CN106451285A - Novel wedge-shaped power line clamp - Google Patents
Novel wedge-shaped power line clamp Download PDFInfo
- Publication number
- CN106451285A CN106451285A CN201610280422.8A CN201610280422A CN106451285A CN 106451285 A CN106451285 A CN 106451285A CN 201610280422 A CN201610280422 A CN 201610280422A CN 106451285 A CN106451285 A CN 106451285A
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- China
- Prior art keywords
- clamp
- pressure pipe
- base tube
- stem
- pipe portion
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
- H01R4/5016—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
- H01F2038/305—Constructions with toroidal magnetic core
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a novel wedge-shaped power line clamp which comprises a base tube, a core column, a bolt and a clamping board assembly. The base tube comprises a tube pressing part and a board sealing part. The board sealing part and the tube pressing part are fixedly arranged in a facing manner. The board sealing part is provided with a spacing sliding hole and threading holes. The inner wall of the tube pressing part is provided with pressing bosses. The outer peripheral wall of the core column is provided with a conical pressing surface. The center of the core column is provided with a central hole in the axial direction of the tube pressing part. The clamping board assembly comprises wire clamping boards. The inner wall of each wire clamping board is provided with a guiding sliding table which is used for spacing reciprocation of the core column in the axial direction of the tube pressing part. Each wire clamping board is provided with a guiding sliding trough for spacing reciprocation of the clamping board in the axial direction of the tube pressing part. Each pressing boss is provided with a spacing sliding column which matches the guiding sliding trough. Each wire clamping board is arranged in a manner of facing one pressing boss. The bolt is rotated for pushing each wire clamping board to move in the axial direction of the tube pressing part. The base tube is provided with a mounting threaded hole which penetrates through the wall of the tube pressing part in the axial direction of the base tube. The mounting threaded hole is provided with a temperature sensing device fixedly. The novel wedge-shaped power line clamp has advantages of relatively compact and reasonable structure, and easy mounting.
Description
Technical field
The invention belongs to electric armour clamp technical field, be specifically related to a kind of Novel wedge-shaped power line clamp.
Background technology
The bunched cable of power transmission and distribution is usually two cores or four cores, is required for during by built on stilts for bunched cable fixing on utility poles
Use strain clamp.Chinese patent 03210522.3 discloses a kind of four-core centralized cable strain clamp, utilizes two to join in pairs
The voussoir closing is clamped the core of cable and is penetrated tensioning in the wedge cavities of wire clamp again, and wedge-like engagement can make cable open tighter and tighter, also not
Fragile core.But, using the voussoir of two paired cooperations to clamp wire and may produce Relative sliding, impact clamping is reliable
Property.This strain clamp also needs parallel four-core centralized cable when mounted to being twisted into square, and is arranged on the same of wire clamp
In individual wedge cavities, more bothersome to turning round, generally require many people and just can complete, convenient not.And, general strain clamp is all
Using metal manufacture, weight is big, and cost is high, it is also possible to corrosion, and built on stilts installation operation is relatively elaborate, reduces efficiency of construction.
Content of the invention
It is an object of the invention to provide a kind of structure more compact and reasonable and there is the novel wedge of real time temperature monitoring function
Shape power line clamp.
The technical scheme realizing the object of the invention is：A kind of Novel wedge-shaped power line clamp, including base tube, stem stem, bolt and
Cleat assembly；Base tube includes pressure pipe portion and shrouding portion；Shrouding portion and pressure pipe portion are relatively fixed setting；Shrouding portion is provided with spacing slide opening
And through wires hole；The inwall in pressure pipe portion is provided with crimping boss；The periphery wall of stem stem is provided with taper electrolysis；The center of stem stem
It is axially arranged with centre bore along pressure pipe portion；Cleat assembly includes clamp；The inwall of clamp is provided with for spacing stem stem along pressure pipe
The guiding slide unit that portion's axial reciprocating moves；Each clamp is provided with the guiding radially moving back and forth for spacing clamping plate along pressure pipe portion
Chute；Each crimping boss is provided with the spacing traveller with guide chute adaptation；A corresponding crimping boss is just arranged by clamp,
Each clamp and a corresponding crimping boss clamping form a clamp hole；Each through wires hole in shrouding portion and a corresponding clamp
Hole connects；Bolt includes the body of rod, the fastening part being arranged on body of rod one end, the male threaded joint being arranged on the body of rod and and outer
The nut of threaded joints adaptation；The fastening position of bolt is in stem stem away from the side in shrouding portion, and the body of rod of bolt sequentially passes through
The centre bore of stem stem and the spacing slide opening in shrouding portion, nut is twisted solid on the male threaded joint that bolt stretches out spacing slide opening；Spiral shell
The external diameter of bolt fastening part is more than the aperture of stem stem centre bore, and the external diameter of nut is more than the aperture of the spacing slide opening in shrouding portion；Work as crimping
When the quantity of boss is multiple, crimping boss is evenly distributed on the inwall in pressure pipe portion along the circumference in pressure pipe portion；Crimping boss from
Projecting radially inwards formation on the inwall in pressure pipe portion, crimping boss axially penetrates through the inwall in pressure pipe portion along pressure pipe portion；Rotate spiral shell
Bolt pulls stem stem to move towards the direction close to shrouding portion；Stem stem pushes the guiding slide unit of each clamp by taper electrolysis,
And then promote each clamp to make its being moved radially outward along pressure pipe portion, thus clamp the electric power cable being positioned in clamp hole；Base
Pipe is provided with the installation screw extending radially through pressure pipe portion wall body along base tube；This installation screw is fixed with temperature sensing device；Temperature
Degree sensing device include the metal shell with storage tank, the temperature sensor being arranged in storage tank, for by TEMP
Device is crimped on the spring on storage tank diapire and the screwed pipe plug for limit spring；Temperature sensor includes using heat conductive insulating
Heat-conducting block that elastomeric material is made, the thermo-sensitive resistor being arranged in heat-conducting block, be arranged on heat-conducting block two connect electric mortiser post；Lead
Hot block can reciprocatingly slide in the storage tank of metal shell；The external diameter of the other end away from base tube central axis for the heat-conducting block and accommodating
Enclosing formation cannelure between the internal perisporium of groove, spring is positioned in this cannelure and is set in heat-conducting block away from base tube central axis
One end on；The center of screwed pipe plug is provided with tube chamber；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；Bullet
Spring is connected on heat-conducting block close to one end of base tube central axis, and spring is connected to screwed pipe away from the other end of base tube central axis
On plug；Two on heat-conducting block connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug；Heat-conducting block is close to the one of base tube central axis
End is connected on the diapire of storage tank；Two connect electric mortiser post protrusion and are arranged on the other end away from base tube central axis for the heat-conducting block
On.
The present invention has positive effect：（1）Structure more compact and reasonable；Stem stem and bolt connect threadably, and
Making it clamp electric power cable by each clamp of taper electrolysis crimping of jacking sliding groove, its operation is more laborsaving；（2）At anticreep
Under the engagement locking of chisel teeth and anticreep tooth, also there is preferable anti-loosening effect.（3）Radially pass through along base tube owing to base tube is provided with
Wear the installation screw of pressure pipe portion wall body, installation screw is fixed with temperature sensing device；So the present invention also has real-time temperature
Degree monitoring function.
Brief description
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is a kind of perspective view when another angle is observed for wedge shape power line clamp shown in Fig. 1；
Fig. 3 is that the one of wedge shape power line clamp shown in Fig. 1 faces structural representation；
Fig. 4 is the A-A sectional view of Fig. 3；
Fig. 5 is a kind of perspective view of base tube in wedge shape power line clamp shown in Fig. 1；
Fig. 6 is that the one of base tube shown in Fig. 5 partly cuts open structural representation；
Fig. 7 is a kind of explosive view of wedge shape power line clamp shown in Fig. 1；
Fig. 8 is a kind of explosive view when another angle is observed for wedge shape power line clamp shown in Fig. 1；
Fig. 9 is that the one of the second structure of the present invention partly cuts open structural representation；
Figure 10 is the close-up schematic view in Fig. 9 at B；
Figure 11 is that the one of the third structure of the present invention partly cuts open structural representation；
Figure 12 is a kind of structural representation of the zero sequence current mutual inductor using wedge shape power line clamp shown in Fig. 9 to make；
Figure 13 is a kind of structural representation of the zero sequence current mutual inductor using wedge shape power line clamp shown in Figure 11 to make.
Detailed description of the invention
（Embodiment 1）
The present embodiment is a kind of wedge shape power line clamp, as shown in Fig. 1 to Fig. 8, including base tube the 1st, stem stem the 2nd, bolt 3 and cleat assembly
4；Base tube 1 includes pressure pipe portion 11 and is positioned at the shrouding portion 12 of one end, pressure pipe portion；The shape in pressure pipe portion is circular, the inwall in pressure pipe portion
Being provided with crimping boss 13, the inwall of crimping boss is provided with deep-slotted chip breaker 14.Base tube is made into integration, and crimping boss is from pressure pipe portion
Projecting radially inwards formation on inwall, crimping boss axially penetrates through the inwall in pressure pipe portion along pressure pipe portion.
In the present embodiment, pressure pipe portion is provided with four crimping boss, and this four crimping boss are uniform along the circumference in pressure pipe portion
It is distributed on the inwall in pressure pipe portion.
The two side of each crimping boss is provided with two spacing travellers 15 protruding towards center, pressure pipe portion, spacing traveller edge
Pressure pipe portion is radially arranged.
Shrouding portion 12 is provided with through wires hole 16 and spacing slide opening 17；In the present embodiment, shrouding portion is provided with a spacing slide opening
With four through wires holes；Spacing slide opening is arranged on the center in shrouding portion, and through wires hole is uniformly arranged on the outer circumferential side of spacing hole.
Stem stem be shaped as frustum, the periphery wall of stem stem is axially arranged with along pressure pipe portion four jacking sliding grooves 21, respectively pushes up
Pressure chute is additionally provided with multiple anticreep chisel teeth 22；The center of stem stem is axially arranged with centre bore 23 along pressure pipe portion.Each jacking sliding
The diapire of groove is as taper electrolysis 211.
Cleat assembly includes four clamps 41；The inwall of each clamp is provided with the guiding slide unit with jacking sliding groove adaptation
411, guide axially arranged along pressure pipe portion of slide unit；The outer wall of each clamp is provided with arc clip slot 412, the both sides of each clamp
It is additionally provided with guide chute 413 on wall；The spacing traveller of each crimping boss is positioned in a corresponding guide chute so that clamp edge
Spacing traveller direction is moved；In the present embodiment, each spacing traveller being radially arranged along pressure pipe portion, therefore clamp is only along pressure pipe
The radial direction in portion moves back and forth.
In the present embodiment, the two side of each clamp is axially respectively arranged at the two ends with a positive stop lug boss 417, these two limits
Position boss clamping forms described guide chute 413.
In the present embodiment, each slide unit that guides has the taper stress surface with stem stem jacking sliding groove bottom wall adaptation, and this taper is subject to
Power face substantially also serves as the inwall 414 of clamp；When the guiding slide unit of each clamp is positioned in stem stem jacking sliding groove, clamp
The outer wall 415 of plate is parallel with the inwall 131 of a corresponding crimping boss；A corresponding crimping boss is just arranged by each clamp,
Each arc clip slot and a corresponding deep-slotted chip breaker clamping form a clamp hole 5, and the present embodiment forms four clamp holes altogether；Shrouding portion
On each through wires hole also just corresponding clamp hole is arranged.
Stem stem is under the spacing mating reaction of the guiding slide unit of its jacking sliding groove and clamp, it is impossible in the transfer of pressure pipe portion
Dynamic, only along moving axially of pressure pipe portion.
The inwall 414 of each conical outer wall guiding slide unit namely clamp is provided with multiple anticreep tooth 416, and each anticreep tooth is used
In the anticreep chisel teeth engagement with stem stem, anti-skidding anti-retrogression.
Bolt includes that the 31st, the body of rod is arranged on the external screw thread that the 32nd, the fastening part of body of rod one end be arranged on body of rod periphery wall even
Connect portion 33 and the nut 34 with male threaded joint adaptation；The fastening position of bolt in stem stem away from the side in shrouding portion, spiral shell
The body of rod of bolt sequentially passes through the centre bore of stem stem and the spacing slide opening in shrouding portion, until male threaded joint stretches out shrouding portion, spiral shell
Cap is twisted solid on the male threaded joint of bolt stretching out shrouding portion.
The external diameter of bolt fastening part is more than the aperture of stem stem centre bore, and the external diameter of nut is more than the hole of the spacing slide opening in shrouding portion
Footpath.
Swivel bolt pulls stem stem to move towards the direction close to shrouding portion；Stem stem is by the taper crimping in jacking sliding groove
Face pushes the guiding slide unit of each clamp, and then promotes each clamp to make its being moved radially outward along pressure pipe portion, thus clamps
The electric power cable being positioned in clamp hole.
The present embodiment is in order to connect electricity or promote chuck strength on insulating power cable, also at each arc clip slot and deep-slotted chip breaker
In be provided with multiple puncture 6；Specifically, each radially protruding puncturing along base tube.The existence puncturing, can be without to insulating power
Cable carries out peeling process, can effectively connect electricity.In concrete practice, if to be clamped is bare wire, then can be not provided with puncturing.
In the present embodiment, each paw is the integral piece made by casting forming, and each puncture is made when casting forming；?
In concrete practice, puncture may be used without alternate manner and makes；It in each arc clip slot and deep-slotted chip breaker, is for example provided with multiple installation block
Groove, then installs in draw-in groove being inlaid in corresponding one by the die-cut puncture piece made；Puncture piece and include installation portion and thorn sword
Portion, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes installation draw-in groove and forms puncture.The benefit of this structure is to puncture piece
The material different with paw can be used to make, especially select and treat that same material used by clamp cable is made, be conducive to obtaining
Preferable electric property.In concrete practice, can be to use in the way of being threaded in each arc clip slot and deep-slotted chip breaker, also
Can improving clamping sigma compactness energy.
The present embodiment has following Advantageous Effects：（1）Operate more laborsaving, there is preferable anti-loosening effect.
（Embodiment 2）
The present embodiment and embodiment 1 are essentially identical, and difference is：As shown in Fig. 9 and Figure 10, the present embodiment and above-mentioned enforcement
Example 1 is essentially identical, and difference is：As shown in Fig. 9 and Figure 10, base tube 1 is provided with and extends radially through pressure pipe portion 11 wall body along base tube
Installation screw 18；This installation screw is fixed with temperature sensing device 8；
Temperature sensing device includes that the 81st, the metal shell with storage tank 811 that metal material is made is arranged in storage tank
The 83rd, the 82nd, temperature sensor be used for the screwed pipe of limit spring and block up for the spring that is crimped on temperature sensor on storage tank diapire
84；
Metal shell is provided with as puncturing the heat conduction boss 813 using close to one end 812 of base tube central axis, and metal shell is remote
It is provided with interior hexagonal from one end 814 of base tube central axis and twist groove 815；The periphery wall of metal shell is provided with fits with installation screw
The external screw thread 816 joined, the internal perisporium of storage tank is provided with internal threaded regions 817；Heat conduction boss be from metal shell close to base tube
The sharp tooth boss being formed is protruded in one end 812 of mandrel line；
Temperature sensor includes that the U-shaped that the 821st, the heat-conducting block using heat conductive insulating elastomeric material to make is arranged in heat-conducting block is temperature sensitive
Resistance the 822nd, be arranged on heat-conducting block two connect electric mortiser post 823；Heat-conducting block can reciprocatingly slide in the storage tank of metal shell；
Heat-conducting block is connected on the diapire of storage tank close to one end of base tube central axis；Two connect electric mortiser post protrusion and are arranged on heat-conducting block
On the other end away from base tube central axis；
Formation cannelure is enclosed between the external diameter of the other end away from base tube central axis for the heat-conducting block and the internal perisporium of storage tank
100, spring is positioned in this cannelure and is set on heat-conducting block one end away from base tube central axis；
The periphery wall of screwed pipe plug one end close to base tube central axis is provided with external screw thread district 841, this external screw thread district and metal
The internal threaded regions 817 of housing is adapted to；The periphery wall of screwed pipe plug one end away from base tube central axis is provided with outer-hexagonal and twists
Portion 842；The center of screwed pipe plug is provided with tube chamber 843；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；
Spring is connected on heat-conducting block close to one end of base tube central axis, and spring abuts away from the other end of base tube central axis
On screwed pipe plug；On heat-conducting block two connect electric mortiser post and are positioned in the tube chamber 843 of screwed pipe plug.
This structure has the following advantages, owing to metal shell is easily deformed when extruding cable, and extrusion temperature sensor
Heat-conducting block, if heat-conducting block does not has mobile space, then easy pressurized deformation damages；The present embodiment, can by arranging spring
Heat-conducting block is crimped on the diapire of metal shell storage tank so that it is can correctly predict cable and junction, base tube pressure pipe portion
Real time temperature；Mobile space can also be reserved to heat-conducting block, thus prevents heat-conducting block by pressurized after when metal shell compressive deformation
Damage；This structure has preferably Practical Performance.
In concrete practice, multiple installation screw and multiple temperature sensing device can be set on base tube, for often
One cable and the temperature with junction, base tube pressure pipe portion monitor in real time, thus realize the further intelligence that power network monitoring runs
Energyization.
（Embodiment 3）
The present embodiment and embodiment 2 are essentially identical, and difference is：As shown in Figure 11, bolt no longer includes nut 34, this reality
Execute example in the spacing slide opening in shrouding portion, be provided for the internal threaded regions 171 with bolt male threaded joint adaptation；The bar of bolt
Body passes through the centre bore of stem stem, and the male threaded joint of bolt and this internal threaded regions are spirally connected.
The present embodiment saves a nut, and structure more simplifies.
（Application examples 1）
The present embodiment is a kind of high pressure zero sequence current mutual inductor using above-described embodiment 2 to make；As shown in Figure 12, the present embodiment
It on the basis of above-described embodiment 2, is also provided with a current transformer 7.
This current transformer includes toroidal inductive body 71 and intelligent control module 72；In the present embodiment, Based Intelligent Control mould
Block 72 is made has the ring-type of onesize vestibule with toroidal inductive body, and annular perception sensing body and intelligent control module are simultaneously
Row arranges combination and forms annular, on the overall sheathed outer wall being fixed on base tube of current transformer.In concrete practice, as long as making
All clamp holes are positioned in the vestibule of toroidal inductive body, namely have only to so that cable passes through the hole of toroidal inductive body
Chamber.
The present embodiment has four clamp holes, but in concrete practice, can only clamp one or three electric power cables；When
During one electric power cable of clamping, toroidal inductive body may be used for induced-current or voltage signal, now can be general as one
Logical curtage transformer uses；When clamping three electric power cables, toroidal inductive body may be used for sensing zero sequence electricity
Stream signal, finds leak current fault in time, now can use as a zero sequence current mutual inductor；The present embodiment is to select clamping
Article three, electric power cable, namely use as a high pressure zero sequence current mutual inductor.
Intelligent control module can include wireless transmit/receive units, and intelligent control module is felt annular by wireless transmit/receive units
The current signal answering body to sense sends distance host to, to realize the long-range no worker monitor of precision.
The internal perisporium of intelligent control module 72 is provided with inwardly projecting two and connects electric bushing（It is not drawn on figure）, respectively connect electricity
Socket inserts corresponding one and connects in electric bushing, so that temperature sensor is connected with the middle control circuit in intelligent control module.
（Application examples 2）
The present embodiment is a kind of high pressure zero sequence current mutual inductor using above-described embodiment 3 to make；As shown in Figure 13, the present embodiment
It on the basis of above-described embodiment 3, is also provided with a current transformer 7.
This current transformer includes toroidal inductive body 71 and intelligent control module 72；In the present embodiment, Based Intelligent Control mould
Block 72 is made has the ring-type of onesize vestibule with toroidal inductive body, and annular perception sensing body and intelligent control module are simultaneously
Row arranges combination and forms annular, on the overall sheathed outer wall being fixed on base tube of current transformer.In concrete practice, as long as making
All clamp holes are positioned in the vestibule of toroidal inductive body, namely have only to so that cable passes through the hole of toroidal inductive body
Chamber.
The present embodiment has four clamp holes, but in concrete practice, can only clamp one or three electric power cables；When
During one electric power cable of clamping, toroidal inductive body may be used for induced-current or voltage signal, now can be general as one
Logical curtage transformer uses；When clamping three electric power cables, toroidal inductive body may be used for sensing zero sequence electricity
Stream signal, finds leak current fault in time, now can use as a zero sequence current mutual inductor；The present embodiment is to select clamping
Article three, electric power cable, namely use as a high pressure zero sequence current mutual inductor.
Intelligent control module can include wireless transmit/receive units, and intelligent control module is felt annular by wireless transmit/receive units
The current signal answering body to sense sends distance host to, to realize the long-range no worker monitor of precision.
The internal perisporium of intelligent control module 72 is provided with inwardly projecting two and connects electric bushing（It is not drawn on figure）, respectively connect electricity
Socket inserts corresponding one and connects in electric bushing, so that temperature sensor is connected with the middle control circuit in intelligent control module.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, also may be used on the basis of the above description
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these
Belong to the obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.
Claims (1)
1. a Novel wedge-shaped power line clamp, it is characterised in that：Including base tube, stem stem, bolt and cleat assembly；Base tube includes pressure
Pipe portion and shrouding portion；Shrouding portion and pressure pipe portion are relatively fixed setting；Shrouding portion is provided with spacing slide opening and through wires hole；Pressure pipe portion interior
Wall is provided with crimping boss；The periphery wall of stem stem is provided with taper electrolysis；During the center of stem stem is axially arranged with along pressure pipe portion
Heart hole；Cleat assembly includes clamp；The inwall of clamp is provided with for spacing stem stem along leading that pressure pipe portion axial reciprocating moves
To slide unit；Each clamp is provided with the guide chute radially moving back and forth for spacing clamping plate along pressure pipe portion；On each crimping boss
It is provided with the spacing traveller with guide chute adaptation；A corresponding crimping boss is just arranged by clamp, each clamp and corresponding one
Individual crimping boss clamping forms a clamp hole；Each through wires hole in shrouding portion connects with a corresponding clamp hole；Bolt includes
The body of rod, the fastening part being arranged on body of rod one end, the male threaded joint being arranged on the body of rod and and male threaded joint adaptation
Nut；The fastening position of bolt in stem stem away from the side in shrouding portion, the body of rod of bolt sequentially pass through stem stem centre bore and
The spacing slide opening in shrouding portion, nut is twisted solid on the male threaded joint that bolt stretches out spacing slide opening；The external diameter of bolt fastening part
More than the aperture of stem stem centre bore, the external diameter of nut is more than the aperture of the spacing slide opening in shrouding portion；When the quantity of crimping boss is many
When individual, crimping boss is evenly distributed on the inwall in pressure pipe portion along the circumference in pressure pipe portion；Crimping boss is from the inwall in pressure pipe portion
Projecting radially inwards formation, crimping boss axially penetrates through the inwall in pressure pipe portion along pressure pipe portion；Swivel bolt pull stem stem towards
Move close to the direction in shrouding portion；Stem stem pushes the guiding slide unit of each clamp by taper electrolysis, and then promotes each clamp
Plate makes its being moved radially outward along pressure pipe portion, thus clamps the electric power cable being positioned in clamp hole；Base tube is provided with along base tube footpath
To the installation screw running through pressure pipe portion wall body；This installation screw is fixed with temperature sensing device；Temperature sensing device includes
The metal shell with storage tank, the temperature sensor being arranged in storage tank, for temperature sensor is crimped on storage tank
Spring on diapire and the screwed pipe plug for limit spring；Temperature sensor includes using heat conductive insulating elastomeric material to make
Heat-conducting block, the thermo-sensitive resistor being arranged in heat-conducting block, be arranged on heat-conducting block two connect electric mortiser post；Heat-conducting block can be at metal-back
The storage tank of body reciprocatingly slides；Between the external diameter of the other end away from base tube central axis for the heat-conducting block and the internal perisporium of storage tank
Enclosing formation cannelure, spring is positioned in this cannelure and is set on heat-conducting block one end away from base tube central axis；Screwed pipe
The center of plug is provided with tube chamber；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；Spring is close in base tube
One end of mandrel line is connected on heat-conducting block, and spring is connected on screwed pipe plug away from the other end of base tube central axis；Heat conduction
Two on block connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug；Heat-conducting block is connected to house close to one end of base tube central axis
On the diapire of groove；Two connect electric mortiser post protrusion and are arranged on the other end away from base tube central axis for the heat-conducting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280422.8A CN106451285A (en) | 2016-05-02 | 2016-05-02 | Novel wedge-shaped power line clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280422.8A CN106451285A (en) | 2016-05-02 | 2016-05-02 | Novel wedge-shaped power line clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451285A true CN106451285A (en) | 2017-02-22 |
Family
ID=58183159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610280422.8A Withdrawn CN106451285A (en) | 2016-05-02 | 2016-05-02 | Novel wedge-shaped power line clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451285A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2498833A1 (en) * | 1981-01-29 | 1982-07-30 | Saae | Anchoring block for electrical cable - has two shaped wedges gripping cable in semicircular channel between them |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
-
2016
- 2016-05-02 CN CN201610280422.8A patent/CN106451285A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2498833A1 (en) * | 1981-01-29 | 1982-07-30 | Saae | Anchoring block for electrical cable - has two shaped wedges gripping cable in semicircular channel between them |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170222 |