CN204464509U - A kind of support type current transformer connecting clamp - Google Patents
A kind of support type current transformer connecting clamp Download PDFInfo
- Publication number
- CN204464509U CN204464509U CN201520045610.3U CN201520045610U CN204464509U CN 204464509 U CN204464509 U CN 204464509U CN 201520045610 U CN201520045610 U CN 201520045610U CN 204464509 U CN204464509 U CN 204464509U
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- current transformer
- connecting plate
- plate
- rod
- adjusting screw
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims abstract description 16
- 239000010949 copper Substances 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 230000001276 controlling effect Effects 0.000 claims abstract description 12
- 230000002787 reinforcement Effects 0.000 claims description 14
- 230000007257 malfunction Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 15
- 238000009434 installation Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to a kind of support type current transformer connecting clamp, comprises body, adjustable plate, and the middle part of adjustable plate is provided with deep-slotted chip breaker, and form an installing hole between deep-slotted chip breaker and eccentric orfice, body is provided with adjusting screw(rod), and adjusting screw(rod) is provided with connecting plate, advantage of the present utility model: movable in eccentric orfice by adjusting screw(rod) regulating and controlling plate, the installing hole making the deep-slotted chip breaker of adjustable plate and eccentric orfice form a current transformer to install, the connection pile crown close contact of body and current transformer can be ensured, expand the contact area between pile crown and wire clamp, contact area can be increased to 5 ~ 6 times of existing contact area, the setting of tread plate is provided with by madial wall, reduce contact resistance, reduce the temperature of current transformer junction, decrease the damage of current transformer, improve existing Outdoor Current Transformer pile crown and copper bar connection state, reduce current mulual inductor malfunction rate, improve the reliability of power supply.
Description
Technical field
The utility model relates to a kind of support type current transformer connecting clamp.
Background technology
Current transformer plays unsteady flow and electrical isolation, exactly the big current of primary system is transformed into the secondary small area analysis be proportional, supply measuring instrument or relaying protection and automatics to use, in electric power system, the effect of current transformer can not be substituted, so it directly plays a part key to the safety and stability of electrical network, Outdoor Current Transformer often will bear abnormal electric circumstance and natural environment, easily break down, Outdoor Current Transformer all adopts outdoor column type current transformer, wiring pile crown is all screw, pile crown and copper bar are fixed on screw rod by upper and lower two nuts and are connected, connect contact-making surface abundant not, special in long-time outdoor operation, whether well connect, the reliable load capacity directly affecting circuit, contact-making surface is little, loose contact, contact resistance is excessive, heating can be caused, if find not in time and process, current transformer pile crown will be burnt out and be connected copper bar.Long-term overload, temperature is too high even can cause burning of Outdoor Current Transformer, China's application number is that CN201420565332.X discloses support type current transformer connecting clamp, and it comprises the collar, connecting plate, is locked on current transformer by locking device by the collar, during use, need very to active force could the collar be locked on current transformer, when lock not in place time, the collar easily comes off, thus impact uses, result of use is poor.
Utility model content
The defect that the technical problems to be solved in the utility model exists when being the connection of existing current transformer, thus a kind of support type current transformer connecting clamp is provided.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of support type current transformer connecting clamp, comprise body, the middle part of described body is provided with a up big and down small eccentric orfice, the adjustable plate of one piece of energy eccentric adjustment hole size is connected with in described eccentric orfice, the middle part of described adjustable plate is provided with deep-slotted chip breaker, an installing hole be convenient to current transformer and installed is formed between described deep-slotted chip breaker and eccentric orfice, described body is provided with the adjusting screw(rod) of regulating and controlling plate activity, described adjusting screw(rod) is provided with one piece for connecting the connecting plate of copper bar, adjusting screw(rod) described in the both sides of connecting plate is equipped with an adjusting nut, described connecting plate is provided with at least two fixing holes be fixed on by copper bar on connecting plate, the madial wall of described eccentric orfice and the madial wall of deep-slotted chip breaker are equipped with at least one tread plate, the guidance set of at least one regulating and controlling plate activity is provided with in described eccentric orfice between adjustable plate and body, described guidance set comprises the fixed lever be fixedly connected on body, be movably connected in the expansion link on fixed lever, one end of described expansion link is fixedly connected on adjustable plate.
Preferably, the cross section of described connecting plate is L shape, described fixing hole is arranged on the horizontal part of connecting plate, the vertical portion of described connecting plate is arranged on adjusting screw(rod), arc sections is provided with between the horizontal part of described connecting plate and vertical portion, the vertical portion of described connecting plate is provided with at least one first screwed hole coordinated with adjusting screw(rod), connecting plate is arranged to L shape, be convenient to installing/dismounting, connect reliable, fixing hole is arranged on the horizontal part of connecting plate, effectively can ensure the stationarity of copper bar, the vertical portion of connecting plate is provided with at least one first screwed hole, can be adjusted according to different installation situation, Practical Performance is good.
Preferably, the described connecting plate of arc sections bottom is provided with at least one reinforcement, and the cross section of described reinforcement is bar shaped or triangle, can improve the intensity of connecting plate, decrease damage.
Preferably, described reinforcement is two, article two, the connecting plate between reinforcement is provided with the test rod that is built-in with temperature sensor, effectively can detect the variations in temperature of connecting plate, ensure that the temperature of junction is in suitable temperature range, decrease the damage of current transformer, test rod is arranged on the connecting plate between reinforcement, decrease the damage of test rod.
Preferably, described body is provided with the convex edge portion being convenient to adjusting screw(rod) activity, and described convex edge portion is provided with the second screwed hole, and connect reliable, easy to use, the setting in convex edge portion, improves the intensity of body, decrease damage.
Preferably, described fixed lever is provided with the loose slot being convenient to expansion link activity, and described loose slot is dovetail groove, and guide effect is good, and Practical Performance is good.
In sum, advantage of the present utility model: movable in eccentric orfice by adjusting screw(rod) regulating and controlling plate, the installing hole making the deep-slotted chip breaker of adjustable plate and eccentric orfice form a current transformer to install, the connection pile crown close contact of body and current transformer can be ensured, expand the contact area between pile crown and wire clamp, contact area can be increased to 5 ~ 6 times of existing contact area, the setting of tread plate is provided with by madial wall, directly be fixed on pile crown with existing copper bar, reduce contact resistance, contact resistance can reduce 20 ~ 30%, reduce the temperature of current transformer junction, decrease the damage of current transformer, improve existing Outdoor Current Transformer pile crown and copper bar connection state, reduce current mulual inductor malfunction rate, improve the reliability of power supply, and pass through the activity of guidance set regulating and controlling plate, avoid the skew of adjustable plate, ensure that good being connected with current transformer of installing hole energy, connecting plate is located on adjusting screw(rod), different installation environments can be adapted to, improve the working strength of installing and bringing, Practical Performance is good, by locking device, the collar is locked on current transformer relative to existing, improve the reliability of connection, during installation, working strength is little, decrease damage, structure is simple.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of a kind of support type current transformer connecting clamp of the utility model;
Fig. 2 is the structural representation of the utility model connecting plate;
Fig. 3 is the structural representation of the utility model guidance set.
Embodiment
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of support type current transformer connecting clamp, comprise body 1, the middle part of described body 1 is provided with a up big and down small eccentric orfice 2, the adjustable plate 3 of one piece of energy eccentric adjustment hole 2 size is connected with in described eccentric orfice 2, the middle part of described adjustable plate 3 is provided with deep-slotted chip breaker 31, an installing hole be convenient to current transformer and installed is formed between described deep-slotted chip breaker and eccentric orfice, described body 1 is provided with the adjusting screw(rod) 4 of regulating and controlling plate 3 activity, described adjusting screw(rod) 4 is provided with one piece for connecting the connecting plate 5 of copper bar, adjusting screw(rod) 4 described in the both sides of connecting plate 5 is equipped with an adjusting nut 41, described connecting plate 5 is provided with at least two fixing holes 51 be fixed on by copper bar on connecting plate 5, described fixing hole 51 is bar hole or circular hole, the madial wall of described eccentric orfice 2 and the madial wall of deep-slotted chip breaker 31 are equipped with at least one tread plate 6, the guidance set 7 of at least one regulating and controlling plate 3 activity is provided with in described eccentric orfice 2 between adjustable plate 3 and body 1, described guidance set 7 comprises the fixed lever 71 be fixedly connected on body 1, be movably connected in the expansion link 72 on fixed lever 71, described expansion link 72 is fixedly connected on adjustable plate 3, the cross section of described connecting plate 5 is L shape, described fixing hole 51 is arranged on the horizontal part of connecting plate 5, the vertical portion of described connecting plate 5 is arranged on adjusting screw(rod) 4, arc sections 50 is provided with between the horizontal part of described connecting plate 5 and vertical portion, the vertical portion of described connecting plate 5 is provided with at least one first screwed hole 52 coordinated with adjusting screw(rod) 4, connecting plate is arranged to L shape, be convenient to installing/dismounting, connect reliable, fixing hole is arranged on the horizontal part of connecting plate, effectively can ensure the stationarity of copper bar, the vertical portion of connecting plate is provided with at least one first screwed hole, can be adjusted according to different installation situation, Practical Performance is good, the described connecting plate 5 of arc sections 50 bottom is provided with at least one reinforcement 53, the cross section of described reinforcement 53 is bar shaped or triangle, the intensity of connecting plate can be improved, decrease damage, described reinforcement 53 is two, article two, the connecting plate 5 between reinforcement 53 is provided with the test rod 54 that is built-in with temperature sensor, effectively can detect the variations in temperature of connecting plate, ensure that the temperature of junction is in suitable temperature range, decrease the damage of current transformer, test rod is arranged on the connecting plate between reinforcement, decrease the damage of test rod, described body 1 is provided with the convex edge portion 11 being convenient to adjusting screw(rod) 4 activity, described convex edge portion 11 is provided with the second screwed hole, connect reliable, easy to use, the setting in convex edge portion, improve the intensity of body, decrease damage, described fixed lever 71 is provided with the loose slot 70 being convenient to expansion link 72 activity, described loose slot 70 is dovetail groove, guide effect is good, Practical Performance is good.
During use, eccentric orfice 2 on body 1 is arranged on the connection pile crown of current transformer, according to the model of current transformer, movable in eccentric orfice 2 by adjusting screw(rod) 4 regulating and controlling plate 3, the connection pile crown of the installing hole angle current transformer that adjustable plate 3 and eccentric orfice 2 are formed, and by regulating the position of connecting plate 5 on adjusting screw(rod) 4 to adapt to different installation environments, during adjustment, only connecting plate 5 need be made movable at adjusting screw(rod) 4 by adjusting nut 41, then control copper bar to install, and decrease current transformer and the contact resistance be connected between pile crown by tread plate 6, adjustable plate 3 is controlled by guidance set 7 when activity, avoid the skew of adjustable plate 3 when activity, during work, the variations in temperature of connecting plate is detected in real time by the temperature sensor in test rod 54, decrease the damage of current transformer.
Movable in eccentric orfice by adjusting screw(rod) regulating and controlling plate, the installing hole making the deep-slotted chip breaker of adjustable plate and eccentric orfice form a current transformer to install, the connection pile crown close contact of body and current transformer can be ensured, expand the contact area between pile crown and wire clamp, contact area can be increased to 5 ~ 6 times of existing contact area, the setting of tread plate is provided with by madial wall, directly be fixed on pile crown with existing copper bar, reduce contact resistance, contact resistance can reduce 20 ~ 30%, reduce the temperature of current transformer junction, decrease the damage of current transformer, improve existing Outdoor Current Transformer pile crown and copper bar connection state, reduce current mulual inductor malfunction rate, improve the reliability of power supply, and pass through the activity of guidance set regulating and controlling plate, avoid the skew of adjustable plate, ensure that good being connected with current transformer of installing hole energy, connecting plate is located on adjusting screw(rod), different installation environments can be adapted to, improve the working strength of installing and bringing, Practical Performance is good, by locking device, the collar is locked on current transformer relative to existing, improve the reliability of connection, during installation, working strength is little, decrease damage, structure is simple.
Claims (6)
1. a support type current transformer connecting clamp, it is characterized in that: comprise body (1), the middle part of described body (1) is provided with a up big and down small eccentric orfice (2), the adjustable plate (3) of one piece of energy eccentric adjustment hole (2) size is connected with in described eccentric orfice (2), the middle part of described adjustable plate (3) is provided with deep-slotted chip breaker (31), an installing hole be convenient to current transformer and installed is formed between described deep-slotted chip breaker (31) and eccentric orfice (2), described body (1) is provided with the movable adjusting screw(rod) (4) of regulating and controlling plate (3), described adjusting screw(rod) (4) is provided with one piece for connecting the connecting plate (5) of copper bar, adjusting screw(rod) (4) described in the both sides of connecting plate (5) is equipped with an adjusting nut (41), described connecting plate (5) is provided with at least two fixing holes (51) be fixed on by copper bar on connecting plate (5), the madial wall of described eccentric orfice (2) and the madial wall of deep-slotted chip breaker (31) are equipped with at least one tread plate (6), the guidance set (7) that at least one regulating and controlling plate (3) is movable is provided with in described eccentric orfice (2) between adjustable plate (3) and body (1), described guidance set (7) comprises the fixed lever (71) be fixedly connected on body (1), be movably connected in the expansion link (72) on fixed lever (71), described expansion link (72) is fixedly connected on adjustable plate (3).
2. a kind of support type current transformer connecting clamp according to claim 1, it is characterized in that: the cross section of described connecting plate (5) is L shape, described fixing hole (51) is arranged on the horizontal part of connecting plate (5), the vertical portion of described connecting plate (5) is arranged on adjusting screw(rod) (4), be provided with arc sections (50) between the horizontal part of described connecting plate (5) and vertical portion, the vertical portion of described connecting plate (5) is provided with at least one first screwed hole (52) coordinated with adjusting screw(rod) (4).
3. a kind of support type current transformer connecting clamp according to claim 2, it is characterized in that: the described connecting plate (5) of arc sections (50) bottom is provided with at least one reinforcement (53), the cross section of described reinforcement (53) is bar shaped or triangle.
4. a kind of support type current transformer connecting clamp according to claim 3, it is characterized in that: described reinforcement (53) is two, the connecting plate (5) between two reinforcements (53) is provided with the test rod (54) that is built-in with temperature sensor.
5. a kind of support type current transformer connecting clamp according to claim 1, it is characterized in that: described body (1) is provided with is convenient to the movable convex edge portion (11) of adjusting screw(rod) (4), and described convex edge portion (11) is provided with the second screwed hole.
6. a kind of support type current transformer connecting clamp according to claim 2, it is characterized in that: described fixed lever (71) is provided with is convenient to the movable loose slot (70) of expansion link (72), and described loose slot (70) is dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045610.3U CN204464509U (en) | 2015-01-22 | 2015-01-22 | A kind of support type current transformer connecting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520045610.3U CN204464509U (en) | 2015-01-22 | 2015-01-22 | A kind of support type current transformer connecting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204464509U true CN204464509U (en) | 2015-07-08 |
Family
ID=53671344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520045610.3U Active CN204464509U (en) | 2015-01-22 | 2015-01-22 | A kind of support type current transformer connecting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204464509U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575603A (en) * | 2016-01-15 | 2016-05-11 | 胡小青 | High-voltage instrument transformer for improving wire clamping strength |
| CN105845338A (en) * | 2016-05-02 | 2016-08-10 | 申清章 | Easy-to-install high-voltage zero-sequence current transformer |
| CN107389988A (en) * | 2017-07-31 | 2017-11-24 | 国网河北省电力公司衡水供电分公司 | Transformer testing clamps high-altitude clamping device |
| CN113273046A (en) * | 2019-12-12 | 2021-08-17 | 普乐士电机株式会社 | Portable wire injector |
| CN113314862A (en) * | 2021-04-25 | 2021-08-27 | 国网浙江省电力有限公司东阳市供电公司 | Make things convenient for cable junction's binding post |
-
2015
- 2015-01-22 CN CN201520045610.3U patent/CN204464509U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105575603A (en) * | 2016-01-15 | 2016-05-11 | 胡小青 | High-voltage instrument transformer for improving wire clamping strength |
| CN105845338A (en) * | 2016-05-02 | 2016-08-10 | 申清章 | Easy-to-install high-voltage zero-sequence current transformer |
| CN107389988A (en) * | 2017-07-31 | 2017-11-24 | 国网河北省电力公司衡水供电分公司 | Transformer testing clamps high-altitude clamping device |
| CN107389988B (en) * | 2017-07-31 | 2023-11-07 | 国网河北省电力公司衡水供电分公司 | High-altitude clamping device of transformer test clamp |
| CN113273046A (en) * | 2019-12-12 | 2021-08-17 | 普乐士电机株式会社 | Portable wire injector |
| CN113314862A (en) * | 2021-04-25 | 2021-08-27 | 国网浙江省电力有限公司东阳市供电公司 | Make things convenient for cable junction's binding post |
| CN113314862B (en) * | 2021-04-25 | 2023-09-15 | 国网浙江省电力有限公司东阳市供电公司 | Binding post convenient for cable connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |