CN112864997B - Cross arm structure for connecting branch wires with upper layer wires of four loops - Google Patents
Cross arm structure for connecting branch wires with upper layer wires of four loops Download PDFInfo
- Publication number
- CN112864997B CN112864997B CN202110006459.2A CN202110006459A CN112864997B CN 112864997 B CN112864997 B CN 112864997B CN 202110006459 A CN202110006459 A CN 202110006459A CN 112864997 B CN112864997 B CN 112864997B
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- rod
- horizontal cross
- fixing
- fixing plate
- bolt assembly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers
Abstract
The invention relates to a cross arm structure for connecting branch lines with upper-layer wires of a four-circuit, which is arranged on an electric pole and comprises a lower fixing mechanism, an upper fixing mechanism and a connecting rod, wherein the upper fixing mechanism comprises a horizontal cross rod and a first bolt assembly, the horizontal cross rod is fixed on the electric pole through the pretightening force of the first bolt assembly, one end of the horizontal cross rod is also provided with a tapping cross arm for tapping the lead lines onto the upper-layer wires, and the cross arm structure has the advantages that: the tapping cross arm on the upper fixing mechanism taps the lead to the upper-layer lead, so that the lead does not need to be connected in series from the middle, the power outage is not needed, the number of users can be effectively reduced when the power outage is performed, the safety of operators is improved, the reliability of the four-loop lead lapped by the cross arm is effectively ensured, the lead after being installed is not easy to shake, and the installation efficiency is improved.
Description
Technical Field
The invention relates to a cross arm structure for connecting branch wires with upper wires of four loops.
Background
According to the operation requirement of a distribution line component of distribution line live working, the safety distance between a 10kV voltage class phase and ground is more than or equal to 0.20m, the safety distance between the two phases in the four loops is 1.5m, the safety distance between the two phases in the lowest phase and the highest phase is 2.7m, the length of a connected lead is long, the lead is easy to break, the lead is not safe enough with a surrounding grounding component and a live body in different phases, a plurality of potentials are connected in series, the load of the lower layer lead of the four loops is larger and larger, the cutting connection of the upper layer lead and the upper layer lead is required to be completed, the current leads are connected in series and lap joint when the current leads are connected in series from the middle, the middle series and lap joint cannot be completed when the current leads are electrified, the lead is easy to shake, the safety of operators and equipment is not guaranteed, the distance between the current leads is too short, the operators cannot enter, and the current is safe, and the current is only required to rely on the fact that the fixed lead of a power-cut-off mounting cross arm bottle is needed to fix the lead to complete the lap joint, and the reliability of power supply is affected.
Disclosure of Invention
The invention aims to provide a cross arm structure for connecting branch wires with upper wires of four loops, which can realize the lead wire lap joint on the upper wires without power failure and ensure the stability of power supply.
In order to solve the technical problems, the invention is realized by the following technical scheme: a cross arm structure for branch line connects four return circuits upper wire, installs on the pole, including lower fixed establishment, last fixed establishment and connecting rod, go up fixed establishment and include two horizontal crossbars that are parallel to each other to and set up first bolt assembly between horizontal crossbars, horizontal crossbars pass through the pretightning force of first bolt assembly and fix on the pole, two still be equipped with the dead lever of fixed vase between the horizontal crossbars, just dead lever detachable installs on horizontal crossbars, the tapping cross arm on tapping upper wire with the lead wire is still installed to the one end of horizontal crossbars, lower fixed establishment includes first fixed plate, second fixed plate and second bolt assembly, first fixed plate and second fixed plate pass through the second bolt assembly and link to each other, be equipped with between first fixed plate and the second fixed plate with pole matched with fixed orifices, the one end rotation of connecting rod is connected on the second bolt assembly, just the connecting rod sets up between first fixed plate and second fixed plate, the other end detachable of connecting rod installs on horizontal upper fixed plate, lower fixed establishment and tapping cross arm.
Preferably, the tapping cross arm comprises a long rod and two short rods, wherein an insulating rod type porcelain bottle for binding a lead is arranged on the long rod, one end of each short rod is fixedly connected to the long rod, and the other end of each short rod is detachably arranged on the horizontal cross rod.
Preferably, the long rod comprises a horizontal part and a vertical part, the horizontal part is arranged at the top end of the vertical part, the vertical part is provided with a mounting hole for mounting the insulating rod type porcelain insulator, and the short rod is mounted on the horizontal part through a third bolt assembly.
Preferably, the third bolt assembly comprises a third bolt and a third nut, a through hole matched with the third bolt is formed in the short rod, a strip-shaped hole matched with the third bolt is formed in the vertical portion, and the third bolt is locked through the third nut after sequentially penetrating through the strip-shaped hole and the through hole.
Preferably, three insulating rod type porcelain bottles are arranged on the vertical portion, and color codes corresponding to the insulating rod type porcelain bottles one by one are further arranged on the vertical portion or the horizontal portion.
Preferably, the other end of the short rod is detachably mounted on the horizontal cross rod through a screw.
Preferably, the length ratio of the long rod to the short rod is 5:3-5:2.
Preferably, the first fixing plate is provided with a first arc-shaped groove, the second fixing plate is provided with a second arc-shaped groove, a fixing hole is formed between the first arc-shaped groove and the second arc-shaped groove, and the first arc-shaped groove and/or the second arc-shaped groove are/is provided with an anti-slip pad.
Preferably, the horizontal cross rod is provided with an abutting plate for increasing the contact area between the horizontal cross rod and the electric pole, and the abutting plate and the horizontal cross rod are of an integrated structure.
Preferably, one end of the connecting rod is provided with a rotating sleeve matched with the second bolt assembly, and the other end of the connecting rod is provided with a supporting plate connected with the horizontal cross rod.
In summary, the invention has the advantages that: the lower fixing mechanism and the upper fixing frame are used for fixedly mounting the cross arm structure on the electric pole, the tapping cross arm on the upper fixing mechanism taps the lead wire onto the upper layer of lead wire, so that the lead wire does not need to be connected in series from the middle, the requirement of no power failure is met, the number of users in power failure can be effectively reduced, the safety of operators is improved, the reliability of the cross arm lap joint four-loop lead wire is effectively ensured, the mounted lead wire is not easy to shake, the mounting efficiency is improved, one end of the connecting rod is rotationally connected onto the second bolt assembly of the lower fixing mechanism, the other end of the connecting rod is detachably mounted on the horizontal cross rod, the height difference between the lower fixing mechanism and the upper fixing mechanism can be adjusted according to the actual mounting environment during mounting, different mounting requirements are met, the connecting rod is rotationally connected onto the second bolt assembly, the linkage locking of the connecting rod can be ensured when the first fixing plate and the second fixing plate are locked, the fixing quality of the connecting rod is improved, the connecting rod can be locked without an additional auxiliary locking structure, the locking effect is good, the fixing quality of the cross arm structure is improved, the whole installation and the disassembly are convenient, the upper fixing mechanism is arranged into two mutually parallel horizontal cross rods and a first bolt assembly, the upper fixing mechanism can be quickly arranged on an electric pole, the relative sliding of the upper fixing mechanism and the electric pole is reduced, the fixing rod is detachably arranged on the horizontal cross rods, the fixing rod is not limited by the fixing rod when being arranged, the whole installation efficiency is improved, the position of the fixing rod on the horizontal cross rods can be set according to the actual requirement, the lower fixing mechanism is arranged into a first fixing plate, a second fixing plate and a second bolt assembly, the matching with the electric pole is realized through the fixing holes formed between the first fixing plate and the second fixing plate, and fasten through the second bolt assembly, can improve holistic fixed quality, finally, the setting of galvanized coating can improve the life of lower fixed establishment, last fixed establishment, connecting rod and tapping cross arm, is convenient for follow-up maintenance and dismantlement maintenance.
Other features and advantages of the present invention will be disclosed in the following detailed description of the invention and the accompanying drawings.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a cross arm structure for branching wires to an upper layer of a four-circuit wire according to the present invention;
FIG. 2 is a schematic view of the structure of the tapping crossarm of the present invention;
FIG. 3 is a schematic view of the structure of the upper fixing mechanism in the present invention;
fig. 4 is a schematic structural view of the lower fixing mechanism in the present invention.
Reference numerals:
the anti-skid device comprises a lower fixing mechanism, a first fixing plate 11, a second fixing plate 12, a second bolt assembly 13, a fixing hole 14, a first arc-shaped groove 15, a second arc-shaped groove 16, an anti-skid pad 17, an upper fixing mechanism 2, a horizontal cross rod 21, a first bolt assembly 22, a fixing rod 23, a butt plate 24, a connecting rod 3, a rotating sleeve 31, a supporting plate 32, a tapping cross arm 4, a long rod 41, a short rod 42, an insulating rod type porcelain bottle 43, a horizontal part 44, a vertical part 45, a third bolt assembly 46, a through hole 47, a strip-shaped hole 48, a color code 49, a 5 screw and a 6 electric pole.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3, fig. 4, a cross arm structure for connecting four-circuit upper layer wires by branch lines is installed on an electric pole 6, and comprises a lower fixing mechanism 1, an upper fixing mechanism 2 and a connecting rod 3, wherein the upper fixing mechanism 2 comprises two mutually parallel horizontal cross rods 21 and a first bolt assembly 22 arranged between the horizontal cross rods 21, the first bolt assembly 22 comprises a first bolt and a first nut, the first bolt passes through the two horizontal cross rods and then is locked by the first nut during installation, the horizontal cross rods 21 are fixed on the electric pole 6 by the pretightening force of the first bolt assembly 22, two fixing rods 23 for fixing porcelain bottles are further arranged between the horizontal cross rods 21, the fixing rods 23 are detachably installed on the horizontal cross rods 21, one end of each horizontal cross rod 21 is further provided with a tapping cross arm 4 for tapping lead wires on the upper layer wires, the lower fixing mechanism 1 comprises a first fixing plate 11, a second fixing plate 12 and a second bolt assembly 13, the second bolt assembly 13 comprises a second bolt and a second fixing plate 12, the second bolt assembly 12 and a second fixing nut are arranged on the second connecting rod assembly 12 and a second connecting rod 3, the second fixing plate 12 is matched with the first connecting rod 11 and the second connecting rod assembly 3, the second connecting rod assembly is provided with the second connecting rod assembly 12 and the second connecting rod 3 through the first fixing plate 11 and the second fixing plate 3 and the second connecting rod 11 and the second connecting rod 3, and the second connecting rod 3 is provided with a fixing hole between the first connecting rod 11 and the connecting rod 3.
The cross arm structure is fixedly arranged on the electric pole 6 through the lower fixing mechanism 1 and the upper fixing frame, the lead is connected to the upper layer of the lead wire in a tapping way through the tapping cross arm 4 on the upper fixing mechanism 2, so that the lead wire does not need to be connected in series from the middle, the requirement of no power failure is met, the number of users in power failure can be effectively reduced, the safety of operators is improved, the reliability of installing the cross arm lap joint four-loop lead wire is effectively ensured, the installed lead wire is not easy to shake, the installation efficiency is improved, one end of the connecting rod 3 is connected to the second bolt assembly 13 of the lower fixing mechanism 1 in a rotating way, the other end of the connecting rod 3 is detachably installed on the horizontal cross rod 21, the height difference between the lower fixing mechanism 1 and the upper fixing mechanism 2 can be adjusted according to the actual installation environment during installation, different installation requirements are met, and the connecting rod 3 is connected to the second bolt assembly 13 in a rotating way, when the first fixing plate 11 and the second fixing plate 12 are locked, the linkage locking of the connecting rod 3 can be ensured, the fixing quality of the connecting rod 3 is improved, the locking of the connecting rod 3 can be realized without an additional auxiliary locking structure, the locking effect is good, the fixing quality of the cross arm structure is improved, the whole installation and the disassembly are convenient, the upper fixing mechanism 2 is arranged into two mutually parallel horizontal cross bars 21 and a first bolt assembly 22, the upper fixing mechanism 2 can be quickly installed on the electric pole 6, the relative sliding of the upper fixing mechanism 2 and the electric pole 6 is reduced, the fixing rod 23 is detachably installed on the horizontal cross bars 21, the horizontal cross bars 21 are not limited by the fixing rod 23 when being installed, the whole installation efficiency is improved, the position of the fixing rod 23 on the horizontal cross bars 21 can be set according to the actual requirement, the lower fixing mechanism 1 is arranged into the first fixing plate 11, the second fixing plate 12 and the second bolt assembly 13, the cooperation with pole 6 is realized through the fixed orifices 14 that form between first fixed plate 11 and the second fixed plate 12 to fasten through second bolt assembly 13, can improve holistic fixed quality, finally, the setting of galvanizing coat can improve the life of lower fixed establishment 1, last fixed establishment 2, connecting rod 3 and tapping cross arm 4, the follow-up maintenance of being convenient for overhauls and dismantles.
The tapping cross arm 4 comprises a long rod 41 and two short rods 42, the long rod 41 is provided with an insulating rod type porcelain bottle 43 for binding a lead, one end of each short rod 42 is fixedly connected to the long rod 41, the other end of each short rod 42 is detachably arranged on the horizontal cross rod 21, the long rod 41 is used for fixedly supporting the rod type porcelain bottle 43, the connection is reliable, the insulating rod type porcelain bottle 43 can provide a supporting force for the lead to increase the safety distance, and the short rod 42 can realize that the tapping cross arm 4 is quickly arranged on the horizontal cross rod 21.
The long rod 41 comprises a horizontal part 44 and a vertical part 45, the horizontal part 44 is arranged at the top end of the vertical part 45, the vertical part 45 is provided with a mounting hole for mounting the insulating rod type porcelain bottle 43, the short rod 42 is mounted on the horizontal part 44 through a third bolt assembly 46, the short rod 42 and the insulating rod type porcelain bottle 43 can be mounted on the long rod 41 in a mutually independent mode, the integral mounting efficiency is simplified, the third bolt assembly 46 comprises a third bolt and a third nut, the short rod 42 is provided with a through hole 47 matched with the third bolt, the vertical part 45 is provided with a strip-shaped hole 48 matched with the third bolt, the third bolt is locked through a third nut after sequentially penetrating through the strip-shaped hole 48 and the through hole 47, the strip-shaped hole 48 enables the distance between the two short rods 42 to be adjustable, the short rod 42 is suitable for different mounting environments, the third bolt assembly 46 is arranged into the third bolt and the third nut, the mounting and dismounting are convenient, and the locking effect is good.
Install three insulating rod formula vase 43 on vertical portion 45, still be equipped with on vertical portion 45 or the horizontal part 44 with insulating rod formula vase 43 one-to-one's color code 49, set up insulating rod formula vase 43 to three, be convenient for on the independent tapping of three-phase lead wire only upper wire, and distinguish through color code 49, improved the quality of lead wire tapping, avoided the mistake dress of lead wire, improved security performance, color code 49 in this embodiment preferentially set up on vertical portion 45, the other end of quarter butt 42 is installed on horizontal pole 21 through screw 5 detachable, screw 5 installs and dismantles conveniently, specifically, is equipped with through-hole 47 or screw hole on quarter butt 42, be equipped with on horizontal pole 21 with screw 5 matched with screw hole, guarantee the fixed quality of quarter butt 42, the length ratio of quarter butt 41 and quarter butt 42 is 5:3 ~ 5:2, can improve the joint strength of whole tapping cross arm 4, reduce the rocking of quarter butt 41, the length ratio of quarter butt 41 and quarter butt 42 adopts 2 preferentially in this embodiment: 1.
the first fixing plate 11 is provided with a first arc-shaped groove 15, the second fixing plate 12 is provided with a second arc-shaped groove 16, a fixing hole 14 is formed between the first arc-shaped groove 15 and the second arc-shaped groove 16, the first arc-shaped groove 15 and/or the second arc-shaped groove 16 are provided with anti-slip pads 17, the fixing hole 14 is formed through the first arc-shaped groove 15 and the second arc-shaped groove 16, the installation and the disassembly are convenient, the electric pole 6 with different diameters can be adapted, the installation and the disassembly are convenient, the anti-slip pads 17 are arranged, the fixing quality of a lower fixing structure can be improved, the relative sliding between the lower fixing structure and the electric pole 6 is prevented, the installation quality is improved, the horizontal cross rod 21 is provided with an abutting plate 24 for increasing the contact area of the horizontal cross rod 21 and the electric pole 6, the abutting plate 24 and the horizontal cross rod 21 are of an integrated structure, the fixing quality of the horizontal cross bar 21 can be improved, the abutting plate 24 can be provided with an abutting groove, the installation process of the upper fixing structure is simplified, the abutting plate 24 and the horizontal cross bar 21 are arranged into an integrated structure, the installation process between the abutting plate 24 and the horizontal cross bar 21 can be simplified, the integral connection strength is improved, one end of the connecting rod 3 is provided with a rotating sleeve 31 matched with the second bolt assembly 13, the other end of the connecting rod 3 is provided with a supporting plate 32 connected with the horizontal cross bar 21, the rotating sleeve 31 is arranged, the connecting rod 3 can be rapidly installed on the second bolt assembly 13, the rotating stability of the connecting rod 3 can be ensured, in addition, the supporting plate 32 is arranged, the connection of the connecting rod 3 and the horizontal cross bar 21 can be rapidly realized, the contact area with the horizontal cross bar 21 can be increased, the fixing quality is improved, the support plate 32 in this embodiment is detachably mounted on the horizontal cross bar 21 by means of screws 5 or bolts.
The above embodiments are merely illustrative embodiments of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present invention are included in the scope of the present invention.
Claims (4)
1. A cross arm structure that is used for branch line to connect four return circuits upper strata wires installs on the pole, its characterized in that: the anti-corrosion zinc plating device comprises a lower fixing mechanism, an upper fixing mechanism and a connecting rod, wherein the upper fixing mechanism comprises two horizontal cross rods which are parallel to each other, and a first bolt assembly arranged between the horizontal cross rods, the horizontal cross rods are fixed on an electric pole through the pretightening force of the first bolt assembly, a fixing rod for fixing a porcelain bottle is further arranged between the two horizontal cross rods, the fixing rod is detachably arranged on the horizontal cross rods, one end of each horizontal cross rod is further provided with a tapping cross arm for tapping a lead wire onto an upper-layer lead wire, the lower fixing mechanism comprises a first fixing plate, a second fixing plate and a second bolt assembly, the first fixing plate and the second fixing plate are connected through the second bolt assembly, a fixing hole matched with the electric pole is formed between the first fixing plate and the second fixing plate, one end of each connecting rod is rotatably connected to the second bolt assembly, the connecting rod is arranged between the first fixing plate and the second fixing plate, the other end of each connecting rod is detachably arranged on the horizontal cross rod, and the lower fixing mechanism, the upper fixing plate, the connecting rod and the tapping cross arm are provided with anti-corrosion zinc plating layers;
the tapping cross arm comprises a long rod and two short rods, wherein an insulating rod type porcelain bottle for binding a lead is arranged on the long rod, one end of each short rod is fixedly connected to the long rod, and the other end of each short rod is detachably arranged on the horizontal cross rod;
the long rod comprises a horizontal part and a vertical part, the horizontal part is arranged at the top end of the vertical part, the vertical part is provided with a mounting hole for mounting the insulating rod type porcelain insulator, and the short rod is mounted on the horizontal part through a third bolt assembly;
the third bolt component comprises a third bolt and a third nut, a through hole matched with the third bolt is formed in the short rod, a strip-shaped hole matched with the third bolt is formed in the vertical part, and the third bolt is locked through the third nut after sequentially passing through the strip-shaped hole and the through hole;
three insulating rod type porcelain bottles are arranged on the vertical part, and color codes corresponding to the insulating rod type porcelain bottles one by one are also arranged on the vertical part or the horizontal part;
the first fixing plate is provided with a first arc-shaped groove, the second fixing plate is provided with a second arc-shaped groove, the fixing hole is formed between the first arc-shaped groove and the second arc-shaped groove, and the first arc-shaped groove and/or the second arc-shaped groove are/is provided with an anti-slip pad;
the horizontal cross rod is provided with an abutting plate for increasing the contact area between the horizontal cross rod and the electric pole, and the abutting plate and the horizontal cross rod are of an integrated structure.
2. A crossarm structure for branching an upper conductor of a four-circuit as claimed in claim 1, wherein: the other end of the short rod is detachably arranged on the horizontal cross rod through a screw.
3. A crossarm structure for branching an upper conductor of a four-circuit as claimed in claim 1, wherein: the length ratio of the long rod to the short rod is 5:3-5:2.
4. A crossarm structure for branching an upper conductor of a four-circuit as claimed in claim 1, wherein: one end of the connecting rod is provided with a rotating sleeve matched with the second bolt assembly, and the other end of the connecting rod is provided with a supporting plate connected with the horizontal cross rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006459.2A CN112864997B (en) | 2021-01-05 | 2021-01-05 | Cross arm structure for connecting branch wires with upper layer wires of four loops |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110006459.2A CN112864997B (en) | 2021-01-05 | 2021-01-05 | Cross arm structure for connecting branch wires with upper layer wires of four loops |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112864997A CN112864997A (en) | 2021-05-28 |
| CN112864997B true CN112864997B (en) | 2023-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110006459.2A Active CN112864997B (en) | 2021-01-05 | 2021-01-05 | Cross arm structure for connecting branch wires with upper layer wires of four loops |
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| CN (1) | CN112864997B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201278452Y (en) * | 2008-09-12 | 2009-07-22 | 于观武 | Support frame |
| CN203821940U (en) * | 2014-03-15 | 2014-09-10 | 国网山东省电力公司潍坊供电公司 | Intelligent equipment installation rack capable of being quickly assembled |
| CN203951136U (en) * | 2014-07-03 | 2014-11-19 | 福建永福工程顾问有限公司 | The switching Wiring device of overhead power transmission conducting wire and cable |
| CN207518244U (en) * | 2017-11-06 | 2018-06-19 | 中国能源建设集团安徽省电力设计院有限公司 | A kind of 220kV double backs overhead transmission line cable cut-offs bar |
| JP7172738B2 (en) * | 2019-02-28 | 2022-11-16 | 中国電力株式会社 | Bird damage prevention tool |
| CN210888253U (en) * | 2019-06-12 | 2020-06-30 | 河北利奥电力器材制造有限公司 | Firm type wire pole |
| CN210380182U (en) * | 2019-10-21 | 2020-04-21 | 安徽和光电气设备有限公司 | Electric iron accessory with automatic vibration damping mechanism |
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2021
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