CN206178001U - A high altitude jointing clamp for tubular busbar side tool floodgate - Google Patents
A high altitude jointing clamp for tubular busbar side tool floodgate Download PDFInfo
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- CN206178001U CN206178001U CN201621246502.3U CN201621246502U CN206178001U CN 206178001 U CN206178001 U CN 206178001U CN 201621246502 U CN201621246502 U CN 201621246502U CN 206178001 U CN206178001 U CN 206178001U
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- lower wiring
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- wiring jaw
- jointing clamp
- teeth
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Abstract
The utility model discloses a high altitude jointing clamp for tubular busbar side tool floodgate, keep silent with the upper and lower wiring of locating insulating behaviour's peak of the staff end including insulating bar, upper and lower wiring is kept silent and is set the arc structure of symmetry to, and the opening degree of upper and lower wiring between keeping silent be 105~175mm, upper and lower wiring is kept silent and is all made by a plurality of conductive metal pieces, and the front end of every conductive metal piece all is equipped with tooth that is the triangle column structure in succession. Arc structure is set to in keeping silent of this jointing clamp, and the opening radian is big, the contact point is many, the test result accuracy high, but auxiliary circuit resistance instrument tests the loop resistance of tubular busbar side tool floodgate, guarantees the normal operating of equipment, and the practicality is good, is worth extensively promoting.
Description
Technical field
This utility model is related in a kind of power domain carry out the Work tool of overhaul of the equipments, and in particular to for tube type bus
The overhead jointing clamp of side tool lock.
Background technology
, easily there is scaling loss, oxidation, deformation in the dynamic/static contact long operational time of transformer station's disconnecting link (also known as disconnecting switch)
Etc. phenomenon, cause have layer of metal oxide-film on dynamic/static contact contact (i.e. area) reduction or contact, so as to cause between contact
Resistance increase, under normal duty electric current, easily produce heating, and produce after heating, it can be accelerated again to aoxidize, jeopardize and set
Standby health operation, affects the reliability of power supply.By drainage thread be fixed on pipe mother on gold utensil due to smearing the techniques such as conductive paste
Bad, run time is long also just to occur fever phenomenon.During interruption maintenance, go wrong from being difficult to see in appearance, typically need to borrow
Help overhead jointing clamp to carry out subsidiary loop resistance instrument to test the loop resistance value of disconnecting link or joint to judge whether are disconnecting link or joint
Contact is reliable, meet service requirement.
At present, it is currently used for subsidiary loop resistance instrument to test the high-altitude wiring wrench structure of disconnecting link or joint loop resistance value
As shown in Fig. 2 including upper and lower wiring jaw and insulating bar, the overhead jointing clamp of this structure has the following disadvantages：Its
One, based on vertical-telescopic, static contact is arranged on tube type bus tube type bus side tool lock, and existing 110kV, 220kV are managed
The external diameter of type bus is respectively 130mm, 150mm, and the maximum between the upper and lower wiring jaw of existing overhead jointing clamp is opened
Away from only 70mm, aperture is too small, while the shape of upper and lower wiring jaw is close to be horizontally disposed with, and tube type bus are arc structure,
It is unable to subsidiary loop resistance instrument to test the loop resistance of cast bus bar side disconnecting link, the scope of application has been limited；Second, upper and lower
Triangle teeth spacing on the inside of wiring jaw is generally 4mm, quantity and typically arranges 14 teeth, so as to the tooth of upper and lower wiring jaw
Tooth spacing is big, quantity is few, and teeth specification disunity, is not suitable for testing cast maternal instinct, causes contact point fewer, affects back
The result of road resistance test, poor practicability.
Utility model content
In view of the shortcomings of the prior art, this utility model provides a kind of high-altitude wiring for tube type bus side tool lock
Pincers, the jaw of this jointing clamp is arranged to arc structure, and opening radian is big, can subsidiary loop resistance instrument testing cast bus bar side knife
The loop resistance of lock, it is ensured that the normal operation of equipment.
In order to achieve the above object, the technical scheme that this utility model is taken：
For the overhead jointing clamp of tube type bus side tool lock, including insulating bar and located at insulating bar top
Upper and lower wiring jaw, the upper and lower wiring jaw be arranged between symmetrical arc structure, and upper and lower wiring jaw open away from
For 105~175mm, if the upper and lower wiring jaw is by made by dry tablet conductive metal sheet, before every conductive metal sheet
End is continuously provided with the teeth in triangular shape structure.
As there is selecting technology scheme, in order to allow all teeth to contact drainage thread as far as possible, contact point is effectively increased, together
When ensure that upper and lower wiring jaw can clamp tube type bus, so that it is guaranteed that the accuracy of loop resistance test value, the teeth are arranged
28 teeth are respectively provided with bottom side length 3mm, the isosceles triangle of high 2mm, and every conductive metal sheet.
As optimal technical scheme, in order to the weight of the upper and lower wiring jaw of effective control is easy to operation, while ensureing good
Through-flow performance and intensity, the upper and lower wiring jaw is and 4 copper sheets by 4 1.5mm thick copper sheet riveting molding
Both sides are equipped with the thick stainless steel substrates of a piece of 1.5mm.
As there is selecting technology scheme, in order to ensure that upper and lower wiring jaw effectively clamps tube type bus, while ensureing more
Contact point, the upper and lower wiring jaw is respectively provided with into radius for 85mm, the circular arc that angle radian is 85 °, and before teeth are arranged on
On the circular arc at 49 ° of end.
Compared with prior art, this utility model has the advantage that：
1st, the upper and lower wiring jaw in arcuation is set, changes the wiring jaw structure of existing level structure, be open radian
Greatly, can subsidiary loop resistance instrument testing the loop resistance of cast bus bar side disconnecting link, effectively exclude the event of cast bus bar side disconnecting link
Barrier, it is ensured that equipment normally runs, it is ensured that the reliability of power supply.
2nd, the shape of teeth, quantity arrange scientific and reasonable, allow all teeth to contact drainage thread as far as possible, are effectively increased
Contact point, while ensure that upper and lower wiring jaw can clamp tube type bus, so that it is guaranteed that the accuracy of loop resistance test value, real
It is good with property.
3rd, the material of upper and lower wiring jaw arranges scientific and reasonable, and the weight of the upper and lower wiring jaw of effective control is easy to behaviour
Make, while ensureing good through-flow performance and intensity.
4th, the structure setting of upper and lower wiring jaw is scientific and reasonable, it is ensured that it is female that upper and lower wiring jaw effectively clamps cast
Line, while ensureing more contact point, further ensures that the accuracy of test result.
Description of the drawings
Below in conjunction with the accompanying drawings this utility model is described in further detail with specific embodiment.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of existing overhead jointing clamp；
Drawing reference numeral：1st, insulating bar, 2, upper wiring jaw, 3, lower wiring jaw, 4, teeth, 5, movable head.
Specific embodiment
A kind of specific embodiment of this utility model is proposed as shown in Figure 1, for the overhead jointing clamp of tube type bus side tool lock,
Including insulating bar 1, the insulating bar 1 arranges more piece, and using threaded connection between often saving, insulating bar 1
Joint number according to the height of field apparatus can flexible assembling, the top of the insulating bar 1 is connected with by movable head 5 can be mutual
Upper wiring jaw 2, the lower wiring jaw 3 of occlusion, the upper wiring jaw 2, lower wiring jaw 3 are arranged to symmetrical arcuation knot
Structure, insulating bar 1 is provided with the steel wire rope being connected with two movable heads 5, is changed between two movable heads 5 by steel wire rope
Vertical dimension, and then change the opening degree between upper wiring jaw 2, lower wiring jaw 3, the upper wiring jaw 2 of the present embodiment setting,
Opening away from for 105~175mm between lower wiring jaw 3, the upper wiring jaw 2, lower wiring jaw 3 are by some plate shapes
Made by structure identical conductive metal sheet, such as copper sheet, stainless steel substrates etc., the front end of every conductive metal sheet continuously sets
There are the teeth 4 in triangular shape structure.
28 are respectively provided with the setting bottom side length 3mm of the teeth 4, the isosceles triangle of high 2mm, and every conductive metal sheet
Teeth 4, it is contemplated that the upper wiring jaw 2, limited length of lower wiring jaw 3, and if teeth 4 size arrange too, excessive, teeth
4 quantity will be reduced, so as to cause contact point to reduce, while teeth 4 are oversized to be easily damaged greatly tube type bus；If teeth
4 size arranges too small, and pipe mother is can't clip because adhesive force is little, and teeth 4 arrange 28 teeth, are shaped to bottom side length 3mm, height
The isosceles triangle of 2mm, it is ensured that allow all teeth 4 to contact drainage thread as far as possible, be effectively increased contact point, while on ensureing
Wiring jaw 2, lower wiring jaw 3 can clamp tube type bus, so that it is guaranteed that the accuracy of loop resistance test value.
The upper wiring jaw 2, lower wiring jaw 3 are and 4 copper sheets by 4 1.5mm thick copper sheet riveting molding
Both sides are equipped with the thick stainless steel substrates of a piece of 1.5mm, conducting electricity very well but not being light material for copper sheet, select 4, effectively control
Wiring jaw 2, the weight of lower wiring jaw 3 are in order to operate in system, and upper wiring jaw 2, lower wiring jaw 3 are operationally,
The high intensity action such as pull unavoidably, in the both sides of 4 copper sheets of riveting molding, rivet a piece of thickness, planform and copper
Piece identical stainless steel substrates, on the whole wiring jaw 2, the intensity of lower wiring jaw 3, it is to avoid damage.
The upper wiring jaw 2, lower wiring jaw 3 are all provided with being set to radius for 85mm, the arc structure that angle radian is 85 °,
And teeth 4 are arranged on the circular arc of 49 ° of front end, upper wiring jaw 2, the radian of lower wiring jaw 3 arrange excessive, upper wiring jaw
2nd, the opening degree between lower wiring jaw 3 is too little, it is impossible to act on the larger tube type bus of caliber, upper wiring jaw 2, under connect
The radian of line tweezer mouth 3 arranges too small, and upper wiring jaw 2, lower wiring jaw 3 are little with the contact surface of tube type bus, causes clamping not
Firmly tube type bus, affect loop resistance to be worth test, upper wiring jaw 2, lower wiring jaw 3 to be all provided with being set to radius for 85mm, angle
Radian is 85 ° of arc structure, and teeth 4 are arranged on the circular arc of 49 ° of front end, it is ensured that upper wiring jaw 2, lower wiring jaw 3
Tube type bus are effectively clamped, while ensureing more contact point, the accuracy of test result is further ensured that.
Certainly, simply combine accompanying drawing above to be described in detail this utility model preferred embodiment, not
Practical range of the present utility model is limited with this, all equivalence changes made according to principle of the present utility model, construction and structure,
All should be covered by protection domain of the present utility model.
Claims (4)
1. the overhead jointing clamp of tube type bus side tool lock, including insulating bar (1) and located at insulating bar (1) top are used for
Upper and lower wiring jaw (2,3), it is characterised in that：The upper and lower wiring jaw (2,3) is arranged to symmetrical arc structure, and
Opening away from for 105~175mm between upper and lower wiring jaw (2,3), the upper and lower wiring jaw (2,3) is if led by dry tablet
Made by electric metal piece, the front end of every conductive metal sheet is continuously provided with the teeth (4) in triangular shape structure.
2. the overhead jointing clamp for tube type bus side tool lock according to claim 1, it is characterised in that：The teeth
(4) it is arranged to bottom side length 3mm, is respectively provided with 28 teeth (4) on the isosceles triangle of high 2mm, and every conductive metal sheet.
3. the overhead jointing clamp for tube type bus side tool lock according to claim 2, it is characterised in that：It is described upper and lower
Wiring jaw (2,3) is that, by 4 1.5mm thick copper sheet riveting molding, and to be equipped with a piece of 1.5mm thick for the both sides of 4 copper sheets
Stainless steel substrates.
4. the overhead jointing clamp for tube type bus side tool lock according to claims 1 to 3 any one, its feature exists
In：The upper and lower wiring jaw (2,3) is all provided with being set to radius for 85mm, the circular arc that angle radian is 85 °, and teeth (4) are arranged on
On the circular arc that 49 ° of front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621246502.3U CN206178001U (en) | 2016-11-21 | 2016-11-21 | A high altitude jointing clamp for tubular busbar side tool floodgate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621246502.3U CN206178001U (en) | 2016-11-21 | 2016-11-21 | A high altitude jointing clamp for tubular busbar side tool floodgate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206178001U true CN206178001U (en) | 2017-05-17 |
Family
ID=58686175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621246502.3U Active CN206178001U (en) | 2016-11-21 | 2016-11-21 | A high altitude jointing clamp for tubular busbar side tool floodgate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206178001U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199083A (en) * | 2016-08-26 | 2016-12-07 | 广西电网有限责任公司钦州供电局 | Multi-contact overhead jointing clamp |
| CN110554215A (en) * | 2018-05-31 | 2019-12-10 | 广东电网有限责任公司 | bus tube clamp |
| CN111239592A (en) * | 2020-03-31 | 2020-06-05 | 上海捷策创电子科技有限公司 | Chip testing seat |
| CN114137312A (en) * | 2020-11-02 | 2022-03-04 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
-
2016
- 2016-11-21 CN CN201621246502.3U patent/CN206178001U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199083A (en) * | 2016-08-26 | 2016-12-07 | 广西电网有限责任公司钦州供电局 | Multi-contact overhead jointing clamp |
| CN110554215A (en) * | 2018-05-31 | 2019-12-10 | 广东电网有限责任公司 | bus tube clamp |
| CN111239592A (en) * | 2020-03-31 | 2020-06-05 | 上海捷策创电子科技有限公司 | Chip testing seat |
| CN114137312A (en) * | 2020-11-02 | 2022-03-04 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
| CN114137312B (en) * | 2020-11-02 | 2023-12-22 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
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