CN107248708B - Strain tower of transmission line drainage thread lifting device - Google Patents
Strain tower of transmission line drainage thread lifting device Download PDFInfo
- Publication number
- CN107248708B CN107248708B CN201710337995.4A CN201710337995A CN107248708B CN 107248708 B CN107248708 B CN 107248708B CN 201710337995 A CN201710337995 A CN 201710337995A CN 107248708 B CN107248708 B CN 107248708B
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- China
- Prior art keywords
- suspension hook
- drainage thread
- transmission line
- blowout patche
- rotating device
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 239000000725 suspension Substances 0.000 claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 210000000988 bone and bone Anatomy 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 239000012212 insulator Substances 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
-
- 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
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Abstract
The present invention relates to strain tower of transmission line drainage thread lifting devices, belong to electric power apparatus examination technical field.A kind of strain tower of transmission line drainage thread lifting device, U-loop including Open Side Down setting and is arranged in the rotating device of U-loop two sides bottom end, and the suspension hook is fixedly connected with rotating device and is rotated about axis with rotating device；The rotating device is the thrust ball bearing and bearing block for including seat ring and blowout patche, and suspension hook is fixedly connected with blowout patche；The suspension hook, U-loop and rotating device are isolation material.The present invention is provided with two suspension hooks in the bottom end of inverted U-shaped ring, it is ensured that steel pipe bone stress more balances, and promotion is more easier.Suspension hook is fixed with rotating device in the present invention, and suspension hook can be rotated arbitrarily, convenient to catch on steel pipe skeleton from the gap between drainage thread.The present invention promotes lifting device by tighten screw, and structure is simple, can reach labour-saving effect.
Description
Technical field
The present invention relates to strain tower of transmission line drainage thread lifting devices, belong to electric power apparatus examination technical field.
Background technique
UHV transmission line is cited as the highest transmission line of electricity of world's voltage class, the height of supply load, it is ensured that line
The responsibility of road safe operation is higher than any other high-tension line, and ensureing its power supply reliability also becomes main of O&M unit
Business.For safety and power supply reliability, spy invents a kind of ultra-high voltage tension tower drainage thread lifting device, can charge in route
Shi Jinhang replaces drainage thread insulator chain, high altitude operation people can not only be made far from conducting wire electric field, while improving power supply reliability.
At this stage, UHV TRANSMISSION LINES IN CHINA has been in rank first in international scope, but due to its particularity,
Many existing technical tools have been unable to meet the service work of UHV transmission line after operation.For extra-high voltage transmission line
The replacement of road anchor support drainage thread insulator chain is replaced without dedicated tool all the time, common replacing options peace
Overall coefficient is lower and first must just can be carried out line outage, thereby results in safety and power supply reliability substantially reduces.
Summary of the invention
The object of the present invention is to provide a kind of Special-purpose lifting devices for extra-high voltage transmission line anchor support drainage thread, to protect
The safety and power supply reliability when replacement anchor support drainage thread insulator chain are demonstrate,proved.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of strain tower of transmission line drainage thread lifting device, including the U-loop that Open Side Down is arranged and setting in U-shaped
The rotating device of ring two sides bottom end, the suspension hook are fixedly connected with rotating device and are rotated about axis with rotating device；The rotation
Rotary device is the thrust ball bearing and bearing block for including seat ring and blowout patche, and suspension hook is fixedly connected with blowout patche；The suspension hook, U-shaped
Ring and rotating device are isolation material.
Further, the back band ear eye of the suspension hook, the upper end of suspension hook is the straight-bar connecting with blowout patche.
Further, bearing block is that the cylindrical body of circular hole is opened in lower end, the diameter of the circular hole of bearing block and thrust ball bearing
Seat ring outer diameter is in the same size；The blowout patche of thrust ball bearing is upper, and seat ring is installed in the circular hole of bearing block under, thrust ball bearing
Seat ring be fixedly connected with the bearing seat；The outer diameter of seat ring is greater than the outer diameter of blowout patche, and the internal diameter of seat ring is greater than the internal diameter of blowout patche, blowout patche
Steel ball is set between seat ring；The inner hole that the straight-bar of suspension hook passes through seat ring is fixedly connected with blowout patche, the internal diameter of blowout patche and straight-bar
Outer diameter is in the same size.
Further, link is fixedly installed in the middle position of the crossbeam of U-loop.
It further, further include the tighten screw for connecting link with anchor support, the upper end of link by extension bar and is received
The lower end connection of tight lead screw, the upper end of addressee lead screw is connect with by tower end fixture with anchor support.
Further, the tighten screw includes lead screw cylinder and lead screw, and the inner wall of lead screw cylinder and the outer surface of lead screw are arranged
Mutually matched screw thread, the lower part of lead screw are arranged rocking bar hole, setting rocking bar in rocking bar hole when use.
Further, the ear eye at suspension hook back connects insulating cord.
Further, in use, the opening direction of two suspension hooks is opposite.
Further, U-loop is flat sheet, and the beam upper end of U-loop is to intersect at two of crossbeam midpoint tiltedly
Link is arranged in face, the intersection on two inclined-planes.
By adopting the above-described technical solution, the technical effect that the present invention obtains has:
The present invention is provided with two suspension hooks in the bottom end of inverted U-shaped ring, it is ensured that steel pipe skeleton stress more balances, and is promoted
It is more easier, meanwhile, two suspension hooks are open when in use on the contrary, having certain fixed clamp effect to steel pipe skeleton.U-loop
Beam upper end be two inclined-planes for intersecting at crossbeam midpoint, be in appearance isosceles triangle, the intersection on two inclined-planes is set
Link is set, stress more balances U-loop at work, and whole device is more stable at work.
Suspension hook is fixed with rotating device in the present invention, and suspension hook can be rotated arbitrarily, and the convenient gap between drainage thread hooks
Firmly steel pipe skeleton.
The present invention promotes lifting device by tighten screw, and structure is simple, can reach labour-saving effect.
Ear eye is set at the back of suspension hook in the present invention, insulating cord is connect with ear eye, to realize earth potential working, is had
The direct contact wire induced electricity bring electric shock hidden danger of personnel, ensures when effect avoids electrification from passing in and out the risk and interruption maintenance of electric field
Power supply reliability, improves work efficiency and safety, avoids human casualty accident.
Detailed description of the invention
Fig. 1 is schematic diagram of the present invention；
Fig. 2 is U-loop and schematic diagram of the present invention；
Fig. 3 is rotating device explosive view of the present invention；
Fig. 4 is rotating device assembling schematic diagram of the present invention；
Fig. 5 is tighten screw schematic diagram of the present invention；
Fig. 6 is use state diagram of the present invention；
Wherein, 1, U-loop, 2, link, 3, bearing block, 4, thrust ball bearing, 4-1, seat ring, 4-2, blowout patche, 5, suspension hook, 5-
1, straight-bar, 5-2, ear eye, 6, tighten screw, 6-1, lead screw cylinder, 6-2, lead screw, 7, rocking bar, 8, drainage thread conductor spacer, 8-1, interval
Ring, 9, steel pipe skeleton, 10, extension bar.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further details the present invention:
The invention discloses a kind of strain tower of transmission line drainage thread lifting devices, are particularly suitable for extra-high voltage transmission line
Road.The present invention be used for replace anchor support drainage thread insulator chain when drainage thread is integrally promoted, drainage thread be generally 6 or
8.The lifting device includes the U-loop 1 and the rotating device that 1 two sides bottom end of U-loop is arranged in that Open Side Down is arranged, U
Shape ring 1 is made of integrally formed crossbeam and two stringers, and rotating device is fixed on the lower end of stringer.The suspension hook 5 of the present apparatus with
Rotating device is fixedly connected and is rotated about axis with rotating device.Rotating device is generally selected including seat ring 4-1 and blowout patche 4-2
Thrust ball bearing 4 and bearing block 3, thrust ball bearing 4 are installed in bearing block 3.It is fixedly connected in suspension hook 5 with blowout patche 4-2.This hair
Bright middle suspension hook 5, U-loop 1 and rotating device are isolation material, prevent the generation of electric shock accidents, guarantee the safety of construction operation
Property.Schematic diagram of the invention is shown in Fig. 1.
Bottom bracket 3 of the present invention is that the cylindrical body of circular hole is opened in lower end, thrust ball bearing 4 include seat ring 4-1 and blowout patche 4-2 with
And steel ball retainer and steel ball between seat ring 4-1 and blowout patche 4-2, thrust ball bearing 4 can provide for the rotation of suspension hook 5
Axial support force, rotation are flexible.The diameter of the circular hole of bearing block 3 and the seat ring 4-2 outer diameter of thrust ball bearing 4 are in the same size, lead to
It is standing to be set to interference fit.The seat ring 4-1 of thrust ball bearing 4 is fixedly connected with bearing block 3；The outer diameter of seat ring 4-1 is greater than blowout patche
The outer diameter of 4-2, the internal diameter of seat ring 4-1 are greater than the internal diameter of blowout patche 4-2, steel ball are arranged between blowout patche 4-2 and seat ring 4-1；By suspension hook 5
Straight-bar 5-1 be fixedly connected across the inner hole of seat ring 4-1 with blowout patche 4-2, be usually welded to connect.The internal diameter of blowout patche 4-2 and straight
The outer diameter of bar 5-1 is in the same size, is usually arranged as being interference fitted.In use, blowout patche 4-2 is installed under in top race 4-1
In bearing block 3, seat ring 4-1 and the fixed not blowout patche 4-2 of bearing block 3 provide support force, and blowout patche 4-2 drives suspension hook 5 to turn around axis
Dynamic, the specific structure of rotating device is shown in Fig. 3, Fig. 4.The non-open end of bearing block 3 is connect with U-loop.The present invention is to thrust ball axis
The utilization held combines the flexible rotating of bearing block realization suspension hook.
Link 2 is fixedly installed in the middle position of the crossbeam of U-loop 1 in the present invention, specific to tie to facilitate the connection of U-loop
Structure is as shown in Figure 2.The back band ear eye 5-2 of suspension hook 5 in the present invention, the upper end of suspension hook is the straight-bar 5-1 connecting with blowout patche 4-2.
In using the present invention in the ear eye 5-2 connection insulating cord at 5 back of suspension hook, the application of suspension hook 5 external force is rotated with facilitating.?
In actual use, U-loop 1 is preferentially set as flat sheet, and the beam upper end of U-loop is intersect at crossbeam midpoint two
A inclined-plane is in appearance isosceles triangle, and link 2 is arranged in the intersection on two inclined-planes, and specific structure is as shown in Figure 2.The setting
Making U-loop, stress more balances at work, and whole device is more stable at work, is conducive to enter the progress of drainage thread gap
Work.
The present invention also uses tighten screw 6 to facilitate application external force when promoting drainage thread.The upper end of link 2 with
The lower end of tighten screw 6 connects, and the upper end of addressee lead screw 6 is connect with by tower end fixture with anchor support, and tower end fixture can be straight
It connects and is set as linking up with, major function is to be attached offer holding power with anchor support.
Tighten screw 6 includes lead screw cylinder 6-1 and lead screw 6-2 in the present invention, and the inner wall of lead screw cylinder 6-1 and lead screw 6-2's is outer
Mutually matched screw thread is arranged in surface, and rocking bar hole is arranged in the lower part of lead screw 6-2, and specific structure is as shown in Figure 5.Rocking bar hole when use
Interior setting rocking bar 7 realizes promotion of the suspension hook to drainage thread by 7 rotational lead screw 6-2 of rocking bar.The screw rod 6-2 of tighten screw 5
Lower end be also provided with the extension bar 10 of 6~10m of length, so that it is guaranteed that staff guarantees the peace of staff far from electric field
Entirely, specific structure is as shown in Figure 5.Extension bar 10 is similarly isolation material, and extension bar 10 and lead screw 6-2 is usually detachably to connect
It connects, is assemblied together when in use.The lower end of extension bar 10 usually also sets up general hook, and hook is rotated around extension bar, hangs
Hook catches on link, which facilitates the rotation of lead screw and extension bar.
Main application of the invention is the anchor support drainage thread of UHV transmission line, UHV transmission line it is resistance to
It opens tower drainage thread and is generally 6 or 8 around arrangement, and be spaced apart using drainage thread conductor spacer 8, the centre of drainage thread conductor spacer 8
Position is steel pipe skeleton 9, and drainage thread is in the spacer ring 8-1 of drainage thread conductor spacer 8, and specific structure is as shown in Figure 6.Lift steel
Cannon born frame 9 can integrally promote 6 or 8 drainage threads together with drainage thread conductor spacer 8.Present invention is particularly suitable for be provided with steel
The anchor support drainage thread of cannon born frame.
When in use, the extension bar 10 of the lower end of tighten screw 6 falls to drainage thread after connecting by link 2 with U-loop 1
Place, by insulating cord rotate suspension hook 5 it is parallel with drainage thread after between two drainage threads on top gap fall, then equally
Steel pipe skeleton 9 is caught on using insulating cord rotation suspension hook 5 is vertical with drainage thread, rotational lead screw 6-2 realizes that suspension hook 5 mentions drainage thread
It rises, makes drainage thread no longer stress, to facilitate the replacement of composite insulator, the specific schematic diagram of use state is shown in Fig. 6.It uses
In, the opening direction of two suspension hooks 5 is on the contrary, play the role of certain fixed clamp to steel pipe skeleton 9.By taking Fig. 6 as an example, in figure
Suspension hook opening is open towards the right side, another corresponding suspension hook towards left.
Ear eye is set at the back of suspension hook in the present invention, insulating cord is connect with ear eye, it is convenient that suspension hook is rotated.It should
Setting can be realized earth potential working, personnel's direct contact wire when electrification effectively being avoided to pass in and out the risk and interruption maintenance of electric field
Induced electricity bring is got an electric shock hidden danger, is ensured power supply reliability, is improved work efficiency and safety, avoids human casualty accident.
The present invention is provided with thrust ball bearing alternatively device, takes full advantage of thrust ball bearing and is capable of providing rotary shaft
To the characteristic of power, make suspension hook rotation flexibly, it is easy to use.
Tighten screw of the present invention promotes lifting device, and structure is simple, can reach labour-saving effect.
The present invention is provided with two suspension hooks in the bottom end of inverted U-shaped ring, it is ensured that steel pipe skeleton stress more balances, and is promoted
It is more easier.The present invention catches on steel pipe skeleton using suspension hook and can be realized while by 8 (or 6) drainage threads while lifting, this
Outside, suspension hook acts on steel pipe skeleton the damage avoided in lifting process to drainage thread.
The configuration of the present invention is simple is easy that decomposing state can be kept when dismounting, storage and transport, reduces the occupancy in space,
It is assembled when use.Using effect of the present invention is good, can guarantee the safety of operating personnel, moreover it is possible to guarantee replacement composite insulation
The completion of the efficient work rate of substring.
Claims (8)
1. a kind of strain tower of transmission line drainage thread lifting device, it is characterised in that: including the U-loop (1) that Open Side Down is arranged
And setting U-loop (1) two sides bottom end rotating device, suspension hook (5) be fixedly connected with rotating device and with rotating device around
Axis rotation；The rotating device is the thrust ball bearing (4) and bearing block (3) for including seat ring (4-1) and blowout patche (4-2),
Suspension hook (5) is fixedly connected with blowout patche (4-2)；The suspension hook (5), U-loop (1) and rotating device are isolation material；Bearing block
(3) cylindrical body of circular hole is opened for lower end, the diameter of the circular hole of bearing block (3) and seat ring (4-2) outer diameter of thrust ball bearing (4) are big
It is small consistent；The blowout patche (4-2) of thrust ball bearing is upper, and seat ring (4-1) is installed in the circular hole of bearing block (3) under, thrust ball
The seat ring (4-1) of bearing (4) is fixedly connected with bearing block (3)；The outer diameter of seat ring (4-1) is greater than the outer diameter of blowout patche (4-2), seat ring
The internal diameter of (4-1) is greater than the internal diameter of blowout patche (4-2), and steel ball is arranged between blowout patche (4-2) and seat ring (4-1)；The straight-bar of suspension hook (5)
(5-1) is fixedly connected across the inner hole of seat ring (4-1) with blowout patche (4-2), the internal diameter of blowout patche (4-2) and the outer diameter of straight-bar (5-1)
It is in the same size.
2. strain tower of transmission line drainage thread lifting device according to claim 1, it is characterised in that: the suspension hook (5)
Back band ear eye (5-2), the upper end of suspension hook (5) is the straight-bar (5-1) connecting with blowout patche (4-2).
3. according to strain tower of transmission line drainage thread lifting device according to claim 1, it is characterised in that: U-loop (1)
Crossbeam middle position be fixedly installed link (2).
4. according to strain tower of transmission line drainage thread lifting device according to claim 3, it is characterised in that: further include by
The upper end of the tighten screw (6) that link (2) is connect with anchor support, link (2) passes through under extension bar (10) and tighten screw (6)
End connection, the upper end of tighten screw (6) is connect with by tower end fixture with anchor support.
5. strain tower of transmission line drainage thread lifting device according to claim 4, it is characterised in that: the tighten screw
It (6) include lead screw cylinder (6-1) and lead screw (6-2), phase interworking is arranged with the outer surface of lead screw (6-2) in the inner wall of lead screw cylinder (6-1)
The screw thread of conjunction, the lower part of lead screw (6-2) are arranged rocking bar hole, setting rocking bar (7) in rocking bar hole when use.
6. strain tower of transmission line drainage thread lifting device according to claim 2, it is characterised in that: suspension hook (5) back
Ear eye (5-2) connect insulating cord.
7. strain tower of transmission line drainage thread lifting device according to claim 1, it is characterised in that: in use, two
The opening direction of suspension hook (5) is opposite.
8. strain tower of transmission line drainage thread lifting device according to claim 3, it is characterised in that: U-loop (1) is flat
Flat sheet, the beam upper end of U-loop (1) are two inclined-planes for intersecting at crossbeam midpoint, the intersection setting on two inclined-planes
Link (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710337995.4A CN107248708B (en) | 2017-05-15 | 2017-05-15 | Strain tower of transmission line drainage thread lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710337995.4A CN107248708B (en) | 2017-05-15 | 2017-05-15 | Strain tower of transmission line drainage thread lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107248708A CN107248708A (en) | 2017-10-13 |
| CN107248708B true CN107248708B (en) | 2019-01-01 |
Family
ID=60017299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710337995.4A Active CN107248708B (en) | 2017-05-15 | 2017-05-15 | Strain tower of transmission line drainage thread lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107248708B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884128B (en) * | 2020-08-21 | 2021-07-06 | 广州德晟电力科技有限公司 | 10kV distribution line uninterrupted repair wire device and repair method thereof |
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|---|---|---|---|---|
| CN201517557U (en) * | 2009-11-04 | 2010-06-30 | 洛阳轴研科技股份有限公司 | Completely sealed thrust ball bearing capable of being assembled, disassembled and separated |
| CN103466428A (en) * | 2013-09-27 | 2013-12-25 | 无锡市新华起重工具有限公司 | Rotating shackle |
| CN203660422U (en) * | 2013-12-15 | 2014-06-18 | 云南电网公司曲靖供电局 | 500 kV overhead ground wire lifting tool |
| CN203787855U (en) * | 2014-03-27 | 2014-08-20 | 国家电网公司 | Power transmission line linear charged wire lifting device |
| CN204205402U (en) * | 2014-09-15 | 2015-03-11 | 国家电网公司 | UHVDC Transmission Lines changes tangent tower wire clamp tool |
| CN204588434U (en) * | 2015-05-05 | 2015-08-26 | 林名楠 | Circuit is charged upgrades device for hoisting for the two division of a kind of high voltage power transmission |
| JP6068226B2 (en) * | 2013-03-28 | 2017-01-25 | 株式会社かんでんエンジニアリング | Gold wheel equipment and overhead ground wire replacement method |
-
2017
- 2017-05-15 CN CN201710337995.4A patent/CN107248708B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201517557U (en) * | 2009-11-04 | 2010-06-30 | 洛阳轴研科技股份有限公司 | Completely sealed thrust ball bearing capable of being assembled, disassembled and separated |
| JP6068226B2 (en) * | 2013-03-28 | 2017-01-25 | 株式会社かんでんエンジニアリング | Gold wheel equipment and overhead ground wire replacement method |
| CN103466428A (en) * | 2013-09-27 | 2013-12-25 | 无锡市新华起重工具有限公司 | Rotating shackle |
| CN203660422U (en) * | 2013-12-15 | 2014-06-18 | 云南电网公司曲靖供电局 | 500 kV overhead ground wire lifting tool |
| CN203787855U (en) * | 2014-03-27 | 2014-08-20 | 国家电网公司 | Power transmission line linear charged wire lifting device |
| CN204205402U (en) * | 2014-09-15 | 2015-03-11 | 国家电网公司 | UHVDC Transmission Lines changes tangent tower wire clamp tool |
| CN204588434U (en) * | 2015-05-05 | 2015-08-26 | 林名楠 | Circuit is charged upgrades device for hoisting for the two division of a kind of high voltage power transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107248708A (en) | 2017-10-13 |
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