CN102709840B - A kind of grooved outgoing line device - Google Patents
A kind of grooved outgoing line device Download PDFInfo
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- CN102709840B CN102709840B CN201210177407.2A CN201210177407A CN102709840B CN 102709840 B CN102709840 B CN 102709840B CN 201210177407 A CN201210177407 A CN 201210177407A CN 102709840 B CN102709840 B CN 102709840B
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- Prior art keywords
- grooved
- liner
- outgoing line
- insulator string
- pedal
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- 239000012212 insulator Substances 0.000 claims abstract description 41
- 239000002131 composite material Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000009194 climbing Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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Abstract
The embodiment of the present invention provides a kind of grooved outgoing line device, and described device comprises grooved pedal, and described grooved pedal both sides are linked up with semicircle; Semicircle hook described in described grooved outgoing line device is by described grooved outgoing line device lodge on composite insulator string, and namely staff to have passed through out line process by described grooved pedal, avoids trampling and climbing for composite insulator string.
Description
Technical field
The present invention designs transmission line technical field, particularly a kind of grooved outgoing line device.
Background technology
In recent years, along with the development of increase and the technology of transmission of electricity day by day of electricity needs, the UHV transmission line such as 800kV, 1000kV have started to carry out at home building and putting into operation.In the heavier area of gradation for surface pollution, adopt composite insulator to the resistance to pollution flashover ability of raising transmission line, prevent and contain that the generation of pollution flashover accident all can play positive role, and composite insulator has the advantages such as cost is low, non-maintaining, apply in extra-high voltage project, remarkable benefit.
But conventional strain insulator string generally adopts glass insulator (or porcelain insulator), time staff needs to carry out outlet operation, by directly trampling the traditional glass of climbing (or pottery) insulator string, the enterprising line operate of wire can be climbed to from transmission tower.
Ultra high voltage strain insulator-string because composite insulator material resources intensity is poor, fragile, can not bears the climbing of operating personnel and trample after adopting composite insulator.This also just makes in UHV transmission line, and staff in the conventional mode, cannot carry out outlet operation, for the work such as maintenance bring great inconvenience by climbing insulator string.
Above-mentioned technical problem present stage a part have employed composite insulator string the ultra-high-tension power transmission line of electric pressure at below 500kV in also exist.But because the transmission line electric pressure of this part 500kV is lower, so composite insulator length less (generally within 5 meters), so can be solved by the mode of installing overall suspension bridge.But in UHV transmission line, the length of composite insulator string is generally more than 10 meters.Well imagine that the overall suspension bridge installing 10 meters of spans in high-altitude is and loaded down with trivial details, be difficult to realize; Even if realize reluctantly, fail safe and practicality also cannot ensure at all, and high cost.
So present stage lacks a kind of outgoing line device, can realize under the prerequisite not damaging composite insulator string, help staff to complete out line process.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of grooved outgoing line device, realize under the prerequisite not damaging composite insulator string, help staff to complete out line process.
For achieving the above object, the present invention has following technical scheme:
A kind of grooved outgoing line device, described apparatus structure is as follows: described device comprises grooved pedal, and described grooved pedal both sides are linked up with semicircle.
Described device also comprises: liner, and described liner is semicircle column type, and liner overall diameter is less than the interior diameter of described semicircle hook, is provided with the groove that shape is mated with insulator umbrella inside liner.
The pre-buried bar shaped steel band in both sides of described grooved pedal.
Described device also comprises: safety belt, and described safety belt one end is fixed on described pre-buried steel band, and the other end is provided with eye-splice; Then described semicircle hook is provided with eye-splice interface and described eye-splice snapping.
Ripple struction is had bottom described grooved pedal.
Described semicircle hook top is provided with handrail.
The material of described grooved pedal is fiberglass, plastics, aluminium alloy or stainless steel.
The material of described liner is rubber, plastics or foam.
As seen through the above technical solutions, the beneficial effect that the present invention exists is, utilize semicircle described in grooved outgoing line device of the present invention hook described grooved outgoing line device lodge on composite insulator string, namely staff to have passed through out line process by described grooved pedal, avoids trampling and climbing for composite insulator string; In addition, utilize described liner to cover described composite insulator string, effectively it is protected, by described grooved outgoing line device lodge on the composite insulator string covering liner, the damage of composite insulator string can not be caused.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is grooved outgoing line device structural representation described in the embodiment of the present invention
Fig. 2 is gasket construction schematic diagram described in the embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
With reference to the specific embodiment that Figure 1 shows that grooved outgoing line device of the present invention.In the present embodiment, the main composition part of described grooved outgoing line device is grooved pedal; Described grooved pedal is by 3 faces, and namely two sides and a bottom surface formed, and the angle of two sides and bottom surface is slightly larger than 90 degree, and the trench structure formed is wide at the top and narrow at the bottom on the whole.Two sides of grooved pedal respectively connect a semicircle hook.
In the present embodiment, described grooved outgoing line device also comprises liner, and its structure is with reference to shown in Fig. 2.Described liner is half cylindrical structure, for covering the full skirt of composite insulator string.Be provided with groove inside described liner, the size of described groove and shape corresponding with the full skirt of composite insulator string, make liner cover described in meet insulator string after, the full skirt of described insulator string embeds in gasket groove just.Utilize described liner to cover and meet insulator string, can play a protective role to composite insulator string.
The internal diameter of the semicircle hook of described grooved outgoing line device is slightly larger than the external diameter of semi-cylindrical liner, so after liner covers composite insulator string, the semicircle hook lodge of described moral conduct outgoing line device is on liner.
The spacing of two in a grooved outgoing line device semicircle hooks need equal spacing between two strings adjacent composite insulator string, and described grooved outgoing line device just can be gone here and there between composite insulator strings two by lodge.
On the composite insulator string that two strings are arranged side by side, the multiple grooved outgoing line device of continuous lodge of serial, staff can advance on grooved pedal, completes out line process by composite insulator string.
For the outgoing line device of grooved shown in Fig. 1, following optimal design can also be made:
Due to when staff is current on described grooved pedal, the maximum position that meets with stresses is the side of grooved pedal and the inboard portion of semicircle hook, so thickening that can be suitable in the inner side of described semicircle hook, and at two pre-buried steel bands in side of grooved pedal, with the bulk strength of stiffening device.
In order to prevent stressed the deforming of described grooved outgoing line device from falling from described composite insulator string, on described grooved outgoing line device, increase safety belt further; One end of described safety belt is fixed on pre-buried steel band, and another calculation is provided with eye-splice; The outside of described semicircle hook is provided with eye-splice interface; After described grooved outgoing line device lodge is on composite insulator string, by the eye-splice of described safety belt and the semicircle eye-splice interface snapping linked up with.
For increasing the non-skid property of described grooved outgoing line device, ripple struction being set in the bottom surface of described grooved pedal, to avoid slipping in staff's process current on grooved pedal, improve the fail safe of device.Handrail can also be set at the top of described semicircle hook for improving fail safe further simultaneously.
In the present invention, the material of described grooved pedal is fiberglass, plastics, aluminium alloy or stainless steel; The material of described liner is rubber, plastics or foam.
The actual size of grooved outgoing line device of the present invention needs the size of composite insulator string described in corresponding practical application and spacing and sets.In the middle of specific embodiments of the invention, its size is as follows:
Grooved pedal bottom width is 250 millimeters, and two sides and bottom surface form trench structure wide at the top and narrow at the bottom, and the top end opening width of trench structure is 400 millimeters, and vertical depth is 400 millimeters; The outer radius of described semicircle hook is 100 millimeters, and inside radius is 70 millimeters.
The overall diameter of described liner is 194 millimeters, and interior grooves is thickness 30 millimeters of semicircles, and half circular diameter is 174 millimeters, 134 millimeters or 34 millimeters, puts in order corresponding with the full skirt size of composite insulator string; Flute pitch is 30 millimeters; The longitudinal length of described liner is 390 millimeters.
Above size, under different applied environments, can make corresponding adjustment, on the not impact of scheme entirety.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a grooved outgoing line device, is characterized in that, described device comprises grooved pedal and liner;
Described grooved pedal is made up of two sides and a bottom surface, and described grooved pedal both sides are linked up with semicircle;
Described liner is for covering the full skirt of composite insulator string, and described semicircle hook lodge is on described liner; Described liner is semicircle column type, and liner overall diameter is less than the interior diameter of described semicircle hook, is provided with the groove that shape is mated with the full skirt of insulator string inside liner;
The spacing of in described grooved outgoing line device two semicircle hooks equals the spacing between two strings composite insulator string arranged side by side, make described grooved outgoing line device just lodge between the composite insulator string that two strings are arranged side by side;
Multiple described grooved outgoing line device by continuous lodge on two strings composite insulator string arranged side by side to complete out line process.
2. device according to claim 1, is characterized in that: the pre-buried bar shaped steel band in both sides of described grooved pedal.
3. device according to claim 2, it is characterized in that, described device also comprises: safety belt, and described safety belt one end is fixed on described pre-buried bar shaped steel band, and the other end is provided with eye-splice, and described semicircle hook is provided with eye-splice interface and described eye-splice snapping.
4. device according to claim 1, is characterized in that: have ripple struction bottom described grooved pedal.
5. device according to claim 1, is characterized in that: described semicircle hook top is provided with handrail.
6. device according to claim 1, is characterized in that: the material of described grooved pedal is fiberglass, plastics, aluminium alloy or stainless steel.
7. device according to claim 1, is characterized in that: the material of described liner is rubber, plastics or foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210177407.2A CN102709840B (en) | 2012-05-31 | 2012-05-31 | A kind of grooved outgoing line device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210177407.2A CN102709840B (en) | 2012-05-31 | 2012-05-31 | A kind of grooved outgoing line device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102709840A CN102709840A (en) | 2012-10-03 |
| CN102709840B true CN102709840B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210177407.2A Active CN102709840B (en) | 2012-05-31 | 2012-05-31 | A kind of grooved outgoing line device |
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| Country | Link |
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| CN (1) | CN102709840B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846345B (en) * | 2016-03-11 | 2017-09-12 | 国网山东省电力公司商河县供电公司 | A kind of discontinuous suspension type anti-rock outgoing line device and its installation method |
| CN105762710B (en) * | 2016-05-09 | 2017-10-27 | 四川大学 | Ultra-high-tension power transmission line, which is safeguarded, uses the combined insulator bushing of rod member |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146346Y (en) * | 2007-12-28 | 2008-11-05 | 河南省电力公司郑州供电公司 | Portable insulation maintenance gap bridge |
| CN202258580U (en) * | 2011-09-14 | 2012-05-30 | 海东供电公司 | Wire incoming and outgoing rack for 110kV line strain composite insulator string |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090006200U (en) * | 2007-12-18 | 2009-06-23 | 한전케이피에스 주식회사 | A ladder for inspecting and repairing of polymer insulator |
| CN201298695Y (en) * | 2008-11-05 | 2009-08-26 | 河南省电力公司信阳供电公司 | Wire-outlet rack for a power transmission line to change a tension resistant insulator |
| CN202616669U (en) * | 2012-05-31 | 2012-12-19 | 国家电网公司 | Grooved type outlet device |
-
2012
- 2012-05-31 CN CN201210177407.2A patent/CN102709840B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146346Y (en) * | 2007-12-28 | 2008-11-05 | 河南省电力公司郑州供电公司 | Portable insulation maintenance gap bridge |
| CN202258580U (en) * | 2011-09-14 | 2012-05-30 | 海东供电公司 | Wire incoming and outgoing rack for 110kV line strain composite insulator string |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102709840A (en) | 2012-10-03 |
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