CN105470864A - Auxiliary cross arm for construction of power transmission line - Google Patents
Auxiliary cross arm for construction of power transmission line Download PDFInfo
- Publication number
- CN105470864A CN105470864A CN201511020514.4A CN201511020514A CN105470864A CN 105470864 A CN105470864 A CN 105470864A CN 201511020514 A CN201511020514 A CN 201511020514A CN 105470864 A CN105470864 A CN 105470864A
- Authority
- CN
- China
- Prior art keywords
- suspension centre
- group
- arm
- auxiliary cross
- transmission line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- 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
Abstract
The embodiment of the invention discloses an auxiliary cross arm for construction of a power transmission line. The auxiliary cross arm comprises a plurality of holding pole sections and also comprises a cross-sectional suspension point plate, wherein screw holes are formed on each holding pole section, arbitrary two adjacent holding pole sections are connected by a first group of bolts to form the auxiliary cross arm, screw holes and a first group of suspension point holes are formed on the cross-sectional suspension point plate, the cross-sectional suspension point plate is connected between the predetermined two adjacent holding pole sections by a second group of bolts, the first group of suspension point holes are used for hanging tools used during the construction process of the power transmission line. The first group of suspension point holes protrude at the periphery of the whole auxiliary cross arm, so that the tools used during the construction can be hung on the suspension point holes; with the utilization of the first group of suspension point holes, the tools are simple and convenient to hang, moreover, an uniform force is applied to the main body of the auxiliary cross arm, and the safety is also relatively high.
Description
Technical field
The present invention relates to high-voltage transmission equipment technical field, particularly relate to the auxiliary cross-arm of a kind of power transmission line construction.
Background technology
Along with the fast development that extra high voltage line is built, in UHV transmission line work progress, often run into the situation of crossing over critical facility, and present the features such as spanning height is more and more higher, number of times more and more, operating mode becomes increasingly complex.When crossing over critical facility, need to carry out block protection to newly-built circuit, but in practice of construction, very short to the block time of unit in charge of construction by the management unit across facility, within the limited time, safely and fast block can become an important task.
Prior art is in block work progress, and all construction Work tool adopts the mode of wirerope-winding to be connected on auxiliary cross-arm, needs with rope ladder or lie prone go construction in cross-arm when installing the Work tool be suspended on below auxiliary cross-arm.Following technical problem will be there is like this:
Because steel wire rope is directly wound around auxiliary cross-arm, steel wire rope and pole have friction, infringement cross-arm and steel wire rope; Work progress is complicated, and difficulty is large, and stress point is uneven, and potential safety hazard is large.
Therefore, those skilled in the art need to provide a kind of power transmission line to construct with auxiliary cross-arm, and construction can be made to become simple, and uniform force, Reliability comparotive is high.
Summary of the invention
In order to solve the auxiliary cross-arm of a kind of power transmission line of prior art construction, construction can be made to become simple, and uniform force, Reliability comparotive is high.
The invention provides the auxiliary cross-arm of a kind of power transmission line construction, comprising: multiple pole joint; Each described pole joint arranges screw;
Any two described adjacent pole joints are coupled together by first group of bolt and form auxiliary cross-arm; Also comprise: section suspension centre plate;
Described section suspension centre plate is arranged screw and first group of suspension centre hole;
Described section suspension centre plate is connected between two predetermined described adjacent pole joints by second group of bolt;
Described first group of suspension centre hole, for mounting the Work tool used in power transmission line work progress.
Preferably, also comprise: two side suspension centre plates;
Described side suspension centre plate is arranged screw and second group of suspension centre hole;
Described two side suspension centre plates are separately fixed at the two ends of described auxiliary cross-arm by the 3rd group of bolt;
Described second group of suspension centre hole, for mounting one end of hawser, the other end of described hawser fixes on the ground.
Preferably, also comprise: cat ladder;
Described pole joint is provided with cat ladder hole;
Described cat ladder hole, for fixing cat ladder by the 4th group of bolt.
Preferably, described section suspension centre plate is round rectangle frame;
The section that the size of the hollow space of described round rectangle frame and described pole save is in the same size, the framework of described round rectangle frame is arranged described first group of suspension centre hole.
Preferably, described side suspension centre plate comprises three plate faces, is respectively the first plate face, the second plate face and the 3rd plate face;
Described first plate face is mutually vertical with the second plate face, and described first plate face and the second plate face all arrange screw, and is bolted to the below of described auxiliary cross arm end by described 3rd group;
Described 3rd plate face respectively with described first plate face and the second obtuse-angulate angle in plate face; Described 3rd plate face arranges described second group of suspension centre hole.
Preferably, described section suspension centre plate adopts O345 steel to do.
Preferably, described first group of suspension centre hole is 12, is evenly arranged on the surrounding of described round rectangle frame.
Preferably, described side suspension centre plate adopts O345 steel to do.
Preferably, each described 3rd plate face arranges second group of suspension centre hole described in a group, and described second group of suspension centre hole is 3, is evenly arranged on described 3rd plate face.
Preferably, described cat ladder adopts O235 steel.
Compared with prior art, the present invention at least has the following advantages:
First group of suspension centre hole is given prominence in the periphery of whole auxiliary cross-arm, can mount the Work tool used in work progress like this on these suspension centre holes.And use steel wire rope to be bundled in by Work tool on auxiliary cross-arm in prior art, like this for auxiliary cross-arm main body discontinuity, and steel wire rope easily weares and teares, mounting process also more complicated.Utilize first group of suspension centre hole mounting Work tool convenient and simple, and for uniform force auxiliary cross-arm main body, fail safe is also higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the auxiliary cross-arm schematic diagram of power transmission line provided by the invention construction;
Fig. 2 a is the front view of section suspension centre plate provided by the invention;
Fig. 2 b is the end view of section suspension centre plate provided by the invention;
Fig. 3 is the front view of pole provided by the invention joint;
Fig. 4 a is the front view of side provided by the invention suspension centre plate;
Fig. 4 b is the end view of side provided by the invention suspension centre plate;
Fig. 5 is the front view of cat ladder provided by the invention.
Embodiment
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, this figure is the auxiliary cross-arm schematic diagram of power transmission line provided by the invention construction.
The auxiliary cross-arm of power transmission line construction that the present embodiment provides, comprising: multiple pole joint 10; Each described pole joint 10 arranges screw;
Any two described adjacent pole joints 10 are coupled together by first group of bolt and form auxiliary cross-arm; Also comprise: section suspension centre plate 20;
The front view of section suspension centre plate 20 is see Fig. 2 a, and end view is see Fig. 2 b.
Described section suspension centre plate 20 is arranged screw and first group of suspension centre hole 20a;
Described section suspension centre plate 20 is connected between two predetermined described adjacent pole joints 10 by second group of bolt;
Described first group of suspension centre hole 20a, for mounting the Work tool used in power transmission line work progress.
Be understandable that, first group of suspension centre hole 20a gives prominence in the periphery of whole auxiliary cross-arm, can mount the Work tool used in work progress like this on these suspension centre holes.
The front view of pole joint is see Fig. 3, and as can be seen from Figure 3, pole joint 10 is provided with screw 10a, and the screw in corresponding diagram 2a, penetrates screw by bolt, section suspension centre plate 20 can be fixed on pole joint 10.
And use steel wire rope to be bundled in by Work tool on auxiliary cross-arm in prior art, like this for auxiliary cross-arm main body discontinuity, and steel wire rope easily weares and teares, mounting process also more complicated.Utilize first group of suspension centre hole 20a to mount Work tool convenient and simple, and for uniform force auxiliary cross-arm main body, fail safe is also higher.
In another embodiment of auxiliary cross-arm provided by the invention, also comprise: two side suspension centre plates 40; See Fig. 4 a, this figure is side provided by the invention suspension centre plate front view, is the end view of side suspension centre plate see this figure of Fig. 4 b.
Described side suspension centre plate 40 is arranged screw and second group of suspension centre hole;
Described two side suspension centre plates 40 are separately fixed at the two ends of described auxiliary cross-arm by the 3rd group of bolt;
Described second group of suspension centre hole 40a, for mounting one end of hawser, the other end of described hawser fixes on the ground.
Be understandable that, side suspension centre plate 40 is arranged on below auxiliary cross-arm two ends, for setting lateral balance hawser, makes auxiliary pole lateral stability.
Described side suspension centre plate comprises three plate faces, is respectively the first plate face, the second plate face and the 3rd plate face;
Described first plate face is mutually vertical with the second plate face, and described first plate face and the second plate face all arrange screw, and is bolted to the below of described auxiliary cross arm end by described 3rd group;
Described 3rd plate face respectively with described first plate face and the second obtuse-angulate angle in plate face; Described 3rd plate face arranges described second group of suspension centre hole.
Be understandable that, in Fig. 4 b, illustrate only the first plate face 40c and the 3rd plate face 40d.Wherein the 3rd plate face 40d is provided with second group of suspension centre hole 40a.
First plate face 40c is provided with screw 40b, uses bolt to be fixed on auxiliary cross-arm by this side suspension centre plate 40.Be understandable that, the structure in the second plate face is identical with the structure in the first plate face, does not repeat them here.
In another embodiment of auxiliary cross-arm provided by the invention, see Fig. 5, also comprise: cat ladder 30.
Described pole joint is provided with cat ladder hole;
Described cat ladder hole, for fixing cat ladder by the 4th group of bolt.Accordingly, described cat ladder 30 is also provided with screw 30a.
In order to safety, described in state section suspension centre plate can for round rectangle frame;
The section that the size of the hollow space of described round rectangle frame and described pole save is in the same size, the framework of described round rectangle frame is arranged described first group of suspension centre hole.
Preferably, described section suspension centre plate adopts O345 steel to do, sturdy and durable.
Described first group of suspension centre hole can preferably be set to 12, is evenly arranged on the surrounding of described round rectangle frame, as shown in Figure 2 a, each limit is arranged 4.
Described side suspension centre plate adopts O345 steel to do, sturdy and durable.
Each described 3rd plate face arranges second group of suspension centre hole described in a group, and described second group of suspension centre hole is 3, is evenly arranged on described 3rd plate face.
Described cat ladder adopts O235 steel, sturdy and durable.Cat ladder installs the Work tool hung on auxiliary cross-arm for workmen, as corner block, and conveniently carry out netting construction working.
It should be noted that, section suspension centre plate can arrange the number of installation as required, such as each 2 or 3 pole joint installations section suspension centre plate.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention.Any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the Method and Technology content of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (10)
1. the auxiliary cross-arm of power transmission line construction, is characterized in that, comprising: multiple pole joint; Each described pole joint arranges screw;
Any two described adjacent pole joints are coupled together by first group of bolt and form auxiliary cross-arm; Also comprise: section suspension centre plate;
Described section suspension centre plate is arranged screw and first group of suspension centre hole;
Described section suspension centre plate is connected between two predetermined described adjacent pole joints by second group of bolt;
Described first group of suspension centre hole, for mounting the Work tool used in power transmission line work progress.
2. the auxiliary cross-arm of power transmission line construction according to claim 1, is characterized in that, also comprise: two side suspension centre plates;
Described side suspension centre plate is arranged screw and second group of suspension centre hole;
Described two side suspension centre plates are separately fixed at the two ends of described auxiliary cross-arm by the 3rd group of bolt;
Described second group of suspension centre hole, for mounting one end of hawser, the other end of described hawser fixes on the ground.
3. the auxiliary cross-arm of power transmission line construction according to claim 1, is characterized in that, also comprise: cat ladder;
Described pole joint is provided with cat ladder hole;
Described cat ladder hole, for fixing cat ladder by the 4th group of bolt.
4. the auxiliary cross-arm of power transmission line construction according to claim 2, it is characterized in that, described section suspension centre plate is round rectangle frame;
The section that the size of the hollow space of described round rectangle frame and described pole save is in the same size, the framework of described round rectangle frame is arranged described first group of suspension centre hole.
5. the auxiliary cross-arm of power transmission line construction according to claim 2, it is characterized in that, described side suspension centre plate comprises three plate faces, is respectively the first plate face, the second plate face and the 3rd plate face;
Described first plate face is mutually vertical with the second plate face, and described first plate face and the second plate face all arrange screw, and is bolted to the below of described auxiliary cross arm end by described 3rd group;
Described 3rd plate face respectively with described first plate face and the second obtuse-angulate angle in plate face; Described 3rd plate face arranges described second group of suspension centre hole.
6. the auxiliary cross-arm of power transmission line construction according to claim 1, it is characterized in that, described section suspension centre plate adopts O345 steel to do.
7. the auxiliary cross-arm of power transmission line construction according to claim 4, it is characterized in that, described first group of suspension centre hole is 12, is evenly arranged on the surrounding of described round rectangle frame.
8. the auxiliary cross-arm of power transmission line construction according to claim 2, it is characterized in that, described side suspension centre plate adopts O345 steel to do.
9. the auxiliary cross-arm of power transmission line construction according to claim 5, it is characterized in that, each described 3rd plate face arranges second group of suspension centre hole described in a group, and described second group of suspension centre hole is 3, is evenly arranged on described 3rd plate face.
10. the auxiliary cross-arm of power transmission line construction according to claim 3, it is characterized in that, described cat ladder adopts O235 steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511020514.4A CN105470864A (en) | 2015-12-30 | 2015-12-30 | Auxiliary cross arm for construction of power transmission line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201511020514.4A CN105470864A (en) | 2015-12-30 | 2015-12-30 | Auxiliary cross arm for construction of power transmission line |
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CN105470864A true CN105470864A (en) | 2016-04-06 |
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CN201511020514.4A Pending CN105470864A (en) | 2015-12-30 | 2015-12-30 | Auxiliary cross arm for construction of power transmission line |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2178955Y (en) * | 1993-10-13 | 1994-10-05 | 成都市玻璃钢制品厂 | Multipurpose rush-repair bar |
KR100718536B1 (en) * | 2005-12-29 | 2007-05-15 | 한국전기공사협회 | Screw type puller for supporting conductors in transmission lines |
CN201590619U (en) * | 2009-12-14 | 2010-09-22 | 河北省电力勘测设计研究院 | Power transmission line guano-proof protective plate |
CN201766313U (en) * | 2010-09-07 | 2011-03-16 | 福建省电力有限公司福州电业局 | Insulation cross-arm for dual circuit |
CN202117389U (en) * | 2011-06-30 | 2012-01-18 | 内蒙古电力勘测设计院 | Adjustable jumper fixing device |
CN202266069U (en) * | 2011-10-26 | 2012-06-06 | 中国电力工程顾问集团中南电力设计院 | Extra high voltage direct-current single loop strain tower in the shape of Chinese character 'Gan' |
CN202520047U (en) * | 2012-03-05 | 2012-11-07 | 浙江盛达铁塔有限公司 | Iron tower cross arm hanging frame |
CN103089056A (en) * | 2013-01-31 | 2013-05-08 | 辽宁省电力有限公司鞍山供电公司 | Installation metal tool and using method of tangent suspension tower changing single hanging point to double hanging points |
CN205355669U (en) * | 2015-12-30 | 2016-06-29 | 国家电网公司 | Power transmission line construction is with supplementary cross arm |
-
2015
- 2015-12-30 CN CN201511020514.4A patent/CN105470864A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2178955Y (en) * | 1993-10-13 | 1994-10-05 | 成都市玻璃钢制品厂 | Multipurpose rush-repair bar |
KR100718536B1 (en) * | 2005-12-29 | 2007-05-15 | 한국전기공사협회 | Screw type puller for supporting conductors in transmission lines |
CN201590619U (en) * | 2009-12-14 | 2010-09-22 | 河北省电力勘测设计研究院 | Power transmission line guano-proof protective plate |
CN201766313U (en) * | 2010-09-07 | 2011-03-16 | 福建省电力有限公司福州电业局 | Insulation cross-arm for dual circuit |
CN202117389U (en) * | 2011-06-30 | 2012-01-18 | 内蒙古电力勘测设计院 | Adjustable jumper fixing device |
CN202266069U (en) * | 2011-10-26 | 2012-06-06 | 中国电力工程顾问集团中南电力设计院 | Extra high voltage direct-current single loop strain tower in the shape of Chinese character 'Gan' |
CN202520047U (en) * | 2012-03-05 | 2012-11-07 | 浙江盛达铁塔有限公司 | Iron tower cross arm hanging frame |
CN103089056A (en) * | 2013-01-31 | 2013-05-08 | 辽宁省电力有限公司鞍山供电公司 | Installation metal tool and using method of tangent suspension tower changing single hanging point to double hanging points |
CN205355669U (en) * | 2015-12-30 | 2016-06-29 | 国家电网公司 | Power transmission line construction is with supplementary cross arm |
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Application publication date: 20160406 |
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