning arrester and a cable terminal on the left upper wire cable terminal rear cross arm (7) through a jumper arranged between wires, and a cable below the cable terminal is laid on the ground through the steel pipe rod body (1) cable terminal fixing support.
3. The double-circuit single pi cable terminal steel pipe pole as claimed in claim 2, wherein: and a third duplex strain insulator string and a fourth duplex strain insulator string (17) are arranged on two sides of the left middle wire cross arm (8), and the third duplex strain insulator string and the fourth duplex strain insulator string (17) are connected with a lightning arrester and a cable terminal on the left middle wire cable terminal rear cross arm (11) through a jumper wire arranged between the third duplex strain insulator string and the fourth duplex strain insulator string and the wire.
4. The double-circuit single pi cable terminal steel pipe pole as claimed in claim 3, wherein: and fifth and sixth duplex strain insulator strings (18) are arranged on two sides of the left lower wire cross arm (12), the fifth and sixth duplex strain insulator strings (18) are connected with a lightning arrester and a cable terminal on the left lower wire cable terminal rear cross arm (15) through jumper wires arranged between wires, and cables below all the cable terminals are laid on the lower side of the steel pipe rod body (1) cable terminal fixing support.
5. The double-circuit single-pi cable terminal steel pipe pole as claimed in claim 4, wherein: and seventh and eighth duplex strain insulator strings (19) are arranged on two sides of the upper right wire cross arm (5), ninth and tenth duplex strain insulator strings (20) are fixedly arranged on two sides of the middle right wire cross arm (9), and eleventh and twelfth duplex strain insulator strings (21) are fixedly arranged on two sides of the lower right wire cross arm (13).
CN202122152774.4U 2021-09-07 2021-09-07 Double-return single-pi cable terminal steel pipe pole Active CN215632061U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122152774.4U CN215632061U (en) 2021-09-07 2021-09-07 Double-return single-pi cable terminal steel pipe pole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122152774.4U CN215632061U (en) 2021-09-07 2021-09-07 Double-return single-pi cable terminal steel pipe pole

Publications (1)

Publication Number Publication Date
CN215632061U true CN215632061U (en) 2022-01-25

Family

ID=79911166

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122152774.4U Active CN215632061U (en) 2021-09-07 2021-09-07 Double-return single-pi cable terminal steel pipe pole

Country Status (1)

Country Link
CN (1) CN215632061U (en)

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