CN207703900U - Down conductor continuity test jointing clamp - Google Patents
Down conductor continuity test jointing clamp Download PDFInfo
- Publication number
- CN207703900U CN207703900U CN201721807964.2U CN201721807964U CN207703900U CN 207703900 U CN207703900 U CN 207703900U CN 201721807964 U CN201721807964 U CN 201721807964U CN 207703900 U CN207703900 U CN 207703900U
- Authority
- CN
- China
- Prior art keywords
- caliper
- contact
- caliper body
- clip tooth
- down conductor
- 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.)
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Links
- 239000004020 conductor Substances 0.000 title claims abstract description 31
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 31
- 229910052742 iron Inorganic materials 0.000 abstract description 15
- 239000003973 paint Substances 0.000 abstract description 7
- 238000010409 ironing Methods 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 37
- 238000001514 detection method Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses down conductor continuity test jointing clamps, including left caliper and right caliper body, the middle part of left caliper and the middle part of right caliper body are hinged, the front end of the left caliper is equipped with the left contact for stretching out left caliper, the left contact be strip, the left contact towards the face of right caliper body be plane;The front end of the right caliper body is equipped with the right contact for stretching out right caliper body, and the right contact is also strip, and the right contact is equipped with the first clip tooth towards the face of left caliper;The length of the right contact is more than the length of left contact.The utility model has the advantages that:Left contact and right contact are set, it can easily extend between band iron and isometrical bar, and band iron is clamped by left contact and right contact and realizes Quick-clamped, the first clip tooth is provided on right contact simultaneously, can quickly worn out flat ironing surface insulated paint, realize good conductive contact, and left contact is plane and short, is inserted into narrower gap.
Description
Technical field
The utility model is related to down conductor continuity test jointing clamps.
Background technology
The down conductor of electrical equipment and grounded screen be reliably connected be equipment safety operation basic guarantee.Grounding lead
Offline continuity test refers to the D.C. resistance measured in an earthed system between each down conductor, judges its electrical connection
Property, which is the important reference that technical staff evaluates earthed system state, and carries out the important of repair based on condition of component work
Link.
But in the course of work for carrying out down conductor continuity test, we also encounter some difficulties.Substation
Interior down conductor is usually band iron, and isometrical bar is close at the band iron back side, and front is coated with the insulated paint of " yellowish green " mark, and is connected
The mating jointing clamp of tester producer is power utility testing clamp, and this jointing clamp is due to reasons in structure, it is difficult to stretch into the band iron back of the body
Face is well contacted with it, also can not the worn out positive insulated paint of band iron form effective contact, it is also necessary to coordinate file to use.It is this
The presence of situation makes operating personnel need to make repeated attempts could complete test, greatly affected down conductor continuity test
Working efficiency, due to continuity test normalized current be 10A, if poor contact is also easy to produce electric arc, may burn operating personnel, because
There is also certain security risks for this.
Utility model content
The purpose of this utility model is to provide down conductor continuity test jointing clamps, can effectively solve the problem that existing connect
The problem of line tweezer quickly can not well be contacted with the band iron of down conductor.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:Down conductor is led
Logical test jointing clamp, including left caliper and right caliper body, the middle part of left caliper and the middle part of right caliper body are hinged, the left side
The front end of caliper is equipped with the left contact for stretching out left caliper, and the left contact is strip, and the left contact is towards the face of right caliper body
For plane;
The front end of the right caliper body is equipped with the right contact for stretching out right caliper body, and the right contact is also strip, described right tactile
Head is equipped with the first clip tooth towards the face of left caliper;
The length of the right contact is more than the length of left contact.
Preferably, the front of the right caliper body is equipped with right fixture block towards the end face of left caliper, and the right fixture block is equipped with the
Two clip tooths, second clip tooth are connected and in the same plane with the first clip tooth;The front of the left caliper is towards right caliper body
End face be equipped with left fixture block, the left fixture block is equipped with third clip tooth, and the third clip tooth is mutually twisted with the second clip tooth.
Preferably, the right groove to right caliper body indent is provided in the middle part of the right fixture block, on the inner wall of the right groove
Equipped with the second clip tooth;It is provided with the left groove to left caliper indent in the middle part of the left fixture block, is also set on the inner wall of the left groove
There are third clip tooth, the left groove and right groove to form an annular.
Preferably, the length that the left contact stretches out left caliper is 15mm, wide 8mm, thick 1.5mm.
Preferably, the length that the right contact stretches out right caliper body is 50mm, wide 8mm, thick 5mm.
Preferably, the rear portion of the left caliper and the rear portion of right caliper body are surrounded by insulating layer.
Preferably, the front of the left caliper and the front of right caliper body are connected with binding post.
Preferably, the middle part of the left caliper and the middle part of right caliper body are rotatablely connected by axis pin, are cased on the axis pin
Allow the front of left caliper and the front torsional spring in clamped condition of right caliper body.
Compared with prior art, the utility model has the advantages that:Left contact and right contact are set, it may be convenient to extend into
Between band iron and isometrical bar, and band iron is clamped by left contact and right contact and realizes Quick-clamped, while is arranged on right contact
First clip tooth, can quick worn out flat ironing surface insulated paint, realize good conductive contact, and left contact be plane and
It is short, it is inserted into narrower gap.
The front of the right caliper body is equipped with right fixture block towards the end face of left caliper, and the right fixture block is equipped with the second clip tooth,
Second clip tooth is connected and in the same plane with the first clip tooth;The end face of the front of the left caliper towards right caliper body is set
There are left fixture block, the left fixture block to be equipped with third clip tooth, the third clip tooth is mutually twisted with the second clip tooth;It is grounded with common
, can be by left fixture block and right fixture block clamping ground downlead when downlead is connected, and it is designed with clip tooth on two fixture blocks, then
It is not easy to loosen after clamping, keeps good contact, prevent electric arc.
It is provided with the right groove to right caliper body indent in the middle part of the right fixture block, second also is provided on the inner wall of the right groove
Clip tooth;It is provided with the left groove to left caliper indent in the middle part of the left fixture block, third folder also is provided on the inner wall of the left groove
Tooth, the left groove and right groove form an annular;The annular of formation is convenient for clamping under round or similar columnar grounding lead
Line, and it is designed with clip tooth in two grooves, also for the next good contact of retaining clip, prevent jointing clamp and grounding lead
It is offline to loosen.
The length that the left contact stretches out left caliper is 15mm, wide 8mm, thick 1.5mm;The left contact of this size is thinner more
It is short, band iron is conveniently inserted into isometrical bar by space more closely.
The length that the right contact stretches out right caliper body is 50mm, wide 8mm, thick 5mm;The right contact of this size can be enough
Intensity and ensure that there are enough contact surfaces with band iron convenient for setting clip tooth.
The rear portion of the left caliper and the rear portion of right caliper body are surrounded by insulating layer;Protect the safety of operator.
The front of the left caliper and the front of right caliper body are connected with binding post;Convenient to be connected with detection device, setting exists
Caliper front will not influence operation caliper.
The middle part of the left caliper and the middle part of right caliper body are rotatablely connected by axis pin, are cased on the axis pin and are allowed left caliper
Front and right caliper body front torsional spring in clamped condition;Left caliper and right caliper body is kept to be in front always by torsional spring
Clamped condition, personnel easy to operation vacate hand and use other tools.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model down conductor continuity test jointing clamp.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instructions such as " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
It is the embodiment of the utility model down conductor continuity test jointing clamp, down conductor conducting refering to fig. 1
Test jointing clamp, including left caliper 1 and right caliper body 2, the middle part of left caliper 1 and the middle part of right caliper body 2 are hinged, described
The front end of left caliper 1 is equipped with the left contact 3 for stretching out left caliper 1, and the left contact 3 is strip, and the left contact 3 is towards right pincers
The face of body 2 is plane;
The front end of the right caliper body 2 is equipped with the right contact 4 for stretching out right caliper body 2, and the right contact 4 is also strip, described
Right contact 4 is equipped with the first clip tooth 5 towards the face of left caliper 1;
The length of the right contact 4 is more than the length of left contact 3.
In use, according to the spacing between down conductor and isometrical bar, selection is that left contact 3 is inserted between the two, also
It is that right contact 4 is inserted between the two, space just allows the right contact 4 for having the first clip tooth 5 to be inserted into enough, and then right contact 4 utilizes the
One clip tooth 5 hangs the insulated paint for going to down conductor surface, ensures that down conductor contacts well with jointing clamp, is then connected
Test.
Left contact 3 and right contact 4 are set, it may be convenient to extend between band iron and isometrical bar, and pass through 3 He of left contact
Right contact 4 clamps band iron and realizes Quick-clamped, while the first clip tooth 5 is provided on right contact 4, can quick worn out band iron table
The insulated paint in face realizes good conductive contact, and left contact 3 is plane and short, is inserted into narrower gap.
Further, the front of the right caliper body 2 is equipped with right fixture block 6 towards the end face of left caliper 1, is set on the right fixture block 6
There is the second clip tooth 7, second clip tooth 7 is connected and in the same plane with the first clip tooth 5;The front court of the left caliper 1
It is equipped with left fixture block 8 to the end face of right caliper body 2, the left fixture block 8 is equipped with third clip tooth 9,9 and second clip tooth of the third clip tooth
7 are mutually twisted;When being connected with common down conductor, can by 6 clamping ground downlead of left fixture block 8 and right fixture block, and
And it is designed with clip tooth on two fixture blocks, then be not easy to loosen after clamping, good contact is kept, prevents electric arc.
Further, the middle part of the right fixture block 6 is provided with the right groove 10 to 2 indent of right caliper body, the right groove 10 it is interior
The second clip tooth 7 also is provided on wall;The middle part of the left fixture block 8 is provided with the left groove 11 to 1 indent of left caliper, the left groove 11
Inner wall on also be provided with third clip tooth 9, the left groove 11 and right groove 10 form an annular;The annular of formation is convenient for clamping
Round or similar columnar down conductor, and it is designed with clip tooth in two grooves, it is next good also for retaining clip
Contact, prevent jointing clamp from being loosened with down conductor.
Further, the length that the left contact 3 stretches out left caliper 1 is 15mm, wide 8mm, thick 1.5mm;A left side for this size
Contact 3 is thinner shorter, is conveniently inserted into band iron with isometrical bar by space more closely.
Further, the length that the right contact 4 stretches out right caliper body 2 is 50mm, wide 8mm, thick 5mm;It touches on the right side of this size
First 4 can be enough intensity and ensure that there are enough contact surfaces with band iron convenient for setting clip tooth.
Further, the rear portion of the left caliper 1 and the rear portion of right caliper body 2 are surrounded by insulating layer 12;Protect the peace of operator
Entirely.
Further, the front of the left caliper 1 and the front of right caliper body 2 are connected with binding post 13;Convenient and detection device
It is connected, operation caliper will not be influenced in caliper front by being arranged.
Further, the middle part of the left caliper 1 and the middle part of right caliper body 2 are rotatablely connected by axis pin 14, the axis pin 14
On be cased with allow left caliper 1 front and the front torsional spring in clamped condition of right caliper body 2;It is convenient to be connected with detection device, if
Operation caliper will not be influenced in caliper front by setting.
Binding post 13 on left caliper 1 and right caliper body 2 is connect by conducting wire with test equipment respectively, and operating personnel's one hand is held
The front of the firmly insulating layer 12 of left caliper 1 and right caliper body 2, the front and right caliper body 2 that make left caliper 1 is opened, according under grounding lead
Spacing selection between line and isometrical bar is that left contact 3 is inserted or right contact 4 is inserted, by right contact 4
First clip tooth 5 can easily scrape the insulated paint on down conductor surface off, and down conductor is then clipped in left contact 3 and the right side
Between contact 4, test is proceeded by.
The foregoing is merely specific embodiment of the utility model, but the technical characteristics of the utility model is not limited to
This, any those skilled in the art in the field of the utility model, made by changes or modifications all cover it is new in this practicality
Among the scope of the claims of type.
Claims (8)
1. down conductor continuity test jointing clamp, including left caliper and right caliper body, in the middle part and right caliper body of left caliper
Portion is hinged, it is characterised in that:The front end of the left caliper is equipped with the left contact for stretching out left caliper, and the left contact is length
Bar shaped, the left contact towards the face of right caliper body be plane;
The front end of the right caliper body is equipped with the right contact for stretching out right caliper body, and the right contact is also strip, the right contact court
It is equipped with the first clip tooth to the face of left caliper;
The length of the right contact is more than the length of left contact.
2. down conductor continuity test jointing clamp as described in claim 1, it is characterised in that:The front of the right caliper body
It is equipped with right fixture block towards the end face of left caliper, the right fixture block is equipped with the second clip tooth, second clip tooth and the first clip tooth phase
It is even and in the same plane;The front of the left caliper is equipped with left fixture block towards the end face of right caliper body, is set on the left fixture block
There are third clip tooth, the third clip tooth to be mutually twisted with the second clip tooth.
3. down conductor continuity test jointing clamp as claimed in claim 2, it is characterised in that:The middle part of the right fixture block
It is provided with the right groove to right caliper body indent, the second clip tooth also is provided on the inner wall of the right groove;It is opened in the middle part of the left fixture block
The left groove of oriented left caliper indent also is provided with third clip tooth, the left groove and right groove shape on the inner wall of the left groove
At an annular.
4. down conductor continuity test jointing clamp as described in claim 1, it is characterised in that:The left contact stretches out left
The length of caliper is 15mm, wide 8mm, thick 1.5mm.
5. down conductor continuity test jointing clamp as described in claim 1, it is characterised in that:The right contact stretches out right
The length of caliper is 50mm, wide 8mm, thick 5mm.
6. down conductor continuity test jointing clamp as described in claim 1, it is characterised in that:The rear portion of the left caliper
It is surrounded by insulating layer with the rear portion of right caliper body.
7. down conductor continuity test jointing clamp as described in claim 1, it is characterised in that:The front of the left caliper
It is connected with binding post with the front of right caliper body.
8. down conductor continuity test jointing clamp as described in claim 1, it is characterised in that:The middle part of the left caliper
It is rotatablely connected by axis pin with the middle part of right caliper body, is cased on the axis pin and the front of left caliper and the front of right caliper body is allowed to be in
The torsional spring of clamped condition.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721807964.2U CN207703900U (en) | 2017-12-21 | 2017-12-21 | Down conductor continuity test jointing clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721807964.2U CN207703900U (en) | 2017-12-21 | 2017-12-21 | Down conductor continuity test jointing clamp |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207703900U true CN207703900U (en) | 2018-08-07 |
Family
ID=63027762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721807964.2U Active CN207703900U (en) | 2017-12-21 | 2017-12-21 | Down conductor continuity test jointing clamp |
Country Status (1)
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CN (1) | CN207703900U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109061370A (en) * | 2018-09-10 | 2018-12-21 | 国网山东省电力公司潍坊供电公司 | A kind of substation grounding continuity test two pointer type touch operation bar |
CN113884711A (en) * | 2021-09-23 | 2022-01-04 | 广东电网有限责任公司 | Test jointing clamp and test device |
-
2017
- 2017-12-21 CN CN201721807964.2U patent/CN207703900U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109061370A (en) * | 2018-09-10 | 2018-12-21 | 国网山东省电力公司潍坊供电公司 | A kind of substation grounding continuity test two pointer type touch operation bar |
CN113884711A (en) * | 2021-09-23 | 2022-01-04 | 广东电网有限责任公司 | Test jointing clamp and test device |
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