CN207150032U - One kind ground wire burn-out proof device - Google Patents
One kind ground wire burn-out proof device Download PDFInfo
- Publication number
- CN207150032U CN207150032U CN201721208234.0U CN201721208234U CN207150032U CN 207150032 U CN207150032 U CN 207150032U CN 201721208234 U CN201721208234 U CN 201721208234U CN 207150032 U CN207150032 U CN 207150032U
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- CN
- China
- Prior art keywords
- shell body
- line busbar
- ground wire
- contact bar
- resistance device
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Abstract
The utility model discloses one kind to be grounded burn-out proof device, include incoming-line busbar, outgoing line busbar, shell body, contact bar and trimmable resistance device, wherein, incoming-line busbar is arranged on one end of shell body, outgoing line busbar is arranged on the other end of shell body, trimmable resistance device is arranged in shell body and the both ends of trimmable resistance device are connected with incoming-line busbar and outgoing line busbar respectively, contact bar one end is stretched into shell body and trimmable resistance device and is slidably matched with trimmable resistance device, and the contact bar other end stretches out shell body.Ground wire burn-out proof device of the present utility model can effectively suppress to flow through the induced-current of ground wire, protect high-tension bus-bar, prevent ground wire from being sustained damage in itself with electric wire, strengthen Earthing Reliability, reduce operation danger, save human cost.
Description
Technical field
A kind of line maintenance safety work utensil is the utility model is related to, particularly relates to a kind of ground wire burn-out proof
Device.
Background technology
During the upkeep operation of transmission line of electricity, because of the presence of electromagnetic induction phenomenon, can exist in stoppage in transit circuit compared with
Big induced voltage and induced-current, in order to prevent induced electricity and caused by circuit and equipment fault and crisis upkeep operation people
The generation of the problems such as personal safety of member, it is necessary to which circuit and equipment to Awaiting Overhaul carry out hanging earthing conductor processing.Due to induced electricity
Stream is generally larger, when mounting ground wire, it may appear that arcing is discharged, and so as to the phenomenon for causing wire to burn, therefore, extremely having must
Faradic ground wire burn-out proof device can be suppressed to avoid such line facility failure and personal safety by designing one kind
The generation of problem.
Utility model content
The purpose of this utility model is to provide a kind of ground wire burn-out proof device, to solve transmitting electricity in background technology
During the upkeep operation of circuit, because of problem caused by induced-current.
To achieve the above object, the technical scheme that the utility model is taken is：One kind ground wire burn-out proof device, is included into
Line busbar, outgoing line busbar, shell body, contact bar and trimmable resistance device, the incoming-line busbar are arranged on the one of the shell body
End, the outgoing line busbar are arranged on the other end of the shell body, the trimmable resistance device be arranged in the shell body and
The both ends of the trimmable resistance device are connected with the incoming-line busbar and outgoing line busbar respectively, and described contact bar one end is stretched into described
It is slidably matched in shell body and trimmable resistance device and with the trimmable resistance device, the contact bar other end stretches out described outer
Housing.
In above-mentioned technical proposal, on the contact bar and it is additionally provided with one on the end outside the shell body and hangs
Ring.
In above-mentioned technical proposal, the shell body includes an insulation crust and an insulation plug, is opened on the insulation plug
Provided with a round tube hole that the contact bar can be allowed to pass through and a rectangular through-hole that the outgoing line busbar can be allowed to pass through.
In above-mentioned technical proposal, there are some resistance dividing plates along the axial spaced set of the trimmable resistance device, every
A round tube hole that the contact bar can be allowed to pass freely through is provided with the middle part of the individual resistance dividing plate, in each round tube hole
Inside it is additionally provided with a contact flat spring；
Wherein, the resistance dividing plate positioned at the trimmable resistance device tail end is connected with the incoming-line busbar, positioned at it is described can
The resistance dividing plate of mode resistor front end is connected with the outgoing line busbar.
In above-mentioned technical proposal, the contact bar stretches out one end of shell body and the outgoing line busbar is located at the same side.
In above-mentioned technical proposal, a strip circular hole is further opened with the contact bar, is also set on the outgoing line busbar
Projection is equipped with, the projection is stretched into the strip circular hole, and the projection is used to play guiding and position-limiting action, in practical application
In, it is mainly used in docking feeler lever and mobile guide is played in the shell body of ground wire burn-out proof device and prevents that contacting bar is drawn out
The effect of shell body.
Operation principle of the present utility model is as follows：
Before use, the outgoing line busbar of ground wire burn-out proof device of the present utility model first is passed through into a piece-root grafting ground wire and iron
Tower is connected, and the incoming-line busbar for being grounded burn-out proof device is being connected with a suspension clamp by a piece-root grafting ground wire, is then being passed through
The contact bar for being grounded burn-out proof device is connected by a piece silk rope with steel tower, then by another silk rope by suspension clamp and
Steel tower connects；
When in use, first pass through and pull silk rope that the contact bar for being grounded burn-out proof device is moved into outermost so that connect
The resistance value of the trimmable resistance device of ground wire burn-out proof device is in maximum, then suspension clamp is articulated to the wire of Awaiting Overhaul
On, due to the barrier effect of the resistance of trimmable resistance device so that when overhauling circuit because stopping transport, caused induced electricity on circuit
Flow through when ground wire flows through the wire to suspension clamp and Awaiting Overhaul and be effectively suppressed, and then avoid high voltage line maintenance
When because induced-current is excessive and caused by arcing electric discharge phenomena；Then by pulling the dynamic ground wire burn-out proof device of silk rope band
Contact bar gradually moves vertically, is gradually reduced its resistance value, and then discharge the remaining induced-current in circuit；
After remanent induction electric current is completely released, you can start the upkeep operation of circuit.
Compared with prior art, the advantages of the utility model and beneficial effect is：
(1) when carrying out wired earth using ground wire burn-out proof device of the present utility model, can effectively suppress to flow through
The induced-current of ground wire, so as to protect high-tension bus-bar and prevent ground wire to be sustained damage in itself with electric wire；
(2) ground wire burn-out proof device of the present utility model not only increases the reliability of wired earth, while also reduces
Maintainer carries out danger during upkeep operation；
(3) when carrying out wired earth using ground wire burn-out proof device of the present utility model, it is grounded good straight once mounting
Before being removed to next time, it may not be necessary to send someone it is in good time go to check whether ground wire mounts well to scene, effectively save manpower
The input of cost.
Brief description of the drawings
Fig. 1 is ground wire burn-out proof apparatus structure schematic diagram one of the present utility model；
Fig. 2 is ground wire burn-out proof apparatus structure schematic diagram two of the present utility model；
Fig. 3 is enlarged diagram at the M in Fig. 2；
Fig. 4 is enlarged diagram at the N in Fig. 2；
Fig. 5 is the upward view based on Fig. 1；
Fig. 6 is the A-A sectional views based on Fig. 5；
Fig. 7 is that concrete application of the present utility model implements schematic diagram；
In figure：1st, incoming-line busbar；2nd, outgoing line busbar；3rd, shell body；3-1, insulation crust；3-2, insulation plug；4th, contact
Bar；5th, suspension ring；6th, trimmable resistance device；6-1, resistance dividing plate；7th, contact flat spring；100th, steel tower；200th, the first ground wire；300、
First silk rope；400th, it is grounded burn-out proof device；500th, the second silk rope；600th, the first ground wire；700th, suspension clamp；
800th, the wire of Awaiting Overhaul；900th, maintainer.
Embodiment
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to the drawings and specific embodiments, it is expanded on further how the utility model is implemented.
As Fig. 1 and Fig. 2, a kind of ground wire burn-out proof device provided by the utility model are female comprising incoming-line busbar 1, outlet
Row 2, shell body 3, contact bar 4 and trimmable resistance device 6, incoming-line busbar 1 are arranged on one end of shell body 3, and outgoing line busbar 2 is set
In the other end of shell body 3, trimmable resistance device 6 is arranged in shell body 3 and the both ends of trimmable resistance device 6 are respectively with entering
Line busbar 1 and outgoing line busbar 2 connect, and contact bar 4 one end is stretched into shell body 3 and trimmable resistance device 6 and and trimmable resistance
Device 6 is slidably matched, and contact bar 4 other end stretches out shell body 3.
A suspension ring 5 are additionally provided with contact bar 4 and on the end outside shell body 3, suspension ring 5 pass through with contacting bar 4
Threaded connection is fixed.
As shown in Fig. 2 shell body 3 includes the insulation plug 3-2 of an insulation crust 3-1 and one, opened up on insulation plug 3-2
There are a round tube hole that contact bar 4 can be allowed to pass through and a rectangular through-hole that outgoing line busbar 2 can be allowed to pass through.
As shown in Figure 2 and Figure 6, there are five resistance dividing plate 6-1, such as Fig. 3 along the axial spaced set of trimmable resistance device 6
It is shown, a round tube hole 6-1a that contact bar 4 can be allowed to pass freely through is provided with the middle part of each resistance dividing plate 6-1, each
A contact flat spring 7 is additionally provided with round tube hole 6-1a；
Wherein, as shown in Figure 2 and Figure 6, the resistance dividing plate 6-1 positioned at the tail end of trimmable resistance device 6 connects with incoming-line busbar 1
Connect, the resistance dividing plate 6-1 positioned at the front end of trimmable resistance device 6 is connected with outgoing line busbar 2.
As shown in figure 1, contact bar 4 stretches out one end of shell body 3 and outgoing line busbar 2 is located at the same side.
Good guiding is played to prevent contact bar 4 to be drawn out shell body 1 and docking movement of the feeler lever 4 in shell body 1
Effect, as shown in Figure 4 and Figure 5, a strip circular hole 4a is offered on contact bar 4, as shown in Figure 4 and Figure 6, in outgoing line busbar 2
On be provided with raised 2a, raised 2a is stretched into strip circular hole 4a, is so contacted during bar 4 moves, raised 2a can
Good position-limiting action is played, and strip circular hole 4a just serves good guide effect.
In actual applications, as shown in fig. 7, the outgoing line busbar of ground wire burn-out proof device 400 passes through the first ground wire 200
It is connected with steel tower 100, the incoming-line busbar of ground wire burn-out proof device 400 is connected by the second ground wire 600 with suspension clamp 700
Connect, suspension clamp 700 is connected by the second silk rope 500 with steel tower 100, and the contact bar of ground wire burn-out proof device 400 passes through
First silk rope 300 is connected with steel tower 100；
Before the second ground wire 600 is hung, the station of maintainer 900 is on steel tower 100, by pulling the first silk rope 300 first
The contact bar for being grounded burn-out proof device 400 is moved into outermost, the trimmable resistance being now grounded on burn-out proof device 400
Device is in resistance maximum；
When the trimmable resistance device being grounded on burn-out proof device 400 is in resistance maximum, now again by suspension line
Folder 700 is articulated on the wire 800 of Awaiting Overhaul, due to the resistance of trimmable resistance device on ground wire burn-out proof device 400
Barrier effect so that during because of stoppage in transit examination and repair for high-pressure circuit, caused induced-current is effectively reduced on high-tension line so that
The induced-current for flowing through the wire 800 to suspension clamp 700 and Awaiting Overhaul through the second ground wire 600 is effectively suppressed, from
And avoid because line influence electric current is excessive and caused by circuit arcing electric discharge phenomena；
Then the first silk rope 300 is gradually pulled to drive the contact for being grounded burn-out proof device 400 by maintainer 900 again
Bar gradually moves vertically, is gradually reduced the resistance value of ground wire burn-out proof device 400, and then discharges remaining sense in circuit
Induced current, after remanent induction electric current is released, you can start the upkeep operation of circuit.
Finally illustrate, the foregoing is only embodiment of the present utility model, not thereby limit patent of the present utility model
Scope, every equivalent structure made using the utility model specification and accompanying drawing content or equivalent flow conversion, or directly or
Other related technical areas are used in indirectly, are similarly included in scope of patent protection of the present utility model.
Claims (6)
1. one kind ground wire burn-out proof device, it is characterised in that：Comprising incoming-line busbar (1), outgoing line busbar (2), shell body (3),
Contact bar (4) and trimmable resistance device (6), the incoming-line busbar (1) are arranged on one end of the shell body (3), the outlet
Busbar (2) is arranged on the other end of the shell body (3), the trimmable resistance device (6) is arranged in the shell body (3),
And the both ends of the trimmable resistance device (6) are connected with the incoming-line busbar (1) and outgoing line busbar (2) respectively, the contact bar
(4) one end is stretched into the shell body (3) and trimmable resistance device (6) and is slidably matched with the trimmable resistance device (6), institute
State contact bar (4) other end and stretch out the shell body (3).
2. ground wire burn-out proof device according to claim 1, it is characterised in that：On the contact bar (4) and it is located at
The shell body (3) is additionally provided with a suspension ring (5) on end outside.
3. ground wire burn-out proof device according to claim 1, it is characterised in that：The shell body (3) includes an insulation
Shell (3-1) and an insulation plug (3-2), offering one on insulation plug (3-2) can allow the contact bar (4) to pass through
Round tube hole and one can allow the rectangular through-hole that the outgoing line busbar (2) passes through.
4. ground wire burn-out proof device according to claim 1, it is characterised in that：Along the trimmable resistance device (6)
Axial spaced set has some resistance dividing plates (6-1), and being provided with one in the middle part of each resistance dividing plate (6-1) can allow
The round tube hole (6-1a) that the contact bar (4) passes freely through, a contact bullet is additionally provided with each round tube hole (6-1a)
Piece (7)；
Wherein, the resistance dividing plate (6-1) positioned at trimmable resistance device (6) tail end is connected with the incoming-line busbar (1), is located at
The resistance dividing plate (6-1) of trimmable resistance device (6) front end is connected with the outgoing line busbar (2).
5. ground wire burn-out proof device according to claim 1, it is characterised in that：The contact bar (4) stretches out shell body
(3) one end is located at the same side with the outgoing line busbar (2).
6. ground wire burn-out proof device according to claim 1, it is characterised in that：Also opened up on the contact bar (4)
There is a strip circular hole (4a), be additionally provided with the outgoing line busbar (2) raised (2a), the projection (2a) stretches into the strip
In circular hole (4a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721208234.0U CN207150032U (en) | 2017-09-15 | 2017-09-15 | One kind ground wire burn-out proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721208234.0U CN207150032U (en) | 2017-09-15 | 2017-09-15 | One kind ground wire burn-out proof device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150032U true CN207150032U (en) | 2018-03-27 |
Family
ID=61668226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721208234.0U Active CN207150032U (en) | 2017-09-15 | 2017-09-15 | One kind ground wire burn-out proof device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207150032U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321720A (en) * | 2018-01-30 | 2018-07-24 | 中国电力科学研究院有限公司 | A kind of device and method for preventing earth lead from burning |
| CN112003036A (en) * | 2020-07-01 | 2020-11-27 | 中国电力科学研究院有限公司 | Resistance type arc extinction grounding device and grounding method |
-
2017
- 2017-09-15 CN CN201721208234.0U patent/CN207150032U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321720A (en) * | 2018-01-30 | 2018-07-24 | 中国电力科学研究院有限公司 | A kind of device and method for preventing earth lead from burning |
| CN112003036A (en) * | 2020-07-01 | 2020-11-27 | 中国电力科学研究院有限公司 | Resistance type arc extinction grounding device and grounding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200831 Address after: 430000 room 2, floor 2, building A8, Rongke Zhigu industrial project phase I, No. 555, Wenhua Avenue, Hongshan District, Wuhan City, Hubei Province Co-patentee after: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Patentee after: WUHAN LISHIDA POWER TECHNOLOGY Co.,Ltd. Address before: 430000 Hubei Province, Wuhan city Jiangxia District Optics Valley road canglongdao Lianxiang business center building 202 room H Patentee before: WUHAN LISHIDA POWER TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |