CN105826867A - Tool and method for adjusting interval positions of low-voltage lines in distribution network live working - Google Patents
Tool and method for adjusting interval positions of low-voltage lines in distribution network live working Download PDFInfo
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- CN105826867A CN105826867A CN201610400730.XA CN201610400730A CN105826867A CN 105826867 A CN105826867 A CN 105826867A CN 201610400730 A CN201610400730 A CN 201610400730A CN 105826867 A CN105826867 A CN 105826867A
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- Prior art keywords
- cable clamping
- clamping interface
- fixing device
- action bars
- low
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention provides a tool and method for adjusting the interval positions of low-voltage lines in distribution network live working, and belongs to the technical field of electric power construction. The tool comprises an insulating track and an operating rod, wire clamping tank fixing devices are installed on the insulating track, a wire clamping tank is installed on each wire clamping tank fixing device, and the wire clamping tanks move on the insulating track through the wire clamping tank fixing devices. A constructor can use the operating rod to clamp wires in the wire clamping tanks after completely erecting the insulating track, the operating rod is used for adjusting relative positions of the wire clamping tank fixing devices on the insulating track, and the positions of the wire clamping tanks are fixed, so that construction is convenient. The tool is simple in structure, the operating rod can be used for controlling interval distances of low voltages from ground potential, the distance between an operator and an electrified body is far, the personal safety of the constructor is guaranteed, and the operating time is shortened; meanwhile, single-person operation can be achieved, and consumption of manpower and material resources is reduced; in addition, the adjusting method is simple, easy to carry out and convenient to popularize.
Description
Technical field
The invention provides a kind of distribution network live line work and adjust instrument and the method for the alternate position of low-voltage circuit, belong to technical field of electric power construction.
Background technology
Distribution network live line work, it is simply that ensureing that client does not has a power failure or in the case of few power failure, work circuit and auxiliary device thereof are constructed, overhaul, rushed to repair.Livewire work i.e. can directly be overhauled on charged circuit and equipment.At present, distribution network high-low pressure with bar circuit (high pressure 10kV, low pressure 380V) operation time, if operating personnel or equipment pass through from low-voltage circuit is alternate, when operating high-tension line or low-voltage circuit top device, alternate safe distance is not enough, and following three method be usually taken:
1, low-voltage circuit wire and equipment are carried out insulation to cover；
2, medial potential working method is used directly to operate；
3, earth potential working method is used to be expanded by primary cable phase spacing.
Method 1 needs professional to carry out masking work, method 2, owing to workmen's distance electrical body is relatively near, needs to operate on the basis of carrying out masking work again, for closely also delaying the activity duration to the masking work of electrical body is the most dangerous.
Method 3, needs many people (every at least one people mutually) to operate low-voltage circuit, and the operating personnel of needs is numerous.
Such as: when high-low pressure is with the new vertical rod of bar circuit, new vertical rod tower needs to pass through between low-voltage circuit is biphase.But the first phase and the second phase is biphase as without processing (being carried out by low-voltage circuit insulate covers or B, C distance between biphase is increased), then it is likely to occur that the accidents such as the short circuit because new pole erecting contact low-voltage circuit causes, ground connection occur.
The mode of existing expansion two phase spacing substantially has two kinds: use aerial lift device with insulated arm operation, and operating personnel draws wire with little arm or insulation ropes, expands phase spacing；Using insulating bar operation, several operating personnels are on ground or bar, and everyone controls an action bars to control phase spacing.
But use aerial lift device with insulated arm operation need job that requires special skills vehicle and be limited to field operation surrounding environment influence.Use insulating bar working system to need many people to operate simultaneously.
Summary of the invention
For solving the problems referred to above, the invention provides a kind of distribution network live line work and adjust instrument and the method for adjustment of the alternate position of low-voltage circuit, this instrument can expand low-voltage circuit phase spacing in the short time, and need not that low-voltage circuit wire and equipment are carried out insulation and cover, can effectively use manpower and material resources sparingly.
Technical scheme is as follows: a kind of distribution network live line work adjusts the instrument of the alternate position of low-voltage circuit, including insulated track and action bars, cable clamping interface fixing device is installed on described insulated track, being provided with cable clamping interface in described cable clamping interface fixing device, described cable clamping interface is moved on insulated track by cable clamping interface fixing device.
Technical solution of the present invention also includes: described cable clamping interface fixing device is provided with securing member, and described action bars end is provided with the groove matched with securing member.Workmen can utilize groove by fasteners tight, and cable clamping interface fixing device is fixed on precalculated position.
Technical solution of the present invention also includes: described cable clamping interface carries structure for torr, and described securing member is arranged on the bottom of cable clamping interface fixing device, and securing member is arranged on the bottom of cable clamping interface fixing device and action bars can be facilitated to operate securing member.
Technical solution of the present invention also includes: described cable clamping interface is suspended structure, and described securing member is arranged on the side of cable clamping interface fixing device, and securing member is arranged on the side of cable clamping interface fixing device and action bars can be facilitated to operate securing member.
Technical solution of the present invention also includes: be provided with retaining structure in described cable clamping interface fixing device, and described retaining structure includes that lobe, described action bars are L-type, and described action bars includes that transverse tube and vertical tube, described transverse tube adapt with the width of cable clamping interface fixing device.Operator can extrude cable clamping interface fixing device directly down, by retaining structure, cable clamping interface fixing device is fixed on insulated track, the transverse tube of action bars can convenient construction personnel by drop-down for cable clamping interface fixing device, the retaining structure making cable clamping interface fixing device blocks insulated track, positions it.
Technical solution of the present invention also includes: described cable clamping interface carries structure for torr, makes wire be not easily disconnected from cable clamping interface.
Technical solution of the present invention also includes: described cable clamping interface is suspended structure, it is possible to facilitate wire to snap in cable clamping interface.
Technical solution of the present invention also includes: described insulated track is connected with fixed support, described fixed support is Height Adjustable structure, described action bars is adjustable in length structure, support bracket fastened setting can stable insulation track, make more convenient to operate, the setting of the adjustable in length structure of support bracket fastened Height Adjustable structurally and operationally bar can save the space that equipment is deposited, and workmen conveniently can operate according to regulating working conditions height or length.
Technical solution of the present invention also includes a kind of method that distribution network live line work adjusts the alternate position of low-voltage circuit, and when described cable clamping interface fixing device is provided with securing member, key step includes:
1) action bars is used to be snapped in cable clamping interface by wire；
2) the action bars regulation cable clamping interface fixing device relative position on insulated track is used；
3) by the groove of action bars by fasteners tight, the position of fixing cable clamping interface；
4), after having constructed, wire is withdrawn from cable clamping interface；
5) action bars is used to be unscrewed by securing member；
6) evacuation appliance.
When being provided with retaining structure in described cable clamping interface fixing device, the method that this kind of distribution network live line work adjusts the alternate position of low-voltage circuit, key step includes:
1) action bars is used to be snapped in cable clamping interface by wire；
2) the action bars regulation cable clamping interface fixing device relative position on insulated track is used；
3) utilize operation pipe transverse tube to push cable clamping interface fixing device, make the stuck moving guide rail of retaining structure, the position of fixing cable clamping interface；
4), after having constructed, action bars is used to be withdrawn from cable clamping interface by wire；
5) use action bars to push up against cable clamping interface fixing device, make insulated track depart from retaining structure；
6) evacuation appliance.
The invention have the benefit that technical solution of the present invention provides a kind of distribution network live line work and adjusts instrument and the method for the alternate position of low-voltage circuit, this tool construction is simple, can be by using action bars, directly from the distance that earth potential regulation low pressure is alternate, and therefore increase the distance between operating personnel and electrical body, and then ensure that the personal safety of workmen, the present invention is by setting up insulated track, cable clamping interface fixing device is made to move on insulated track, and then the wire in cable clamping interface is carried out the adjustment of position, thus reached to adjust the purpose of the alternate position of circuit, and need when this instrument decreases intermediate potential or other mode operations to carry out the step covered that insulate, decrease the activity duration；Meanwhile, this instrument can directly carry out constructing operation after positioning cable clamping interface fixing device, need not several workmen on ground or bar, everyone controls an action bars to control phase spacing, and therefore the present invention can realize one man operation, decrease the consuming of manpower and materials, the adjustment tool construction of the present invention is simple, and easy to operate, cost is low, there is good practicality, and the method for adjustment of the present invention is simple, it is convenient to promote, and has good market popularization value。
Accompanying drawing explanation
Fig. 1 is operation chart of the present invention；
Fig. 2 is the structural representation of the embodiment of the present invention 1；
Fig. 3 is the structural representation of the embodiment of the present invention 2；
Fig. 4 is the retaining structure schematic diagram of cable clamping interface fixing device of the present invention；
Fig. 5 is the structural representation of the embodiment of the present invention 3；
Fig. 6 is the structural representation of the embodiment of the present invention 4.
Wherein, 1, insulated track, 2, cable clamping interface, 3, cable clamping interface fixing device, 4, action bars, 5, securing member, 6, groove, 7, lobe, 8, transverse tube, 9, fixed support, 10, pars contractilis connector.
Detailed description of the invention
Below according to accompanying drawing and combine one preferably embodiment, technical scheme is further described.
The invention provides a kind of distribution network live line work and adjust the instrument of the alternate position of low-voltage circuit, including insulated track 1 and action bars 4, described insulated track 1 is provided with cable clamping interface 2, described cable clamping interface 2 is moved on insulated track 1 by cable clamping interface fixing device 3.
Insulated track 1 can be tubular structure, and described cable clamping interface fixing device 3 is enclosed within insulated track 1 and moves；Isolated pipe 1 also can be I-shaped structure, insulated track 1 now is provided with depressed part, moves for cable clamping interface fixing device, and the bottom of cable clamping interface fixing device 3 is provided with projection, described projection is positioned at the depressed part of insulated track 1, cable clamping interface fixing device 3 is stablized on insulated track 1 with this.
The embodiment of the present invention 1 structural representation is as shown in Figure 2, described cable clamping interface fixing device 3 is provided with securing member 5 such as screw or knob etc., described action bars 4 end is provided with groove 6, described groove 6 adapts with the structure of securing member 5, described cable clamping interface 2 carries structure for torr, described securing member 5 is arranged on the bottom of cable clamping interface fixing device 3, and insulated track 1 is erected at below distribution line.
The embodiment of the present invention 2 structural representation is as it is shown on figure 3, described cable clamping interface 2 is suspended structure, and described securing member 5 is arranged on the side of cable clamping interface fixing device 3, and insulated track 1 is erected on distribution line.
In addition, also by the retaining structure arranged in cable clamping interface fixing device 3 as shown in Figure 4, cable clamping interface fixing device 3 is positioned, described retaining structure includes lobe 7, described lobe 7 makes (such as gum elastic etc.) for elastic insulating material, can facilitate the fixing of insulated track 1 and depart from, insulated track 1 now is I-shaped structure.
Action bars 4 is L-type, is divided into transverse tube 8 and vertical tube, transverse tube 8 to adapt with the width of cable clamping interface fixing device 3, it is possible to facilitates action bars 4 by drop-down for cable clamping interface fixing device 3, makes the lobe 7 of cable clamping interface fixing device 3 block insulated track 1, position it.
The embodiment of the present invention 3 structural representation is as it is shown in figure 5, described cable clamping interface 2 carries structure (such as draw-in groove, U-type groove etc.) for torr, and wire is not easily disconnected from cable clamping interface 2.
As shown in Figure 6, described cable clamping interface 2 is suspended structure (such as hook, elastic draw-in groove etc.) to the embodiment of the present invention 4 structural representation, it is possible to facilitate wire to snap in cable clamping interface 2.
On the basis of above example, fixed support 9 also can be set, described insulated track 1 is connected with fixed support 9, described fixed support 9 is Height Adjustable structure, can be provided with pars contractilis connector 10 according to the height of regulating working conditions fixed support 9 on fixed support 9, it is provided with retaining structure on pars contractilis connector 10, the part that fixed support 9 extends can be positioned, stablize fixed support 9, the carrying out of convenient operation.Described support can be single supporting construction, it is also possible to be dual-support structure.
Described action bars 4 may be configured as adjustable in length structure, the length of action bars 4 can be regulated according to construction height, action bars 4 is provided with pars contractilis connector 10, pars contractilis connector 10 is provided with retaining structure, can fix the length of action bars 4, convenient construction personnel operate.
Insulated track 1 is shiny surface with the contact surface of cable clamping interface fixing device 3, and cable clamping interface fixing device 3 and action bars 4 are insulant and make, preferably glass fiber material.
When described cable clamping interface fixing device 3 is provided with securing member 5, the present invention adjusts the method for the alternate position of low-voltage circuit, and the key step after having set up insulated track includes:
1) action bars 4 is used to be snapped in cable clamping interface 2 by wire；
2) action bars 4 is used to regulate the cable clamping interface fixing device 3 relative position on insulated track 1；
3) by the groove 6 of action bars 4, securing member 5 is screwed, the position of fixing cable clamping interface 2；
4), after having constructed, wire is withdrawn from cable clamping interface 2；
5) action bars 4 is used to be unscrewed by securing member 5；
6) evacuation appliance.
Accordingly, when being provided with retaining structure in described cable clamping interface fixing device 3, the method for this kind of alternate position of adjustment low-voltage circuit, the key step after having set up insulated track includes:
1) action bars 4 is used to be snapped in cable clamping interface 2 by wire；
2) action bars 4 is used to regulate the cable clamping interface fixing device 3 relative position on insulated track 1；
3) cable clamping interface fixing device 3 pushed by the transverse tube 8 utilizing operation pipe 4, make the stuck moving guide rail of retaining structure, the position of fixing cable clamping interface 2；
4), after having constructed, action bars 4 is used to be withdrawn from cable clamping interface 2 by wire；
5) use action bars 4 to push up against cable clamping interface fixing device 3, make insulated track 1 depart from retaining structure；
6) evacuation appliance.
Wherein, insulated track 1 can be fixed by fixed support 9 by the process setting up insulated track 1, it is also possible to by using action bars 4 insulated track 1 is lifted corresponding height and makes cable clamping interface 2 block distribution line to be directly fixed.
Additionally, fixed support 9 and insulated track 1 may also be configured to demountable structure, fixed support 9 is connected by the fixing connector such as buckle, anchor ear with insulated track 1.
On this basis, fixed support 9 can be set to the structure similar to action bars 4 shape, after the erection of insulated track 1 is completed, fixed support 9 be dismantled, uses as action bars 4.
Technical solution of the present invention provides a kind of distribution network live line work and adjusts instrument and the method for the alternate position of low-voltage circuit, this tool construction is simple, can be by using action bars 4, directly from the distance that earth potential regulation low pressure is alternate, and therefore increase the distance between operating personnel and electrical body, and then ensure that the personal safety of workmen, the present invention is by setting up insulated track 1, cable clamping interface fixing device 3 is made to move on insulated track 1, and then the wire in cable clamping interface 2 is carried out the adjustment of position, thus reached to adjust the purpose of the alternate position of circuit, and need when this instrument decreases intermediate potential or other mode operations to carry out the step covered that insulate, decrease the activity duration；Meanwhile, this instrument can directly carry out constructing operation after positioning cable clamping interface fixing device 3, everyone controls an action bars 4 to control phase spacing on ground or bar to need not several workmen, therefore the present invention can realize one man operation, decreases the consuming of manpower and materials, and the adjustment tool construction of the present invention is simple, easy to operate, cost is low, has good practicality, and the method for adjustment of the present invention is simple, it is convenient to promote, and has good market popularization value。
The above, be only presently preferred embodiments of the present invention, the present invention not does any pro forma restriction, done all any amendment, equivalent and improvement etc., should be included within the scope of the present invention.
Claims (10)
1. the instrument of the distribution network live line work adjustment alternate position of low-voltage circuit, it is characterized in that: include insulated track and action bars, cable clamping interface fixing device is installed on described insulated track, being provided with cable clamping interface in described cable clamping interface fixing device, described cable clamping interface is moved on insulated track by cable clamping interface fixing device.
A kind of distribution network live line work the most as claimed in claim 1 adjusts the instrument of the alternate position of low-voltage circuit, it is characterised in that: described cable clamping interface fixing device is provided with securing member, and described action bars end is provided with the groove matched with securing member.
A kind of distribution network live line work the most as claimed in claim 2 adjusts the instrument of the alternate position of low-voltage circuit, it is characterised in that: described cable clamping interface carries structure for torr, and described securing member is arranged on the bottom of cable clamping interface fixing device.
A kind of distribution network live line work the most as claimed in claim 2 adjusts the instrument of the alternate position of low-voltage circuit, it is characterised in that: described cable clamping interface is suspended structure, and described securing member is arranged on the side of cable clamping interface fixing device.
A kind of distribution network live line work the most as claimed in claim 1 adjusts the instrument of the alternate position of low-voltage circuit, it is characterized in that: in described cable clamping interface fixing device, be provided with retaining structure, described retaining structure includes lobe, described action bars is L-type, described action bars includes that transverse tube and vertical tube, described transverse tube adapt with the width of cable clamping interface fixing device.
A kind of distribution network live line work the most as claimed in claim 5 adjusts the instrument of the alternate position of low-voltage circuit, it is characterised in that: described cable clamping interface carries structure for torr.
A kind of distribution network live line work the most as claimed in claim 5 adjusts the instrument of the alternate position of low-voltage circuit, it is characterised in that: described cable clamping interface is suspended structure.
8. a kind of distribution network live line work as described in claim 1 to 7 is arbitrary adjusts the instrument of the alternate position of low-voltage circuit, it is characterized in that: described insulated track is connected with fixed support, described fixed support is Height Adjustable structure, and described action bars is adjustable in length structure.
9. the method that distribution network live line work adjusts the alternate position of low-voltage circuit, key step includes:
1) wire is snapped in cable clamping interface；
2) the action bars regulation cable clamping interface fixing device relative position on insulated track is used；
3) by the groove of action bars by fasteners tight, the position of fixing cable clamping interface；
4), after having constructed, wire is withdrawn from cable clamping interface；
5) action bars is used to be unscrewed by securing member；
6) evacuation appliance.
10. the method that distribution network live line work adjusts the alternate position of low-voltage circuit, key step includes:
1) action bars is used to be snapped in cable clamping interface by wire；
2) the action bars regulation cable clamping interface fixing device relative position on insulated track is used；
3) utilize operation pipe transverse tube to push cable clamping interface fixing device, make the stuck moving guide rail of retaining structure, the position of fixing cable clamping interface；
4), after having constructed, action bars is used to be withdrawn from cable clamping interface by wire；
5) use action bars to push up against cable clamping interface fixing device, make insulated track depart from retaining structure；
6) evacuation appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400730.XA CN105826867B (en) | 2016-06-08 | 2016-06-08 | The instrument and method of a kind of distribution network live line work alternate position of adjustment low-voltage circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400730.XA CN105826867B (en) | 2016-06-08 | 2016-06-08 | The instrument and method of a kind of distribution network live line work alternate position of adjustment low-voltage circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105826867A true CN105826867A (en) | 2016-08-03 |
| CN105826867B CN105826867B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610400730.XA Active CN105826867B (en) | 2016-06-08 | 2016-06-08 | The instrument and method of a kind of distribution network live line work alternate position of adjustment low-voltage circuit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2320710Y (en) * | 1997-07-15 | 1999-05-26 | 银田金属企业有限公司 | Elevated floor crossbeam and distributing holder structure thereof |
| CN201230167Y (en) * | 2008-06-23 | 2009-04-29 | 福建省福州电业局 | Insulation bidirectional stay |
| JP2015007574A (en) * | 2013-06-25 | 2015-01-15 | 中国電力株式会社 | Live line tool testing device, and live line tool testing method |
| CN204358254U (en) * | 2014-11-26 | 2015-05-27 | 国家电网公司 | A kind of macromolecule cable bearer |
| CN104882825A (en) * | 2015-06-23 | 2015-09-02 | 国家电网公司 | High-voltage live lead disconnecting device and lead method, and high-voltage live lead connecting device and lead method |
-
2016
- 2016-06-08 CN CN201610400730.XA patent/CN105826867B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2320710Y (en) * | 1997-07-15 | 1999-05-26 | 银田金属企业有限公司 | Elevated floor crossbeam and distributing holder structure thereof |
| CN201230167Y (en) * | 2008-06-23 | 2009-04-29 | 福建省福州电业局 | Insulation bidirectional stay |
| JP2015007574A (en) * | 2013-06-25 | 2015-01-15 | 中国電力株式会社 | Live line tool testing device, and live line tool testing method |
| CN204358254U (en) * | 2014-11-26 | 2015-05-27 | 国家电网公司 | A kind of macromolecule cable bearer |
| CN104882825A (en) * | 2015-06-23 | 2015-09-02 | 国家电网公司 | High-voltage live lead disconnecting device and lead method, and high-voltage live lead connecting device and lead method |
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| Publication number | Publication date |
|---|---|
| CN105826867B (en) | 2018-05-01 |
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