CN205826800U - A kind of line-to-ground line selection apparatus - Google Patents
A kind of line-to-ground line selection apparatus Download PDFInfo
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- CN205826800U CN205826800U CN201620743961.6U CN201620743961U CN205826800U CN 205826800 U CN205826800 U CN 205826800U CN 201620743961 U CN201620743961 U CN 201620743961U CN 205826800 U CN205826800 U CN 205826800U
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- arranges
- block
- hook
- retaining rod
- active retaining
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- 238000009413 insulation Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model discloses a kind of line-to-ground line selection apparatus, described include insulated handle and ground terminal, described insulated handle arranges insulating bar, described insulating bar arranges contact and ground resistance measuring instrument, described ground resistance measuring instrument is connected with ground terminal by earth lead, described contact includes hook, storage wire casing is set in described hook, on described hook, active retaining rod is set, on described active retaining rod, cross bar is set, described cross bar one end is connected with active retaining rod, the other end arranges slide block, second chute is set on described insulated handle and insulating bar, the top of described second chute arranges the first block, second block is set on described active retaining rod, described first block, first spring is set between the second block, described insulated handle arranges take-up reel, connection rope is set on described take-up reel.The beneficial effects of the utility model are: highly sensitive, route selection is accurate, accurately identify earth conductor cable, increase work efficiency, improve the safety of electrical network.
Description
Technical field
This utility model relates generally to Power System Faults Detection field, specifically a kind of line-to-ground line selection apparatus.
Background technology
In China's power system, earth fault often occurs due to substation bus bar, in order to ensure the safety of power supply,
Needing to detect the faulty line of ground connection when circuit generation earth fault, the Main Means taked at present is examination bracing wire road, adopts
By the method for the electric wire pulling two buss lines one by one, investigating faulty line, not only the electricity consumption to electric power system and user causes shadow
Ring, be unfavorable for normal power supply, and investigation is lost time one by one, reduce work efficiency, increase the workload of attendant.
Utility model content
For solving deficiency of the prior art, this utility model provides a kind of line-to-ground line selection apparatus, highly sensitive, choosing
Line is accurate, accurately identifies earth conductor cable, increases work efficiency, improves the safety of electrical network.
This utility model for achieving the above object, is achieved through the following technical solutions:
A kind of line-to-ground line selection apparatus, including insulated handle and ground terminal, the top of described insulated handle is arranged absolutely
Edge bar, the top of described insulating bar arranges contact and ground resistance measuring instrument, described ground resistance measuring instrument by earth lead with
Ground terminal connects, and described contact includes hook, and described hook is connected with ground resistance measuring instrument, arranges storage line in described hook
Groove, described hook is vertically arranged active retaining rod, and one end of described active retaining rod abuts with hook, and the other end slides with insulating bar
Connecting, described active retaining rod arranges cross bar, described cross bar one end is connected with active retaining rod, and the other end arranges slide block, described cunning
Block is slidably connected with hook, described hook arranges the first chute adapted with slide block, on described insulated handle and insulating bar
Arranging the second chute matched with active retaining rod, the top of described second chute arranges the first block, on described active retaining rod
The second block that first block matches is set, the first spring, described first bullet are set between described first block, the second block
Spring is set on active retaining rod, and the bottom of described insulated handle arranges take-up reel, and described take-up reel arranges connection rope, described company
Splicing is connected through the second chute with active retaining rod.
Described hook is positioned at the left and right sides, top of cross bar and is respectively provided with support seat, described support seat arranges limited block, institute
Stating limited block and be slidably connected with supporting seat, described limited block arranges curved end, on described limited block away from the one end supporting seat
Arranging the second spring, one end of described second spring is connected with supporting seat, and the other end is connected with limited block.
The bottom of described hook arranges base, and described base by thread removably connects with insulating bar.
The top of described active retaining rod arranges the groove matched with hook, is linked up with the convex of setting and fit depressions
Block.
The described one end away from take-up reel of restricting that connects arranges fixed block, described active retaining rod is arranged and matches with fixed block
The 3rd chute.
Described insulating bar is expansion link, and described take-up reel arranges self-locking device.
Contrast and prior art, this utility model has the beneficial effects that:
1, this utility model ground resistance measuring instrument can effectively detect whether circuit exists earth point, positioning both ground line
Road, accurately identifies earth conductor cable, serves good application effect for investigation line fault, increases work efficiency, improves electrical network
Safety.
2, arranging limited block on this utility model hook, the space between two limited blocks is less than the diameter of electric wire, effectively
Prevent electric wire in work process from breaking off relations.
3, this utility model base by thread removably connects with insulating bar, is convenient for changing, keeps in repair hook.
4, the top of this utility model active retaining rod arranges the groove matched with hook, and active block stop closes completely with hook
Close, prevent further in work process owing to strong wind or other reasons cause electric wire to break off relations.
5, this utility model connection rope arranges fixed block away from one end of take-up reel, is convenient for changing connection rope, increases this reality
With the novel use time.
6, on this utility model take-up reel, self-locking device is set, conveniently pulls connection rope to control active block stop and move up and down also
And preferably adapt to the length change of insulating bar.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is enlarged drawing at the I of accompanying drawing 1；
Accompanying drawing 3 is enlarged drawing at the II of accompanying drawing 1.
Label shown in accompanying drawing: 1, insulated handle；2, insulating bar；3, ground resistance measuring instrument；4, earth lead；5, earth terminal
Son；6, hook；61, storage wire casing；62, seat is supported；63, limited block；64, the second spring；65, base；66, projection；7, active catch
Bar；71, cross bar；72, slide block；73, the second chute；74, the first block；75, the second block；76, the first spring；8, take-up reel；
81, rope is connected；82, fixed block.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be understood that these embodiments are only used for
This utility model is described rather than limits scope of the present utility model.In addition, it is to be understood that reading this utility model instruction
Content after, this utility model can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall equally
In the application appended claims limited range.
A kind of line-to-ground line selection apparatus, including insulated handle 1 and ground terminal 5, the top of described insulated handle 1 is arranged
Insulating bar 2, the top of described insulating bar 2 arranges contact, ground resistance measuring instrument 3, and described ground resistance measuring instrument 3 passes through ground connection
Line 4 is connected with ground terminal 5, can be wrapped on insulating bar 2 by earth lead 4 after being measured, and described contact includes linking up with 6,
Described hook 6 is connected with ground resistance measuring instrument 3, arranges storage wire casing 61, described hook 6 is vertically arranged work in described hook 6
Dynamic pin, one end of described active retaining rod 7 abuts with hook 6, and the other end is slidably connected with insulating bar 2, on described active retaining rod 7
Arranging cross bar 71, one end of described cross bar 71 is connected with active retaining rod 7, and the other end arranges slide block 72, described slide block 72 and hook
6 are slidably connected, and described hook 6 arranges the first chute adapted with slide block 72, described insulated handle 1 and insulating bar 2 set
Putting the second chute 73 matched with active retaining rod 7, active retaining rod 7 moves downward the storage that electric wire is inserted in hook 6 along insulating bar 2
Measuring wire resistance in wire casing 61, cross bar 71 is used for preventing electric wire from breaking off relations, and slide block 72 prevents cross bar 71 from rotating along hook 6 cannot be right
Electric wire carries out spacing.Described second chute 73 runs through insulating bar 2 and insulated handle 1, and the top of described second chute 73 is arranged
First block 74, the second block 75 that on described active retaining rod 7, setting matches with the first block 74, described first block 74,
Arranging the first spring 76 between second block 75, described first spring 76 is set on active retaining rod 7, at the work of the first spring 76
Abut with hook 6 in the case of there is no other external force with lower active retaining rod 7, cooperatively form closed space with hook 6, prevent electricity
Line breaks off relations.The bottom of described insulated handle 1 arranges take-up reel 8, and described take-up reel 8 arranges connection rope 81, described connection rope 81
It is connected through the second chute 73 with active retaining rod 7.First ground terminal 5 is connected with earth point during test, it is ensured that detector ground connection
Well, then pull connection rope 81 to make active retaining rod 7 move downward, electric wire be linked in hook 6, open ground resistance measuring instrument 3,
By contacting of stub and test line, check the resistance of ground resistance measuring instrument 3, if resistance is sufficiently large, show tested
Circuit there is no ground connection, otherwise be ground path, sensitivity is high, route selection accurate, and will not impact network system and destroy,
When substation bus bar generation grounding phenomenon, it is possible to directly judge any bar line-to-ground, need not try to draw each outlet again, increase work
Make efficiency, improve the safety of electrical network.
In order to effectively prevent electric wire in work process from breaking off relations, described hook 6 correspondence is positioned at the left and right sides above cross bar 71
It is respectively provided with support seat 62, described support seat 62 arranges limited block 63, between two limited blocks 63, is smaller than the straight of electric wire
Footpath, described limited block 63 is slidably connected with supporting seat 62, and described limited block 63 arranges curved end away from the one end supporting seat 62,
Arranging the second spring 64 on described limited block 63, one end of described second spring 64 is connected with supporting seat 62, and the other end is with spacing
Block 63 connects.
Changing for convenience, keep in repair hook 6, the bottom of described hook 6 arranges base 65, described base 65 by screw thread with
Insulating bar 2 removably connects.
In order to prevent owing to strong wind or other reasons cause electric wire to break off relations in work process further, described active retaining rod 7
Top arrange and the grooves that match of hook 6, linked up with setting and the projection 66 of fit depressions on 6, make active retaining rod 7 block
Enter in hook 6.
Changing for convenience and connect rope 81, increase the use time of the present utility model, described connection rope 81 is away from take-up reel 8
One end fixed block 82 is set, described active retaining rod 7 arranges the 3rd chute that matches with fixed block 82.
Pull connection rope 81 control active block stops to move up and down for convenience and preferably adapt to the length change of insulating bar 2
Changing, described insulating bar 2 is expansion link, and described take-up reel 8 arranges self-locking device, according to the length of insulating bar 2, opens self-locking dress
Put adjustment connection rope 81 and stretch out the length of take-up reel 8, need to lock take-up reel 8 during drop-down active retaining rod 7.
Embodiment:
A kind of line-to-ground line selection apparatus, including insulated handle 1 and ground terminal 5, the top of described insulated handle 1 is arranged
Insulating bar 2, described insulating bar 2 is expansion link, and the top of described insulating bar 2 arranges contact, ground resistance measuring instrument 3, described in connect
Earth resistance measuring instrument 3 is connected with ground terminal 5 by earth lead 4, and described contact includes linking up with 6, described hook 6 and earth resistance
Measuring instrument 3 connects, and the bottom of described hook 6 arranges base 65, and described base 65 is removably connected with insulating bar 2 by screw thread.
Storage wire casing 61 is set in described hook 6, described hook 6 is vertically arranged active retaining rod, one end of described active retaining rod 7 and hook
6 abut, and the other end is slidably connected with insulating bar 2, and the top of described active retaining rod 7 arranges the groove matched with hook 6, is hung
Projection 66 with fit depressions is set on hook 6.Cross bar 71, one end of described cross bar 71 and work are set on described active retaining rod 7
Dynamic pin 7 connects, and the other end arranges slide block 72, and described slide block 72 is slidably connected with hook 6, and described hook 6 is arranged and slide block
72 the first chutes adapted, described insulated handle 1 and insulating bar 2 arrange the second chute matched with active retaining rod 7
73, described hook 6 is positioned at the left and right sides, top of cross bar 71 and is respectively provided with support seat 62, and described support seat 62 arranges limited block
63, described limited block 63 is slidably connected with supporting seat 62, and described limited block 63 arranges curved end away from the one end supporting seat 62,
Arranging the second spring 64 on described limited block 63, one end of described second spring 64 is connected with supporting seat 62, and the other end is with spacing
Block 63 connects.Active retaining rod 7 moves downward along insulating bar 2 in electric wire is inserted in the storage wire casing 61 of hook 6 and measures wire resistance, horizontal
Bar 71 is used for preventing electric wire from breaking off relations, and slide block 72 prevents cross bar 71 from cannot carry out spacing to electric wire along hook 6 rotation.Described second is sliding
Groove 73 runs through insulating bar 2 and insulated handle 1, and the top of described second chute 73 arranges the first block 74, described active retaining rod 7
The second block 75 that upper setting matches with the first block 74, arranges the first bullet between described first block the 74, second block 75
Spring 76, described first spring 76 is set on active retaining rod 7, and under the effect of the first spring 76, active retaining rod 7 is not having other
Abut with hook 6 in the case of external force, cooperatively form closed space with hook 6, prevent electric wire from breaking off relations.Described insulated handle 1
Bottom arranges take-up reel 8, and described take-up reel 8 arranges self-locking device, states and arranges connection rope 81 on take-up reel 8, restricts described connection
81 arrange fixed block 82 away from one end of take-up reel 8, and described active retaining rod 7 arranges the 3rd cunning matched with fixed block 82
Groove.Having the beneficial effects that of the present embodiment: arrange limited block 63 on hook 6, the space between two limited blocks is less than electric wire
Diameter, effectively prevents electric wire in work process from breaking off relations；Seat is removably connected with insulating bar 2 by screw thread, is convenient for changing, keeps in repair extension
Hook 6；The top of dynamic lever arranges the groove matched with hook 6, and active block stop is of completely closed with hook 6, prevents work further
Electric wire is caused to break off relations due to strong wind or other reasons during work.
Claims (6)
1. a line-to-ground line selection apparatus, including insulated handle (1) and ground terminal (5), it is characterised in that: described insulation hands
The top of handle (1) arranges insulating bar (2), and the top of described insulating bar (2) arranges contact and ground resistance measuring instrument (3), described
Ground resistance measuring instrument (3) is connected with ground terminal (5) by earth lead (4), and described contact includes linking up with (6), described hook
(6) being connected with ground resistance measuring instrument (3), arrange storage wire casing (61) in described hook (6), described hook is vertically arranged on (6)
Active retaining rod (7), one end of described active retaining rod (7) abuts with hook (6), and the other end is slidably connected with insulating bar (2), described
Arranging cross bar (71) on active retaining rod (7), described cross bar (71) one end is connected with active retaining rod (7), and the other end arranges slide block
(72), described slide block (72) is slidably connected with hook (6), and it is sliding that described hook (6) above arranges first adapted with slide block (72)
Groove, described insulated handle (1) and insulating bar (2) above arrange the second chute (73) matched with active retaining rod (7), and described second
The top of chute (73) arranges the first block (74), and described active retaining rod (7) is upper arranges the matched with the first block (74)
Two blocks (75), arrange the first spring (76), described first spring (76) between described first block (74), the second block (75)
Being set on active retaining rod (7), the bottom of described insulated handle (1) arranges take-up reel (8), the company of setting on described take-up reel (8)
Splicing (81), the described rope (81) that connects is connected through the second chute (73) with active retaining rod (7).
A kind of line-to-ground line selection apparatus the most according to claim 1, it is characterised in that: described hook (6) correspondence is positioned at
The left and right sides of cross bar (71) top is respectively provided with support seat (62), and described support seat (62) arranges limited block (63), described limit
Position block (63) is slidably connected with supporting seat (62), and described limited block (63) arranges curved end away from the one end supporting seat (62),
Arranging the second spring (64) on described limited block (63), one end of described second spring (64) is connected with supporting seat (62), another
End is connected with limited block (63).
A kind of line-to-ground line selection apparatus the most according to claim 1, it is characterised in that: the bottom of described hook (6) sets
Bottom set seat (65), described base (65) is removably connected with insulating bar (2) by screw thread.
A kind of line-to-ground line selection apparatus the most according to claim 1, it is characterised in that: the top of described active retaining rod (7)
End arranges the groove matched with hook (6), is linked up with (6) upper projection (66) arranged with fit depressions.
A kind of line-to-ground line selection apparatus the most according to claim 1, it is characterised in that: the described rope (81) that connects is away from receipts
One end of drum (8) arranges fixed block (82), and it is sliding that described active retaining rod (7) above arranges the 3rd matched with fixed block (82)
Groove.
A kind of line-to-ground line selection apparatus the most according to claim 1, it is characterised in that: described insulating bar (2) is flexible
Bar, described take-up reel arranges self-locking device on (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620743961.6U CN205826800U (en) | 2016-07-14 | 2016-07-14 | A kind of line-to-ground line selection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620743961.6U CN205826800U (en) | 2016-07-14 | 2016-07-14 | A kind of line-to-ground line selection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826800U true CN205826800U (en) | 2016-12-21 |
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ID=57563246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620743961.6U Expired - Fee Related CN205826800U (en) | 2016-07-14 | 2016-07-14 | A kind of line-to-ground line selection apparatus |
Country Status (1)
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|---|---|
| CN (1) | CN205826800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627735A (en) * | 2018-07-26 | 2018-10-09 | 浙江德辉电力安装工程有限公司 | A kind of fast accurate searches the method and detection device of Single-phase Ground Connection Failure |
| CN114114073A (en) * | 2021-11-25 | 2022-03-01 | 国网四川省电力公司达州供电公司 | Grounding wire device for power grid maintenance and grounding condition monitoring method thereof |
-
2016
- 2016-07-14 CN CN201620743961.6U patent/CN205826800U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627735A (en) * | 2018-07-26 | 2018-10-09 | 浙江德辉电力安装工程有限公司 | A kind of fast accurate searches the method and detection device of Single-phase Ground Connection Failure |
| CN114114073A (en) * | 2021-11-25 | 2022-03-01 | 国网四川省电力公司达州供电公司 | Grounding wire device for power grid maintenance and grounding condition monitoring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20170714 |
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| CF01 | Termination of patent right due to non-payment of annual fee |