CN206820358U - A kind of instrument for changing UHV transmission line insulator - Google Patents
A kind of instrument for changing UHV transmission line insulator Download PDFInfo
- Publication number
- CN206820358U CN206820358U CN201720451399.4U CN201720451399U CN206820358U CN 206820358 U CN206820358 U CN 206820358U CN 201720451399 U CN201720451399 U CN 201720451399U CN 206820358 U CN206820358 U CN 206820358U
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- CN
- China
- Prior art keywords
- connecting pin
- instrument
- distaff
- insulator
- transmission line
- 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.)
- Expired - Fee Related
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- Electric Cable Installation (AREA)
Abstract
The utility model discloses a kind of instrument for changing UHV transmission line insulator, including：Line lifter, its underpart set thread-lifting hook, and thread-lifting hook is used to grasp insulator；Jack, it is arranged on above line lifter and connects the line lifter by suspension hook, for adjusting the height of line lifter；First distaff, including connecting pin and first time connecting pin on first, jack described in first time connection pin connection；Second distaff, including connecting pin and second time connecting pin on second, second time connecting pin connect connecting pin on first by U-loop, are connected on described second at pin connection steel tower cross-arm construction eyelet；Wherein, the surface spraying antirust paint of first distaff and the second distaff.The instrument of the present utility model for changing UHV transmission line insulator eliminates the scuffing of work high above the ground personnel wrist, neck, face when using steel wire rope, substantially increase service work efficiency, the labor intensity of staff is alleviated, improves job safety coefficient.
Description
Technical field
High voltage power transmission field is the utility model is related to, more particularly to a kind of work for changing UHV transmission line insulator
Tool
Background technology
Due to gradually stepping up for power network grade in recent years, the also more and more higher of the requirement for power transmission and transforming equipment.In Gansu
Area, the large-scale transmission unit headed by overhauling company's transmission of electricity repair center, is responsible for whole Gansu Power Grid overwhelming majority region
The task of normal operation, wherein transmission line of electricity voltage class gradually increase, and maintenance task is increasingly heavy, traditional work mode
Gradually have too many difficulties to cope with, it is impossible to meet current operation intensity, only on the basis of prior art and known advanced Work tool, for
Power tool carries out particular study, determines new upkeep operation mode and method, can just make super extra-high voltage direct-current transmission
The deployable upkeep operation of circuit is safe efficient to be smoothly completed, and then ensures that super extra-high voltage bulk power grid transmission line safety is stable
Operation.
Have a power failure in conventional transmission line of electricity and change the selection that the problem of composite insulator is primarily present is time and Work tool, pass
The method of system transmission overhead line generally use steel wire loop collocation line lifter is operated, the people that the activity duration is longer, used
Power is also more, and operating efficiency is not also high.With gradually increasing for UHV transmission line, composite insulator is changed in interruption maintenance
Frequency also will gradually increase, reuse traditional operational method, this just needs operating personnel not only to have higher technical ability water
It is flat, and also have higher requirement to the fitness of operating personnel, if not reaching certain level, change extra-high be pressed into absolutely
The operation of edge can not be completed at all.
Utility model content
The purpose of this utility model is to provide a kind of instrument for changing UHV transmission line insulator, is taken using distaff
Hard connecting mode with jack plus line lifter, reduces the activity duration, improves the safety coefficient of operation.
Technical scheme provided by the utility model is a kind of instrument for changing UHV transmission line insulator, including：
Line lifter, its underpart set thread-lifting hook, and the thread-lifting hook is used to grasp insulator；
Jack, it is arranged on above the line lifter and connects the line lifter by suspension hook, for adjusting line lifter
Highly；
One or more first distaffs, including connecting pin and first time connecting pin on first, first time connecting pin connect
Connect the jack；
Second distaff, including connecting pin and second time connecting pin on second, second time connecting pin are connected by U-loop
Connecting pin on first is connect, is connected on described second at pin connection steel tower cross-arm construction eyelet；
Wherein, the surface spraying antirust paint of first distaff and the second distaff.
Preferably, the six division line lifters that the line lifter is 1.5 meters long.
Preferably, the jack is 3.5 meters long of 6T jacks.
Preferably, the first distaff specification is φ 20 × 2.5m distaffs.
Preferably, second distaff is φ 20 × 0.5m distaffs.
Preferably, first distaff and the second distaff are steel core material.
Preferably, the U-loop endurance is less than or equal to 10T.
This is had the beneficial effect that with new：Scheme easy to use, operation is easy, safe and reliable, staff can be once
Property complete, will not be because of, because of situations such as Work tool apolegamy is unreasonable and cause not completing or do over again, disappearing among conventional operation
Except work high above the ground personnel, wrist, neck, face will not be scratched and during insulator is transported when using steel wire rope
Will not by steel wire rope burr hurt and may caused by decreasing insulating even damage, substantially increase service work effect
Rate, the labor intensity of staff is alleviated, improve job safety coefficient.
Brief description of the drawings
Fig. 1 is the installation drawing of replacing UHV transmission line insulator instrument of the present utility model.
Fig. 2 is that the line lifter of replacing UHV transmission line insulator instrument of the present utility model grasps insulator signal
Figure.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
The composite insulator of 750kV multi-line power transmission circuits is more much larger than 330kV transmission line of electricity, in order to improve operating efficiency,
Effectively instrument can be rapidly assembled and disassembled in operation, it is necessary to which designing one kind disclosure satisfy that intensity requirement has convenient use simultaneously
Replacing UHV transmission line insulator instrument.
As shown in figure 1, the utility model provides a kind of instrument of replacing UHV transmission line insulator, including carry line
Device 4, jack 3, the first distaff 2 and the second distaff 1, the line lifter 4 include triangular support bracket, pulley, steel wire rope and carried
Line hook, the long side of the triangular support bracket open up four through holes of connection, and two steel wire penetrating both ends through holes are fixed on triangle branch
On support, thread-lifting hook is fixed in lower end；The support of two pulleys is fixed on triangular support bracket through two middle through holes, steel wire
Rope fixes thread-lifting hook through both ends after pulley, and the thread-lifting hook is used to grasp insulator；Jack 3 include top sheave, lower sheave and
Suspension hook, it is arranged on the top of line lifter 4 and connects the line lifter 4 by suspension hook, by pulling between top sheave, lower sheave
Jack 3, steel wire rope make jack 3 drive line lifter 4 move, for adjusting the height of line lifter 4；Two the first distaffs 2, bag
Connecting pin and first time connecting pin on first are included, first time connecting pin connects the jack 3 by U-loop；Second bracing wire
Rod 1, including connecting pin and second time connecting pin on second, second time connecting pin connect connecting pin on first by U-loop,
Connected on described second at pin connection steel tower cross-arm construction eyelet；Wherein, the table of the distaff 1 of the first distaff 2 and second
Face rust prevention by applying liquid material paint, make the first distaff 2 and the surface of the second distaff 1 smooth and prevent from getting rusty so as to improve service life.
In another embodiment, as shown in Fig. 2 the six division line lifters 4 that the line lifter 4 is 1.5 meters long, it passes through 6
Individual thread-lifting hook grasps insulator simultaneously, and operating personnel need to only tighten up jack 3 until the disengaging of insulator bottom loose, removes insulator
Top connects metal pins, and upper end is tied into connecting pin on the second of the second distaff 1, by insulating cord that insulator is overall
Transport, smoothly complete operation.
In another embodiment, held according to the weight of 750kV multi-line power transmissions line composite insulator of the present utility model, selection
The 6T jacks 3 that power is 3.5 meters long are carried, improve the security performance of this instrument.
In another embodiment, drawn according to the weight of 750kV multi-line power transmissions line composite insulator of the present utility model, first
The selection of the specification of bar 2 is φ 20 × 2.5m distaffs, improves the security performance of this instrument.
In another embodiment, according to the weight of 750kV multi-line power transmissions line composite insulator of the present utility model, selection the
Two distaffs 1 are φ 20 × 0.5m distaffs, improve the security performance of this instrument.It is described
In another embodiment, the distaff 1 of the first distaff 2 and second is that steel core material replaces steel wire rope, can
Personnel's wrist of work high above the ground, neck, face is protected not to receive the scuffing of steel wire rope, so as to play a protective role.
In another embodiment, according to the weight of 750kV multi-line power transmissions line composite insulator of the present utility model, U-loop
Withstand forces as 10T, improve the security performance of this instrument.
A kind of application method of instrument for changing UHV transmission line insulator of the present utility model：Staff is by group
The instrument installed is transported to operating point by coaster, insulating cord, required for the second distaff 1 is hung over into work at construction eyelet, then
Divide line lifter 4 by below instrument six to be installed under insulator at Square wire, start to tighten up jack 3 until insulator bottom loose
Depart from, remove insulator top connection metal pins, and upper end is tied to the second distaff 1, it is by insulating cord that insulator is whole
Body transports, and can complete the replacing of insulator, and such operating personnel can be very good to retain muscle power, it is ensured that change insulator work
Smooth development, reduce the activity duration, improve the safety coefficient of operation.
A kind of Economic and Efficiency Analysis of instrument for changing UHV transmission line insulator of the present utility model is as follows：1st, into
This calculating：Steel core pull-rod processing charges one amounts to 50 yuan, mono- 15 yuan of fee of material φ 20X0.5m, φ 20X2.5m bis- 150
Member, add up to a set of 215 yuan.
2nd, steel wire rope is replaced using pull-rod, personnel's wrist of work high above the ground, neck, face can be protected not to receive steel wire
The scuffing of rope, so as to play a protective role.
3rd, benefit calculation：Distaff surface is smooth, and steel wire rope is replaced with it, can eliminate insulator in transportation
The middle decreasing insulating caused by possible by steel wire rope burr incised wound is even damaged, and composite insulation in 750kV circuits
A sub cost is at 1000 yuan or so, plus the human and material resources used in transportation, to a certain extent also centered on save
Expense is saved.
4th, intangible benefit：Standing intact for composite insulator, ensure that transmission line safety long-period stable operation.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (7)
- A kind of 1. instrument for changing UHV transmission line insulator, it is characterised in that including：Line lifter, its underpart set thread-lifting hook, and the thread-lifting hook is used to grasp insulator；Jack, it is arranged on above the line lifter and connects the line lifter by suspension hook, for adjusting the height of line lifter；One or more first distaffs, including connecting pin and first time connecting pin on first, first time connection pin connection institute State jack；Second distaff, including connecting pin and second time connecting pin on second, second time connecting pin pass through U-loop connection the Connecting pin on one, connect on described second at pin connection steel tower cross-arm construction eyelet；Wherein, the surface spraying antirust paint of first distaff and the second distaff.
- 2. the instrument of UHV transmission line insulator is changed as claimed in claim 1, it is characterised in that the line lifter is 1.5 meters long of six division line lifters.
- 3. the instrument of UHV transmission line insulator is changed as claimed in claim 2, it is characterised in that the jack is 3.5 meters long of 6T jacks.
- 4. the instrument of UHV transmission line insulator is changed as claimed in claim 3, it is characterised in that first bracing wire Bar gauge lattice are φ 20 × 2.5m distaffs.
- 5. the instrument of UHV transmission line insulator is changed as claimed in claim 4, it is characterised in that second bracing wire Rod is φ 20 × 0.5m distaffs.
- 6. the instrument of the replacing UHV transmission line insulator as described in claim 4 or 5, it is characterised in that described first Distaff and the second distaff are steel core material.
- 7. the instrument of UHV transmission line insulator is changed as claimed in claim 6, it is characterised in that the U-loop is held Stress is less than or equal to 10T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451399.4U CN206820358U (en) | 2017-04-27 | 2017-04-27 | A kind of instrument for changing UHV transmission line insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720451399.4U CN206820358U (en) | 2017-04-27 | 2017-04-27 | A kind of instrument for changing UHV transmission line insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206820358U true CN206820358U (en) | 2017-12-29 |
Family
ID=60754619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720451399.4U Expired - Fee Related CN206820358U (en) | 2017-04-27 | 2017-04-27 | A kind of instrument for changing UHV transmission line insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206820358U (en) |
-
2017
- 2017-04-27 CN CN201720451399.4U patent/CN206820358U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 |