CN106711637A - Novel wedge-shaped power line clamp - Google Patents
Novel wedge-shaped power line clamp Download PDFInfo
- Publication number
- CN106711637A CN106711637A CN201610280374.2A CN201610280374A CN106711637A CN 106711637 A CN106711637 A CN 106711637A CN 201610280374 A CN201610280374 A CN 201610280374A CN 106711637 A CN106711637 A CN 106711637A
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- China
- Prior art keywords
- clamp
- base tube
- pressure pipe
- pipe portion
- stem
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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
- H01F38/24—Voltage transformers
- H01F38/26—Constructions
-
- 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
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- 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
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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
-
- 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)
- Supports For Pipes And Cables (AREA)
Abstract
The invention discloses a novel wedge-shaped power line clamp. The novel wedge-shaped power line clamp comprises a base tube, a core column, a bolt and a clamping plate assembly, wherein the base tube comprises a tube pressing part and a plate sealing part; the plate sealing part and the tube pressing part are relatively fixed; the plate sealing part is provided with a limiting sliding hole and a threading hole; pressing joint lug bosses are arranged on an inner wall of the tube pressing part; a tapered pressing joint face is arranged on a peripheral wall of the core column; a central hole is formed in the center of the core column along the axial direction of the tube pressing part; the clamping plate assembly comprises line clamping plates; the inner wall of each line clamping plate is provided with a guide sliding platform for limiting the core column to do reciprocating motion along the axial direction of the tube pressing part; each line clamping plate is provided with a guide sliding groove for limiting a clamping plate to do the reciprocating motion along the radial direction of the tube pressing part; each pressing joint lug boss is provided with a limiting sliding column adaptive to the corresponding guide sliding groove; each line clamping plate is arranged in a manner of aligning one corresponding pressing joint lug boss; a rotary bolt pushes each line clamping plate to move along the radial direction of the tube pressing part; the base tube is provided with a mounting screw hole which penetrates through a wall body of the tube pressing part along the radial direction of the base tube; the mounting screw hole is internally fixedly provided with a temprature sensing device. The novel wedge-shaped power line clamp has a relatively compact and reasonable structure and is easy to mount.
Description
Technical field
The invention belongs to electric armour clamp technical field, and in particular 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 when bunched cable is maked somebody a mere figurehead and fixed on utility poles
Use strain clamp.Chinese patent 03210522.3 discloses a kind of four-core centralized cable strain clamp, is matched somebody with somebody in pairs using two
The voussoir of conjunction clamp cable core penetrate the wedge cavities of wire clamp again in be tensioned, wedge-like engagement can make cable open tighter and tighter, also not
Fragile core.But, clamping wire using two voussoirs for coordinating in pairs may produce Relative sliding, and influence clamping is reliable
Property.This strain clamp is also needed parallel four-core centralized cable to being twisted into square when mounted, and installed in the same of wire clamp
In individual wedge cavities, more bothersome to turning round, generally requiring many people could complete, and not enough facilitate.And, general strain clamp is all
Manufactured using metal, weight is big, high cost, it is also possible to corrosion, built on stilts installation operation is relatively elaborate, reduces efficiency of construction.
The content of the invention
It is an object of the invention to provide a kind of structure more compact and reasonable and the new wedge with real time temperature monitoring function
Shape power line clamp.
Realizing the technical scheme of the object of the invention is:A kind of novel wedge-shaped power line clamp, including base tube, 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 threading hole;The inwall in pressure pipe portion is provided with crimping boss;The periphery wall of stem is provided with taper electrolysis;The center of 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 along pressure pipe
The guiding slide unit of portion's axial reciprocating movement;Each clamp is provided with the guiding radially moved back and forth along pressure pipe portion for spacing clamping plate
Chute;Each crimping boss is provided with the spacing traveller being adapted to guide chute;Clamp is just set to a corresponding crimping boss,
Each clamp and corresponding crimping boss clamping form a clamp hole;Each threading hole and a corresponding clamp in shrouding portion
Hole connects;Bolt includes the body of rod, the fastening part for being arranged on body of rod one end, the male threaded joint that is arranged on the body of rod and and outer
The nut of threaded joints adaptation;The fastening position of bolt in stem away from shrouding portion side, the body of rod of bolt sequentially passes through
The centre bore of stem and the spacing slide opening in shrouding portion, nut are 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 centre bore, the aperture of the external diameter more than the spacing slide opening in shrouding portion of nut;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
Project radially inwards to be formed on the inwall in pressure pipe portion, crimping boss axially penetrates through the inwall in pressure pipe portion along pressure pipe portion;Rotation spiral shell
Bolt pulls stem to be moved towards the direction close to shrouding portion;Stem pushes the guiding slide unit of each clamp by taper electrolysis,
And then each clamp of promotion makes its being moved radially outward along pressure pipe portion, so as to clamp the electric power cable in clamp hole;Base
Pipe is provided with the installation screw that pressure pipe portion wall body is extended radially through along base tube;Temperature sensing device is fixed with the installation screw;Temperature
Degree sensing device includes the metal shell with storage tank, the temperature sensor being arranged in storage tank, for by TEMP
Device is crimped on the spring in accommodating groove bottom wall 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, two be arranged on heat-conducting block connect electric mortiser post;Lead
Hot block can reciprocatingly slide in the storage tank of metal shell;Heat-conducting block is away from the external diameter of the other end of base tube central axis and accommodating
Enclose to form annular groove between the internal perisporium of groove, spring is located in the annular groove 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 annular groove by its external screw thread area;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 electric mortiser post and are located in the tube chamber of screwed pipe plug;Metal shell is close to base tube central axis
One end is provided with the heat conduction boss used as puncture, and metal shell is provided with interior hexagonal and twists away from one end of base tube central axis
Groove;The periphery wall of metal shell is provided with the external screw thread being adapted to installation screw, and the internal perisporium of storage tank is provided with internal threaded regions;
Heat conduction boss is to protrude the sharp tooth boss to be formed close to one end of base tube central axis from metal shell;Screwed pipe plug is close to base
The periphery wall of one end of tube hub axis is provided with external screw thread area, the internal threaded regions adaptation of the external screw thread area and metal shell.
The present invention has positive effect:(1)Structure more compact and reasonable;Stem and bolt are threadably connected, and are passed through
The taper electrolysis of top pressure chute crimp each clamp makes it clamp electric power cable, and its operation is more laborsaving;(2)In anticreep wedge shape
Under the engagement locking of tooth and anticreep tooth, also with preferable anti-loosening effect.(3)Because base tube is provided with pressure is extended radially through along base tube
The installation screw of pipe portion wall body, is fixed with temperature sensing device in installation screw;So the present invention is also supervised with real time temperature
Control function.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the first structure of the invention;
Fig. 2 be wedge-shaped power line clamp shown in Fig. 1 from another angle observe when a kind of dimensional structure diagram;
Fig. 3 is a kind of positive structure diagram of wedge-shaped power line clamp shown in Fig. 1;
Fig. 4 is the A-A sectional views of Fig. 3;
Fig. 5 is a kind of dimensional structure diagram of base tube in wedge-shaped power line clamp shown in Fig. 1;
Fig. 6 is a kind of half-sectional structural representation of base tube shown in Fig. 5;
Fig. 7 is a kind of explosive view of wedge-shaped power line clamp shown in Fig. 1;
Fig. 8 be wedge-shaped power line clamp shown in Fig. 1 from another angle observe when a kind of explosive view;
Fig. 9 is a kind of half-sectional structural representation of second structure of the invention;
Figure 10 is the close-up schematic view at B in Fig. 9;
Figure 11 is a kind of half-sectional structural representation of the third structure of the invention;
Figure 12 is a kind of structural representation of the zero sequence current mutual inductor being made of wedge-shaped power line clamp shown in Fig. 9;
Figure 13 is a kind of structural representation of the zero sequence current mutual inductor being made of wedge-shaped power line clamp shown in Figure 11.
Specific embodiment
(Embodiment 1)
The present embodiment is a kind of wedge-shaped power line clamp, as shown in Fig. 1 to Fig. 8, including base tube 1, stem 2, bolt 3 and cleat assembly
4;Base tube 1 includes pressure pipe portion 11 and the shrouding portion 12 positioned at pressure pipe portion one end;The shape in pressure pipe portion is circular, the inwall in pressure pipe portion
Crimping boss 13 is provided with, the inwall for crimping boss is provided with deep-slotted chip breaker 14.Base tube is made into integration, and crimps boss from pressure pipe portion
Project radially inwards to be formed 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 four crimping boss are along the circumferential uniform of 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 towards pressure pipe portion center protrusion, spacing traveller edge
Pressure pipe portion is radially arranged.
Shrouding portion 12 is provided with threading hole 16 and spacing slide opening 17;In the present embodiment, shrouding portion is provided with a spacing slide opening
With four threading holes;Spacing slide opening is arranged on the center in shrouding portion, and threading hole is uniformly arranged on the outer circumferential side of spacing hole.
Stem is shaped as frustum, on the periphery wall of stem is axially arranged with four top pressure chutes 21 along pressure pipe portion, each top
Multiple anticreep chisel teeths 22 are additionally provided with pressure chute;The center of stem is axially arranged with centre bore 23 along pressure pipe portion.Each jacking sliding
The bottom wall of groove is used as taper electrolysis 211.
Cleat assembly includes four clamps 41;The inwall of each clamp is provided with the guiding slide unit being adapted to top pressure chute
411, slide unit is oriented to along the axially arranged of pressure pipe portion;The outer wall of each clamp is provided with arc clip slot 412, the both sides of each clamp
Guide chute 413 is additionally provided with wall;The spacing traveller of each crimping boss is located in a corresponding guide chute so that clamp edge
Spacing traveller direction movement;In the present embodiment, each spacing traveller being radially arranged along pressure pipe portion, therefore clamp can only be along pressure pipe
The radial direction in portion is moved back and forth.
In the present embodiment, the axial direction on the two side of each clamp is respectively arranged at the two ends with a positive stop lug boss 417, this two limits
Position boss clamping forms the guide chute 413.
Each to be oriented to the taper stress surface that slide unit has and stem jacking sliding groove bottom wall is adapted in the present embodiment, the taper is received
Power face substantially also serves as the inwall 414 of clamp;When the guiding slide unit of each clamp is located in stem top pressure chute, clamp
The outer wall 415 of plate is parallel with the inwall 131 of a corresponding crimping boss;Each clamp is just set to a corresponding crimping boss,
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 threading hole also just to a corresponding clamp hole set.
Stem is under the spacing mating reaction of its top pressure chute and the guiding slide unit of clamp, it is impossible in the transfer of pressure pipe portion
It is dynamic, can only be along the axial movement in pressure pipe portion.
The inwall 414 of each conical outer wall for being oriented to slide unit namely clamp is provided with multiple anticreep teeth 416, and each anticreep tooth is used
In the anticreep chisel teeth engagement with stem, anti-skidding anti-retrogression.
Bolt connects including the body of rod 31, the fastening part 32 for being arranged on body of rod one end, the external screw thread being arranged on body of rod periphery wall
Socket part 33 and the nut 34 being adapted to male threaded joint;The fastening position of bolt in stem away from shrouding portion side, spiral shell
The body of rod of bolt sequentially passes through the centre bore of 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 for stretching out shrouding portion.
The external diameter of bolt fastening part is more than the aperture of stem centre bore, the hole of the external diameter more than the spacing slide opening in shrouding portion of nut
Footpath.
Swivel bolt pulls stem to be moved towards the direction close to shrouding portion;Stem is crimped by the taper in top pressure chute
Face pushes the guiding slide unit of each clamp, and then each clamp of promotion makes its being moved radially outward along pressure pipe portion, so as to clamp
Electric power cable in clamp hole.
The present embodiment in order to connect from insulating power cable electricity or lifting chuck strength, also in each arc clip slot and deep-slotted chip breaker
In be provided with and multiple puncture 6;Specifically, it is each to puncture along the radially protruding of base tube.The presence of puncture, can be without to insulating power
Cable carries out peeling treatment, you can effectively connect electricity.In concrete practice, if what is clamped is bare wire, can be not provided with puncturing.
In the present embodiment, each paw is the integral piece being made up of casting forming, and each puncture is made in casting forming;
In concrete practice, puncture can be also made of other manner;Multiple installation is for example provided with each arc clip slot and deep-slotted chip breaker to block
Groove, is then inlaid in the puncture piece being made up of punching in corresponding installation draw-in groove;Puncturing piece includes 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
Can be made of the material different with paw, especially select and treat clamp cable used by same material be made, be conducive to obtain
Preferable electric property.In concrete practice, can also using by the way of being threaded in each arc clip slot and deep-slotted chip breaker,
Can improving clamping sigma compactness energy.
The present embodiment has following Advantageous Effects:(1)Operation is more laborsaving, with 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 implementation
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 the wall body of pressure pipe portion 11 along base tube
Installation screw 18;Temperature sensing device 8 is fixed with the installation screw;
The metal shell 81 with storage tank 811 that temperature sensing device is made including metal material, it is arranged in storage tank
Temperature sensor 82, for temperature sensor is crimped in accommodating groove bottom wall spring 83, block up for the screwed pipe of limit spring
First 84;
Metal shell is provided with the heat conduction boss 813 used as puncture close to one end 812 of base tube central axis, and metal shell is remote
Interior hexagonal is provided with from one end 814 of base tube central axis twist groove 815;The periphery wall of metal shell is provided with suitable with installation screw
The external screw thread 816 matched somebody with somebody, the internal perisporium of storage tank is provided with internal threaded regions 817;Heat conduction boss be from metal shell close in base tube
The sharp tooth boss that the protrusion of one end 812 of heart axis is formed;
Temperature sensor includes that the heat-conducting block 821 being made of heat conductive insulating elastomeric material, the U-shaped being arranged in heat-conducting block are temperature sensitive
Resistance 822, two be arranged on heat-conducting block 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 bottom wall 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
Away from the other end of base tube central axis;
Heat-conducting block encloses to form annular groove away between the external diameter of the other end of base tube central axis and the internal perisporium of storage tank
100, spring is located in the annular groove and is set in heat-conducting block away from one end of base tube central axis;
Screwed pipe plug is provided with external screw thread area 841 close to the periphery wall of one end of base tube central axis, the external screw thread area and metal
The internal threaded regions 817 of housing are adapted to;Screwed pipe plug is provided with outer-hexagonal and twists away from the periphery wall of one end of base tube central axis
Portion 842;The center of screwed pipe plug is provided with tube chamber 843;Screwed pipe plug is fixedly installed in annular groove by its external screw thread area;
Spring is connected on heat-conducting block close to one end of base tube central axis, and spring is abutted away from the other end of base tube central axis
On screwed pipe plug;Two on heat-conducting block connect electric mortiser post and are located in the tube chamber 843 of screwed pipe plug.
This structure has advantages below, because metal shell is easily deformed when cable is extruded, extrusion temperature sensor
Heat-conducting block, if heat-conducting block does not have a mobile space, easy compression deformation is damaged;The present embodiment, can by setting spring
Heat-conducting block is crimped on the bottom wall of metal shell storage tank, cable and base tube pressure pipe portion junction can be correctly predicted
Real time temperature;Mobile space can also be reserved to heat-conducting block, so as to prevent heat-conducting block to be pressurized after when metal shell compressive deformation
Damage;This structure has preferably Practical Performance.
In concrete practice, multiple installation screws and multiple temperature sensing devices can be set on base tube, for every
One cable and monitor in real time is carried out with the temperature of base tube pressure pipe portion junction, so as to realize the further intelligence of power network monitoring operation
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
Apply the internal threaded regions 171 that example is provided for being adapted to bolt male threaded joint in the spacing slide opening in shrouding portion;The bar of bolt
Through the centre bore of stem, the male threaded joint of bolt and the internal threaded regions are spirally connected body.
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 being made of above-described embodiment 2;As shown in Figure 12, the present embodiment
On the basis of above-described embodiment 2, a current transformer 7 is also provided with.
The current transformer includes toroidal inductive body 71 and intelligent control module 72;In the present embodiment, Based Intelligent Control mould
Block 72 makes the ring-type for having onesize vestibule with toroidal inductive body, and annular perception sensing body and intelligent control module are simultaneously
Row sets combination and forms annular, and current transformer is integrally arranged on the outer wall for being fixed on base tube.In concrete practice, as long as so that
All clamp hole positions are in the vestibule of toroidal inductive body, namely only need to cause cable 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
When clamping an electric power cable, toroidal inductive body can be used for induced-current or voltage signal, now can be general as one
Logical curtage transformer is used;When three electric power cables are clamped, toroidal inductive body can be used for sensing zero sequence electricity
Stream signal, finds leak current fault in time, can now be used as a zero sequence current mutual inductor;The present embodiment is that selection is clamped
Three electric power cables, namely used as a high pressure zero sequence current mutual inductor.
Intelligent control module can include wireless transmit/receive units, and intelligent control module feels annular by wireless transmit/receive units
The current signal for 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
Corresponding one of socket insertion connects 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 being made of above-described embodiment 3;As shown in Figure 13, the present embodiment
On the basis of above-described embodiment 3, a current transformer 7 is also provided with.
The current transformer includes toroidal inductive body 71 and intelligent control module 72;In the present embodiment, Based Intelligent Control mould
Block 72 makes the ring-type for having onesize vestibule with toroidal inductive body, and annular perception sensing body and intelligent control module are simultaneously
Row sets combination and forms annular, and current transformer is integrally arranged on the outer wall for being fixed on base tube.In concrete practice, as long as so that
All clamp hole positions are in the vestibule of toroidal inductive body, namely only need to cause cable 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
When clamping an electric power cable, toroidal inductive body can be used for induced-current or voltage signal, now can be general as one
Logical curtage transformer is used;When three electric power cables are clamped, toroidal inductive body can be used for sensing zero sequence electricity
Stream signal, finds leak current fault in time, can now be used as a zero sequence current mutual inductor;The present embodiment is that selection is clamped
Three electric power cables, namely used as a high pressure zero sequence current mutual inductor.
Intelligent control module can include wireless transmit/receive units, and intelligent control module feels annular by wireless transmit/receive units
The current signal for 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
Corresponding one of socket insertion connects 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 intended to clearly illustrate 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, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to be exhaustive to all of implementation method.And these
Belong to obvious change that connotation of the invention extends out or variation still falls within protection scope of the present invention.
Claims (1)
1. a kind of novel wedge-shaped power line clamp, it is characterised in that:Including base tube, 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 threading hole;Pressure pipe portion it is interior
Wall is provided with crimping boss;The periphery wall of stem is provided with taper electrolysis;During the center of 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 along leading that pressure pipe portion axial reciprocating is moved
To slide unit;Each clamp is provided with the guide chute radially moved back and forth along pressure pipe portion for spacing clamping plate;On each crimping boss
It is provided with the spacing traveller being adapted to guide chute;Clamp is just set to a corresponding crimping boss, each clamp and corresponding
The clamping of individual crimping boss forms a clamp hole;Each threading hole in shrouding portion is connected with a corresponding clamp hole;Bolt includes
The body of rod, the fastening part for being arranged on body of rod one end, the male threaded joint being arranged on the body of rod and with male threaded joint be adapted to
Nut;The fastening position of bolt in stem away from shrouding portion side, the body of rod of bolt sequentially pass through 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 centre bore, the aperture of the external diameter more than the spacing slide opening in shrouding portion of nut;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
Project radially inwards to be formed, crimping boss axially penetrates through the inwall in pressure pipe portion along pressure pipe portion;Swivel bolt pull stem towards
Move in direction close to shrouding portion;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, so as to clamp the electric power cable in clamp hole;Base tube is provided with along base tube footpath
To the installation screw through pressure pipe portion wall body;Temperature sensing device is fixed with the installation screw;Temperature sensing device includes
Metal shell with storage tank, the temperature sensor being arranged in storage tank, for temperature sensor to be crimped on into storage tank
Spring on bottom wall and the screwed pipe plug for limit spring;Temperature sensor includes what is be made of heat conductive insulating elastomeric material
Heat-conducting block, the thermo-sensitive resistor being arranged in heat-conducting block, two be arranged on heat-conducting block connect electric mortiser post;Heat-conducting block can be in metal-back
Reciprocatingly slided in the storage tank of body;Heat-conducting block is away between the external diameter of the other end of base tube central axis and the internal perisporium of storage tank
Enclose to form annular groove, spring is located in the annular groove and is set in heat-conducting block away from one end of base tube central axis;Screwed pipe
The center of plug is provided with tube chamber;Screwed pipe plug is fixedly installed in annular groove by its external screw thread area;Spring is close in base tube
One end of heart axis 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 electric mortiser post and are located in the tube chamber of screwed pipe plug;Metal shell is provided with conduct close to one end of base tube central axis
The heat conduction boss that puncture is used, metal shell is provided with interior hexagonal and twists groove away from one end of base tube central axis;Metal shell
Periphery wall is provided with the external screw thread being adapted to installation screw, and the internal perisporium of storage tank is provided with internal threaded regions;Heat conduction boss be from
Metal shell protrudes the sharp tooth boss to be formed close to one end of base tube central axis;Screwed pipe plug is close to base tube central axis
The periphery wall of one end is provided with external screw thread area, the internal threaded regions adaptation of the external screw thread area and metal shell.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610280374.2A CN106711637A (en) | 2016-05-02 | 2016-05-02 | Novel wedge-shaped power line clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610280374.2A CN106711637A (en) | 2016-05-02 | 2016-05-02 | Novel wedge-shaped power line clamp |
Publications (1)
Publication Number | Publication Date |
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CN106711637A true CN106711637A (en) | 2017-05-24 |
Family
ID=58939681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610280374.2A Withdrawn CN106711637A (en) | 2016-05-02 | 2016-05-02 | Novel wedge-shaped power line clamp |
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CN (1) | CN106711637A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108448413A (en) * | 2018-04-28 | 2018-08-24 | 衢州职业技术学院 | The electrical cabinet of easy access, assembly |
CN108493795A (en) * | 2018-04-28 | 2018-09-04 | 衢州职业技术学院 | Multifunctional power distribution cabinet |
CN108599053A (en) * | 2018-05-28 | 2018-09-28 | 衢州职业技术学院 | Terminal box with connecting terminal components |
CN108631238A (en) * | 2018-05-28 | 2018-10-09 | 衢州职业技术学院 | Electrical junction box |
CN108666777A (en) * | 2018-04-28 | 2018-10-16 | 衢州职业技术学院 | Wiring cabinet with rotary type connecting terminal |
CN108683137A (en) * | 2018-05-28 | 2018-10-19 | 衢州职业技术学院 | Wire or cable terminal box |
-
2016
- 2016-05-02 CN CN201610280374.2A patent/CN106711637A/en not_active Withdrawn
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108448413A (en) * | 2018-04-28 | 2018-08-24 | 衢州职业技术学院 | The electrical cabinet of easy access, assembly |
CN108493795A (en) * | 2018-04-28 | 2018-09-04 | 衢州职业技术学院 | Multifunctional power distribution cabinet |
CN108666777A (en) * | 2018-04-28 | 2018-10-16 | 衢州职业技术学院 | Wiring cabinet with rotary type connecting terminal |
CN108448413B (en) * | 2018-04-28 | 2020-12-22 | 南京奥博电气有限公司 | Electrical cabinet convenient to overhaul and assemble |
CN108666777B (en) * | 2018-04-28 | 2021-02-26 | 大同煤矿集团机电装备天晟电气有限公司 | Wiring cabinet with rotary type wiring terminal |
CN108599053A (en) * | 2018-05-28 | 2018-09-28 | 衢州职业技术学院 | Terminal box with connecting terminal components |
CN108631238A (en) * | 2018-05-28 | 2018-10-09 | 衢州职业技术学院 | Electrical junction box |
CN108683137A (en) * | 2018-05-28 | 2018-10-19 | 衢州职业技术学院 | Wire or cable terminal box |
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Application publication date: 20170524 |