CN101567528B - Method for electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines - Google Patents
Method for electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines Download PDFInfo
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- CN101567528B CN101567528B CN2008100432758A CN200810043275A CN101567528B CN 101567528 B CN101567528 B CN 101567528B CN 2008100432758 A CN2008100432758 A CN 2008100432758A CN 200810043275 A CN200810043275 A CN 200810043275A CN 101567528 B CN101567528 B CN 101567528B
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Abstract
The invention discloses a method for an electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines, comprising the following steps: firstly using an insulator to shield leads D and F; installing drainage wires below the leads; installing an insulated fixed bracket of a three-phase lead; clamping an extended lead in a groove of a bracket crossed bar; connecting the extended lead with the original leads on a wire pole; finishing the installation of the other end of the extended lead to make the lead not droop, and detaching the insulated fixed bracket of three-phase lead. Through using the insulated fixed bracket of the three-phase lead, the invention can greatly reduce the work load of the electrification end-hanging operation of an upper layer circuit at 60-90 degrees of corners on 10 kilovolt long lines (trunk lines), reduces the number of the workers and the used apparatuses, and greatly reduces the cost.
Description
Technical field
The present invention relates to 60 °～90 ° charged extension ends of corner upper layer circuit of a kind of 10 kilovolts of long lines (main line) operational method.
Background technology
Now, along with the city is constantly developed, the supporting installation of power equipment need be carried out in some zones of newly building up.In some cases, existing electric wire need be extended in the new zone.Wherein, it is the operation of 60 °～90 ° charged extension ends of corner upper layer circuit of 10 kilovolts of long lines (main line) that a kind of more common operation is arranged, and the circuit that originally is right-angled bend is extended in this operation in the branch of a rectilinear direction.Owing to be live line working, so need in the operating process definitely to avoid the contact between the electric wire and cause short circuit.Existing method needs many overhead vehicles and several workman to carry out operation jointly, and the circuit that newly extends out is erected.This method cost is very high, but efficient is but very low, the more and more incompatible task that increases sharply with urban development now.
Summary of the invention
Technical problem to be solved by this invention provides the method that a kind of 10 kilovolt are extended the operation of 60 °～90 ° charged extension ends of corner, can adopt simple steps, reduce the workload and the cost of 60 °～90 ° charged extension ends of corner upper layer circuit of 10 kilovolts of long lines (main line) operation.
For solving the problems of the technologies described above, the technical scheme of insulated fixed bracket of three-phase lead of the present invention is, with insulator lead D and F are covered up earlier, drainage thread is installed below lead then, described drainage thread is connected lead A with lead D, insulated fixed bracket of three-phase lead is installed then, described insulated fixed bracket of three-phase lead comprises bracket base, rack platform, the support diagonal brace, support iron, the support stand, support stay bolt and support whippletree, described bracket base and described support iron all are fixed on the electric pole, described support iron be positioned at described bracket base under, described rack platform is a rectangle, a minor face of described rack platform is connected on the described bracket base, described rack platform is horizontal attitude, and an end of described support diagonal brace is connected to described support iron, and the other end is connected to the end of described rack platform away from electric pole; Described support stand upwards is vertically mounted on the end of described rack platform away from electric pole, one end of described support stay bolt is connected to the end of described rack platform near electric pole, the other end of described support stay bolt is connected to the upper end of described support stand, the upper end of described support stand also is provided with the support whippletree, and described support whippletree is provided with the groove that holds electric wire; During installation bracket base is fixedly mounted on the electric pole, rack platform is installed on the described bracket base, support iron and support diagonal brace are installed below described bracket base then, mounting bracket stand and support stay bolt on rack platform afterwards, mounting bracket whippletree in the support stand at last, after described insulated fixed bracket of three-phase lead installs, the lead that prolongs is stuck in the groove on the described support whippletree, and the lead that prolongs is connected with original lead on the electric pole, lead H is connected to lead A, lead I is connected to lead B, and lead J is connected to lead C; An other end of lead to be prolonged installs and after making that lead can be not sagging, described insulated fixed bracket of three-phase lead is removed.
The present invention is by having adopted insulated fixed bracket of three-phase lead, greatly reduce the workload of 60 °～90 ° charged extension ends of corner upper layer circuit of 10 kilovolts of long lines (main line) operation, reduced and participated in the workman's number of operation and the equipment of use, greatly reduced cost.
Description of drawings
The method of the present invention's 10 kilovolt being extended the operation of 60 °～90 ° charged extension ends of corner below in conjunction with drawings and Examples is described in further detail:
Fig. 1 is the schematic diagram of the bracket base of insulated fixed bracket of three-phase lead of the present invention;
Fig. 2 is the rack platform of insulated fixed bracket of three-phase lead of the present invention;
Fig. 3 is the support diagonal brace of insulated fixed bracket of three-phase lead of the present invention;
Fig. 4 is the support iron of insulated fixed bracket of three-phase lead of the present invention;
Fig. 5 is the support stand of insulated fixed bracket of three-phase lead of the present invention;
Fig. 6 is the support stay bolt of insulated fixed bracket of three-phase lead of the present invention;
Fig. 7 is the support whippletree of insulated fixed bracket of three-phase lead of the present invention;
Fig. 8 and Fig. 9 extend the scheme of installation of the method for 60 °～90 ° charged extension ends of corner operation for the present invention's 10 kilovolt.
Reference numeral is among the figure, 1. bracket base; 2. rack platform; 3. support diagonal brace; 4. support iron; 5. support stand; 6. support stay bolt; 7. support whippletree; 8. electric pole; 9. groove; 10. insulator.
Embodiment
The present invention has adopted a kind of insulated fixed bracket of three-phase lead, as Fig. 1～shown in Figure 8, comprise bracket base 1, rack platform 2, support diagonal brace 3, support iron 4, support stand 5, support stay bolt 6 and support whippletree 7, described bracket base 1 and described support iron 4 all are fixed on the electric pole 8, described support iron 4 be positioned at described bracket base 1 under, described rack platform 2 is a rectangle, a minor face of described rack platform 2 is connected on the described bracket base 1, described rack platform 2 is horizontal attitude, one end of described support diagonal brace 3 is connected to described support iron 4, and the other end is connected to the end of described rack platform 2 away from electric pole; Described support stand 5 upwards is vertically mounted on the end of described rack platform 2 away from electric pole, one end of described support stay bolt 6 is connected to the end of described rack platform 2 near electric pole, the other end of described support stay bolt 6 is connected to the upper end of described support stand 5, the upper end of described support stand 5 also is provided with support whippletree 7, and described support whippletree 7 is provided with the groove 9 that holds electric wire.
Described rack platform 2 is connected with described support iron 4 by two described support diagonal braces 3, and described two support diagonal braces 3 are installed in the both sides of described rack platform 2 respectively.
Described rack platform 2 is connected with described support stand 5 by two described support stay bolts 6, and described two support stay bolts 6 are installed in the both sides of described rack platform 2 respectively.
Described support whippletree 7 is provided with three grooves 9 that hold electric wire.
The method of 60 °～90 ° charged extension ends of corner of the present invention's 10 kilovolt extension operation as shown in Figure 9, when carrying out the operation of 60 °～90 ° charged extension ends of corner upper layer circuit of 10 kilovolts of long lines (main line), with insulator 10 lead D and F are covered up, drainage thread is installed below lead then, described drainage thread is connected lead A with lead D, then bracket base 1 is fixedly mounted on the electric pole, rack platform 2 is installed on the described bracket base 1, support iron 4 and support diagonal brace 3 are installed below described bracket base 1 then, mounting bracket stand 5 and support stay bolt 6 on rack platform 2, mounting bracket whippletree 7 in support stand 5 at last afterwards.After described insulated fixed bracket of three-phase lead installs, the lead that prolongs is stuck in the groove on the described support whippletree 7, and the lead that prolongs is connected with original lead on the electric pole, as shown in Figure 9, lead H is connected to lead A, and lead I is connected to lead B, and lead J is connected to lead C.An other end of lead to be prolonged installs and after making that lead can be not sagging, described insulated fixed bracket of three-phase lead is removed.
In sum, the present invention is by having adopted insulated fixed bracket of three-phase lead, greatly reduce the workload of 60 °～90 ° charged extension ends of corner upper layer circuit of 10 kilovolts of long lines (main line) operation, reduced and participated in the workman's number of operation and the equipment of use, greatly reduce cost.
Claims (3)
1. a kilovolt is extended the method for 60 °～90 ° charged extension ends of corner operation, it is characterized in that, with insulator lead D and F are covered up earlier, drainage thread is installed below lead then, described drainage thread is connected lead A with lead D, insulated fixed bracket of three-phase lead is installed then, described insulated fixed bracket of three-phase lead comprises bracket base, rack platform, the support diagonal brace, support iron, the support stand, support stay bolt and support whippletree, described bracket base and described support iron all are fixed on the electric pole, described support iron be positioned at described bracket base under, described rack platform is a rectangle, a minor face of described rack platform is connected on the described bracket base, described rack platform is horizontal attitude, one end of described support diagonal brace is connected to described support iron, and the other end is connected to the end of described rack platform away from electric pole; Described support stand upwards is vertically mounted on the end of described rack platform away from electric pole, one end of described support stay bolt is connected to the end of described rack platform near electric pole, the other end of described support stay bolt is connected to the upper end of described support stand, the upper end of described support stand also is provided with the support whippletree, and described support whippletree is provided with the groove that holds electric wire; During installation bracket base is fixedly mounted on the electric pole, rack platform is installed on the described bracket base, support iron and support diagonal brace are installed below described bracket base then, mounting bracket stand and support stay bolt on rack platform afterwards, mounting bracket whippletree in the support stand at last, after described insulated fixed bracket of three-phase lead installs, the lead that prolongs is stuck in the groove on the described support whippletree, and the lead that prolongs is connected with original lead on the electric pole, lead H is connected to lead A, lead I is connected to lead B, and lead J is connected to lead C; An other end of lead to be prolonged installs and after making that lead can be not sagging, described insulated fixed bracket of three-phase lead is removed.
2. 10 kilovolt according to claim 1 are extended the method for 60 °～90 ° charged extension ends of corner operation, it is characterized in that, described rack platform is connected with described support iron phase by two described support diagonal braces, and described two support diagonal braces are installed in the both sides of described rack platform respectively.
3. 10 kilovolt according to claim 1 are extended the method for 60 °～90 ° charged extension ends of corner operation, it is characterized in that, described rack platform is connected with described support stand by two described support stay bolts, and described two support stay bolts are installed in the both sides of described rack platform respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100432758A CN101567528B (en) | 2008-04-22 | 2008-04-22 | Method for electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100432758A CN101567528B (en) | 2008-04-22 | 2008-04-22 | Method for electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101567528A CN101567528A (en) | 2009-10-28 |
| CN101567528B true CN101567528B (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100432758A Active CN101567528B (en) | 2008-04-22 | 2008-04-22 | Method for electrification end-hanging operation at 60-90 degrees of corners on 10 kilovolt lines |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011484B (en) * | 2010-12-01 | 2013-05-08 | 河南省电力公司南阳供电公司 | Top rotating aerial work bench |
| CN102664378B (en) * | 2012-05-11 | 2015-01-07 | 辽宁省电力有限公司盘锦供电公司 | Strain tower drainage wire bracket and method for stabilizing drainage wire |
| CN110797795A (en) * | 2019-12-04 | 2020-02-14 | 云南电网有限责任公司带电作业分公司 | Operation method for breaking or connecting 10kV insulated wire line branch line drainage wire by insulating short rod |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200997499Y (en) * | 2006-09-05 | 2007-12-26 | 上海电力带电作业技术开发有限公司 | Insulated platform apparatus for 360degree rotary electric operation |
-
2008
- 2008-04-22 CN CN2008100432758A patent/CN101567528B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200997499Y (en) * | 2006-09-05 | 2007-12-26 | 上海电力带电作业技术开发有限公司 | Insulated platform apparatus for 360degree rotary electric operation |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-281623A 2002.09.27 |
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| CN101567528A (en) | 2009-10-28 |
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