CN207301122U - A kind of testing wire clamp and complexes for relay protection small bus transition - Google Patents
A kind of testing wire clamp and complexes for relay protection small bus transition Download PDFInfo
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- CN207301122U CN207301122U CN201721215600.5U CN201721215600U CN207301122U CN 207301122 U CN207301122 U CN 207301122U CN 201721215600 U CN201721215600 U CN 201721215600U CN 207301122 U CN207301122 U CN 207301122U
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- transition
- relay protection
- wire clamp
- small bus
- metal sleeve
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 14
- 230000014759 maintenance of location Effects 0.000 claims description 11
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 5
- 244000152100 Sorbus torminalis Species 0.000 claims description 5
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- 238000013461 design Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of testing wire clamp and complexes for relay protection small bus transition; testing wire clamp includes metal sleeve and metallic rod; compression spring is equipped between metallic rod and metal sleeve; the outer wall of metal sleeve is equipped with socket; in metal sleeve and one end is inserted in the middle part of metallic rod and is equipped with insulated handle equipped with two engagement arms, the other end; torque spring is equipped between two engagement arms and root is connected by axis pin with metallic rod; the outer wall of metal sleeve and socket is equipped with insulation sleeve, and the end of insulation sleeve is resisted against on rear side of engagement arm；Complexes include at least one set of transition connection unit, and transition connection unit includes transition wire and two afore-mentioned test wire clamps.The utility model can realize the fast transition of small voltage bus, be obviously shortened small bus transition the time required to, greatly facilitate site examining and repairing work, shorten the service work time, improve small bus transition efficiency, it is light carry, security risk it is low.
Description
Technical field
It the utility model is related to field of relay protection in power, and in particular to one kind is used for relay protection small bus transition
Testing wire clamp and complexes.
Background technology
Substation（Power plant）Protection with voltage be to push up small busbar mode by shielding and be transferred to each protective device, and institute
It is to interconnect that the screen for having protection screen cabinet, which pushes up small busbar, when needing replacing a wherein face protection screen cabinet, it is necessary to Jiang Pingding
Small voltage bus transition, here it is the very crux of the utility model research.Have during traditional in the past small voltage bus transition with
Under several difficult points：1st, work difficulty is big during protection voltage small bus transition, in work notice must high concentration, one is small
The heart be easy to cause voltage short circuit or ground connection, causes all protective device decompressions of substation, causes the malfunction of relay protection, consequence
It is extremely serious.2nd, small voltage bus transitional operation project is more, time-consuming.The small busbar of transition needs to lay secondary cable, by cable
Both sides are splitted, and number marking tube is covered to line, and last secondary cable both sides need special messenger to access the small busbar in screen top, work after carefully confirming again
Content is more and time-consuming.3rd, still need special messenger when small busbar recovers and remove secondary cable jointly in cable both sides.Service personnel was once
Accounting was carried out, a 220kV track replacements protection, need to remove and replace two sides protection screen cabinet, about 5 days durations, but such as
Fruit needs small voltage bus transition, then duration needs 6.5~7 days, increase by 40% or so workload（Here also without considering this protection
Shield extremely small busbar mode of the cabinet for all protection voltage sources）.
Utility model content
The technical problems to be solved in the utility model：Relay protection small bus transition is always the complexity that works in secondary specialty
And the work that risk factor is very high, and those skilled in the art's management and control in person is generally required during transition, time-consuming, pervious small mother
Line transition method --- process is cumbersome, step is more, voltage circuit short circuit or ground connection, the kind based on above-mentioned small bus transition easily occurs
Kind unfavorable factor, for the above problem of the prior art, the utility model offer is a kind of can to realize the quick of small voltage bus
Transition, the time required to being obviously shortened small bus transition, greatly facilitate site examining and repairing work, shorten the service work time, carry
High small bus transition efficiency, it is light carry, security risk is low for relay protection small bus transition testing wire clamp and
Complexes.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
On the one hand, the utility model provides a kind of testing wire clamp for relay protection small bus transition, including metallic sheath
Pipe and metallic rod, are equipped with compression spring between the metallic rod and metal sleeve, the outer wall of the metal sleeve is equipped with socket,
In metal sleeve and one end is inserted in the middle part of the metallic rod and is equipped with insulated handle equipped with two engagement arms, the other end, it is described
Torque spring is equipped between two engagement arms and root is connected by axis pin with metallic rod, the outer wall of the metal sleeve and socket
Insulation sleeve is equipped with, and the end of insulation sleeve is resisted against on rear side of the engagement arm.
Preferably, the clamping face of described two engagement arms is equipped with the clamping tooth being mutually twisted.
Preferably, it is described compression spring pocket be arranged on on metal sleeve, and described metal sleeve one end contradict in socket
Root, the other end are contradicted on the insulated handle of metallic rod.
Preferably, the front end of the insulation sleeve is equipped with flexible accommodating cavity, rear end is equipped with spring retention chamber, described two occlusions
The root of arm is arranged in the flexible accommodating cavity, and the compression spring is arranged in spring retention intracavitary.
Preferably, the insulated handle is equipped with pedestal, and the insulated handle is connected by pedestal with metallic rod, described to sting
The end for closing pedestal when arm opens is inserted in spring retention chamber.
Preferably, the end of the metallic rod is equipped with the thread segment screw thread company of thread segment, the pedestal and metal rod ends
Connect.
Preferably, the middle part of the insulation sleeve is equipped with the first Handheld Division for extending radially arrangement.
Preferably, the end of the insulated handle is equipped with the second Handheld Division for extending radially arrangement.
Preferably, the front side of first Handheld Division is equipped with anti-skid chequer, and the rear end of second Handheld Division is equipped with anti-skid chequer.
On the other hand, the utility model also provides a kind of complexes for relay protection small bus transition, including extremely
Few one group of transition connection unit, the transition connection unit includes transition wire and two are previously used for relay protection small bus transition
Testing wire clamp, the both ends of the transition wire are equipped with plug, and the plug at the transition wire both ends is respectively used for relay with one
The socket of the testing wire clamp of small bus transition is protected to be connected.
The testing wire clamp tool that the utility model is used for relay protection small bus transition has the advantage that：
1st, the utility model can realize the fast transition of small voltage bus, be obviously shortened small bus transition required time,
Site examining and repairing work is greatly facilitated, the service work time is shortened, improves small bus transition efficiency, it is light to carry, pacify
Full blast is nearly low.
2nd, the utility model includes metal sleeve and metallic rod, and the outer wall of metal sleeve is equipped with socket, is using socket
It can quickly be connected with transition wire, have the advantages that joint efficiency is high.
3rd, compression spring is equipped between the utility model metallic rod and metal sleeve, metallic sheath is inserted in the middle part of metallic rod
In pipe and one end is equipped with two engagement arms, the other end is equipped with insulated handle, and torque spring and root are equipped between two engagement arms
It is connected by axis pin with metallic rod, by said structure, realizes the long torque design of Transition wire clip, can effectively ensure that occlusion
Dynamics, while longer structure design is also suitable the double-deck small busbar of protection screen cabinet, can be true by the elastic force for compressing spring
It is firm to protect two engagement arm occlusions, will not fall off at the scene in actual transition, ensure safety completion maintenance transitional operation.
4th, the outer wall of the metal sleeve of the utility model testing wire clamp and socket is equipped with insulation sleeve, special whole insulating
Design, metal part whole insulated enclosure, prevents voltage circuit short circuit or grounding phenomenon, ensures the security of maintenance.
The complexes that the utility model is used for relay protection small bus transition are used for relay protection including the utility model
The testing wire clamp of small bus transition, including transition wire and two testing wire clamps for being previously used for relay protection small bus transition, lead to
Cross socket of the plug at the both ends of transition wire respectively with a testing wire clamp for being used for relay protection small bus transition to be connected, Neng Goushi
The fast transition of existing small voltage bus, equally also there is the utility model to be used for the testing wire clamp of relay protection small bus transition
Aforementioned advantages.
Brief description of the drawings
Fig. 1 is the broken section structure diagram of the utility model embodiment.
Fig. 2 is the schematic cross-sectional view of the utility model embodiment engagement arm clamped condition.
Fig. 3 is the schematic cross-sectional view of the utility model embodiment engagement arm open configuration.
Marginal data：1st, metal sleeve；11st, socket；2nd, metallic rod；21st, engagement arm；211st, clamping tooth；22nd, insulate hand
Handle；221st, pedestal；222nd, the second Handheld Division；23rd, torque spring；3rd, spring is compressed；4th, insulation sleeve；41st, stretch accommodating cavity；42、
Spring retention chamber；43rd, the first Handheld Division.
Embodiment
As depicted in figs. 1 and 2, the present embodiment includes metal sleeve 1 for the testing wire clamp of relay protection small bus transition
With metallic rod 2, compression spring 3 is equipped between metallic rod 2 and metal sleeve 1, the outer wall of metal sleeve 1 is equipped with socket 11, gold
The middle part of category bar 2 is inserted in metal sleeve 1 and one end is equipped with two engagement arms 21, the other end is equipped with insulated handle 22, two
Torque spring 23 is equipped between engagement arm 21 and root is connected by axis pin with metallic rod 2, the outer wall of metal sleeve 1 and socket 11
Insulation sleeve 4 is equipped with, and the rear side of engagement arm 21 is resisted against the end of insulation sleeve 4.The testing wire clamp of the present embodiment passes through socket
11 can be achieved to be connected with the transition wire of relay protection small bus transition, and the clamping operation principle of testing wire clamp is as follows：Initial
Under state, due to compressing the thrust of spring 3, metallic rod 2 is inside contracted to insulation sleeve 4, therefore two engagement arms 21 are due to being subject to
The squeezing action of insulation sleeve 4 and the torsion that overcomes torque spring 23 is in closure state, as shown in Figure 2.Needing in use, hand-held
Insulation sleeve 4 presses insulated handle 22 so that metallic rod 2 is overhang to insulation sleeve 4, and compression spring 3 is compressed such that stroke shortens,
Opened between two engagement arms 21 equipped with torque spring 23 due to being no longer influenced by the squeezing action of insulation sleeve 4, as shown in Figure 3；
At this time, such as screen is pushed up small busbar and is placed between the opening of two engagement arms 21 and unclamp insulated handle 22 again, you can recover initial shape
State, and it is in closure state that two engagement arms 21, which overcome the torsion of torque spring 23 due to the squeezing action for being subject to insulation sleeve 4, from
And screen is pushed up into small busbar occlusion and is clamped.The testing wire clamp of the present embodiment is carried with light, and both sides wire clamp insulate, i.e., dress is
With the characteristics of, can conveniently carry out the transition of small voltage bus, small voltage bus transition can be obviously shortened and taken
Between, site examining and repairing work is greatly facilitated, shortens maintenance duration, improves small bus transition efficiency, reduces manpower, material resources and financial resources
Expenditure, can substantially reduce security risk during small voltage bus transition, when significantly improving transition cable both sides personnel operate
Inconsistent to cause to protect voltage short circuit or grounding phenomenon, it is horizontal to improve power system security stable operation, have it is light carry,
The advantages of security risk is low.
In the present embodiment, the clamping face of two engagement arms 21 is equipped with the clamping tooth 211 being mutually twisted, by being mutually twisted
Clamping tooth 211 can improve snap-in force between two engagement arms 21, and improve the contact reliability of testing wire clamp.
In the present embodiment, engagement arm 21 ensures two during transition using electric conductivity, the alloy material of satisfactory mechanical property
Minor loop current-carrying capacity is needed and will not deformed.
In the present embodiment, compression spring 3 be sheathed on on metal sleeve 1, and 1 one end of metal sleeve contradict in socket 11
Root, the other end are contradicted on the insulated handle 22 of metallic rod 2, and can be overcome by said structure is needing larger snap-in force
When, the problem of being easily distorted since compression 3 stress of spring is larger, it can be ensured that the big snap-in force stability of spring 3.
In the present embodiment, the front end of insulation sleeve 4 is equipped with the accommodating cavity 41 that stretches, rear end is equipped with spring retention chamber 42, and two are stung
The root for closing arm 21 is arranged in flexible accommodating cavity 41, and compression spring 3 is arranged in spring retention chamber 42, real by said structure
Metal part whole insulated enclosure is showed, can realize and all standing formula parcel for compressing spring 3 and two engagement arms 21 are wrapped
Wrap up in, prevent voltage circuit short circuit or grounding phenomenon, ensure the security of maintenance.
In the present embodiment, insulated handle 22 is equipped with pedestal 221, and insulated handle 22 passes through pedestal 221 and 2 phase of metallic rod
Even, the end of pedestal 221 is inserted in spring retention chamber 42 when engagement arm 21 is opened, and passes through said structure, it can be ensured that no matter
Two engagement arms 21 are being opened still in closure state, may ensure that 42 internal structure of spring retention chamber is stopped by pedestal 221,
So as to effectively improve insulated enclosure performance, security is more preferable.
In the present embodiment, the end of metallic rod 2 is equipped with thread segment, and the thread segment screw thread of 2 end of pedestal 221 and metallic rod connects
Connect, the structure firm and reliable connection is quick and easy for installation, and is conveniently replaceable insulated handle 22.
In the present embodiment, the middle part of insulation sleeve 4 is equipped with the first Handheld Division 43 for extending radially arrangement, presses insulated handle
First Handheld Division 43 can play fixed effect when 22, and operation is more convenient.
In the present embodiment, the end of insulated handle 22 is equipped with the second Handheld Division 222 for extending radially arrangement, pressing insulation
Operations area is big during handle 22, and the first Handheld Division 43 is used cooperatively more convenient and quicker.
In the present embodiment, the front side of the first Handheld Division 43 is equipped with anti-skid chequer, and the rear end of the second Handheld Division 222 is equipped with anti-skidding
Line, by said structure can realize the first Handheld Division 43, the second Handheld Division 222 it is anti-skidding, operation it is more effortless and reliable.
The complexes for relay protection small bus transition of the present embodiment include multigroup transition connection unit, and transition connects
The first testing wire clamp that relay protection small bus transition is previously used for including transition wire and two the present embodiment of order, the two of transition wire
End is equipped with plug, and each socket with a testing wire clamp for being used for relay protection small bus transition of the plug at transition wire both ends
11 are connected.The complexes for relay protection small bus transition of the present embodiment can conveniently and efficiently complete small busbar mistake
Cross, and test wire is separate by the different voltage of color different instructions, the test wire has 10 cores in the present embodiment, meets normal double
The transition of all voltage cored wires of the 220kV or 110kV voltage class of female wiring needs（A630、B630、C630、L630、
A640、B640、C640、L640、N600）.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. testing wire clamp for relay protection small bus transition, it is characterised in that：Including metal sleeve（1）And metallic rod （2）, the metallic rod（2）And metal sleeve（1）Between be equipped with compression spring（3）, the metal sleeve（1）Outer wall be equipped with Socket（11）, the metallic rod（2）Middle part be inserted in metal sleeve（1）In and one end be equipped with two engagement arms（21）, it is another End is equipped with insulated handle（22）, described two engagement arms（21）Between be equipped with torque spring（23）And root passes through axis pin and metal Bar（2）It is connected, the metal sleeve（1）And socket（11）Outer wall be equipped with insulation sleeve（4）, and the engagement arm（21）After Side is resisted against insulation sleeve（4）End.
- 2. the testing wire clamp according to claim 1 for relay protection small bus transition, it is characterised in that：It is described two Engagement arm（21）Clamping face be equipped with the clamping tooth that is mutually twisted（211）.
- 3. the testing wire clamp according to claim 1 for relay protection small bus transition, it is characterised in that：The compression Spring（3）It is sheathed on and metal sleeve（1）On, and the metal sleeve（1）One end is contradicted in socket（11）Root, the other end Contradict in metallic rod（2）Insulated handle（22）On.
- 4. the testing wire clamp according to claim 1 for relay protection small bus transition, it is characterised in that：The insulation Set（4）Front end be equipped with flexible accommodating cavity（41）, rear end be equipped with spring retention chamber（42）, described two engagement arms（21）Root It is arranged in the flexible accommodating cavity（41）In, the compression spring（3）It is arranged in spring retention chamber（42）It is interior.
- 5. the testing wire clamp according to claim 4 for relay protection small bus transition, it is characterised in that：The insulation Handle（22）It is equipped with pedestal（221）, the insulated handle（22）Pass through pedestal（221）With metallic rod（2）It is connected, the occlusion Arm（21）Pedestal during opening（221）End be inserted in spring retention chamber（42）In.
- 6. the testing wire clamp according to claim 5 for relay protection small bus transition, it is characterised in that：The metal Bar（2）End be equipped with thread segment, the pedestal（221）And metallic rod（2）The thread segment of end is threadedly coupled.
- 7. the testing wire clamp according to claim 1 for relay protection small bus transition, it is characterised in that：The insulation Set（4）Middle part be equipped with and extend radially the first Handheld Division of arrangement（43）.
- 8. the testing wire clamp according to claim 7 for relay protection small bus transition, it is characterised in that：The insulation Handle（22）End be equipped with and extend radially the second Handheld Division of arrangement（222）.
- 9. the testing wire clamp according to claim 8 for relay protection small bus transition, it is characterised in that：Described first Handheld Division（43）Front side be equipped with anti-skid chequer, second Handheld Division（222）Rear end be equipped with anti-skid chequer.
- A kind of 10. complexes for relay protection small bus transition, it is characterised in that：Connected including at least one set of transition single Member, the transition connection unit include being used for the small mother of relay protection described in any one in transition wire and two claims 1~9 The testing wire clamp of line transition, the both ends of the transition wire are equipped with plug, and the plug at the transition wire both ends respectively with a use In the socket of the testing wire clamp of relay protection small bus transition（11）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215600.5U CN207301122U (en) | 2017-09-21 | 2017-09-21 | A kind of testing wire clamp and complexes for relay protection small bus transition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721215600.5U CN207301122U (en) | 2017-09-21 | 2017-09-21 | A kind of testing wire clamp and complexes for relay protection small bus transition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207301122U true CN207301122U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721215600.5U Active CN207301122U (en) | 2017-09-21 | 2017-09-21 | A kind of testing wire clamp and complexes for relay protection small bus transition |
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| CN (1) | CN207301122U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589280A (en) * | 2017-09-21 | 2018-01-16 | 国网湖南省电力公司 | A kind of testing wire clamp and complexes for relay protection small bus transition |
-
2017
- 2017-09-21 CN CN201721215600.5U patent/CN207301122U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589280A (en) * | 2017-09-21 | 2018-01-16 | 国网湖南省电力公司 | A kind of testing wire clamp and complexes for relay protection small bus transition |
| CN107589280B (en) * | 2017-09-21 | 2024-06-11 | 国网湖南省电力公司 | Test wire clamp and complete device for relay protection small bus transition |
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