CN202817565U - Electric power equipment overhaul test grounding mechanical locking device - Google Patents
Electric power equipment overhaul test grounding mechanical locking device Download PDFInfo
- Publication number
- CN202817565U CN202817565U CN 201220453956 CN201220453956U CN202817565U CN 202817565 U CN202817565 U CN 202817565U CN 201220453956 CN201220453956 CN 201220453956 CN 201220453956 U CN201220453956 U CN 201220453956U CN 202817565 U CN202817565 U CN 202817565U
- Authority
- CN
- China
- Prior art keywords
- electric power
- grounding
- connection
- threaded rod
- locking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 238000002474 experimental method Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
An electric power equipment overhaul test grounding mechanical locking device mainly consists of a grounding bearing welded on a grounding flat iron of a power substation and a grounding wire connection body connected with an overhaul test grounding wire; wherein one end of the grounding wire connection body is at least provided with one screw hole for configuring a hexagonal compressing screw, the other end of the grounding wire connection body is a threaded rod provided with a lockhole at a top thereof, a wing locking nut is matched on the threaded rod; and an upper portion of the grounding bearing is provided with a connecting hole through which the threaded rod can directly or indirectly pass and can be fixed. The electric power equipment overhaul test grounding mechanical locking device of the utility model has the advantages of reasonable and ordered connecting mechanisms, simple structure for mechanical portions, convenient and fast operation. The electric power equipment overhaul test grounding mechanical locking device is well suitable for the field of electric power system overhaul test, and greatly raises safety, reliability and accuracy for a test result during the electric power system overhaul test.
Description
Technical field
The utility model relates to a kind of electric power apparatus examination test ground connection mechanical locking device, belongs to power equipment Work tool field.
Background technology
Along with the development of electrical network, the renewal of equipment, the innovation of the maintenance mode that the iterative method of intelligent grid, on-line monitoring brings, variation has all occured in checking experiment environment and requirement, and traditional checking experiment ground connection has not met the test requirements document of current transformer station.All be to adopt the totally enclosed type switch cart such as existing 10 kilovolts, 35 KV switch cabinets, earthing bar is positioned at the switch cubicle back, the earth connection that needs connects very long, and not in visual line of sight, be not inconsistent with the requirement of " earth connection should be lacked as much as possible; the wiring situation should be obviously as seen " in " electric power safety working regulation ", do not reach controlled to checking experiment ground connection, in control, controlled principle.When adopt concentrating maintenance, can connect without earth point reliably at pilot region.In addition, the charging tests such as cable fault inspection, lightning arrester resistance resistance test are more and more general, and reliably ground connection is the requisite measure of the protection person and device security, assurance in process of the test.But present earthing mode does not have blocking function, may occur bad owing to earth connection contact or be torn open by mistake the person and device security occurring endangering, affect test data correctness etc. and may endanger the situation generation that power grid security is produced.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned existence, and provides a kind of electric power apparatus examination rational in infrastructure, practical and convenient, that reliability is high to test the ground connection mechanical locking device.
The utility model is achieved by the following technical solution: the earth connection that it mainly is connected with the checking experiment earth connection by the ground connection bearing that is welded on the substation ground band iron connects body and forms, the end that described earth connection connects body is provided with a screw that disposes the hexagonal housing pin at least, the other end is the threaded rod of top band lockhole, and an ingot locking nut is matched on the described threaded rod; Described ground connection bearing top is provided with one and directly or indirectly passes and fixable connecting hole for threaded rod.
The end that described earth connection connects body be provided with two that arrange vertically, dispose the screw of hexagonal housing pin respectively; The connecting hole that described ground connection bearing top arranges disposes a fixing copper adapter sleeve, after the threaded rod of described earth connection connection body passes described copper adapter sleeve, the one end abuts against on the bulge loop at earth connection connection body middle part, and the other end is screwed by the ingot locking nut.
Each bindiny mechanism's rational and orderly described in the utility model, mechanical part is simple in structure, convenient to operation, it can be applicable to electric power system checking experiment field preferably, the accuracy of fail safe, reliability and result of the test when greatly having improved the electric power system checking experiment; Has rational in infrastructure, practical and convenient, reliability high.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is that the utility model earth connection connects the body construction schematic diagram.
Fig. 3 is the utility model ground connection seat structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: shown in Figure 1, the earth connection that the utility model mainly is connected with the checking experiment earth connection by the ground connection bearing 4 that is welded on electric substation's switch-cabinet grounding band iron connects body 3 and forms.
Shown in Figure 2, the end that described earth connection connects body 3 is provided with a screw 1 that disposes the hexagonal housing pin at least, and the other end is that threaded rod 2, the one ingot locking nuts 5 of top band lockhole 7 are matched on the described threaded rod 2; Described ground connection bearing 4 tops are provided with one and directly or indirectly pass and fixable connecting hole 9 for threaded rod 2, as shown in Figure 3, Figure 1 shows that the indirect embodiment that supplies threaded rod 2 to pass.
Shown in Figure 1, the end that described earth connection connects body 3 be provided with two that arrange vertically, dispose the screw 1 of hexagonal housing pin respectively; The connecting hole 9 that described ground connection bearing 4 tops arrange disposes a fixing copper adapter sleeve 6, after the threaded rod 2 of described earth connection connection body 3 passes described copper adapter sleeve 6, the one end abuts against on the bulge loop 10 at earth connection connection body 3 middle parts, and the other end is screwed by ingot locking nut 5.
Embodiment:
Schematic diagram for this electric power apparatus examination test ground connection mechanical locking device ground connection bearing 4 shown in Figure 3, this ground connection bearing 4 is welded by two iron plates up and down, and between the weld seam without bubble.The iron plate of bottom is welded on the substation ground band iron.
The schematic diagram for this electric power apparatus examination test ground connection mechanical locking device earth connection connection body 3 that Fig. 2 provides, it is large than the both sides diameter that this earth connection connects body 3 middle parts, is convenient to earth connection and connects the fixing of body and ground connection bearing.Two interior hexagonal housing pins that earth connection connects the body left side are used for electric power apparatus examination test earth connection is connected body with earth connection connection.The mechanical latching lockhole 7 that earth connection connects the body right-hand member is used for carrying additionally mechanical lock.
When working without inspection earthing, be welded in and hang the mechanical lock pinning on the ground connection bearing top circular hole on the substation ground band iron; When needing checking experiment ground connection, take off the mechanical lock of hanging on the ground connection bearing circular hole, the earth connection that will be connected with the checking experiment earth connection connects the body threaded rod and passes ground connection bearing circular hole, with the ingot locking nut itself and ground connection bearing are fixed, and will before the mechanical lock that take off hang over the mechanical lockhole place that earth connection connects body threaded rod top and pin, thereby realize the mechanical latching of checking experiment ground connection.
It is brass that described earth connection connects bulk material, and the surface is without burr;
Described earth connection connects body one end two interior hexagonal housing pins;
The end that described earth connection connects body is threaded rod;
The top that described earth connection connects threaded rod on the body is provided with a mechanical latching lockhole;
Described earth connection connects to overlap on this threaded rod an ingot locking nut, and material is brass;
Described earth connection connection body middle part diameter is large than both sides;
It is 45# that described ground connection is propped up seat material, and weld seam is without bubble, plating zinc on surface;
The top of described ground connection bearing is provided with a circular hole;
The circular hole place is provided with a brass adapter sleeve on the described ground connection bearing;
The diameter of circular hole connects the diameter of body threaded rod on the described ground connection bearing greater than earth connection.
Claims (2)
1. an electric power apparatus examination is tested the ground connection mechanical locking device, the earth connection that it mainly is connected with the checking experiment earth connection by the ground connection bearing that is welded on the substation ground band iron connects body and forms, it is characterized in that an end of described earth connection connection body is provided with the screw of a configuration hexagonal housing pin at least, the other end is the threaded rod of top band lockhole, and an ingot locking nut is matched on the described threaded rod; Described ground connection bearing top is provided with one and directly or indirectly passes and fixable connecting hole for threaded rod.
2. electric power apparatus examination according to claim 1 test ground connection mechanical locking device, it is characterized in that a end that described earth connection connects body be provided with two that arrange vertically, dispose the screw of hexagonal housing pin respectively; The connecting hole that described ground connection bearing top arranges disposes a fixing copper adapter sleeve, after the threaded rod of described earth connection connection body passes described copper adapter sleeve, the one end abuts against on the bulge loop at earth connection connection body middle part, and the other end is screwed by the ingot locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453956 CN202817565U (en) | 2012-09-07 | 2012-09-07 | Electric power equipment overhaul test grounding mechanical locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453956 CN202817565U (en) | 2012-09-07 | 2012-09-07 | Electric power equipment overhaul test grounding mechanical locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202817565U true CN202817565U (en) | 2013-03-20 |
Family
ID=47876383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220453956 Expired - Lifetime CN202817565U (en) | 2012-09-07 | 2012-09-07 | Electric power equipment overhaul test grounding mechanical locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202817565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832554A (en) * | 2012-09-07 | 2012-12-19 | 嘉兴电力局 | Overhaul test grounding mechanical interlocking device of power device |
-
2012
- 2012-09-07 CN CN 201220453956 patent/CN202817565U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832554A (en) * | 2012-09-07 | 2012-12-19 | 嘉兴电力局 | Overhaul test grounding mechanical interlocking device of power device |
| CN102832554B (en) * | 2012-09-07 | 2015-10-28 | 嘉兴电力局 | A kind of electric power apparatus examination test ground connection mechanical locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |