CN106058740A - Overhead line erecting method - Google Patents
Overhead line erecting method Download PDFInfo
- Publication number
- CN106058740A CN106058740A CN201610604192.6A CN201610604192A CN106058740A CN 106058740 A CN106058740 A CN 106058740A CN 201610604192 A CN201610604192 A CN 201610604192A CN 106058740 A CN106058740 A CN 106058740A
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- CN
- China
- Prior art keywords
- yoke plate
- coaster
- crossbeam
- installing rack
- plate
- 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.)
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Classifications
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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
- 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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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Abstract
The invention relates to an overhead line erecting method in the field of high-voltage power transmission. The method comprises the following steps: S1, placing a yoke plate and a block together at the lower end of an insulator string; S2, making bundled conductors cross the block and placing the bundled conductors on the pulleys of the block; S3, hoisting the bundled conductors one by one to corresponding positions of the yoke plate through lever hoists; and S4, removing the block. The problem in the existing line erecting method that the number of lever hoists required is large and the block is inconvenient to remove is solved.
Description
Technical field
The present invention relates to the aerial line stringing method in a kind of high voltage power transmission field.
Background technology
It is known that in high voltage power transmission field, need the layout steel tower at interval, split conductor passes through yoke plate frame at steel tower
On.The number of split conductor is many, weight big, and it is the most safely and effectively assemblied on yoke plate always those skilled in the art and thinks
Solve the technical problem that.
Existing aerial line stringing method is as shown in figs. 1-11: steel tower includes pylon (not shown), and steel towers sets
Being equipped with cross-arm, cross-arm has mounted yoke plate 10 by insulator chain 5, and common insulator chain 5 has I type string and V-type string etc., and division is led
Line 6 then needs to be arranged on the correspondence position of yoke plate 10 by each self-corresponding division wire clamp 9.Below with the stringing of six divisural lines
Existing aerial line stringing method is illustrated by process, mounts coaster 1 on insulator chain 5, and coaster 1 includes apparatus for suspension 2 He
Rotate the pulley 3 being assemblied on apparatus for suspension 2, pulley 3 is provided with multiple race 4, by tension device and limp, the six roots of sensation is divided
Splitting wire 6 to be pulled to respectively in the race of correspondence as Figure 2-3, during being somebody's turn to do, coaster 1 undertakes the weight of split conductor 6, at ferrum
Mounting Lever Blocks 7 on the pylon of tower, the sum of Lever Blocks 7 need to be corresponding with the number of split conductor, if such as every
If split conductor needs two Lever Blocks 7 hangings, it is necessary to 12 Lever Blocks 7 are set on pylon, pull calabash by hands
Correspondence split conductor 6 is sling by reed, is then dismantled by coaster 1, and yoke plate 10 is installed the lower end to insulator chain 5, then will be each
Split conductor 6 is lifted into the corresponding position of yoke plate, completes the stringing operation of split conductor.
Existing this aerial line stringing method there is a problem in that the stringing initial stage, and coaster undertakes the weight of split conductor
Amount, after coaster is removed, it is necessary to uses the Lever Blocks corresponding with split conductor number to sling respectively each split conductor, and this is with regard to need
Wanting considerable Lever Blocks, the most relatively costly, the narrowest high space arranges so much Lever Blocks and just seems special
The most crowded, operate very inconvenience；After corresponding lead is sling by Lever Blocks, need to remove coaster, and the most each point
Splitting wire under the lifting effect of corresponding chain 8, lifting state is not the most stable, especially has wind environment in vain at height
In, split conductor rocks the most back and forth, affects the demolishing process of coaster, and the demolishing process causing coaster is the most inconvenient；Using
Split conductor is installed to corresponding division wire clamp by Lever Blocks, it is possible to exist unhook risk (i.e. split conductor by
Come off on the hook of Lever Blocks), and now coaster has been removed, split conductor once breaks off relations and may result in serious safe thing
Therefore.
Summary of the invention
It is an object of the invention to provide a kind of aerial line stringing method, needed for solving in existing stringing method, hands pulls calabash
Reed number is more and inconvenient problem removed by coaster.
To achieve these goals, the technical solution adopted in the present invention is:
Aerial line stringing method, the method includes following layout, the first step, is placed under insulator chain by yoke plate together with coaster
End；Second step, makes each split conductor stride across coaster and is placed on the pulley of coaster；3rd step, is led division by Lever Blocks
Line lifts the corresponding position to yoke plate by root；4th step, removes coaster.
The apparatus for suspension of coaster includes the installing rack installed for pulley rotation and is arranged at the crossbeam of installing rack upper end, crossbeam one
End and installing rack releasable connection, the other end of crossbeam and installing rack be hinged or releasable connection.
In the described first step, yoke plate is connected to insulator chain lower end, and coaster is placed in insulation by being mounted on yoke plate
The lower end of substring.
The apparatus for suspension of coaster includes the installing rack installed for pulley rotation and is arranged at the crossbeam of installing rack upper end, crossbeam one
End and the hinged or releasable connection in installing rack releasable connection, the other end of crossbeam and installing rack.
Crossbeam is mounted on the upper end of yoke plate.
Crossbeam includes the forward and backward beam slab being positioned at yoke plate both sides, and the upper end of forward and backward beam slab is provided with breach of stepping down, insulator
The attachment structure that is connected with yoke plate of string is stepped down breach described in being positioned at, and crossbeam hangs on described yoke plate.
It is provided with down on crossbeam and convex mounts plate, mount to be provided with on plate and mount plate perforation, yoke plate is provided with yoke plate and wears
Hole, mounts during plate perforation is bored a hole with yoke plate to be coated with to realize mounting apparatus for suspension and mounts pin on yoke plate.
The invention have the benefit that in the present invention, coaster and yoke plate are concurrently placed at the lower end of insulator chain, thus can lead to
Crossing Lever Blocks to carry out split conductor lifting by root, remaining split conductor not lifted still is undertaken weight by coaster, respectively divides
Wire can use identical Lever Blocks lifting to the corresponding position of yoke plate, it is possible to use less Lever Blocks just can be real
Lifting by root of the most each split conductor, decreases the usage amount of Lever Blocks, reduces installation cost, and Lever Blocks is arranged simultaneously
The most crowded, it is also convenient in the aerial operation of height, in the last step removing coaster, each split conductor has been installed on connection
On plate, it is spacing that yoke plate has formed the movement to split conductor, even if therefore in height has wind environment in vain, split conductor also will not
There is big rocking, do not interfere with the demolishing process of coaster.
Additionally, during by split conductor by root lifting to corresponding division wire clamp, coaster is not removed, even if having point
Splitting wire to break off relations with Lever Blocks, split conductor also can fall to the pulley of coaster, cause the accident without directly falling.
Accompanying drawing explanation
Fig. 1 is the structural representation of coaster in prior art；
Fig. 2 is the schematic diagram after split conductor is placed on coaster in prior art；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the schematic diagram after each self-corresponding split conductor is sling by each Lever Blocks respectively in prior art；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the schematic diagram after being removed by coaster in prior art；
Fig. 7 is the left view of Fig. 6；
Fig. 8 is the process schematic in prior art by split conductor lifting to yoke plate correspondence position；
Fig. 9 is the left view of Fig. 8；
Figure 10 is the schematic diagram that coordinates that in prior art, stringing terminates rear split conductor and yoke plate, is also stringing in the present invention simultaneously
After end, split conductor and yoke plate coordinates schematic diagram；
Figure 11 is the left view of Figure 10；
Figure 12 is the structural representation of coaster in the present invention；
Figure 13 is the left view of Figure 12；
Figure 14 is the structural representation after coaster and yoke plate are placed on insulator chain in the present invention；
Figure 15 is the left view of Figure 14；
Figure 16 is the schematic diagram after split conductor is placed on coaster in the present invention；
Figure 17 is the left view of Figure 16；
Figure 18 is by Lever Blocks, split conductor to be lifted the process schematic to yoke plate in the present invention；
Figure 19 is the left view of Figure 18；
Figure 20 is the schematic diagram after each split conductor all lifts to yoke plate in the present invention；
Figure 21 is the left view of Figure 20；
Figure 22 is the demolishing process figure of coaster in the present invention；
Figure 23 is the left view of Figure 22.
Detailed description of the invention
The enforcement of aerial line stringing method is such as shown in Figure 10-23: the method comprises the following steps, the first step, as Figure 14-
Shown in 15, yoke plate 10 being placed in together with coaster 1 lower end of insulator chain, in the present invention, yoke plate 10 is by attachment structure and insulation
The lower end of substring 5 is connected, and coaster 1 is placed in the lower end of insulator chain 5 by mounting realization on yoke plate together with yoke plate.Yoke plate
10 include the yoke plate connecting hole being arranged on yoke plate 10 with the attachment structure of insulator chain 5, are arranged at the U-shaped of insulator chain lower end
Connector and the connecting pin 20 in being threaded onto U-shaped connector two side and yoke plate connecting hole, the apparatus for suspension of coaster includes for pulley 3
Rotating the installing rack 11 installed and the crossbeam 15 being arranged at installing rack 11 upper end, crossbeam 15 one end is passed through to be connected with in installing rack 11
Pin releasable connection, the other end of crossbeam 15 is hinged with installing rack 11, crossbeam 15 include being positioned at yoke plate both sides front beam slab 15-1, after
Beam slab 15-2, the upper end of forward and backward beam slab is provided with breach 14 of stepping down, and the attachment structure that insulator chain 5 is connected with yoke plate 10 is positioned at
Step down in breach.It is provided with down on forward and backward beam slab and convex mounts plate 12, mount to be provided with on plate and mount plate perforation 13, mount plate
And mount to be formed between the crossbeam of plate both sides and step down recess, thus yoke plate upper end can be used for connecting the position of split conductor
Put and allow out, do not interfere with the hoisting process of split conductor.It is provided with yoke plate perforation on yoke plate 10, mounts plate perforation and yoke plate
Being coated with the pin that mounts realizing mounting on yoke plate by apparatus for suspension in perforation, coaster is mounted on yoke plate 10 by mounting pin
On, yoke plate is then connected to the lower end of insulator chain.
Second step, makes each split conductor 6 stride across coaster and is placed on the pulley 3 of coaster, as shown in Figure 16 ~ 17, making each division
Wire 6 strides across the scheme that the process that coaster is placed on pulley can use tension device and limp to coordinate, and this step belongs to existing
There is technology, such as Publication No. CN102290742A, apply for the unfolding step disclosed in entitled " tension stringing construction technology ", because of
This step is no longer discussed in detail by this.
3rd step, as shown in figs. 18-21, lifts correspondence to yoke plate 10 by split conductor 6 by root by Lever Blocks 7
Position, is described in detail to this step below as a example by six-multiple conductor, uses two Lever Blocks 7 once to one piece point
Split wire 6 to lift, Lever Blocks can be electronic Lever Blocks can also be Special hoisting device.When a division is led
Line 6 lifts to the corresponding position of yoke plate, re-uses these two Lever Blocks and lifts next root split conductor, so
By root, six roots of sensation split conductor being lifted corresponding position to yoke plate respectively, the lifting of every split conductor all uses identical
Lever Blocks, thus can greatly save the number of Lever Blocks, and the split conductor not lifted then continues to be held by coaster 1
Weight.
4th step, as shown in figs. 22-23, removes coaster 1, in demolishing process, connecting pin of can dismantling, afterwards turns over crossbeam 15
?.
In the present invention, coaster is placed in the lower end of insulator chain together with yoke plate, and the split conductor not lifted can quilt
Coaster carries, and uses less Lever Blocks just can have been lifted by root by split conductor, while saving installation cost,
Without arranging crowded Lever Blocks in the installing space that high-altitude is narrow, facilitate whole operating process, improve installation effect
Rate；Split conductor is during by coaster lifting to yoke plate, and coaster plays the effect of insurance, even if there is split conductor and hands
Pulling calabash to break off relations, split conductor also will not directly land but fall on coaster, it is ensured that the safety of construction；Removing coaster
During, each split conductor is limited on yoke plate without rocking by firm, does not interferes with the demolishing process of coaster.
In other embodiments of the invention: crossbeam can also be realized by bolt with the removable of installing rack；Certainly crossbeam
Two ends can also be the most removable be connected with installing rack；When the attachment structure of yoke plate Yu insulator chain is positioned on the upside of crossbeam, horizontal
Breach of stepping down on beam can not also set；Coaster can not also be mounted on yoke plate by mounting pin, such as crossbeam lower end
Arranging the draw-in groove with yoke plate upper end shape adaptation, draw-in groove is stuck in the upper end of yoke plate, and the upper surface of yoke plate supports with the bottom land of draw-in groove
Coordinate thus realize mounting of coaster；Certainly coaster can also be not attached on yoke plate, such as set on insulator chain simultaneously
Put coaster attachment structure and yoke plate attachment structure, coaster is also installed on insulator chain；Coaster can also be bolted
On yoke plate；Coaster can also be placed in insulator chain lower end by being fixed on steel tower cross-arm；Realize solid conductor is lifted
The number of Lever Blocks can also is that one, three or other numbers.
Claims (7)
1. aerial line stringing method, it is characterised in that: the method comprises the following steps, the first step, is put by yoke plate together with coaster
Lower end in insulator chain；Second step, makes each split conductor stride across coaster and is placed on the pulley of coaster；3rd step, passes through hands
Pull calabash and split conductor is lifted the corresponding position to yoke plate by root；4th step, removes coaster.
Aerial line stringing method the most according to claim 1, it is characterised in that: the apparatus for suspension of coaster includes for pulley rotation
The installing rack installed and be arranged at the crossbeam of installing rack upper end, crossbeam one end and installing rack releasable connection, the other end of crossbeam with
Installing rack is hinged or releasable connection.
Aerial line stringing method the most according to claim 1, it is characterised in that: in the described first step, yoke plate is connected to
Insulator chain lower end, coaster is placed in the lower end of insulator chain by being mounted on yoke plate.
Steel towers line method the most according to claim 3, it is characterised in that: the apparatus for suspension of coaster includes pacifying for pulley rotation
The installing rack of dress and the crossbeam being arranged at installing rack upper end, crossbeam one end and installing rack releasable connection, the other end of crossbeam and peace
Shelve hinged or releasable connection.
Aerial line stringing method the most according to claim 4, it is characterised in that: crossbeam is mounted on the upper end of yoke plate.
Aerial line stringing method the most according to claim 4, it is characterised in that: before crossbeam includes being positioned at yoke plate both sides,
Rear beam slab, the upper end of forward and backward beam slab is provided with breach of stepping down, the attachment structure that insulator chain is connected with yoke plate be positioned at described in step down
In breach, crossbeam hangs on described yoke plate.
Aerial line stringing method the most according to claim 4, it is characterised in that: it is provided with down on crossbeam and convex mounts plate,
Mount to be provided with on plate and mount plate perforation, yoke plate is provided with yoke plate perforation, mount during plate perforation is bored a hole with yoke plate and be coated with reality
Now apparatus for suspension is mounted and mount pin on yoke plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604192.6A CN106058740B (en) | 2016-07-28 | 2016-07-28 | Overhead line stringing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604192.6A CN106058740B (en) | 2016-07-28 | 2016-07-28 | Overhead line stringing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106058740A true CN106058740A (en) | 2016-10-26 |
| CN106058740B CN106058740B (en) | 2018-02-06 |
Family
ID=57195592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610604192.6A Active CN106058740B (en) | 2016-07-28 | 2016-07-28 | Overhead line stringing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106058740B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771249A (en) * | 2008-12-29 | 2010-07-07 | 上海市电力公司 | Seven-wheel line tackle |
| CN102290742A (en) * | 2011-08-26 | 2011-12-21 | 湖北省输变电工程公司 | Tension stringing construction technology |
| CN102403673A (en) * | 2011-10-21 | 2012-04-04 | 安徽送变电工程公司 | Novel 2* one-drag-three tension stringing construction process |
| CN202353095U (en) * | 2011-11-30 | 2012-07-25 | 湖北省输变电工程公司 | Wire lifting arrangement structure for 8-bundled conductors on straight-path tower |
| CN103500963A (en) * | 2013-09-24 | 2014-01-08 | 国网上海市电力公司 | Suspension device for wire-unwinding tackle with combination between one-pull-four mode and one-pull-two mode |
| CN103515860A (en) * | 2013-10-23 | 2014-01-15 | 国家电网公司 | Double-pulley hanging method for synchronously unfolding ultrahigh-voltage multi-bundled conductor |
-
2016
- 2016-07-28 CN CN201610604192.6A patent/CN106058740B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771249A (en) * | 2008-12-29 | 2010-07-07 | 上海市电力公司 | Seven-wheel line tackle |
| CN102290742A (en) * | 2011-08-26 | 2011-12-21 | 湖北省输变电工程公司 | Tension stringing construction technology |
| CN102403673A (en) * | 2011-10-21 | 2012-04-04 | 安徽送变电工程公司 | Novel 2* one-drag-three tension stringing construction process |
| CN202353095U (en) * | 2011-11-30 | 2012-07-25 | 湖北省输变电工程公司 | Wire lifting arrangement structure for 8-bundled conductors on straight-path tower |
| CN103500963A (en) * | 2013-09-24 | 2014-01-08 | 国网上海市电力公司 | Suspension device for wire-unwinding tackle with combination between one-pull-four mode and one-pull-two mode |
| CN103515860A (en) * | 2013-10-23 | 2014-01-15 | 国家电网公司 | Double-pulley hanging method for synchronously unfolding ultrahigh-voltage multi-bundled conductor |
Non-Patent Citations (1)
| Title |
|---|
| 唐蔚平: "紧凑型输电线路架线施工工艺", 《江西电力》 * |
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| Publication number | Publication date |
|---|---|
| CN106058740B (en) | 2018-02-06 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Haoxiang Inventor after: Mao Zhidan Inventor after: Zhang Haixia Inventor after: Jia Yang Inventor after: Liu Quanhong Inventor after: Zhang Qifeng Inventor after: Shang Tingdong Inventor after: Zhu Leilei Inventor after: Feng Yun Inventor after: Liu Hui Inventor after: Ke Cunrong Inventor after: Sun Liang Inventor before: Shang Tingdong Inventor before: Zhang Haixia Inventor before: Jia Yang |
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