CN108278034A - Difficult location electric pole replaces construction method - Google Patents
Difficult location electric pole replaces construction method Download PDFInfo
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- CN108278034A CN108278034A CN201810100951.4A CN201810100951A CN108278034A CN 108278034 A CN108278034 A CN 108278034A CN 201810100951 A CN201810100951 A CN 201810100951A CN 108278034 A CN108278034 A CN 108278034A
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- electric pole
- pole
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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
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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
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The present invention relates to a kind of difficult location electric poles to replace construction method, is segmented by preparation of construction, old electric pole computational check of stress, electric pole, is had a power failure to circuit, mounting suspension and pulley blocks, electric pole hole are backfilling and compacted on existing electric pole；Pole on hoisting electric pole connects pole on electric pole with lower pole, fitting, and banding insulation, existing electric pole are removed.Solves the construction difficult problem that location construction of meeting difficulty in existing power overhead network transformation process can not promote, the electric pole for capturing difficult location is replaced, and is completed existing power overhead network transformation and is open to traffic.
Description
Technical field
The present invention relates to a kind of difficult location electric poles to replace construction method, belongs to electric power project engineering field, is suitable for both
There is power overhead network improvement project.
Background technology
It is known that Chinese patent CN103806735B discloses a kind of " based on to the electric pole replacing options in electric power pipe network ",
It, by manually carrying out method for assembling to electric pole using pulley blocks and lifting tool, has construction tool letter using herringbone holding pole method
Single, manpower group pole erecting operates the features such as simple.But its method needs to whole electric pole organize to stand, and segmentation electric pole can not group
It is vertical, and electric pole replaces the space that position must assure that at least 1.5 times of bars length away from electric rod pit center line surrounding.Difficulty
Section, especially residential block, other lines such as densely populated, surrounding building is more, the narrow congestion in lane, power circuit and communication network
Road weave in, when electric pole replaces extremely difficult, the method is infeasible.
Invention content
The technical problem to be solved in the present invention is to provide a kind of difficult location electric poles to replace construction method, is segmented by electric pole
Lifting mode solves the construction difficult problem that location construction of meeting difficulty in existing power overhead network transformation process can not promote,
Electric pole for capturing difficult location is replaced, and is completed existing power overhead network transformation and is open to traffic.
In order to solve the above problem, the specific technical solution of the present invention is as follows：A kind of difficulty location electric pole replaces construction method,
Steps are as follows：
1）Preparation of construction；
2）Old electric pole computational check of stress：The bear responsibility power received of electric pole is M, pulling force F, and the electric pole gravity sling is G, and gravity is normal
Number is g, M=F=G=mg, and allowing moment of flexure tables of data to inquire by electric pole allows moment of flexure size, and the endurance of old electric pole is more than new electricity
The gravity of bar subordinate, complies with standard；
3）It is divided to two sections 12 meters of electric poles, 6 meters every section, segmentation electric pole is transported to finger by centre flanged joint using electric pole transport vehicle
Fixed pole position；
4）Have a power failure to circuit；
5）Mounting suspension and pulley blocks on existing electric pole：5.1）Small hanging bracket is installed：Middle phase line is tied up bottle line to remove, middle phase line is put
The side on cross-arm is set, head iron is removed, small hanging bracket is mounted in existing electric pole head；5.2）Small hanging bracket install after
It is fixedly connected with pulley on the hanging ring of small hanging bracket, passes through operation rope, the other end of rope to be connect with sunpender hanger in pulley, passes through work
Sunpender hanger is pulled at electric pole head by industry rope, and sunpender hanger is fixedly connected with electric pole head；5.3）It digs pit in electric pole hole；
5.4）Winch is fixed；5.5）Pulley blocks are installed：Upper sheave is fixedly connected with hanging ring, and lower pulley is fixed on both by steel wire rope
Have on electric pole, fixed position apart from 0.5 meter of ground, by the steel wire rope on winch release the lower pulley under bar pass through around to
Upper sheave on bar is vertically being drawn down toward new electric pole away from head one third position, and binds secured, the electric pole lifted by crane
Two operation ropes, the direction of control-rod tail during power pole hoisting are bound on flange at 200MM；
6）Electric pole hole is backfilling and compacted；
7）Pole on hoisting electric pole, method is the same as step 5）；
8）Pole on electric pole is connected with lower pole：When the first half is increased over the lower half positions flange 10mm, operating personnel steps on bar
The two poles of the earth electric pole is attached, 6 extension bar bolts are all put on rear diagonal fastening bolt, until electric pole flange surrounding does not have
When gap bolt compact limit point electric pole docking finish；
9）Fitting, banding insulation；
10）Existing electric pole is removed.
The step 5.3）The position in middle bar hole should be in suitable line direction at 0.5 meter of existing electric pole, and bar hole is hung down
Straight lower digging, reserves manpower upright bar riding track, and 12 meters of electric rod pits are 2 meters deep.
The step 5.4）Middle winch is solid using the method for the steel wire loop of the sub- jinny tail portion of nail drill rod on the ground
Fixed, drill rod usage quantity is three, and three drill rod are fixed at triangular, being visited to underground obstacle before following closely drill rod
It surveys.
The step 6）Middle electric pole center is on existing line center line, after electric pole centering, carries out backfill operation, often
Every 300mm compactions in layers, electric pole backfill has anti-heavy platform, anti-heavy platform to be higher by ground level 300mm.
The step 9）Middle remove conducting wire from existing electric pole is inserted on new electric pole insulator, banding insulation
Son.
What the present invention was brought has the beneficial effect that：It is segmented electric pole by customization, pre-replacement electric pole is solved and is in residential block, surrounding
Places, the whole electric poles such as building is more, narrow lane can not be transported to the problem of pre-replacement electric pole position, be made full use of simultaneously
The self-control hanger device of existing electric pole head installation is as arm, and pulley blocks are as hangar system, using winch as tractive force,
The manpower simple and easy hoisting system of composition come the lower pole group of completing electric pole, sling and connect entire electric pole with lower pole and replaced by vertical, upper pole
Journey.
Description of the drawings
Fig. 1 is small hanging bracket scheme of installation.
Fig. 2 is sunpender hanger scheme of installation.
Fig. 3 is power pole hoisting operation schematic diagram.
Wherein, 1- pulleys, 2- hangers, the existing electric poles of 3-, pole under the new electric poles of 4-, 5- electric rod pits, 6- winches, 7- drill rods, 8-
Hanging ring.
Specific implementation mode
As shown in Figs. 1-3, a kind of difficult location electric pole replaces construction method, it is characterised in that following steps：
1）Preparation of construction；
2）Old electric pole computational check of stress：The bear responsibility power received of electric pole is M, pulling force F, and the electric pole gravity sling is G, and gravity is normal
Number is g, M=F=G=mg, and allowing moment of flexure tables of data to inquire by electric pole allows moment of flexure size, and the endurance of old electric pole is more than new electricity
The gravity of bar subordinate, complies with standard；
3）It is divided to two sections 12 meters of electric poles, 6 meters every section, segmentation electric pole is transported to finger by centre flanged joint using electric pole transport vehicle
Fixed pole position；
4）Have a power failure to circuit；
5）Mounting suspension and pulley blocks on existing electric pole：5.1）Small hanging bracket is installed：Middle phase line is tied up bottle line to remove, middle phase line is put
The side on cross-arm is set, head iron is removed, small hanging bracket 2 is mounted in 3 head of existing electric pole；5.2）Small hanging bracket 2 installs
Pulley 1 is fixedly connected on the hanging ring 8 of small hanging bracket 2 afterwards, operation rope, the other end and the sunpender hanger 2 of rope is passed through to connect in pulley 1
It connects, sunpender hanger 2 is pulled at electric pole head by operation rope, sunpender hanger 2 is fixedly connected with electric pole head；5.3）Electric pole
It digs pit in bar hole；5.4）Winch 6 is fixed；5.5）1 group of installation of pulley：Upper sheave 1 is fixedly connected with hanging ring 8, and lower pulley 1 passes through
Steel wire rope is fixed on existing electric pole 3, and fixed position releases the steel wire rope on winch 6 under bar apart from 0.5 meter of ground
Lower pulley 1, which is passed through, is vertically drawing down toward new electric pole around to the upper sheave 1 on bar away from head one third position, and binds
Securely, two operation ropes, the direction of control-rod tail during power pole hoisting are bound on the electric pole flange lifted by crane at 200MM；
6）Electric rod pit 5 is backfilling and compacted；
7）Pole on hoisting electric pole, method is the same as step 5）；
8）Pole on electric pole is connected with lower pole：When the first half is increased over the lower half positions flange 10mm, operating personnel steps on bar
The two poles of the earth electric pole is attached, 6 extension bar bolts are all put on rear diagonal fastening bolt, until electric pole flange surrounding does not have
When gap bolt compact limit point electric pole docking finish；
9）Fitting, banding insulation；
10）Existing electric pole 3 is removed.
The step 5.3）The position in middle bar hole should be in suitable line direction at 30.5 meters of existing electric pole, and bar hole is hung down
Straight lower digging, reserves manpower upright bar riding track, and 12 meters of electric rod pits 5 are 2 meters deep.
The step 5.4）Middle winch 6 is solid using the method for the steel wire loop of 7 jinny of nail drill rod, 6 tail portion on the ground
Fixed, 7 usage quantity of drill rod is three, and three drill rods 7 are fixed at triangular, is carried out to underground obstacle before following closely drill rod 7
Detection.
The step 6）Middle electric pole center is on existing line center line, after electric pole centering, carries out backfill operation, often
Every 300mm compactions in layers, electric pole backfill has anti-heavy platform, anti-heavy platform to be higher by ground level 300mm.
The step 9）Middle remove conducting wire from existing electric pole 3 is inserted on new electric pole insulator, banding insulation
Son.
Embodiment：
1 preparation of construction
1.1）Drawing examination, work pipe portion tissue professional technique responsible person can with construction, management, design and take over unit is to drawing
Made a joint checkup, to drawing there are the problem of solved in time, it is ensured that the accuracy of construction drawing.
1.2）Construction technical schemes, according to live factual survey situation, in conjunction with design document content, establishment electric pole replacement is applied
Work technical solution, construction technical schemes report supervisor to ratify.
1.3）Design is told somebody what one's real intentions are, and designing institute tells somebody what one's real intentions are to pathway, bar height, span and the construction precautions of replacing electric pole,
It avoids going wrong in work progress, influences the quality of construction.
1.4）The characteristics of technical security is told somebody what one's real intentions are, and person in charge of the technology aspect is directed to this construction task, technical standard and quality requirement
It tells somebody what one's real intentions are to construction personnel, carrying out safety to construction worker in safety according to the construction characteristic for replacing electric pole tells somebody what one's real intentions are.
1.5）According to the technology requirement for replacing electric pole, working small hanging bracket, sunpender hanger device are made.
2 old electric pole computational check of stress
2.1）Old electric pole is 10 meters of electric poles of steel hoop concrete, and arrangement of reinforcement is 14/ φ 14, tip diameter 170mm, root diameter 300mm, electric pole
1.8 meters of buried depth, electric pole quality 900kg.
1.2 electric pole of table allows moment of flexure tables of data (GB4623-84)
2.2）New electric pole is 12 meters of electric poles of annular prestressed armored concrete, and arrangement of reinforcement is 16/ φ 4.8, tip diameter 190mm, root diameter
When 350mm, whole electric pole quality 1000kg.Upper pole electric pole quality is 400kg after split pole, and subordinate's electric pole quality is 600kg.
2.3）This engineering method utilizes the electric pole hanger of old electric pole installation, and the fixed pulley installed on hanger is using winch as traction
Power works in place to promote electric pole.
2.4）Electric pole is born responsibility the power M received, pulling force F, electric pole gravity G, the g gravity constant sling.
M=F=G=mg=600kg*9.8N/kg =5880N=5.88KN
2.5）Allow moment of flexure tables of data that can inquire at 10 meters of old electric pole top 1.0m of tip diameter Φ 170 by 1.2 electric pole of table
Allow moment M max=9.3KN ＞ M=5.88KN, so by examining weight of the endurance much larger than new electric pole subordinate for calculating old electric pole
Power, so this engineering method complies with standard.
3. electric pole transportation
Residential block lane is more, street canyon, and normal 12 meters of electric pole electric pole transport vehicles can not turn, and electric pole is transported less than specified bar
Position.Through field investigation, research, 12 meters of electric poles（Φ190-12）It is divided to two sections, 6 meters every section, centre flanged joint had both met and applied
Work quality requirement can overcome again scene transport require, use self-control electric pole transport vehicle, it is easy to segmentation electric pole is transported to it is specified
Bar position.
4. a pair circuit has a power failure
It is contacted in advance with power department, declares power failure plan, plan carries out power cut construction by having a power failure；It, must after line outage electrical verification
It must take safety measures i.e.：Ground connection envelope line, after can just carry out construction operation.
Mounting suspension and pulley blocks on 5 bars
5.1）Small hanging bracket is installed：First electric power work steps on bar electrical verification, confirms without starting operation after electricity.First, middle phase line is tied up into bottle
Line is removed, and middle phase line is placed into the side on cross-arm, head iron is removed, wherein two side phase lines not remove, and will be again
Binding is secured, second electric power work step on bar to fasten seat belts in one work surface of personnel on first bar, two electric power works
Start that small hanging bracket is installed, two electric power works of small hanging bracket lighter in weight itself serve as small hanging bracket can be completed in industry rope transmission and installation
Work.
5.2）Sunpender hanger is installed：Small hanging bracket hangs up properly pulley after installing on the hanging ring of small hanging bracket, and in pulley
Operation rope is put on, a ground cooperation personnel tie up to one end of rope on sunpender hanger, and 4 ground cooperation personnel will hang together
Rod hanger is pulled at the head position of existing electric pole and remains stationary as, and sunpender hanger is quickly mounted on existing electricity by personnel on two bars
On club head, personnel must fasten the fixing bolt of sunpender hanger anchor ear firm on bar.
5.3）It excavates in electric pole hole：The position in bar hole should along line direction at 0.5 meter of existing electric pole and conveniently
The position of construction, bar hole, which is excavated, uses hand excavation, and bar hole is vertically lower to be dug, and reserves manpower upright bar riding track, 12 meters of electric rod pits deep 2
Rice.
5.4）Winch is fixed：Winch is fixed using the method for the steel wire loop of the sub- jinny tail portion of nail drill rod on the ground,
Drill rod usage quantity is three, and three drill rod are fixed at triangular, being detected to underground obstacle before following closely drill rod,
Prevent top drill rod from damaging existing underground pipelines, power communication cable etc..
5.5）Pulley blocks are installed：Personnel are placed on upper sheave on the link of sunpender hanger on bar, coordinate personnel to use under bar
Lower pulley is fixed on existing electric pole on the high position in 0.5 meter of ground by steel wire loop（It this position can be according to topography item
Part converts）, the steel wire rope on winch is released the lower pulley under bar and passed through around to the upper sheave on bar and is vertically being drawn
It away from head one third position and is bound secured down toward new electric pole；Two works are bound on the electric pole flange lifted by crane at 200MM
Industry rope, the direction of control-rod tail during power pole hoisting.
6. electric pole hole is backfilling and compacted
Electric pole center must carry out backfill operation on existing line center line, after electric pole centering, be layered and ram every 300mm
Real, electric pole backfill should have anti-heavy platform, anti-heavy platform to be higher by ground level 300mm.
7. pole on hoisting electric pole
The hoisting electric pole first half is consistent with hoisting electric pole lower half method, and the steel wire loop of winch is tied up to apart from the position of 2 meters of head
It sets, the trend of electric pole is controlled during lifting, the courtyard wall of communication network circuit and resident family that should not be by the existing electric pole of scraping collision.
8. the connection of pole up and down of pair electric pole, extension bar are bolted fastening
When the first half is increased over the lower half positions flange 10mm, operating personnel steps on bar and is attached to the two poles of the earth electric pole, 6
Extension bar bolt all puts on rear diagonal fastening bolt, until bolt compacts limit point electric pole when electric pole flange surrounding no gap
Docking finishes.
9. fitting, banding insulation are sub
Electric pole has docked be corrected after, so that it may to install cross-arm, head iron, insulator, conducting wire is removed into frame from existing electric pole
If to new electric pole insulator, last banding insulation, the work of new bar just completes.
10. existing electric pole is removed
The bar of existing electric pole rod hanger of hanging oneself is removed, is equally removed by playing sunpender hanger with small hanging bracket, finally will
Cross-arm, insulator on small hanging bracket and bar are all removed, and are finally removed old electric pole, will be cleaned out rear electric pole more under bar
Change jobs completion.
Above-described is only the preferred embodiment of the present invention.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the principle of the present invention, several variations and modifications can also be made, also should be regarded as the guarantor for belonging to the present invention
Protect range.
Claims (5)
1. a kind of difficulty location electric pole replaces construction method, it is characterised in that following steps：
1）Preparation of construction；
2）Old electric pole computational check of stress：The bear responsibility power received of electric pole is M, pulling force F, and the electric pole gravity sling is G, and gravity is normal
Number is g, M=F=G=mg, and allowing moment of flexure tables of data to inquire by electric pole allows moment of flexure size, and the endurance of old electric pole is more than new electricity
The gravity of bar subordinate, complies with standard；
3）It is divided to two sections 12 meters of electric poles, 6 meters every section, segmentation electric pole is transported to finger by centre flanged joint using electric pole transport vehicle
Fixed pole position；
4）Have a power failure to circuit；
5）Mounting suspension and pulley blocks on existing electric pole：5.1）Small hanging bracket is installed：Middle phase line is tied up bottle line to remove, middle phase line is put
The side on cross-arm is set, head iron is removed, small hanging bracket is mounted in existing electric pole head；5.2）Small hanging bracket install after
It is fixedly connected with pulley on the hanging ring of small hanging bracket, passes through operation rope, the other end of rope to be connect with sunpender hanger in pulley, passes through work
Sunpender hanger is pulled at electric pole head by industry rope, and sunpender hanger is fixedly connected with electric pole head；5.3）It digs pit in electric pole hole；
5.4）Winch is fixed；5.5）Pulley blocks are installed：Upper sheave is fixedly connected with hanging ring, and lower pulley is fixed on both by steel wire rope
Have on electric pole, fixed position apart from 0.5 meter of ground, by the steel wire rope on winch release the lower pulley under bar pass through around to
Upper sheave on bar is vertically being drawn down toward new electric pole away from head one third position, and binds secured, the electric pole lifted by crane
Two operation ropes, the direction of control-rod tail during power pole hoisting are bound on flange at 200MM；
6）Electric pole hole is backfilling and compacted；
7）Pole on hoisting electric pole, method is the same as step 5）；
8）Pole on electric pole is connected with lower pole：When the first half is increased over the lower half positions flange 10mm, operating personnel steps on bar
The two poles of the earth electric pole is attached, 6 extension bar bolts are all put on rear diagonal fastening bolt, until electric pole flange surrounding does not have
When gap bolt compact limit point electric pole docking finish；
9）Fitting, banding insulation；
10）Existing electric pole is removed.
2. a kind of difficult location electric pole as described in claim 1 replaces construction method, it is characterised in that：The step 5.3）
The position in middle bar hole at 0.5 meter of existing electric pole, should be dug under bar hole is vertical along line direction, reserve manpower upright bar horse
Road, 12 meters of electric rod pits are 2 meters deep.
3. a kind of difficult location electric pole as described in claim 1 replaces construction method, it is characterised in that：The step 5.4）
Middle winch is fixed using the method for the steel wire loop of the sub- jinny tail portion of nail drill rod on the ground, and drill rod usage quantity is three,
Three drill rod are fixed at triangular, being detected to underground obstacle before following closely drill rod.
4. a kind of difficult location electric pole as described in claim 1 replaces construction method, it is characterised in that：The step 6）In
Electric pole center is on existing line center line, after electric pole centering, carries out backfill operation, and every 300mm compactions in layers, electric pole returns
Banketing has anti-heavy platform, and anti-heavy platform is higher by ground level 300mm.
5. a kind of difficult location electric pole as described in claim 1 replaces construction method, it is characterised in that：The step 9）In
Conducting wire is removed from existing electric pole and is inserted on new electric pole insulator, banding insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100951.4A CN108278034B (en) | 2018-02-01 | 2018-02-01 | Difficult location electric pole replaces construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810100951.4A CN108278034B (en) | 2018-02-01 | 2018-02-01 | Difficult location electric pole replaces construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108278034A true CN108278034A (en) | 2018-07-13 |
| CN108278034B CN108278034B (en) | 2019-09-20 |
Family
ID=62807258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810100951.4A Active CN108278034B (en) | 2018-02-01 | 2018-02-01 | Difficult location electric pole replaces construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108278034B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109190239A (en) * | 2018-08-29 | 2019-01-11 | 中铁九局集团第六工程有限公司 | The method that available railway curve establishes line midline model in CIVIL3D |
| CN109403708A (en) * | 2018-12-06 | 2019-03-01 | 国网辽宁省电力有限公司锦州供电公司 | It installs electric wiring the construction method of bar for mountainous region |
| CN110697590A (en) * | 2019-11-13 | 2020-01-17 | 国网上海市电力公司 | Wire lifting device for electrified pole erection removal and ground potential pole erection removal method |
| CN111969496A (en) * | 2020-08-28 | 2020-11-20 | 简得林 | Electric overhead line construction device and construction method thereof |
| CN112627623A (en) * | 2020-12-03 | 2021-04-09 | 国网辽宁省电力有限公司锦州供电公司 | Method for replacing telegraph pole in electrified manner |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109190239A (en) * | 2018-08-29 | 2019-01-11 | 中铁九局集团第六工程有限公司 | The method that available railway curve establishes line midline model in CIVIL3D |
| CN109190239B (en) * | 2018-08-29 | 2022-12-09 | 中铁九局集团第六工程有限公司 | Method for establishing line neutral model in CIVIL3D by existing curve |
| CN109403708A (en) * | 2018-12-06 | 2019-03-01 | 国网辽宁省电力有限公司锦州供电公司 | It installs electric wiring the construction method of bar for mountainous region |
| CN110697590A (en) * | 2019-11-13 | 2020-01-17 | 国网上海市电力公司 | Wire lifting device for electrified pole erection removal and ground potential pole erection removal method |
| CN110697590B (en) * | 2019-11-13 | 2024-05-07 | 国网上海市电力公司 | Wire lifting device for electrified vertical removing pole and ground potential vertical removing method |
| CN111969496A (en) * | 2020-08-28 | 2020-11-20 | 简得林 | Electric overhead line construction device and construction method thereof |
| CN112627623A (en) * | 2020-12-03 | 2021-04-09 | 国网辽宁省电力有限公司锦州供电公司 | Method for replacing telegraph pole in electrified manner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108278034B (en) | 2019-09-20 |
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