CN204167520U - A kind of charged interim joining seam device for 10kV power distribution network - Google Patents
A kind of charged interim joining seam device for 10kV power distribution network Download PDFInfo
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- CN204167520U CN204167520U CN201420546340.XU CN201420546340U CN204167520U CN 204167520 U CN204167520 U CN 204167520U CN 201420546340 U CN201420546340 U CN 201420546340U CN 204167520 U CN204167520 U CN 204167520U
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Abstract
The utility model relates to a kind of charged interim joining seam device for 10kV power distribution network, described interim joining seam device is used for overlapping the main traverse line of electric power system and lead-in wire, described interim joining seam device is used for carrying out charged lap works in the rainy day to power distribution network, interim joining seam device comprises interim joining seam and insulating bar, it is coupling type structure that described interim joining seam is used for the position fixing with main traverse line, it is cross bumper structure that described interim joining seam is used for the position fixing with insulating bar, the head end of cross bumper structure is screw thread, the tail end of described cross bumper structure is " ten " character form structure, the head end of cross thick stick is by screw thread and coupling type anatomical connectivity, " ten " character form structure of described cross thick stick tail end is fixedly connected with insulating bar, the part that the tail end of cross thick stick is connected with insulating bar forms cross lock buckle structure.The utility model can be implemented in rainy day band electrical bonding lead-in wire work, shortens the break period of customer power supply, improves the reliability of power supply.
Description
Technical field
The utility model relates to power distribution network, particularly 10kV live working of distribution network, specifically a kind of charged interim joining seam device for power distribution network.
Background technology
Along with the further acceleration of Chinese Urbanization and the Course of Urbanization, city size is in continuous expansion, and urban electric power supply requirement, in continuous increase, is also improving constantly the requirement of the reliability of power supply.For ensureing the normal electricity consumption of the user such as resident, enterprise, power supply department is extensively studied, introduce advanced electric equipment and technology.Power distribution network is direct user oriented power infrastructures, and over nearly 10 years, the work of 10kV live working of distribution network obtains develop rapidly, is events in operation, operating frequency, operating efficiency all reach the peak of history." aerial lift device with insulated arm insulating gloves working system charged breaking and connecting lead-in wire " is electric company's modal 10kV live line working job.Certain electric company is in 1122 the charged events in operation to complete for 2012, and " band electrical bonding lead-in wire " project has 489 times, accounting 43.58%.
But the work of band electrical bonding lead-in wire has some limitations, can only carry out under good weather, at the weather such as high humidity, thick fog, not allow to carry out the work of band electrical bonding lead-in wire, rainy day just more should not.If run into change in weather, the band electrical bonding lead-in wire work pre-established can only be cancelled, and when running into the fault that the bad weathers such as misty rain cause, the charged repairing carrying out overlapping class also can only be deeply aware of one's own helplessness when faced with a great task.So will certainly have an impact to customer power supply, reduce power supply reliability.Such as, on certain electric pole, charged recovery 10kV props up and connects joining seam work, causes hot-line connector to be cancelled because raining, joining seam success after 8 hours.In PMS, data show, this situation causes the load of actual loss just to have 730kVA, lose amount of power supply 5840kWh altogether, all cause no small loss to company and user.
In order to carry out the work of band electrical bonding lead-in wire when can ensure staff's personal safety when rainy weather, need to develop a kind of coefficient of safety high, interim joining seam device easy and simple to handle, ensure that when the rainy day worker safety is quick, complete charged gage lap work with guaranteeing both quality and quantity, again interim joining seam is removed when meteorological condition allows, change conventional piecing devices.
Utility model content
The purpose of this utility model is to provide a kind of charged interim joining seam device for 10kV power distribution network, interim joining seam device of described rainy day can be implemented in rainy day band electrical bonding lead-in wire work, shorten the break period of customer power supply, improve the reliability of power supply, can only carry out under good weather in order to solve the work of existing band electrical bonding lead-in wire, the problem that power supply reliability is low.
For achieving the above object, scheme of the present utility model is: a kind of charged interim joining seam device for 10kV power distribution network, described interim joining seam device is used for carrying out charged lap works in the rainy day to power distribution network, described interim joining seam device comprises interim joining seam and insulating bar, it is coupling type structure that described interim joining seam is used for the position fixing with main traverse line, the position that described interim joining seam is connected with pigtail splice is provided with screwed hole, described interim joining seam is fixed with coordinating of screwed hole by screw with pigtail splice, it is cross bumper structure that described interim joining seam is used for the position fixing with insulating bar, the head end of described cross bumper structure is screw thread, the tail end of described cross bumper structure is " ten " character form structure, the head end of described cross thick stick is by screw thread and coupling type anatomical connectivity, " ten " character form structure of described cross thick stick tail end is fixedly connected with insulating bar, form cross lock buckle structure, described insulating bar is cylinder type hollow body structure.
According to interim joining seam device described in the utility model, the bilateral symmetry of described insulating bar is provided with two J-shaped draw-in grooves, a longer side of described J-shaped draw-in groove is communicated with the top of insulating bar, the tail end of described cross thick stick is connected with insulating bar by J-shaped draw-in groove, forms cross lock buckle structure.
According to interim joining seam device described in the utility model, the material of described interim joining seam is copper.
According to interim joining seam device described in the utility model, the material of described interim joining seam is aluminium.
According to interim joining seam device described in the utility model, described interim joining seam and the contact resistance of main traverse line equal the contact resistance that 1.2 times are pacified general wire clamp.
According to interim joining seam device described in the utility model, described insulating bar is 24 ~ 28 circles for the fastening number of turns of the interim joining seam of aluminium matter.
According to interim joining seam device described in the utility model, described insulating bar for the fastening number of turns of the interim joining seam of aluminium matter for being more than or equal to 26 circles.
The beneficial effect that the utility model reaches: interim joining seam device of the present utility model achieves the rainy day and carries out charged gage lap work safely, shortens the break period of customer power supply, improves power supply quality and power supply reliability further.
Interim joining seam and main traverse line adopt coupling type structure, only need remove conductor part insulation, can link directly on wire, convenient and swift.
Interim joining seam is manner with lead-in wire junction, eliminates excessive in through-flow rear pigtail splice and cable junction stress and while the danger of rupture, pacifying general rifle with pacifying can to place easily when interim joining seam changed by general wire clamp.
The form of cross thick stick is taked in the contact site of interim joining seam and insulating bar, can ensure to realize seamless access with the upper end of insulating bar, thus enable earth potential working personnel use insulating bar convenience, be fixed on main traverse line by interim joining seam securely.
Accompanying drawing explanation
Fig. 1 is the overlap joint lead-in wire schematic diagram of interim joining seam for high-tension distributing line;
Fig. 2 is interim joining seam structural representation of the present utility model;
Fig. 3 is insulating bar structural representation of the present utility model.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail.
Embodiment:
As depicted in figs. 1 and 2, interim joining seam device described in the utility model is used for carrying out charged lap works in the rainy day to the main traverse line of electric power system and lead-in wire, realize the normal work of load, described interim joining seam device comprises interim joining seam and insulating bar, it is coupling type structure that described interim joining seam is used for the position fixing with main traverse line, the position that described interim joining seam is connected with pigtail splice is provided with screwed hole, described interim joining seam is fixed with coordinating of screwed hole by screw with pigtail splice, it is cross bumper structure that described interim joining seam is used for the position fixing with insulating bar, the head end of described cross bumper structure is screw thread, the tail end of described cross bumper structure is " ten " character form structure, the head end of described cross thick stick is by screw thread and coupling type anatomical connectivity, " ten " character form structure of described cross thick stick tail end is fixedly connected with insulating bar, the part that the tail end of described cross thick stick is connected with insulating bar forms cross lock buckle structure.
As shown in Figure 3, described insulating bar is cylinder type hollow body structure, the bilateral symmetry of described insulating bar is provided with two J-shaped draw-in grooves, a longer side of described J-shaped draw-in groove is communicated with the top of insulating bar, the tail end of described cross thick stick is connected with insulating bar by J-shaped draw-in groove, forms cross lock buckle structure.In use, the cross thick stick tail end of interim joining seam is snapped in insulating bar by the side that two J-shaped draw-in grooves are longer, then insulating bar is slightly rotated clockwise, realize the fixing of interim joining seam and insulating bar, after completing overlap joint work, insulating bar is slightly rotated counterclockwise, insulating bar can be taken off from interim joining seam, simple to operation.
The material of the interim joining seam described in the present embodiment is copper, and in other embodiments, the material of interim joining seam also can be aluminium.Described interim joining seam and the contact resistance of main traverse line equal the contact resistance that 1.2 times are pacified general wire clamp.
By test, when using the fastening interim joining seam of insulating bar, the contact resistance using different strength (the fastening different number of turns) to survey is different.For the interim joining seam of aluminium matter, when the fastening number of turns is 24 circle, contact resistance is 81u Ω, is 56u Ω, during fastening 28 circle all within the scope of reasonable value; For copper interim joining seam, when the fastening number of turns is 24 circle, contact resistance is 310u Ω, be 47u Ω during fastening 28 circle, visible copper interim joining seam pays particular attention to the size of the strength of use when fastening, uses larger strength to make close contact between interim joining seam and main traverse line as far as possible.In addition, by butt joint and main traverse line contact-making surface being smeared the test under the different situations of conductive paste, finding that contact resistance there is no reduction, with coating conductive paste is not identical, uses so actual and also not needing to smear conductive paste.Insulating bar described in the present embodiment is 24 ~ 28 circles for the fastening number of turns of the interim joining seam of aluminium matter.Described insulating bar for the fastening number of turns of the interim joining seam of aluminium matter for being more than or equal to 26 circles.
When using interim joining seam device of the present utility model to carry out band electrical bonding lead-in wire, directly interim joining seam is hung on main traverse line by hook, and with insulating bar, interim joining seam is tightened by the head end of cross thick stick, realize the fixing, convenient and swift of main traverse line and interim joining seam.
Interim joining seam device of the present utility model can complete charged gage lap work under rainy weather, by the mode of earth potential working, achieve rainy day safety area electrical bonding lead-in wire, the break period of further shortening customer power supply, improve power supply quality and power supply reliability.
Claims (7)
1., for a charged interim joining seam device for 10kV power distribution network, described interim joining seam device is used for overlapping the main traverse line of electric power system and lead-in wire, realizes the normal work of load, it is characterized in that:
Described interim joining seam device is used for carrying out charged lap works in the rainy day to power distribution network, described interim joining seam device comprises interim joining seam and insulating bar, it is coupling type structure that described interim joining seam is used for the position fixing with main traverse line, the position that described interim joining seam is connected with pigtail splice is provided with screwed hole, described interim joining seam is fixed with coordinating of screwed hole by screw with pigtail splice, it is cross bumper structure that described interim joining seam is used for the position fixing with insulating bar, the head end of described cross bumper structure is screw thread, the tail end of described cross bumper structure is " ten " character form structure, the head end of described cross thick stick is by screw thread and coupling type anatomical connectivity, " ten " character form structure of described cross thick stick tail end is fixedly connected with insulating bar, form cross lock buckle structure, described insulating bar is cylinder type hollow body structure.
2. the charged interim joining seam device for 10kV power distribution network according to claim 1, it is characterized in that the bilateral symmetry of described insulating bar is provided with two J-shaped draw-in grooves, a longer side of described J-shaped draw-in groove is communicated with the top of insulating bar, the tail end of described cross thick stick is connected with insulating bar by J-shaped draw-in groove, forms cross lock buckle structure.
3. the charged interim joining seam device for 10kV power distribution network according to claim 1, is characterized in that the material of described interim joining seam is copper.
4. the charged interim joining seam device for 10kV power distribution network according to claim 1, is characterized in that the material of described interim joining seam is aluminium.
5. the charged interim joining seam device for 10kV power distribution network according to claim 1, is characterized in that the contact resistance of described interim joining seam and main traverse line equals the contact resistance that 1.2 times are pacified general wire clamp.
6. the charged interim joining seam device for 10kV power distribution network according to claim 4, is characterized in that described insulating bar is 24 ~ 28 circles for the fastening number of turns of the interim joining seam of aluminium matter.
7. the charged interim joining seam device for 10kV power distribution network according to claim 4, to is characterized in that described insulating bar for the fastening number of turns of the interim joining seam of aluminium matter for being more than or equal to 26 circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546340.XU CN204167520U (en) | 2014-09-22 | 2014-09-22 | A kind of charged interim joining seam device for 10kV power distribution network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420546340.XU CN204167520U (en) | 2014-09-22 | 2014-09-22 | A kind of charged interim joining seam device for 10kV power distribution network |
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| CN204167520U true CN204167520U (en) | 2015-02-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218342A (en) * | 2014-09-22 | 2014-12-17 | 国网上海市电力公司 | Electric temporary lapping joint device applied to 10kV distribution network |
| CN105244645A (en) * | 2015-08-31 | 2016-01-13 | 国网辽宁省电力有限公司葫芦岛供电公司 | Adjustable low-voltage ground wire device for high and low voltage power work |
-
2014
- 2014-09-22 CN CN201420546340.XU patent/CN204167520U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218342A (en) * | 2014-09-22 | 2014-12-17 | 国网上海市电力公司 | Electric temporary lapping joint device applied to 10kV distribution network |
| CN104218342B (en) * | 2014-09-22 | 2017-02-08 | 国网上海市电力公司 | Electric temporary lapping joint device applied to 10kV distribution network |
| CN105244645A (en) * | 2015-08-31 | 2016-01-13 | 国网辽宁省电力有限公司葫芦岛供电公司 | Adjustable low-voltage ground wire device for high and low voltage power work |
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