CN101877460B - Extreme high voltage combined paying off pulley - Google Patents
Extreme high voltage combined paying off pulley Download PDFInfo
- Publication number
- CN101877460B CN101877460B CN 200910066883 CN200910066883A CN101877460B CN 101877460 B CN101877460 B CN 101877460B CN 200910066883 CN200910066883 CN 200910066883 CN 200910066883 A CN200910066883 A CN 200910066883A CN 101877460 B CN101877460 B CN 101877460B
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- high voltage
- pulley
- extreme high
- coaster
- voltage combined
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- 238000010276 construction Methods 0.000 abstract description 28
- 239000004677 Nylon Substances 0.000 abstract description 4
- 229920001778 nylon Polymers 0.000 abstract description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 240000009087 Crescentia cujete Species 0.000 description 2
- 235000005983 Crescentia cujete Nutrition 0.000 description 2
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention relates to an extreme high voltage combined paying off pulley, comprising a main hanging board, a chassis, a side vertical column and a main shaft, the extreme high voltage combined paying off pulley is characterized in that: two middle vertical columns are arranged between a main shaft and the chassis, a bearing wheel and three lead wire wheels are arranged between the middle vertical column and the side vertical column, and a bearing wheel and two guiding wheels are arranged between the two middle vertical columns. In the invention, nylon wheel discs on the pulleys with two specifications can be exchanged, the construction investment is reduced, the construction safety is ensured, and double-traction need of an extreme high voltage line is realized.
Description
Technical field
The present invention relates to the drafting tool of use in the construction of a kind of 1000kv leads of ultra-high voltage power transmission lines unfolding, especially relate to the extreme high voltage combined paying off pulley that a kind of homophase once unfolds six-eight large-section leads.
Background technology
Since last century, late nineteen seventies China article one 500kV extra high voltage network engineering began construction under tension stringing, through the constructions in 30 years, summary, raising, in supergrid is built, construction under tension stringing reaches its maturity, and the coaster that uses in the line construction mostly is nine and takes turns coaster, and nine breast wheels of taking turns coaster are BOGEY WHEELs, and other 8 is guide roller, so need large-tonnage hauling machine, traction steel rope of cable and connector etc. supporting when using, increased the input of Work tool; Because be the axis design, the wheel sheet diameter of axle is larger, and former sheave sheet can not exchange in addition; Namely enabling of having exchanged, and framework and link plate also must all replace, and waste very much material.
Now along with being in full swing of extra-high voltage grid construction, the generally application of large-section lead, new problem constantly pendulum in face of us." two lead eight " tension stringing construction technology is exactly under the requirement that the large-section lead in-phase synchronization once unfolds, and leads a kind of effective stringing construction method that equipment proposes according to existing.China's network system is upgraded to 1,000,000 volts, and has successfully built with charging operation article one UHV transmission line demonstration project to Hubei in Shanxi.Therefore, according to the demand of ultra high voltage overhead construction process and the requirement of saving cost, former coaster can not satisfy the construction demand.Research and development are imminent with the matching used extreme high voltage combined paying off pulley of unwrapping wire.
Summary of the invention
Technical problem to be solved by this invention is that a kind of extreme high voltage combined paying off pulley of development replaces traditional coaster, to overcome deficiencies such as needing matching used large-tonnage hauling machine, pull rope, connector in the conventional construction method, and the effectively fail safe of assurance construction, significantly reduce the input of Work tool, reduce cost.
For solving the problems of the technologies described above, the invention provides a kind of extreme high voltage combined paying off pulley, comprise main link plate, underframe, edge column, main shaft, a BOGEY WHEEL and eight guide rollers, it is characterized in that: be provided with two central posts between main shaft and the underframe, central post and edge column among are provided with a BOGEY WHEEL and three guide rollers, are provided with a BOGEY WHEEL and two guide rollers between two central posts.
In order to realize the conversion between " two lead six " coaster and " two lead eight " coaster, be connected with underframe at the link plate of coaster and design respectively two installing holes that are connected with edge column.
For making things convenient for the turnover such as pull rope coaster, between the main link plate of a side and edge column, be provided with large hinge and length-adjustable small hinge.
The present invention adopts fabricated structure, the axis design of thin footpath, the centre adds two groups of columns to overcome owing to the meticulous undercapacity that brings of axis diameter, the coaster builder's tonnage is 30 tons, but its diameter of axle is consistent in the diameter of axle of 15 tons of coasters, and such design can be so that the two kinds of supratrochlear nylon wheel sheet of specification Alternates, greatly having reduced construction drops into, improve the utilance of nylon wheel sheet, saved cost, and effectively guaranteed the fail safe of construction; Central post and edge column among are provided with a BOGEY WHEEL and three guide rollers, are provided with a BOGEY WHEEL and two guide rollers between two central posts, realize that the two tractions of extra high voltage line need; Be connected with underframe at the link plate of coaster and design respectively two installing holes that are connected with column, the installing hole in the outside is that assembling 11 skiddings are automobile-used, and the installing hole of the inside is used for assembling 9 and takes turns coaster.Like this, take turns coaster and 11 9 and take turns in the exchange assembling process of coaster, it is just passable only to need to change an axis, has improved to greatest extent the utilance of current material, to satisfy the different engineering construction of wire split form, has saved cost, has enlarged versatility; The large small hinge of setting up, can be in the situation of not using aid (such as the large-tonnage zipper calabash etc.) and dismounting lug pad, realize the turnover coaster operation of elementary messenger and secondary messenger, greatly improve convenience and the efficiency of construction of " around the method for leading " construction, brought higher repayment with less input;
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the field layout plan.
Embodiment
With reference to Fig. 1, Fig. 2, the present invention includes the fastening bolt 21 that small hinge 1, edge column installing hole 2, large hinge 3, main hanging hole 4, auxiliary construction hole 5, third wheel anchor hole 6, main link plate 7, anchor hole 8, anti-clamp block 9, main shaft set bolt and door 10, small hinge latch 11, BOGEY WHEEL 12, guide roller 13, main shaft 14, edge column 15, central post 16, large hinge bolt 17, coaster peace are torn auxiliary hanging point 18, backguy hanging point 19, underframe 20, edge column and underframe open.
Main link plate 7 upper ends link to each other with the gold utensil link plate by main hanging hole 4, the lower end passes on left large hinge bolt 17 and is connected with large hinge 3, the right side, lower end is connected with edge column 15 by fastening bolt, when auxiliary construction hole 5 is lifted on the steel tower at coaster, play the effect of Hoisting tackle, it bears the weight of coaster body.Third wheel anchor hole 6, anchor hole 8 are positioned on the main link plate 7, can be used as the fixedly hanging point of temporary guy when construction.Anti-clamp block 9 is separately fixed on the edge column 15 by two bolts, when wire coaster by the time, prevent in the slit of wire clamp between guide roller 13 and edge column.The coaster peace is torn auxiliary hanging point 18 open and is welded on the edge column 15, and the effect of its performance is consistent with auxiliary construction hole 5, just the difference of construction method.Backguy hanging point 19 also is welded on the edge column, and it plays a role to strain tower (also being angle tower) time at pulley suspension, because when strain tower, coaster will tilt certain angle to make things convenient for limp to pass through smoothly.Main shaft 14 is after installing in turn the parts such as guide roller 13, BOGEY WHEEL 12, central post 16, and the main shaft set bolt by two ends and door 10 link into an integrated entity with edge column 15.The underframe 20 of square steel type links to each other with edge column 15 with central post 16 by fastening bolt 21.Small hinge 1 upper end links to each other with main link plate 7 by connecting bolt, and the lower end links to each other with edge column 15 by small hinge latch 11.Small hinge 1 possesses the length self-regulating function, it is opened or closure in turn with large hinge 3, can be in the situation of not using aid (such as the large-tonnage zipper calabash etc.) and dismounting lug pad, realize the turnover coaster operation of elementary messenger and secondary messenger, greatly improved convenience and the efficiency of construction of " around the method for leading " construction.
During assembling, at first 6 guide rollers, 5 BOGEY WHEELs, 2 parts such as central post are installed on the main shaft in order.And then two edge columns are installed to the two ends of main shaft, and with bolt tightening.At last the underframe of main link plate and square steel type is connected respectively to the up and down two ends of two edge columns.Thereby finish the assembly working of coaster.During construction, utilize 3 tons of motor-driven grinding mills with pulley suspension to the gold utensil link plate.
With reference to Fig. 3, hauling machine 22, main pull rope 23, large-tonnage rotary connector 24, traction steel rope of cable 25, combined paying off pulley 26, limp 27, little tonnage rotary connector 28, wire 29, tensioner 30.
The course of work of the present invention: in the unfolding conductor construction of extra high voltage line, hang 2 (DC engineering) or 3 (interchange engineering) extreme high voltage combined paying off pulley on every grade of tangent tower.If the king-sized strain tower of corner angle then needs to hang 4 or 6 extreme high voltage combined paying off pulley, and will be according to the difference of corner angle, the coaster corresponding angle that need to tilt be so that limp can be passed through coaster smoothly.Coaster specifically is suspended on insulator string below by the gold utensil link plate.Nylon wheel above the coaster can independence and freedom rotate, and does not interfere with each other.In the unfolding process of messenger and wire, coaster plays the effect of support messenger and wire, has concurrently wire simultaneously spaced apartly, prevents the mutually impaired effect of friction of wire.Electro-insulating rubber on its race also is the effect of playing guardwire.
Claims (3)
1. extreme high voltage combined paying off pulley, comprise main link plate, underframe, edge column, main shaft, it is characterized in that: main shaft adopts the axis design of thin footpath, be provided with two central posts between main shaft and the underframe, central post and edge column among are provided with two BOGEY WHEELs and two guide rollers, are provided with a BOGEY WHEEL and two guide rollers between two central posts.
2. extreme high voltage combined paying off pulley according to claim 1 is characterized in that: be connected with underframe at the link plate of coaster and design respectively two installing holes that are connected with edge column.
3. extreme high voltage combined paying off pulley according to claim 1 and 2 is characterized in that: be provided with large hinge and length-adjustable small hinge between the main link plate of a side and edge column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910066883 CN101877460B (en) | 2009-04-29 | 2009-04-29 | Extreme high voltage combined paying off pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910066883 CN101877460B (en) | 2009-04-29 | 2009-04-29 | Extreme high voltage combined paying off pulley |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101877460A CN101877460A (en) | 2010-11-03 |
| CN101877460B true CN101877460B (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910066883 Active CN101877460B (en) | 2009-04-29 | 2009-04-29 | Extreme high voltage combined paying off pulley |
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| Country | Link |
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| CN (1) | CN101877460B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074910B (en) * | 2010-11-29 | 2013-01-09 | 国家电网公司 | General combined type stringing pulley |
| CN103401187B (en) * | 2013-08-19 | 2016-08-17 | 国家电网公司 | Multifunction pulley |
| CN104590951B (en) * | 2014-12-31 | 2018-01-23 | 国家电网公司 | A kind of tensioner |
| CN105305315A (en) * | 2015-12-10 | 2016-02-03 | 四川电力送变电建设公司 | Light pressing line tackle |
| CN105743023B (en) * | 2016-03-16 | 2017-10-17 | 国网山东省电力公司章丘市供电公司 | A kind of multifunctional assembled stringing vehicle of transmission line of electricity and stringing method |
| CN109119932B (en) * | 2018-05-25 | 2023-06-20 | 安徽送变电工程有限公司 | '2-traction-3' paying-off pulley suspension device with balancing function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5178368A (en) * | 1988-02-01 | 1993-01-12 | Alessandro Saracini | Apparatus for stringing high tension power lines on a set of towers |
| CN201041926Y (en) * | 2007-04-29 | 2008-03-26 | 云南省送变电工程公司 | Power line laying air upward three-wheel pulley |
| CN201191728Y (en) * | 2008-05-08 | 2009-02-04 | 宁波东方电力机具制造有限公司 | Triplex stringing slid vehicle |
| CN201191729Y (en) * | 2008-05-08 | 2009-02-04 | 宁波东方电力机具制造有限公司 | Conductive wire branching device |
| CN101359815A (en) * | 2008-10-07 | 2009-02-04 | 北京送变电公司 | Scooter for tension stringing |
| CN201388018Y (en) * | 2009-04-29 | 2010-01-20 | 国网交流工程建设有限公司 | Ultra-high voltage combined type pay-off pulley |
-
2009
- 2009-04-29 CN CN 200910066883 patent/CN101877460B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5178368A (en) * | 1988-02-01 | 1993-01-12 | Alessandro Saracini | Apparatus for stringing high tension power lines on a set of towers |
| CN201041926Y (en) * | 2007-04-29 | 2008-03-26 | 云南省送变电工程公司 | Power line laying air upward three-wheel pulley |
| CN201191728Y (en) * | 2008-05-08 | 2009-02-04 | 宁波东方电力机具制造有限公司 | Triplex stringing slid vehicle |
| CN201191729Y (en) * | 2008-05-08 | 2009-02-04 | 宁波东方电力机具制造有限公司 | Conductive wire branching device |
| CN101359815A (en) * | 2008-10-07 | 2009-02-04 | 北京送变电公司 | Scooter for tension stringing |
| CN201388018Y (en) * | 2009-04-29 | 2010-01-20 | 国网交流工程建设有限公司 | Ultra-high voltage combined type pay-off pulley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101877460A (en) | 2010-11-03 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JILIN ELECTRIC POWER TRANSMISSION + TRANSFORMATION Free format text: FORMER OWNER: JILIN ELECTRIC POWER TRANSMISSION + TRANSFORMATION ENGINEERING COMPANY Effective date: 20130109 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130109 Address after: 100140, Room 501, Huashi building, No. 26, Xicheng District Finance Street, Beijing, China Applicant after: State Grid AC Engineering Construction Co., Ltd. Applicant after: Jilin Power Transmission and Transformation Engineering Co., Ltd. Applicant after: State Grid Corporation of China Address before: 100140, Room 501, Huashi building, No. 26, Xicheng District Finance Street, Beijing, China Applicant before: State Grid AC Engineering Construction Co., Ltd. Applicant before: Jilin Power Transmission and Transformation Engineering Co., Ltd. |
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Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: STATE GRID AC ENGINEERING CONSTRUCTION CO., LTD. Effective date: 20140306 Owner name: STATE GRID AC ENGINEERING CONSTRUCTION COMPANY JIL Free format text: FORMER OWNER: JILIN ELECTRIC POWER TRANSMISSION + TRANSFORMATION ENGINEERING COMPANY STATE GRID CORPORATION OF CHINA Effective date: 20140306 |
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Free format text: CORRECT: ADDRESS; FROM: 100140 XICHENG, BEIJING TO: 100031 XICHENG, BEIJING |
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Effective date of registration: 20140306 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: State Grid AC Engineering Construction Company Patentee after: Jilin Power Transmission and Transformation Engineering Co., Ltd. Address before: 100140, Room 501, Huashi building, No. 26, Xicheng District Finance Street, Beijing, China Patentee before: State Grid AC Engineering Construction Co., Ltd. Patentee before: Jilin Power Transmission and Transformation Engineering Co., Ltd. Patentee before: State Grid Corporation of China |