CN208522354U - 840kN Class Tension Quadruple Cross Arm Side Insulator Replacement Tool - Google Patents
840kN Class Tension Quadruple Cross Arm Side Insulator Replacement Tool Download PDFInfo
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- CN208522354U CN208522354U CN201820794188.5U CN201820794188U CN208522354U CN 208522354 U CN208522354 U CN 208522354U CN 201820794188 U CN201820794188 U CN 201820794188U CN 208522354 U CN208522354 U CN 208522354U
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Abstract
本实用新型提供了一种±1100千伏特高压直流输电线路840kN级耐张四联横担侧绝缘子更换工具，该更换工具包括横担侧翻板卡具、联板、绝缘子闭式卡具和两根液压丝杠,所述横担侧翻板卡具安装在所述联板上，所述横担侧翻板卡具通过连接机轴、所述两根液压丝杠与所述绝缘子闭式卡具的一侧进行连接，所述绝缘子闭式卡具另一侧吊装于直流输电线路铁塔上，所述绝缘子闭式卡具通过绝缘子上的螺帽连接在绝缘子上，本实用新型填补了国内±1100千伏特高压直流线路带电作业领域四联耐张横担侧单片绝缘子更换工器具的空白。
The utility model provides a replacement tool for an 840kN-level tension-resistant quadruple cross-arm side insulator for a ±1100-kilovolt UHV DC transmission line. A hydraulic screw, the cross arm side flap clamp is installed on the connecting plate, and the cross arm side flap clamp is closed by connecting the shaft, the two hydraulic screws and the insulator. one side of the insulator is connected, the other side of the closed insulator clamp is hoisted on the iron tower of the DC transmission line, and the closed insulator clamp is connected to the insulator through the nut on the insulator, the utility model fills the domestic ± There is a blank for the replacement of single-piece insulators on the side of the quadruple tensile cross arm in the live work area of 1100 kV UHV DC lines.
Description
Technical field
The utility model relates to electric system maintenance technique fields, straight more particularly, to a kind of ± 1100 kilovolts of extra-high voltages
Flow transmission line of electricity 840kN grades of tension resistant four cross-arm side insulator replacement tool.
Background technique
± 1100 kilovolts of ancient spring line extra high voltage direct current transmission lines are that first direct current of highest voltage level in the world is extra-high
Pressure transmission line, replacement have defective insulator and mostly use electricity cut-off type, i.e., overhauled and replaced under the conditions of power failure, pass
The altitude hot-line operation of system replaces monolithic insulator large labor intensity, and efficiency is relatively low, and ± 1100 kilovolts of ancient spring lines are extra-high
Pressure DC transmission line there is no livewire work method and the relevant research of Work tool at present.
It is exhausted that the document of 105337216 A of Publication No. CN discloses a kind of charged for replacement extra-high voltage ground electrode circuit strain insulator
The tool and its method of edge, including preceding card division, lead screw, insulation pulling plate and rear card division, the preceding card division uses bent plate card, described
Preceding card division is connect with one end of the lead screw, and the other end of the lead screw is connect with one end of the insulation pulling plate, the insulation
The other end of pulling plate is connect with the rear card division, and the insulation pulling plate length is adjustable, has been evenly arranged tune on the insulation pulling plate
Knothole, during using the tool changing strain insulator, the physical feeling of electrician is not to be exceeded cross-arm side first
Strain insulator, and the minimum safe distance of 0.6m is kept, ground electrician temperature measuring instrument detection conductive line surfaces temperature, one
Denier finds that constant temperature rises, and more than 60 degrees Celsius, reminds No. two electricians at equipotential in time, its long-time is avoided to contact
High temperature wire causes personal injury, ensure that the personal safety of operating personnel, but the document needs 2-3 people's compounding practice, labour
Intensity is big, and efficiency is lower, and operating process is more troublesome, and it is not convenient enough to use.
The document of 105098655 A of Publication No. CN discloses a kind of strain insulator replacement tool, including the first insulation
End plate, the second insulating end plate, gripper, at least two pieces of snap-gauges and at least two insulated pull rods that can be stretched, in insulated pull rod
Equipped with the control handle that control is flexible；First insulating end plate and the second insulating end plate are separately positioned on the both ends of insulated pull rod, with
At least two insulated pull rods collectively form insulation stringing frame；Snap-gauge is erected at least two insulated pull rods, and snap-gauge is equipped with interior
The recessed arc notch for being used to support strain insulator is equipped with connecting rod, at least two pieces of snap-gauges and company between adjacent two snap-gauge
Extension bar collectively forms the bracket that can place insulator；Gripper is arranged on the first insulating end plate, although the document has band
Charged renewal strain insulator, the strain insulator for being only applicable to common transmission line of electricity convenient for operation, highly-safe feature but the document are exhausted
The replacement of edge can not be suitable for the replacement of the strain insulator of extra high voltage direct current transmission line, and the replacement work of the document
Have material and uses common insulating end plate, can not be while mitigating weight, the mechanical strength of hoisting tool.
Utility model content
In view of this, the purpose of this utility model is in view of the deficiencies of the prior art, to provide one kind and be adapted to ± 1100kV
840kN grades of tension resistant four cross-arm side insulator replacement tools of extra high voltage direct current transmission line, for equipotential or have a power failure replacement and
The work of tension resistant four insulator chain cross-arm side monolithic insulator is installed, domestic ± 1100 kilovolts of UHVDC Transmission Lines bands have been filled up
The blank of electric field of operation tetrad strain cross arm side monolithic insulator replacement Work tool.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of 840kN grades of tension resistant four cross-arm side insulator replacement tools of ± 1100 kilovolts of extra high voltage direct current transmission lines,
It is mounted on including cross-arm side turnover panel fixture, yoke plate, insulator closed card tool and two hydraulic screw rods, the cross-arm side turnover panel fixture
On the yoke plate, the cross-arm side turnover panel fixture passes through connection arbor, two hydraulic screw rods and the insulator closed card
The side of tool is attached, and the insulator closed card tool other side is lifted on DC power transmission line steel tower, the insulator
Closed type fixture is connected on the insulator by the nut on insulator.
Further, the yoke plate includes set square and the right angle hanging plate with set square rotation connection, the set square, institute
State right angle hanging plate, the cross-arm side turnover panel fixture is bolted, the cross-arm side turnover panel fixture pass through the right angle hanging plate
It is connect with insulator screw cap.
Further, spring catch is equipped in the insulator screw cap.
Further, the cross-arm side turnover panel fixture forms an anchor point by the bolt on the yoke plate.
Further, the cross-arm side turnover panel fixture and insulator closed card tool material are titanium alloy material.
Further, the insulator closed card tool includes preceding card division and rear card division, and the preceding card division passes through jointing
It is connect with the hydraulic screw rod.
The beneficial effects of the utility model are:
1. the utility model provides a kind of ± 1100 kilovolts of extra high voltage direct current transmission lines 840kN grades of tension resistant four cross-arm sides
Insulator replacement tool, one end are the anchor point of cross-arm side turnover panel fixture using cross-arm side yoke plate, and the other end utilizes steel insulator pin
Cap is that the horizontal loading of insulator is transferred in the present apparatus, carries out at this time after tightening hydraulic screw rod by the anchor point at insulator end
Dismountable and replacement monolithic insulator operation.After the present apparatus, the labor of high-altitude charged for replacement monolithic insulator is greatly reduced
Fatigue resistance shortens the activity duration, improves working efficiency.
2. the cross-arm side turnover panel fixture of insulator replacement tool, insulator closed card tool are all made of titanium alloy manufacture, contracting
The mechanical strength that tool is improved while having subtracted the volume of tool itself alleviates the weight of tool, reduces operating risk,
Improve the safety of work.
3. the cross-arm side turnover panel fixture, insulator closed card in the insulator replacement tool of the utility model have nominal operation
Load is 215kN, and test load 322.5KN, in terms of the above the key technical indexes, occupies China at present by 2.5 times of safety coefficient
Similar live working tools are the first.4. the insulator replacement tool design concept in the utility model is unique, novel,
Have many advantages, such as that special-purpose member is few, is easy combine, be convenient for carrying, using simple, light-weight, it is high using safety coefficient, it fills up
Domestic ± 1100 kilovolts of UHVDC Transmission Lines livewire work field tetrad strain cross arm side monolithic insulators replacement Work tool
Blank.
Detailed description of the invention
Fig. 1: the utility model one kind 840kN grades of tension resistant four cross-arm sides of ± 1100 kilovolts of extra high voltage direct current transmission lines are exhausted
The assembling schematic diagram of edge replacement tool；
Fig. 2: the utility model one kind 840kN grades of tension resistant four cross-arm sides of ± 1100 kilovolts of extra high voltage direct current transmission lines are exhausted
Edge replaces the cross-arm side turnover panel fixture 1 and yoke plate annexation figure of tool；
Fig. 3: the utility model one kind 840kN grades of tension resistant four cross-arm sides of ± 1100 kilovolts of extra high voltage direct current transmission lines are exhausted
Edge replaces the insulator closed card tool and hydraulic screw rod annexation figure of tool；
Fig. 4: the utility model one kind 840kN grades of tension resistant four cross-arm sides of ± 1100 kilovolts of extra high voltage direct current transmission lines are exhausted
Edge replaces the insulator closed card tool and insulator connection relationship top view of tool.
Description of symbols:
1, load rollover board tool, 2, insulator closed card tool, 3, hydraulic screw rod, 4, connection arbor, 5, set square, 6, right angle
Hanging plate, 7, bolt, 8, nut, 9, insulator, 10, spring catch, 11, jointing, 12, link bolt.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, a kind of 840kN grades of tension resistant four cross-arm side insulation of ± 1100 kilovolts of extra high voltage direct current transmission lines
Sub- replacement tool, including cross-arm side turnover panel fixture 1, yoke plate, insulator closed card tool 2 and two 12 tons of hydraulic screw rods 3, the cross
Load rollover board tool 1 is mounted on the yoke plate, and the cross-arm side turnover panel fixture passes through connection arbor 4, described two 12 tons of liquid
Silk pressing thick stick 3 and the side of insulator closed card tool 2 are attached, and the insulator closed card has 2 other sides and is lifted on directly
It flows on iron tower of power transmission line, the insulator closed card tool 2 is connected on insulator 9 by the nut on insulator.
Wherein: the step of assembling 840kN grades of tension resistant four cross-arm side insulator replacement tools includes following four step:
A, insulator closed card is had into 2 and 12 tons of hydraulic screw rods 3 (or other tools) on the ground and carries out trial assembly, determined
Insulator closed card tool 2 with hydraulic screw rod 3 can accurate difference connect, metal lead screw, fixture and fastening means are before operation
Operation should must not be carried out using unqualified and non-dedicated tool in flexible, reliable performance, scene through each operation of components of examination assembling confirmation.
B, 840KN insulator closed card tool 2 is lifted on DC power transmission line steel tower by auxiliary tools such as tackle cords
On.
C, cross-arm side turnover panel fixture 1 being mounted on yoke plate, insulator closed card tool 2 is mounted on corresponding insulator,
Tightening nuts.
D, 12 tons of hydraulic screw rods 3 are installed.
Spring catch 10 is equipped in the insulator screw cap, spring catch 10 is capable of fixing insulator 9, by insulator 9 and bowl head
It is attached, is convenient for replacing during replacing insulator.
The yoke plate includes set square 5 and the right angle hanging plate 6 with set square rotation connection, the set square 5, the right angle
Hanging plate 6, the cross-arm side turnover panel fixture 1 are connected by bolt 7, the cross-arm side turnover panel fixture 1 by the right angle hanging plate 6 with
Nut 8 on insulator is attached.The model L-168J-300/800 that yoke plate uses herein, the model of right angle hanging plate 6
Z84180。
The excessively described bolt 7 of cross-arm side turnover panel fixture 1 forms an anchor point on the yoke plate.Tool is replaced in this way
One end is the anchor point of cross-arm side turnover panel fixture using cross-arm side yoke plate.
It is titanium alloy material that the cross-arm side turnover panel fixture 1 and insulator closed card, which have 2 materials,.The type that titanium alloy uses
Number it is TC4, improves cross-arm side while reducing cross-arm side turnover panel fixture 1 and insulator closed card 2 itself volume of tool
The mechanical strength of turnover panel fixture 1 and insulator closed card tool 2 alleviates cross-arm side turnover panel fixture 1 and insulator closed card tool 2
Weight, in addition, it is 215kN, test load that cross-arm side turnover panel fixture 1 and insulator closed card, which have 2 nominal operating duties,
2.5 times of safety coefficient, in terms of the above the key technical indexes, it is first to occupy the similar live working tools in China at present by 322.5KN
Position uses security performance height, reliable and stable.
As shown in Figure 3-4, the insulator closed card tool 2 includes preceding card division and rear card division, and the preceding card division passes through connection
Connector 11 is connect with described two 12 tons of hydraulic screw rods 3.By the tightening of two 12 tons of hydraulic screw rods 3 and loosen, makes horizontal lotus
It is loaded between insulator and cross-arm side turnover panel fixture 1 and shifts, the other end passes through hinged spiral shell using insulator and insulator closed card tool 2
Bolt combines closely to form the anchor point at insulator end, and after tightening hydraulic screw rod 3, the horizontal loading of insulator is transferred to insulator
On replacement tool, at this point, being convenient for replacing and removing monolithic insulator operation.To make insulator end tighten and relaxation, into
And more convenient pair of insulator 9 is replaced.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, it is practical without departing from this
The spirit and scope of new technique scheme should all cover in the scope of the claims of the utility model.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820794188.5U CN208522354U (en) | 2018-05-25 | 2018-05-25 | 840kN Class Tension Quadruple Cross Arm Side Insulator Replacement Tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820794188.5U CN208522354U (en) | 2018-05-25 | 2018-05-25 | 840kN Class Tension Quadruple Cross Arm Side Insulator Replacement Tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208522354U true CN208522354U (en) | 2019-02-19 |
Family
ID=65340313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820794188.5U Active CN208522354U (en) | 2018-05-25 | 2018-05-25 | 840kN Class Tension Quadruple Cross Arm Side Insulator Replacement Tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208522354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952885A (en) * | 2020-09-22 | 2020-11-17 | 中国南方电网有限责任公司超高压输电公司百色局 | Duplex insulator string assembling and disassembling device |
| CN113381340A (en) * | 2021-06-16 | 2021-09-10 | 国网山西省电力公司检修分公司 | A turn over board card for extra-high voltage line changes insulator |
-
2018
- 2018-05-25 CN CN201820794188.5U patent/CN208522354U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952885A (en) * | 2020-09-22 | 2020-11-17 | 中国南方电网有限责任公司超高压输电公司百色局 | Duplex insulator string assembling and disassembling device |
| CN113381340A (en) * | 2021-06-16 | 2021-09-10 | 国网山西省电力公司检修分公司 | A turn over board card for extra-high voltage line changes insulator |
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