CN206575017U - A kind of paracentesis type external clearance arrester - Google Patents
A kind of paracentesis type external clearance arrester Download PDFInfo
- Publication number
- CN206575017U CN206575017U CN201720237598.5U CN201720237598U CN206575017U CN 206575017 U CN206575017 U CN 206575017U CN 201720237598 U CN201720237598 U CN 201720237598U CN 206575017 U CN206575017 U CN 206575017U
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- CN
- China
- Prior art keywords
- cable clamp
- striking
- paracentesis
- insulator
- arm
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- 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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Abstract
The utility model discloses a kind of paracentesis type external clearance arrester, including the first penetrating cable clamp and the second penetrating cable clamp being fixed on cable, insulator is connected with the downside of first penetrating cable clamp, insulator lower end is connected with earth plate, striking arm is connected with the downside of second penetrating cable clamp, the insulator is slidably matched with the first penetrating cable clamp, insulator is carried out position adjustments along cable direction;The striking arm can carry out position adjustments along cable direction and vertical direction.The purpose of this utility model is to provide a kind of paracentesis type external clearance arrester that earth plate and striking arm relative position can be adjusted, and can provide it is good draw lonely effect, it is and safe and reliable.
Description
Technical field
The utility model is related to a kind of electric armour clamp, and in particular to a kind of paracentesis type external clearance arrester.
Background technology
In power system, insulated cable has generally been used in the built on stilts conveying of electric power, when direct lightning strike or induced lightening
When overvoltage acts on insulated cable, due to the barrier of insulating coating, electric arc can not be moved, and the insulation of insulated cable is punctured first
Layer, and then cause insulator arc-over, breakdown insulating barrier is in Pinhole-shaped, the resistance of insulation around the continuous short arc current receipts of frequency
Hinder, arc root can only burn at pin hole, blow to cause electricity by insulated conductor moment on powerful current convergence a to point
The disconnection of net, influences the normal work of power transmission network.
During installation, the earth plate and striking arm of arrester need to form suitable relative position, and indwelling goes out properly
Relative gap, just can guarantee that discharge effect.But, because the external insulation layer that penetrating cable clamp can puncture cable is fixed, institute
Should not be moved with installing, this require must once mounting in place, also can not regulated ground plate and striking arm after installing
Relative position, causes installation difficulty;The species for being additionally, since insulator is varied, will be equipped with for each insulator
The earth plate and striking arm adaptable with it, this brings to the storage of spare part also needs to now in bigger difficulty, work progress
Gap between field control annular drainage electrode and insulated conductor, the technical requirements to construction are higher, are finally still unfavorable for electrically
The maintenance of facility.
Utility model content
The purpose of this utility model is to provide a kind of penetration type that earth plate and striking arm relative position can be adjusted
External series gap arrester, and good striking effect can be provided, and it is safe and reliable.
To achieve these goals, the technical solution adopted in the utility model is:A kind of paracentesis type external clearance arrester, bag
Include and be connected with insulator on the downside of the first penetrating cable clamp and the second penetrating cable clamp being fixed on cable, the first penetrating cable clamp, insulate
Sub- lower end is connected with the downside of earth plate, the second penetrating cable clamp and is connected with striking arm, it is characterised in that:The insulator is worn with first
Thorn wire clamp is slidably matched, and insulator is carried out position adjustments along cable direction;The striking arm can be along cable direction and vertical
Direction carries out position adjustments.
The utility model is further arranged to, and the bottom of first penetrating cable clamp sets first to slide along cable direction
Groove, insulator upper end is provided with the first sliding block coordinated with the first slide, and the two ends of first chute are spirally connected one respectively
First screw rod, the end of two the first screw rods is connected on the first sliding block respectively.
The utility model is further arranged to, and the striking arm is connected by a high resistance body with the second penetrating cable clamp,
The bottom of second penetrating cable clamp sets the second chute along cable direction, and high resistance body upper end is provided with what is coordinated with the second slide
Second sliding block, the two ends of second chute are spirally connected second screw rod respectively, and the end of two the second screw rods is connected to respectively
On second sliding block;High resistance body for can up and down telescopic structure.
The utility model is further arranged to, and the high resistance body includes sleeve pipe and the resistance screw rod being spirally connected with sleeve pipe,
The resistance screw rod is made of tin material, and striking arm is fixedly connected on the lower end of resistance screw rod by screw.
The utility model is further arranged to, and the hemispherical striking of protrusion is respectively equipped with the earth plate and striking arm
Striking point on point, earth plate and striking arm is oppositely arranged.
The utility model is further arranged to, the earth plate be " T " font, including the first linking arm and second connection
Arm, the first linking arm is connected to the centre of the second linking arm, and the two ends of the second linking arm set the hemispherical of a protrusion respectively
Striking point.
The beneficial effects of the utility model:Paracentesis type external clearance arrester provided by the utility model, its earth plate and
The position of striking arm can carry out position adjustments in the case where not moving penetrating cable clamp, facilitate the installation of staff, just
In the position adjustments of earth plate and striking arm to preferably relative position, meanwhile, safeguarding, changing earth plate and striking arm
When, the range of choice to earth plate and striking arm is wider, significantly reduces the standby pressure of library storage;And high resistance body and hemisphere
The setting of shape striking point greatly improves the striking effect and security of arrester.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that the utility model is " T " font structure earth plate.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
The utility model is illustrated below with reference to Fig. 1 to Fig. 2.
A kind of paracentesis type external clearance arrester, including the first penetrating cable clamp 1 being fixed on cable and the second penetrating cable clamp
2, the downside of the first penetrating cable clamp 1 is connected with insulator 3, and the lower end of insulator 3 is connected with earth plate 4, and the downside of the second penetrating cable clamp 2 connects
Striking arm 5 is connected to, the insulator 3 is slidably matched with the first penetrating cable clamp 1, insulator 3 is carried out position along cable direction
Regulation;The striking arm 5 can carry out position adjustments along cable direction and vertical direction.By the technical scheme, earth plate 4 and draw
The position of arc arm 5 can carry out position adjustments in the case where not moving penetrating cable clamp, facilitate the installation of staff, be easy to
The position adjustments of earth plate 4 and striking arm 5 to preferably relative position, meanwhile, safeguarding, changing earth plate 4 and striking arm 5
When, the range of choice to earth plate 4 and striking arm 5 is wider, significantly reduces the standby pressure of library storage.
The bottom of first penetrating cable clamp 1 sets the first chute 6 along cable direction, and the upper end of insulator 3 is provided with and the first chute 6
The first sliding block 7 being slidably matched, the two ends of first chute 6 are spirally connected first screw rod 8 respectively, two the first screw rods 8
End is connected on the first sliding block 7 respectively.In the technical scheme, by adjusting the position of two the first screw rods 8 come adjusting slider
Position, so as to adjust the position of insulator 3, earth plate 4 is fixedly connected on the lower end of insulator 3 by screw.
Striking arm 5 is connected by a high resistance body with the second penetrating cable clamp 2, and the bottom of the second penetrating cable clamp 2 is along cable side
To the second chute 9 is set, high resistance body upper end is provided with the second sliding block 10 being slidably matched with the second chute 9, second chute 9
Two ends be spirally connected respectively second screw rod 11, the end of two the second screw rods 11 is connected on the second sliding block 10 respectively;High electricity
Resistance body for can up and down telescopic structure.By the position of two the second screw rods 11 of regulation come the position of adjusting slider, so as to adjust
The position of high resistance body, striking arm 5 is fixedly connected on the lower end of high resistance body by screw.
High resistance body includes sleeve pipe 12 and the resistance screw rod 13 being spirally connected with sleeve pipe 12, and the resistance screw rod 13 uses tin material
It is made, striking arm 5 is fixedly connected on the lower end of resistance screw rod 13 by screw.Under voltage drop after high resistance body make earth plate and
Electric arc between striking arm extinguishes rapidly, is difficult to cause the protection switch tripping operation of circuit to cause power failure, is normally using shape
Under state, isolated by high resistance body, it is to avoid leak electricity, eliminate potential safety hazard
Drawing on the hemispherical striking point 14 of protrusion, earth plate 4 and striking arm 5 is respectively equipped with earth plate 4 and striking arm 5
Acnode 14 is oppositely arranged, and the earth plate 4 is " T " font, including the first linking arm 15 and the second linking arm 16, the first linking arm
15 are connected to the centre of the second linking arm 16, and the two ends of the second linking arm 16 set the hemispherical striking point of a protrusion respectively
14.According to the principle of point discharge, when thunderbolt, voltage is higher, and a large amount of electric charges are gathered on striking arm, in earth plate and striking arm
External part two hemispherical striking points 14 between discharged, improve electric discharge sensitiveness, striking effect is good, rapid electric discharge
Discharged, it is ensured that the safety of insulated cable and terminal device.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and modification, above-mentioned vacation can also be made
If these improvement and modification also should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of paracentesis type external clearance arrester, including the first penetrating cable clamp and the second penetrating cable clamp being fixed on cable, the
Insulator is connected with the downside of one penetrating cable clamp, insulator lower end is connected with the downside of earth plate, the second penetrating cable clamp and is connected with striking
Arm, it is characterised in that:The insulator is slidably matched with the first penetrating cable clamp, insulator is carried out position tune along cable direction
Section;The striking arm can carry out position adjustments along cable direction and vertical direction.
2. a kind of paracentesis type external clearance arrester according to claim 1, it is characterised in that:First penetrating cable clamp
Bottom sets the first chute along cable direction, and insulator upper end is provided with the first sliding block coordinated with the first slide, described the
The two ends of one chute are spirally connected first screw rod respectively, and the end of two the first screw rods is connected on the first sliding block respectively.
3. a kind of paracentesis type external clearance arrester according to claim 1, it is characterised in that:The striking arm is high by one
Resistive element is connected with the second penetrating cable clamp, and the bottom of the second penetrating cable clamp is set on the second chute, high resistance body along cable direction
End is provided with the second sliding block coordinated with the second slide, and the two ends of second chute are spirally connected second screw rod, two respectively
The end of individual second screw rod is connected on the second sliding block respectively;High resistance body for can up and down telescopic structure.
4. a kind of paracentesis type external clearance arrester according to claim 3, it is characterised in that:The high resistance body includes set
Pipe and the resistance screw rod being spirally connected with sleeve pipe, the resistance screw rod are made of tin material, and striking arm is fixedly connected on by screw
The lower end of resistance screw rod.
5. a kind of paracentesis type external clearance arrester according to claim 1, it is characterised in that:The earth plate and striking arm
On the striking point that is respectively equipped with the hemispherical striking point of protrusion, earth plate and striking arm be oppositely arranged.
6. a kind of paracentesis type external clearance arrester according to claim 1, it is characterised in that:The earth plate is " T " word
Type, including the first linking arm and the second linking arm, the first linking arm are connected to the centre of the second linking arm, the two of the second linking arm
End sets the hemispherical striking point of a protrusion respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720237598.5U CN206575017U (en) | 2017-03-06 | 2017-03-06 | A kind of paracentesis type external clearance arrester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720237598.5U CN206575017U (en) | 2017-03-06 | 2017-03-06 | A kind of paracentesis type external clearance arrester |
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Publication Number | Publication Date |
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CN206575017U true CN206575017U (en) | 2017-10-20 |
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CN201720237598.5U Expired - Fee Related CN206575017U (en) | 2017-03-06 | 2017-03-06 | A kind of paracentesis type external clearance arrester |
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CN (1) | CN206575017U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109637758A (en) * | 2018-11-30 | 2019-04-16 | 广东科技学院 | A kind of insulator |
-
2017
- 2017-03-06 CN CN201720237598.5U patent/CN206575017U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109637758A (en) * | 2018-11-30 | 2019-04-16 | 广东科技学院 | A kind of insulator |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20210306 |
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CF01 | Termination of patent right due to non-payment of annual fee |