CN205429192U - Novel low pressure earth connection device - Google Patents
Novel low pressure earth connection device Download PDFInfo
- Publication number
- CN205429192U CN205429192U CN201620193999.0U CN201620193999U CN205429192U CN 205429192 U CN205429192 U CN 205429192U CN 201620193999 U CN201620193999 U CN 201620193999U CN 205429192 U CN205429192 U CN 205429192U
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- Prior art keywords
- dop
- screw
- annealed copper
- nose
- connects
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000003326 Quality management system Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 101150097115 dop-3 gene Proteins 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model relates to a novel low pressure earth connection device cut straightly formula dop, a plurality of strands of annealed copper wires and insulating bar by three spiral dop, one and constitutes, and wherein three annealed copper wires are connected respectively to three spiral dop, and the other end of these three annealed copper wires collects into a bus through converging the line ware, and the other end of bus is connected with cut straightly the formula dop, the other separated sets of insulating bar. The utility model relates to a rationally, the design of easy operation, dop is small and exquisite, has not only solved the narrow and small space middle and low voltage generating line row of low -voltage switchgear and has been difficult to seal a problem of hanging, simultaneously still for the check man provides the convenient device of connecting wires as personnel, need not multiple repetition work, reduce cost, convenient and fast saves time, improves work efficiency, guarantees to examine and repair the security, is suitable for and widelys popularize the use at electric power industry.
Description
Technical field
This utility model belongs to electric power safety field, relates to safety inspection aid, especially a kind of New Low Voltage grounding wire device.
Background technology
In power engineering, requirement according in " low-voltage cabinet portable ground connection and ground short circuit line " (DL/T879-2004) and " livewire work portable ground connection and ground short circuit device " national standard: after identifying the low-voltage distributing line of maintenance, equipment indeed no-voltage, can use and the form of all phase lines and zero line grounding short circuit is prevented anti-power transmission.
On-the-spot at actual job, owing to current portions low-voltage switch box, such as A molding box, CF case, FDF case inside are arranged compact, low-voltage busbar is shorter, and end lead is the least, and feud is extremely difficult.Existing low-voltage grounding wire is fixed dimension, it is impossible to adapt to different low-voltage switch boxes, needs the size according to low-voltage switch box to manufacture corresponding earth lead, and workload is big, and cost is high and easily causes error；It addition, low-voltage cabinet outlet is intensive, spacing is little, touches electrical body the most by mistake and causes short circuit.Directly operator are caused danger, affect work efficiency and the accuracy of safety inspection work simultaneously.
Utility model content
In place of the purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of simple to operate, use safety, maintenance New Low Voltage grounding wire device rapidly and efficiently.
This utility model solves above-mentioned technical problem is that and takes techniques below scheme to realize:
A kind of New Low Voltage grounding wire device, if being made up of three spiral dops, a direct insertion dop carried interest annealed copper wire and insulating bar, wherein said three spiral dops connect three described annealed copper wires respectively, article three, the other end of described annealed copper wire accumulates a bus by remittance line device, the other end of described bus connects described direct insertion dop, and described insulating bar is the most separately positioned.
And, described spiral dop includes transverse screw, connects mother, ground connection yoke plate, locknut and tap wire nose, and described transverse screw one end coaxial threaded connects afterburning nut；The other end at described transverse screw is coaxially fixed with described connection mother, and the other end of this connection mother is the most built-in offers earth stud screw thread groove；Described locknut coaxial threaded is connected between described afterburning nut and described connection mother, described ground connection yoke plate coaxially it is connected with between this locknut with the described mother of connection, the lower end of this ground connection yoke plate screw that vertical spacing is arranged successively by two connects the installation end of described tap wire nose, and the other end of this tap wire nose connects described annealed copper wire.
And, between the installation end and described screw of described tap wire nose, it is provided with spring washer；It is perpendicular to described transverse screw at described afterburning nut outer surfaces and is coated with pin.
And, described direct insertion dop includes U-shaped plate, longitudinal screw and total Wiring nose, described U-shaped plate upper plate vertically installs described longitudinal screw, it is fixed with moving jaw in one end of this longitudinal screw, the lower end of this moving jaw is between upper plate and the lower shoe of described U-shaped plate, being fixed with described total Wiring nose by screw on the straight vertical arm of angle of described U-shaped plate, the other end of this total Wiring nose connects described bus.
And, described insulating bar is made up of mobile jib and handle, and described handle is vertically threaded onto on described mobile jib, is coaxially arranged with built-in big socket wrench end and built-in small casing spanner end respectively at the two ends of described mobile jib.
Advantage of the present utility model and having the beneficial effect that
If 1, this utility model is made up of three spiral dops, a direct insertion dop carried interest annealed copper wire and insulating bar, take on fire nut with what three spiral dops were screwed in air switch ABC three-phase end opening in switch cubicle by action bars just that additionally arrange, on the zero phase busbar that direct insertion dop is stuck in switch cubicle, realize the reliable feud of low pressure, prevent anti-power transmission, without the most in succession, it is ensured that maintenance accuracy, improve work efficiency.
2, the transverse screw threaded one end in the spiral dop of this utility model connects afterburning nut, one end is fixedly mounted with connection mother, realize connecting female linkage by rotating afterburning nut, locknut is set simultaneously, ground connection yoke plate is controlled by regulation locknut, increase the contact surface of earth wire clip, make connection the most firm and controlled, big electric current by time be not result in putting arc short circuit or electric power causes dop to fly off.
3, the U-shaped plate framework simple in construction of the direct insertion dop of this utility model, solid firm, it is easy to the insertion of ground wire port during use, and longitudinal screw and moving jaw adjusting elasticity can be passed through, keep the stability during earth lead, improve maintenance safety, convenient and swift, simple to operate efficiently.
4, the big spanner of insulating bar set of the present utility model and small wrench are in one, easy to use, can prevent from getting an electric shock and flash burn.
5, this utility model is reasonable in design, simple to operate, dop design is small and exquisite, not only solve low-tension switch cabinet small space middle voltage bus bar row and be difficult to the problem that envelope is hung, avoid owing to low-voltage cabinet outlet is intensive, spacing is little, easily touch the problem that electrical body causes short circuit to threaten staff's life security by mistake, the most also provide, for service work personnel, device of connecting wires easily, without work is repeated several times, reduce cost, convenient and swift, time-consuming, improve work efficiency, guarantee maintenance safety, be suitable to vigorously promote the use in power industry.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is spiral dop close-up schematic view in Fig. 1；
Fig. 3 is direct insertion dop close-up schematic view in Fig. 1；
Fig. 4 is insulating bar close-up schematic view in Fig. 1.
Detailed description of the invention
Below by specific embodiment, the utility model is described in further detail, and following example are illustrative, is not determinate, it is impossible to limits protection domain of the present utility model with this.
A kind of New Low Voltage grounding wire device, if as it is shown in figure 1, being made up of 1, direct insertion dop 3 carried interest annealed copper wire 2 of three spiral dops and insulating bar 5.Wherein said three spiral dops connect the described annealed copper wire of three 3 meters long respectively, article three, the other end of described annealed copper wire accumulates a bus by remittance line device 4, the other end of described bus connects described direct insertion dop, described insulating bar is the most separately positioned, is used for mounting and dismounting earth lead.
As shown in Figure 2, described spiral dop includes transverse screw 10, connects mother 7, ground connection yoke plate 8, locknut 9 and tap wire nose 15, described transverse screw one end coaxial threaded connects afterburning nut 11, is perpendicular to described transverse screw at this reinforcing nut outer surfaces and is coated with pin 12；The other end at described transverse screw is coaxially fixed with described connection mother, and the other end of this connection mother is the most built-in offers earth stud screw thread groove 6；Described locknut coaxial threaded is connected between described afterburning nut and described connection mother, described ground connection yoke plate coaxially it is connected with between this locknut with the described mother of connection, the lower end of this ground connection yoke plate screw 13 that vertical spacing is arranged successively by two connects the installation end of described tap wire nose, the other end of this tap wire nose connects described annealed copper wire, is provided with spring washer 14 between the installation end and described screw of described tap wire nose.
As shown in Figure 3, described direct insertion dop includes U-shaped plate 16, longitudinal screw 17 and total Wiring nose 19, described U-shaped plate upper plate vertically installs described longitudinal screw, it is fixed with moving jaw 18 in one end of this longitudinal screw, the lower end of this moving jaw is between upper plate and the lower shoe of described U-shaped plate, being fixed with described total Wiring nose by screw on the straight vertical arm of angle of described U-shaped plate, the other end of this total Wiring nose connects described bus.
As shown in Figure 4, described insulating bar is made up of mobile jib 21 and handle 22, and described handle is vertically threaded onto on described mobile jib, is coaxially arranged with built-in big socket wrench end 20 and built-in small casing spanner end 23 respectively at the two ends of described mobile jib.
Described afterburning female M10, is connected female coaxial linkage with described；Described pin φ 3 × 18, is used for fastening afterburning female and transverse screw；Described locknut M14, is used for tightening or loosening ground connection yoke plate；Described ground connection yoke plate 74 × 24 × 8；Female M12 × the φ 30 × 62 of described connection；Described spring washer φ 8, is used for fastening screw；Described tap wire nose and total Wiring nose area are 25mm2, described annealed copper wire sectional area is not less than 25mm2。
Described spiral dop and direct insertion dop material are mainly cast iron, and ground connection yoke plate material is aluminum, and insulating bar material is insulating glass steel matter.
Operation principle of the present utility model:
In actual feud operates, with action bars, spiral dop is screwed in the taking on fire nut of air switch ABC three-phase end opening in switch cubicle, on the zero phase busbar being stuck in switch cubicle by direct insertion dop, it is achieved the reliable feud of low pressure, prevents anti-power transmission.Concrete operations are as follows:
During tipping ground wire: first pass through tap wire nose by 25mm2Multiply annealed copper wire is connected with earth wire clip fastening.Then unclamping locknut with insulating bar big socket wrench end, ground connection yoke plate naturally droops, it is to avoid ground connection yoke plate moves with being connected mother；Afterburning female with the operation of insulating bar small casing spanner end again, drive connection is female, earth stud screw thread groove is screwed in and fastened the screw thread end intending earth stud；Afterwards locknut is screwed ground connection yoke plate by big for insulating bar socket wrench end, make cable fix；Finally direct insertion dop is accessed in low-voltage switch box zero-emission, it is achieved reliable ground.
When pulling down ground wire: first unclamp locknut, ground wire connecting plate is made to loosen；It is inserted in insulating bar afterburning female to anticlockwise again, unloads spiral dop.
Aforesaid operations and application enterprise are by GB/T19001, ISO9001 Quality Management System Certification.The safety operation regulation of " electric power safety rule of operation " and portable type ground connection and ground short circuit line during operation, should be strictly observed.
Claims (5)
1. a New Low Voltage grounding wire device, it is characterized in that: if being made up of three spiral dops, a direct insertion dop carried interest annealed copper wire and insulating bar, wherein said three spiral dops connect three described annealed copper wires respectively, article three, the other end of described annealed copper wire accumulates a bus by remittance line device, the other end of described bus connects described direct insertion dop, and described insulating bar is the most separately positioned.
A kind of New Low Voltage grounding wire device the most according to claim 1, it is characterised in that: described spiral dop includes transverse screw, connects mother, ground connection yoke plate, locknut and tap wire nose, and described transverse screw one end coaxial threaded connects afterburning nut；The other end at described transverse screw is coaxially fixed with described connection mother, and the other end of this connection mother is the most built-in offers earth stud screw thread groove；Described locknut coaxial threaded is connected between described afterburning nut and described connection mother, described ground connection yoke plate coaxially it is connected with between this locknut with the described mother of connection, the lower end of this ground connection yoke plate screw that vertical spacing is arranged successively by two connects the installation end of described tap wire nose, and the other end of this tap wire nose connects described annealed copper wire.
A kind of New Low Voltage grounding wire device the most according to claim 2, it is characterised in that: between the installation end and described screw of described tap wire nose, it is provided with spring washer；It is perpendicular to described transverse screw at described afterburning nut outer surfaces and is coated with pin.
A kind of New Low Voltage grounding wire device the most according to claim 1, it is characterized in that: described direct insertion dop includes U-shaped plate, longitudinal screw and total Wiring nose, described U-shaped plate upper plate vertically installs described longitudinal screw, it is fixed with moving jaw in one end of this longitudinal screw, the lower end of this moving jaw is between upper plate and the lower shoe of described U-shaped plate, being fixed with described total Wiring nose by screw on the straight vertical arm of angle of described U-shaped plate, the other end of this total Wiring nose connects described bus.
A kind of New Low Voltage grounding wire device the most according to claim 1, it is characterized in that: described insulating bar is made up of mobile jib and handle, described handle is vertically threaded onto on described mobile jib, is coaxially arranged with built-in big socket wrench end and built-in small casing spanner end respectively at the two ends of described mobile jib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193999.0U CN205429192U (en) | 2016-03-11 | 2016-03-11 | Novel low pressure earth connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193999.0U CN205429192U (en) | 2016-03-11 | 2016-03-11 | Novel low pressure earth connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205429192U true CN205429192U (en) | 2016-08-03 |
Family
ID=56545525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620193999.0U Active CN205429192U (en) | 2016-03-11 | 2016-03-11 | Novel low pressure earth connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205429192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397913A (en) * | 2020-09-23 | 2021-02-23 | 贵州电网有限责任公司 | Novel close looks formula combination earth connection device |
| CN114421350A (en) * | 2022-03-09 | 2022-04-29 | 广东吉熙安电缆附件有限公司 | Grounding device for medium-voltage C-GIS switch cabinet and use method thereof |
-
2016
- 2016-03-11 CN CN201620193999.0U patent/CN205429192U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397913A (en) * | 2020-09-23 | 2021-02-23 | 贵州电网有限责任公司 | Novel close looks formula combination earth connection device |
| CN114421350A (en) * | 2022-03-09 | 2022-04-29 | 广东吉熙安电缆附件有限公司 | Grounding device for medium-voltage C-GIS switch cabinet and use method thereof |
| CN114421350B (en) * | 2022-03-09 | 2022-12-23 | 广东吉熙安电缆附件有限公司 | Grounding device for medium-voltage C-GIS switch cabinet and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |