CN105006772B - Modified G5 turriforms overhead-groundwire lifter, connection gold utensil change device and method - Google Patents
Modified G5 turriforms overhead-groundwire lifter, connection gold utensil change device and method Download PDFInfo
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- CN105006772B CN105006772B CN201510392458.0A CN201510392458A CN105006772B CN 105006772 B CN105006772 B CN 105006772B CN 201510392458 A CN201510392458 A CN 201510392458A CN 105006772 B CN105006772 B CN 105006772B
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- lifting arm
- earth wire
- aerial earth
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- nut
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Abstract
The invention discloses a kind of modified G5 turriform overhead-groundwire lifters, it includes lifting arm, nut, support and rolling bearing, an insertion groove is opened up in the lower end of the lifting arm, mounting hole is offered on the lifting arm correspondence position of the insertion groove both sides, the support and rolling bearing are placed on lifting arm, the nut is threadedly coupled with lifting arm, and the support is located between rolling bearing and insertion groove, and the rolling bearing is located between support and nut.The invention also discloses a kind of aerial earth wire connection gold utensil more changing device.The vertical movement for being converted into lifting arm that the present invention passes through nut, the sliding friction between nut and support is changed into rolling friction by rolling bearing simultaneously, frictional force is greatly reduced, reduce operating personnel's quantity, save operating personnel's muscle power, the activity duration is reduced, operating efficiency is improved.
Description
Technical field
The present invention relates to a kind of Maintenance of Electric Transmission Line instrument, and in particular to a kind of modified G5 turriforms aerial earth wire lifting
Device, connection gold utensil change device and method.
Background technology
The connection gold utensil total length of ± 500kV HVDC transmission line G5 sections tower connection aerial earth wire is 327mm, shelves
Cause connection gold utensil load big away from big (distance is remote), the connection gold utensil of aerial earth wire is changed through investigating All other routes to be used
Hand operating hoist and leading screw, loosen connection gold utensil by tightening up Hand operating hoist and leading screw, are then changed.But it can hold at present
It is respectively 480mm, 450mm by the Hand operating hoist of the load and the minimum of contraction length of leading screw, much larger than the length of connection gold utensil,
Cause this method not to be suitable for G5 sections tower connection aerial earth wire connection gold utensil to change.Job step is as follows：
(1) electrician carries the upper tower of transmission rope to aerial earth wire operating position, after fastening seat belts.
(2), will be built on stilts to aerial earth wire operating point using tower on the steel wire rope of transmission rope transmission high intensity, Hand operating hoist
Ground wire is tied up in operating position with steel wire rope.
(3) when steel wire rope to aerial earth wire hanging point is tightened up with Hand operating hoist not stressing completely, service work can be carried out.
(4) required service kit is delivered on tower by ground electrician, because aerial earth wire lifting can not be arrived work by steel wire rope
The position needed, needs ground electrician's service hoisting aerial earth wire.
(5) aerial earth wire backing positions space is small, and staff is more, and the Work tool of utilization is also more.
(6) when carrying out aerial earth wire accessory replacing, both sides steel wire rope need to constantly be adjusted.
(7) after inspection is errorless, defect elimination or other maintenance are carried out.Recovery routine is in contrast.
(8) check whether pin is plugged, whether in place socket, after no problem, make by dismountable instrument, tower under personnel, cleaning
Industry scene, finishing tool, power cut-off.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of lifting of modified G5 turriforms aerial earth wire
Device, which greatly reduces replacing G5 tower aerial earth wire connection gold utensil work on the spot amounts, reduces operating personnel's quantity, save
Operating personnel's muscle power, reduces the activity duration, improves operating efficiency.
To achieve these goals, the present invention is adopted the technical scheme that：
A kind of modified G5 turriform overhead-groundwire lifters, it includes lifting arm, nut, support and rolling bearing, in institute
The lower end for stating lifting arm opens up and offers peace on an insertion groove, the lifting arm correspondence position of the insertion groove both sides
Hole is filled, the support and rolling bearing are placed on lifting arm, and the nut is threadedly coupled with lifting arm, the support is located at rolling
Between dynamic bearing and insertion groove, the rolling bearing is located between support and nut.
The modified G5 turriform overhead-groundwire lifters further comprise a sleeve assembly, and the sleeve assembly includes set
Barrier part and the rod member for being fixedly connected on sleeve member side, the inside of the sleeve member are provided with one and matched with nut external dimensions
Hollow slots.
The sleeve member and rod member are integrally formed.The sleeve assembly further comprises an extension rod, the extension rod button
It is connected to one end end of the rod member away from sleeve member.
The present invention also provides a kind of aerial earth wire connection gold utensil more changing device, it include it is parallel with aerial earth wire built on stiltsly
Line bracket, the aerial earth wire support is connected by connection gold utensil with aerial earth wire, and the connection gold utensil more changing device includes upper
The modified G5 turriform overhead-groundwire lifters stated, the lower end of the lifting arm is consolidated through aerial earth wire support with aerial earth wire
Fixed, the support is stuck on aerial earth wire support.
The aerial earth wire is through in insertion groove, is bolted between mounting hole.Spiral shell in insertion groove
The periphery of bolt is arranged a rubber sleeve.
A shackle passed through for aerial earth wire is fixedly connected with the mounting hole, rubber can also be arranged on the stud of shackle
Gum cover, rubber sleeve also is located in insertion groove.
The present invention also provides a kind of method that aerial earth wire connection gold utensil is changed, and it comprises the following steps：
Electrician carries transmission rope, tower on corner block in step 1, tower, fastens seat belts, and is hung at aerial earth wire operating point
Good transmission rope, corner block；
Step 2, ground electrician are using the matching relationship of transmission rope and corner block by two above-mentioned modified G5 turriforms
Overhead-groundwire lifter is sent to aerial earth wire operating point in two times；
Two modified G5 turriform overhead-groundwire lifters are positioned on aerial earth wire support by electrician in step 3, tower, institute
State aerial earth wire support to be made up of two L-type angle steel, two angle steel Relative distributions and form space therebetween, two improvement
The lifting arm of type G5 turriform overhead-groundwire lifters passes through space, while by bracket clamp in angle steel both sides；
Step 4, the bolt in the mounting hole of lifting arm lower end taken out, the insertion groove of lifting arm lower end is stuck in built on stilts ground
On line, bolt and screwing bolts are inserted into, two modified G5 turriforms overhead-groundwire lifters are built on stilts positioned at being connected to respectively
The both sides of connection gold utensil between ground wire and aerial earth wire support；
After the completion of step 5, connection, the non-stress of lifting arm now, electrician rotates and upgrades the nut of bar by using hand on tower
By lifting arm pre-tightening；
After step 6, pre-tightening lifting arm, electrician is gradually lifted built on stilts using pipe wrench or sleeve assembly rotation nut on tower
Ground wire, until the load of aerial earth wire is fully transferred on lifting arm；
Step 7, the bearing pin removed in connection gold utensil, are changed to connection gold utensil.
In the step 4, if the length for the width or lifting arm that the diameter of aerial earth wire is more than insertion groove is less than
Angle steel upper surface to aerial earth wire apart from when, by the mounting hole of lifting arm lower end bolt take out after, a shackle is connected to
On aerial earth wire, and the stud of shackle is installed on mounting hole.
Compared with prior art, the beneficial effects of the present invention are：
1st, the vertical movement of the invention that be converted into lifting arm by nut, it is simple in construction, it is easy to operate, greatly
It is big to reduce replacing G5 tower aerial earth wire connection gold utensil work on the spot amounts, while rolling bearing is by the slip between nut and support
Friction is changed into rolling friction, and frictional force is greatly reduced, and reduces operating personnel's quantity, saves operating personnel's muscle power, reduces
Activity duration, improve operating efficiency.
2nd, two lifting arms are used simultaneously, and back-up protection each other, security is greatly improved.
3rd, using the sleeve assembly supporting with nut, more convenient safety is operated.
4th, rubber sleeve can avoid aerial earth wire from directly being contacted with bolt, reduce the damage of the aerial earth wire caused by friction
Wound.
Brief description of the drawings
Fig. 1 is the structural representation of modified G5 turriform overhead-groundwire lifters of the present invention；
Fig. 2 is the structural representation of sleeve assembly；
Fig. 3 is the structural representation of aerial earth wire connection gold utensil more changing device of the present invention.
Description of reference numerals：1st, lifting arm；11st, insertion groove；2nd, nut；3rd, support；4th, bolt；41st, rubber sleeve；5th, unload
Button；6th, aerial earth wire；7th, connection gold utensil；8th, aerial earth wire support；9th, rolling bearing；10th, sleeve member；12nd, rod member；13rd, extend
Bar.
Embodiment
With reference to embodiment, the present invention is further illustrated.
It refer to shown in Fig. 1, a kind of modified G5 turriform overhead-groundwire lifters, it includes lifting arm 1, nut 2, support
3 and rolling bearing 9, open up an insertion groove 11, the correspondence of lifting arm 1 of the both sides of insertion groove 11 in the lower end of lifting arm 1
Mounting hole is offered on position, support 3 and rolling bearing 9 are placed on lifting arm 1, and nut 2 is threadedly coupled with lifting arm 1,
Support 3 and rolling bearing 9 are located between nut 2 and insertion groove 11, and rolling bearing 9 compared with support 3 closer to nut 2.If
Put rolling bearing 9 so that during rotation nut 2, the friction between the lower surface of nut 2 and the upper surface of support 3 is rubbed by sliding
Wiping is changed into rolling friction, and frictional force is greatly reduced, and personnel's physical demand is reduced while the service life of extending bracket 3.
Support 3 is to use channel-section steel material, and the wide * waists thickness of the high * legs of its waist is 55mm*145mm*5mm concave structure, certainly,
The leg of support 3 is wide otherwise less than the hanging point angle steel width on the upside of aerial earth wire support.The center of support 3 sets a circular hole, directly
Footpath 30mm, is available for lifting arm 1 to pass through.Lifting arm 1 is based on a diameter of 28mm whole rod iron.The one end of lifting arm 1 is provided with outer
Screw thread, the high 60mm of nut 2 of the steel material supporting with it, lifting arm 1 and nut 2 are passed through by the threaded connection matched
The vertical movement for being converted into lifting arm 1 of nut 2.Insertion groove 11 is wide to be arranged at the other end end of lifting arm 1
21mm rectangular recess, symmetrical mounting hole is offered on the position of lifting arm 1 of the both sides of insertion groove 11, wherein,
The mounting hole of side can be threaded, and can screw supporting bolt through the mounting hole.
It refer to shown in Fig. 2, the present invention sets one and the matching used sleeve assembly of nut 2, sleeve assembly includes sleeve
Part 10 and the rod member 12 for being fixedly connected on the side of sleeve member 10, the inside of sleeve member 10 are provided with one and the external dimensions phase of nut 2
The hollow slots of matching, the behaviour that the periphery that the hollow slots of sleeve member 10 are placed on into nut 2 can be screwed or be unclamped to nut 2
Make, the structure of sleeve member 10 and rod member 12 is only used when normally using, can be using extension when aerial earth wire load is excessive
Bar 13 increases torque, reduces personnel's physical demand.One end end of the rod member 12 away from sleeve member 10 sets a groove, in extension
One end setting one of bar 13 and the projection of the groove match realize the grafting of extension rod 13 and rod member 12.Due to sleeve member 10 with
Nut 2 is nested together, and is not in using as not causing tightly because grasping when the instruments such as spanner are screwed to nut 2
The situation that handle high-altitude is dropped.
One end of the connection gold utensil 7 of aerial earth wire is installed on aerial earth wire 6, and the other end is installed on flat with aerial earth wire 6
On capable aerial earth wire support 8.The Renewal process of connection gold utensil 7 refer to shown in Fig. 3.
Electrician carries transmission rope, tower on corner block in step 1, tower, fastens seat belts, and is hung at aerial earth wire operating point
Good transmission rope, corner block.
Step 2, ground electrician are using the matching relationship of transmission rope and corner block by two above-mentioned modified G5 turriforms
Overhead-groundwire lifter is sent to aerial earth wire operating point in two times.Specifically：Angle pulley is installed at aerial earth wire operating point
Steel tower on, transmission rope one end binding modified G5 turriform overhead-groundwire lifters, the other end pass through corner block, ground electrician
The other end of the transmission rope is pulled such as being twisted machine with hand or other equipment so that modified G5 turriform overhead-groundwire lifters
It is transported to aerial earth wire operating point.
Two modified G5 turriform overhead-groundwire lifters are positioned on aerial earth wire support 8 by electrician in step 3, tower,
Aerial earth wire support 8 is made up of two L-type angle steel, and (vertical edge of the two is mutually close, laterally into back-to-back distribution for two angle steel
While being located remotely from each other) and form space (between vertical edge) therebetween, two modified G5 turriform overhead-groundwire lifters are carried
Rising stem 1 passes through space, while support 3 is stuck in into angle steel both sides.Support 3 is one invertedType structure, it includes support sheet
Body and the supporting plate that rack body both sides are symmetric is fixedly connected on, rack body and supporting plate are into vertical relation, branch
Frame body is provided with the circular hole for being placed on lifting arm 1, and it is the widthwise edge by its supporting plate and two angle steel that support 3, which is stuck in angle steel both sides,
Phase clamping, the distance of preferably two supporting plates is slightly more than the distance of two angle steel vertical edges so that the medial surface of two supporting plates
Just fitted with the lateral surface (i.e. the side away from space) of two angle steel vertical edges.
Step 4, the bolt 4 in the lower end mounting hole of lifting arm 1 taken out, the insertion groove 11 of the lower end of lifting arm 1 is stuck in
On aerial earth wire 6, bolt 4 and screwing bolts 4 are inserted into, two modified G5 turriforms overhead-groundwire lifters are located at connect respectively
The both sides of gold utensil 7 are connect, preferably corresponding connection gold utensil 7 is symmetrical.And if the diameter of aerial earth wire 6 is more than insertion groove 11
Width or lifting arm 1 length fall short of (be less than angle steel upper surface to aerial earth wire 6 distance or be not enough to lifting
The upper end of bar 1 is installed by nut 2) when, shackle 5 can be used to be coordinated, i.e. the bolt 4 in by the lower end mounting hole of lifting arm 1
After taking-up, shackle 5 is connected on aerial earth wire 6 so that aerial earth wire 6 is through in shackle 5, and the stud of shackle 5 is installed to
On mounting hole.
After the completion of step 5, connection, the non-stress of lifting arm 1 now, electrician rotates and upgrades the nut of bar by using hand on tower
2 by the pre-tightening of lifting arm 1.
After step 6, pre-tightening lifting arm 1, electrician rotates nut 2 using pipe wrench or sleeve assembly on tower, gradually hoisting frame
Vacant lot line 6, until the load of aerial earth wire 6 is fully transferred on lifting arm 1.
After step 7, inspection connection are errorless, electrician can carry out maintenance defect elimination work on tower, and recovery routine is in contrast.
Whether step 8, the pin of inspection aerial earth wire connector are seated, and whether in place socket, checks errorless rear dismounting work
Tool.Electrician carries tower under transmission rope and angle pulley, prune job scene, finishing tool, power cut-off on tower.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment simultaneously is not used to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case.
Claims (2)
1. a kind of aerial earth wire connection gold utensil replacing options, it is realized by modified G5 turriforms overhead-groundwire lifter, and it is special
Levy and be, the modified G5 turriform overhead-groundwire lifters, including lifting arm (1), nut (2), support (3) and rolling bearing
(9) an insertion groove (11), the lifting arm of insertion groove (11) both sides, are opened up in the lower end of the lifting arm (1)
(1) offered on correspondence position and bolt (4), the support (3) and rolling bearing (9) are provided with mounting hole, the mounting hole
Be placed on lifting arm (1), the nut (2) is threadedly coupled with lifting arm (1), the support (3) be located at rolling bearing (9) and
Between insertion groove (11), the rolling bearing (9) is located between support (3) and nut (2)；
The aerial earth wire connection gold utensil replacing options, it comprises the following steps：
Electrician carries transmission rope, tower on corner block in step 1, tower, fastens seat belts, biography is hung up properly at aerial earth wire operating point
Pass rope, corner block；
Step 2, ground electrician are maked somebody a mere figurehead two above-mentioned modified G5 turriforms using the matching relationship of transmission rope and corner block
Ground wire raiser is sent to aerial earth wire operating point in two times；
Two modified G5 turriform overhead-groundwire lifters are positioned on aerial earth wire support (8) by electrician in step 3, tower, institute
State aerial earth wire support (8) to be made up of two L-type angle steel, two angle steel Relative distributions and form space therebetween, two
The lifting arm (1) of modified G5 turriform overhead-groundwire lifters passes through space, while support (3) is stuck in into angle steel both sides；
Step 4, by the mounting hole of lifting arm (1) lower end bolt (4) take out, by the insertion groove (11) of lifting arm (1) lower end
It is stuck on aerial earth wire (6), is inserted into bolt (4) and screwing bolts (4), two modified G5 turriform overhead-groundwire lifters
It is located at the both sides for the connection gold utensil (7) being connected between aerial earth wire (6) and aerial earth wire support (8) respectively；
After the completion of step 5, connection, lifting arm (1) non-stress now, electrician rotates and upgrades the nut of bar by using hand on tower
(2) by lifting arm (1) pre-tightening；
After step 6, pre-tightening lifting arm (1), electrician rotates nut (2) using pipe wrench or sleeve assembly on tower, gradually hoisting frame
Vacant lot line (6), until the load of aerial earth wire (6) is fully transferred on lifting arm (1)；
Step 7, the bearing pin removed in connection gold utensil (7), are changed to connection gold utensil (7).
2. aerial earth wire connection gold utensil replacing options according to claim 1, it is characterised in that in the step 4, if
The length of width or lifting arm (1) that the diameter of aerial earth wire (6) is more than insertion groove (11) is less than angle steel upper surface to frame
Vacant lot line (6) apart from when, by the mounting hole of lifting arm (1) lower end bolt (4) take out after, a shackle (5) is connected to frame
On vacant lot line (6), and the stud of shackle (5) is installed on mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392458.0A CN105006772B (en) | 2015-07-06 | 2015-07-06 | Modified G5 turriforms overhead-groundwire lifter, connection gold utensil change device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510392458.0A CN105006772B (en) | 2015-07-06 | 2015-07-06 | Modified G5 turriforms overhead-groundwire lifter, connection gold utensil change device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105006772A CN105006772A (en) | 2015-10-28 |
| CN105006772B true CN105006772B (en) | 2017-09-05 |
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ID=54379342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510392458.0A Active CN105006772B (en) | 2015-07-06 | 2015-07-06 | Modified G5 turriforms overhead-groundwire lifter, connection gold utensil change device and method |
Country Status (1)
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| CN (1) | CN105006772B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706822A (en) * | 2017-11-15 | 2018-02-16 | 国家电网公司 | Equipotential suspension clamp changes instrument |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2598041B3 (en) * | 1986-04-25 | 1989-03-03 | Electricite De France | DEVICE FOR LIFTING AND TEMPORARY CABLE SUPPORT |
| CN201044342Y (en) * | 2007-06-05 | 2008-04-02 | 中国南方电网有限责任公司超高压输电公司南宁局 | Turret head wire hoisting device |
| JP3140486U (en) * | 2008-01-15 | 2008-03-27 | 関西電力株式会社 | Overhead wire lifting device |
| CN101710681A (en) * | 2009-12-30 | 2010-05-19 | 江苏省电力公司镇江供电公司 | Special conductor lifting device for 220KV horizontal double bundle conductor |
| CN204967123U (en) * | 2015-07-06 | 2016-01-13 | 中国南方电网有限责任公司超高压输电公司南宁局 | Improved generation G5 turriform overhead earth wire lifting mechanism and link fitting change device |
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