CN107512655A - A kind of hanging method of ultralong overweight wire insulation substring - Google Patents
A kind of hanging method of ultralong overweight wire insulation substring Download PDFInfo
- Publication number
- CN107512655A CN107512655A CN201710723301.0A CN201710723301A CN107512655A CN 107512655 A CN107512655 A CN 107512655A CN 201710723301 A CN201710723301 A CN 201710723301A CN 107512655 A CN107512655 A CN 107512655A
- Authority
- CN
- China
- Prior art keywords
- gold utensil
- insulator
- block group
- wire insulation
- lifting block
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Electric Cable Installation (AREA)
Abstract
The present invention relates to a kind of hanging method of ultralong overweight wire insulation substring, comprise the following steps：Prepare equipment；Top gold utensil is installed on cross-arm hanging hole；Bottom gold utensil is connected, and forms armour clamp assembly；By the gold utensil sub-assembly in step s3 by supporting boatswain chair to connect lifting block group, the lifting block group includes steel wire rope；Assemble insulator chain：Lifting tackle pulley is lifted, and insulator is connected to form insulator chain with the gold utensil in lifting block group piecewise；Integral lifting suspension insulator string, insulator chain is connected with the gold utensil on cross-arm hanging hole.Insulator is connected on gold utensil by the present invention piecewise on the ground, and insulator chain is lifted by crane in connection procedure, avoids work high above the ground, and the simple and safe property of supply and demand is high.
Description
Technical field
The present invention relates to a kind of hanging method of insulator chain, more particularly to a kind of ultralong overweight wire insulation substring to lift
Method.
Background technology
At present, super-huge transmission line of electricity crossover tower wire suspension insulator design uses tetrad structure, insulator chain
Ultralong overweight, influenceed by steel tower cross-arm structure and insulator chain structure, when the coaster axle center distance of lifting block group two reaches
During minimum allowable range, insulator chain overall time can not be still installed in place, it is necessary to spliced using burst, substep, high-altitude
Hanging method, high-altitude application step is more, and security risk is big, and construction efficiency is low.
Further, since yoke plate is closer to the distance at the top of crossover tower pendency hanging hole and suspension string, the basic nothing of common hanging method
Method is simultaneously in place.In some Great span work progress, when suspension string is close to cross-arm hanging hole, risen simultaneously using multigroup chain block
The method of installation is hung, though can reach installation purpose, work high above the ground is too many, and Work tool is acted on porcelain vase during construction, holds
Easily porcelain vase is caused to damage.
The shortcomings that to overcome conventional construction method, it is badly in need of using a kind of safe and reliable overall time hanging method, carries
High ultralong overweight wire insulation substring high-altitude installation exercise work efficiency, high-altitude working safety risk is reduced, mitigate labor strength.
The content of the invention
The present invention is in order to solve the above problems, there is provided a kind of ultralong overweight wire insulation substring hanging method, this method
The workload of hoisting process high and medium operation is greatly reduced, reduces the security risk in hoisting process.
The technical solution used in the present invention is：A kind of hanging method of ultralong overweight wire insulation substring, including it is following
Step
S1 prepares equipment；
S2 installs top gold utensil on cross-arm hanging hole；
S3 connections bottom gold utensil, and form armour clamp assembly；
By the gold utensil sub-assembly in step s3 by supporting boatswain chair to connect lifting block group, the lifting block group includes S4
Steel wire rope；
S5 assembles insulator chain：Lifting tackle pulley is lifted, and insulator is connected with the gold utensil in lifting block group piecewise
Form insulator chain；
S6 integral lifting suspension insulator strings, insulator chain is connected with the gold utensil on cross-arm hanging hole.
Further, step s3 and step s4 are operated on the ground, in the step s5 by insulator piecewise with gold utensil
It is connected and forms insulator chain process and operate on the ground.
Further, the top gold utensil in the step s2 includes the first tower gold utensil and U-shaped link, during Assembly and erection of crossing tower,
Suspension insulator the first tower gold utensil is installed on cross-arm hanging hole, when Assembly and erection of crossing tower finishes and after intermediate acceptance,
U type links are installed on cross-arm suspension string hanging hole.
Further, the step s3 is to connect with triangle yoke plate right-angle hanging ring and ball-eye to form bottom gold utensil and combine
Part.
Further, the triangle yoke plate is bolted to connection with support boatswain chair.
Further, lifting block group fixed block is connected by shackle with support boatswain chair mounting hole.
Further, lifting tackle pulley is lifted from hoist engine, lifts insulator chain extremely during connecting insulator piecewise
Whole string installation, the hoist engine are placed on the cross-arm.
Further, colligation is carried out between the insulator chain.
Further, in addition to step s9：Lifting block group and support boatswain chair are removed, starts hoist engine, returns loose lifting block
The steel wire rope of group, when lifting block group does not stress completely, high-altitude personnel remove support boatswain chair and lifting block group.
Beneficial effect caused by the present invention：Insulator is connected on gold utensil by the present invention piecewise on the ground, and even
Insulator chain is lifted by crane in termination process, avoids work high above the ground, and the simple and safe property of supply and demand is high；Lifting block group in the present invention is led to
Supporting vertical plate connection triangle yoke plate is crossed, adds steadiness and security.
Brief description of the drawings
Fig. 1 tetrad wire insulation substring structural front views；
Fig. 2 tetrad wire insulation substring structural side views；
Fig. 3 supports boatswain chair front view；
Fig. 4 supports boatswain chair top view；
Fig. 5 supports boatswain chair right view；
1, trunnion hanging panel in figure, 2, U-shaped link, 3, triangle yoke plate, 4, right angle hanging plate, 5, ball-eye, 6, insulator, 7,
Support stressed plate, 8, fixed plate, 9, reinforcement floor, 10, shackle mounting hole, 11, hole is fixedly mounted.
Embodiment
Further details of explanation is done to the present invention with reference to the accompanying drawings and detailed description, it should be appreciated that
Protection scope of the present invention is not limited by embodiment.
The super-huge serial type formula generally use tetrad structure of transmission line of electricity crossover tower wire suspension insulator 6, typical wire hang
The string assembling figure of insulator 6 of hanging down is shown in Fig. 1 and Fig. 2.Generally, 1000kV extra-high voltage AC circuits Great span uses tetrad insulator 6
String, is always about 16~18m, always weighs about 10~12t.Hanging method used by the string of ultralong overweight wire insulation 6 in the present invention
Comprise the following steps：
1st, equipment prepares
The equipment used in the string overall time hoisting process of ultralong overweight wire insulation 6 includes：Hoist engine, lifting are slided
Car group, load clamp, corner block, support boatswain chair.
1) hoist engine
Hoisting winding uses 8t hoist engines.
2) lifting block group
Lifting block group includes lifting block and hoist rope.Lifting block uses 160kN tackle pulleys (1-1).Lifting
Steel wire rope (mill rope) uses the steel wire ropes of Φ 22 (Nominal Tensile 1670MPa, Fracture Force 288kN, weight 2.02kg/m).
3) load clamp
Load clamp uses 16t shackles.
4) corner block
Corner block uses 8t speciality corner blocks, for steering of the hoist rope (mill rope) on cross-arm.
5) boatswain chair is supported
Because super-huge transmission line of electricity suspension string is coupled structure using tetrad or six more, for that can accomplish whole string while lift by crane,
Particular design processing construction suspender-support boatswain chair is needed, support hanger plate structure is as in Figure 3-5.Boatswain chair is supported by support stressed plate
7th, fixed plate 8, reinforcement floor 9 are formed, and the shackle mounting hole 10 of connection crane is set on support stressed plate 7, is set in fixed plate 8
Hole 11 is fixedly mounted in the wire pendency series board for putting connection connecting insulator string.Support boatswain chair uses Q235 materials, can ensure
Certain bearing strength.
The 2nd, top gold utensil is installed
During Assembly and erection of crossing tower, install the first tower gold utensil-GD gudgeons of string of suspension insulator 6 in advance on cross-arm hanging hole and hang
Plate 1.When Assembly and erection of crossing tower finishes and after intermediate acceptance, U-shaped link 2 is installed on cross-arm the first tower gold utensil.
3rd, installation support boatswain chair
On the ground, right angle hanging plate 4 and ball-eye 5 are connected with suspension string top triangle yoke plate 3, then triangle is joined
Plate 3 installs with support boatswain chair.
4th, lifting block group (steel wire rope) is connected
On the ground, 16t lifting block group fixed blocks are connected with support boatswain chair mounting hole using 16t shackles.
5th, assembling insulator 6 is gone here and there
On the ground, gone here and there using overhanging way assembling insulator 6, i.e., lifting tackle pulley is first passed through into load clamp and insulation
Support boatswain chair between the string of son 6 is connected, and support boatswain chair is fixedly connected with bolt with 4 mounting holes on triangle yoke plate 3, as lifting work
Tool.
Lifting tackle pulley is lifted, insulator 6 is connected with gold utensil piecewise, until whole string installation, four strings or six strings are exhausted
Stout carrying pole or the reliable colligation of the lumps of wood are used between edge 6, prevents mutual damaged in collision.
When assembling starts, first start 8t hoist engines on cross-arm, support boatswain chair is lifted slightly.When support boatswain chair is apart from ground
During about 1m, start that insulator 6 is installed, ball-eye 5 should be connected reliably with insulator 6 during connection, porcelain vase the rim of a bowl direction answers one
Cause.Lift slightly after every 3 insulators 6 install, then by support boatswain chair, continue that insulator 6 is installed.When insulator 6 is pacified
After dress, then the installation of the bottom of insulator 6 is good (in addition to the gold utensil of connection suspension clamp).
6th, integral lifting
After the string of suspension insulator 6 installs, start 8t hoist engines on cross-arm, integral lifting suspension insulator 6 is gone here and there.
7th, high-altitude is installed in place
When the hanging hole of triangle yoke plate 3 is close to U-shaped link 2 below cross-arm hanging hole, hoist engine is closed.High-altitude personnel will afterwards
U-shaped link is connected with triangle yoke plate 3.
8th, lifting block group and support boatswain chair are removed
Start hoist engine, return loose hoist rope (mill rope), when lifting block group does not stress completely, high-altitude personnel remove
Support boatswain chair and lifting block group.
Above-mentioned hanging method is only the preferred method of the present invention, and those skilled in the art will be understood that the base in the above method
The simple transformation carried out on plinth still falls within protection scope of the present invention.
Claims (9)
- A kind of 1. hanging method of ultralong overweight wire insulation substring, it is characterised in that：Comprise the following stepsS1 prepares equipment；S2 installs top gold utensil on cross-arm hanging hole；S3 connections bottom gold utensil, and form armour clamp assembly；For S4 by the gold utensil sub-assembly in step s3 by supporting boatswain chair to connect lifting block group, the lifting block group includes steel wire Rope；S5 assembles insulator chain：Lifting tackle pulley is lifted, and insulator is connected to be formed piecewise with the gold utensil in lifting block group Insulator chain；S6 integral lifting suspension insulator strings, insulator chain is connected with the gold utensil on cross-arm hanging hole.
- 2. the hanging method of ultralong overweight wire insulation substring according to claim 1, it is characterised in that：Step s3 and step Rapid s4 is operated on the ground, and insulator is connected to form insulator chain process on ground piecewise with gold utensil in the step s5 Upper operation.
- 3. the hanging method of ultralong overweight wire insulation substring according to claim 1, it is characterised in that：The step s2 In top gold utensil include the first tower gold utensil and U-shaped link, during Assembly and erection of crossing tower, pendency insulation is installed on cross-arm hanging hole Substring the first tower gold utensil, when Assembly and erection of crossing tower finishes and after intermediate acceptance, U-shaped extension is installed on cross-arm suspension string hanging hole Ring.
- 4. the hanging method of ultralong overweight wire insulation substring according to claim 1, it is characterised in that：The step s3 For right-angle hanging ring and ball-eye are connected to form bottom gold utensil sub-assembly with triangle yoke plate.
- 5. the hanging method of ultralong overweight wire insulation substring according to claim 4, it is characterised in that：, the triangle Yoke plate is bolted to connection with support boatswain chair, and the support boatswain chair is provided with the mounting hole for installation bolt.
- 6. the hanging method of the ultralong overweight wire insulation substring according to claim 1 or 4, it is characterised in that：Lifting is slided Car group fixed block is connected by shackle with support boatswain chair mounting hole.
- 7. the hanging method of ultralong overweight wire insulation substring according to claim 1, it is characterised in that：From hoist engine Lifting tackle pulley is lifted, insulator chain to whole string installation, the hoist engine is lifted during connecting insulator piecewise puts In on the cross-arm.
- 8. the hanging method of ultralong overweight wire insulation substring according to claim 1, it is characterised in that：The insulator Colligation is carried out between string.
- 9. the hanging method of ultralong overweight wire insulation substring according to claim 1, it is characterised in that：Also include step s9：Lifting block group and support boatswain chair are removed, starts hoist engine, the steel wire rope of loose lifting block group is returned, when lifting block group is complete When not stressing entirely, high-altitude personnel remove support boatswain chair and lifting block group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723301.0A CN107512655B (en) | 2017-08-22 | 2017-08-22 | A kind of hanging method of ultralong overweight wire insulation substring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723301.0A CN107512655B (en) | 2017-08-22 | 2017-08-22 | A kind of hanging method of ultralong overweight wire insulation substring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107512655A true CN107512655A (en) | 2017-12-26 |
| CN107512655B CN107512655B (en) | 2019-08-13 |
Family
ID=60723530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710723301.0A Active CN107512655B (en) | 2017-08-22 | 2017-08-22 | A kind of hanging method of ultralong overweight wire insulation substring |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11234826A (en) * | 1998-02-16 | 1999-08-27 | Kansai Electric Power Co Inc:The | Method for lifting insulator string for steel tower and auxiliary brace for lifter |
| CN202737385U (en) * | 2012-07-04 | 2013-02-13 | 湖北省输变电工程公司 | Suspending insulator string assembly trolley |
| CN202997425U (en) * | 2012-12-31 | 2013-06-12 | 湖南省送变电建设公司 | Hoisting device capable of replacing suspension type insulator chain under electrified state |
| CN104538129A (en) * | 2014-12-23 | 2015-04-22 | 国家电网公司 | Synchronous hoisting type duplex insulator string |
| CN105762702A (en) * | 2016-04-01 | 2016-07-13 | 中国南方电网有限责任公司超高压输电公司南宁局 | Method for replacing L-shaped insulator string of +/-800kV direct current transmission line |
| CN106992466A (en) * | 2017-05-18 | 2017-07-28 | 国家电网公司 | The strain insulator string electrification replacing tool of extra-high voltage six and replacing options |
-
2017
- 2017-08-22 CN CN201710723301.0A patent/CN107512655B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11234826A (en) * | 1998-02-16 | 1999-08-27 | Kansai Electric Power Co Inc:The | Method for lifting insulator string for steel tower and auxiliary brace for lifter |
| CN202737385U (en) * | 2012-07-04 | 2013-02-13 | 湖北省输变电工程公司 | Suspending insulator string assembly trolley |
| CN202997425U (en) * | 2012-12-31 | 2013-06-12 | 湖南省送变电建设公司 | Hoisting device capable of replacing suspension type insulator chain under electrified state |
| CN104538129A (en) * | 2014-12-23 | 2015-04-22 | 国家电网公司 | Synchronous hoisting type duplex insulator string |
| CN105762702A (en) * | 2016-04-01 | 2016-07-13 | 中国南方电网有限责任公司超高压输电公司南宁局 | Method for replacing L-shaped insulator string of +/-800kV direct current transmission line |
| CN106992466A (en) * | 2017-05-18 | 2017-07-28 | 国家电网公司 | The strain insulator string electrification replacing tool of extra-high voltage six and replacing options |
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| Publication number | Publication date |
|---|---|
| CN107512655B (en) | 2019-08-13 |
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