CN206820362U - A kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil - Google Patents
A kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil Download PDFInfo
- Publication number
- CN206820362U CN206820362U CN201720750915.3U CN201720750915U CN206820362U CN 206820362 U CN206820362 U CN 206820362U CN 201720750915 U CN201720750915 U CN 201720750915U CN 206820362 U CN206820362 U CN 206820362U
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- yoke plate
- high voltage
- transmission line
- flower basket
- direct current
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Abstract
The utility model devise it is a kind of it is safe and reliable, according to live tower size adjustment length and the personal safety of work high above the ground personnel can be ensured, effectively improve the extra high voltage direct current transmission line insulator chain auxiliary security utensil of the disengaging tetrad insulator hardware string of the operating efficiency of operating personnel.It is mainly made up of pull-rod, flower basket bolt, U-shaped ring and angle steel etc..Horizontal yoke plate both ends are connected with insulator end yoke plate, and flower basket bolt is connected to the hole among horizontal yoke plate by U-shaped ring, and the flower basket bolt other end is connected with pull-rod, and the pull-rod other end is connected on steel tower cross-arm side construction eyelet with U-shaped ring.Flower basket bolt is tightened up after each gold utensil is connected, installation, personnel can pass in and out tetrad insulator by this auxiliary security utensil to improve maintenance, live line work efficiency, reduce the complexity of work, mitigate the labor intensity of staff, job safety coefficient is improved, meets the requirement of live interruption maintenance and livewire work.
Description
Technical field
The utility model belongs to electric power instrument field, and in particular to a kind of extra high voltage direct current transmission line insulator chain auxiliary
Security apparatus.
Background technology
As ± 800kV extra-high voltage direct-currents project of transmitting and converting electricity puts into operation successively, transmission line tower structure, gold utensil connection side
Formula, the assembling form of insulator chain, the division number etc. of wire have larger difference with extra high voltage network in design, especially
It is especially prominent on the tension resistant four insulator hardware string of ± 800kV extra-high voltage iron towers.It is local through statistics transmission of electricity repair center
± 800kV days center line extra high voltage direct current transmission lines and the ± 800kV wine lake line extra high voltage direct current transmission line that will put into operation share
The base of tension resistant four-serial steel tower 105, these tension resistant four-serial steel tower cross-arms to connection gold utensil length between insulator arrive for 2.3m
3.3m, spacing between string and string is 1.3m to 1.45m.Have a strong impact on that operating personnel checks and accepts, overhauled, livewire work passes in and out gold utensil
Personal safety and operating efficiency during string, cause operating personnel can not normally pass in and out insulator chain and complete daily power failure inspection
Repair and livewire work, so as to add the task difficulty of high-altitude personnel and security risk, reduce the effect of maintenance and livewire work
Rate.Therefore, there is an urgent need to design a kind of auxiliary security of disengaging insulator chain that is safe and reliable, meeting live tower size
Utensil ensures the personal safety of work high above the ground personnel, improves the operating efficiency of operating personnel.
Utility model content
The utility model devise it is a kind of it is safe and reliable, according to live tower size adjustment length and high-altitude can be ensured
The personal safety of operating personnel, effectively improve the auxiliary peace of the disengaging connection tetrad insulator hardware of the operating efficiency of operating personnel
Full utensil.
It is as follows that the utility model solves the technical scheme that above-mentioned technical problem is taken：
A kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil, including horizontal yoke plate, longitudinal assisted parts, its
In, longitudinal assisted parts one end connection cross-arm side construction eyelet, the other end connects horizontal angle steel, forms T-shaped；Horizontal yoke plate is connected to
Between two insulator chains.
Longitudinal assisted parts includes pull-rod, flower basket bolt, yoke plate；Wherein pull-rod both ends for annular shape, one end by U-shaped ring with
Cross-arm side construction eyelet is connected, and the other end is connected by U-shaped ring with flower basket bolt；The flower basket bolt other end passes through U-shaped ring and horizontal stroke
It is connected to yoke plate, horizontal yoke plate is fixed between two insulator chains.
Further, horizontal yoke plate both ends and centre are provided with n fixation holes, and n is the natural number more than three.
Further, split pin is provided between flower basket bolt and U-shaped ring.
± 800kV DC power transmission lines disengaging connection tetrad insulator hardware string auxiliary security utensil is surveyed by mechanical test
Examination, 5min is stretched with 3.6kN, does not find to deform, meets live practical application condition.
The utility model can help the accessible disengaging ± 800kV DC power transmission line tetrad hardware strings of operating personnel, greatly
Maintenance, live line work efficiency are improved greatly, reduces the complexity of work, mitigates the labor intensity of staff, improves operation
Safety coefficient, meet the requirement of live interruption maintenance and livewire work.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2-Fig. 4 is the utility model partial enlarged drawing.
In figure：1-yoke plate, 2-hex bolts, 3-U-shaped ring, 4-R split pins, 5-flower basket bolt, 6-hex nut,
7-pull-rod, 8-angle steel yoke plate.
Embodiment
It is as follows that the utility model solves the technical scheme that above-mentioned technical problem is taken：A kind of extra-high straightenings of disengaging ± 800kV
The auxiliary security utensil of transmission line of electricity connection tetrad insulator hardware is flowed, it is mainly by pull-rodFlower basket bolt
(LH-18B), U-shaped ring (U-10) and angle steel (∠ 50*1200mm) etc. form.Angle steel both ends are connected with insulator end triangle yoke plate,
Flower basket bolt is connected to the hole among angle steel by U-shaped ring, and the flower basket bolt other end is connected with one end pull-rod, the pull-rod other end
It is connected to U-shaped ring on steel tower cross-arm construction hole.Flower basket bolt, installation, Ren Yuanke are tightened up after each gold utensil is connected
To pass in and out tetrad insulator by this auxiliary security utensil.
± 800kV DC power transmission lines disengaging connection tetrad insulator hardware string auxiliary security utensil is surveyed by mechanical test
Examination, 5min is stretched with 3.6kN, does not find to deform, meets live practical application condition.
The utility model can help operating personnel is accessible to pass through ± 800kV DC power transmission line tetrad hardware strings, greatly
Maintenance, live line work efficiency are improved greatly, reduces the complexity of work, mitigates the labor intensity of staff, improves operation
Safety coefficient, meet the requirement of live interruption maintenance and livewire work.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (4)
1. a kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil, it is characterised in that including horizontal yoke plate and indulge
To assisted parts, wherein, longitudinal assisted parts one end connection cross-arm side construction eyelet, the other end connects horizontal yoke plate, forms T-shaped；It is horizontal
It is connected to yoke plate between two insulator strings.
2. a kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil according to claim 1, its feature exist
In longitudinal assisted parts includes pull-rod, flower basket bolt, yoke plate；Wherein pull-rod both ends are annular shape, and one end passes through U-shaped ring and yoke plate
Connection, the other end are connected by U-shaped ring with flower basket bolt；The flower basket bolt other end is connected by U-shaped ring with horizontal yoke plate, horizontal
It is fixed on to yoke plate between two insulator chains.
3. a kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil according to claim 1, its feature exist
In horizontal yoke plate both ends and centre are provided with n fixation holes, and n is the natural number more than three.
4. a kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil according to claim 2, its feature exist
In split pin need to be equipped with by connecting U-shaped ring used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720750915.3U CN206820362U (en) | 2017-06-26 | 2017-06-26 | A kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720750915.3U CN206820362U (en) | 2017-06-26 | 2017-06-26 | A kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206820362U true CN206820362U (en) | 2017-12-29 |
Family
ID=60762341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720750915.3U Active CN206820362U (en) | 2017-06-26 | 2017-06-26 | A kind of extra high voltage direct current transmission line insulator chain auxiliary security utensil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206820362U (en) |
-
2017
- 2017-06-26 CN CN201720750915.3U patent/CN206820362U/en active Active
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