CN105552803A - Line clamp for splicing power line - Google Patents
Line clamp for splicing power line Download PDFInfo
- Publication number
- CN105552803A CN105552803A CN201610097171.XA CN201610097171A CN105552803A CN 105552803 A CN105552803 A CN 105552803A CN 201610097171 A CN201610097171 A CN 201610097171A CN 105552803 A CN105552803 A CN 105552803A
- Authority
- CN
- China
- Prior art keywords
- slip pipe
- paw
- plane nut
- plane
- matrix
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- 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
-
- 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
-
- 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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
Landscapes
- Clamps And Clips (AREA)
Abstract
The invention discloses a line clamp for splicing a power line. The line clamp comprises a basal body, a plane nut and a set of pressure claw assemblies; the pressure claw assemblies include three pressure claws; the basal body is provided with a sliding tube, a stop table and three radial guide limiting holes, wherein the stop table is arranged on the outer peripheral wall of the sliding tube and formed by outwardly protruding along the radial direction of the sliding tube; the three radial guide limiting holes are arranged on the sliding tube; the stop table and the radial guide limiting holes are positioned at two axial ends of the sliding tube of the basal body; each pressure claw is positioned in a corresponding radial guide limiting hole; the plane nut sleeves the outer peripheral wall of the sliding tube of the basal body; each pressure claw is provided with a pressure plate part, a guide sliding block part and a driving threaded part; a fastening part is arranged on the outer peripheral wall of the plane nut; a plane threaded part is arranged at one side end of the plane nut away from the stop table; the plane threaded part is meshed and adaptive to the driving threaded part of each pressure claw; the plane nut drives the plane threaded part to rotate in a reciprocating manner; and thus, the driving threaded part meshed and adaptive to the plane threaded part drives various pressure claws to be close or far away towards the centre of the sliding tube. The line clamp disclosed by the invention has the excellent anti-loose effect.
Description
Technical field
The invention belongs to overhead transmission line electric armour clamp technical field, be specifically related to a kind of power circuit connecting clip.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need with power circuit connecting clip, two insulated conductors to be linked together.Power circuit connecting clip has simple installation, low cost, safe and reliable non-maintaining feature.Without the need to blocking leader cable, can doing cable branch without the need to the insulating barrier peelling off cable, joint insulate completely, can live line working, can do on-the-spot branch in cable optional position; Do not need to use termination rack, coupling box; And joint warp resistance, shockproof, waterproof, anticorrosion are aging; Use insulating power circuit connecting clip to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional coupling arrangement in the past.
Traditional power circuit connecting clip is primarily of enhancing housing, piercing blade, waterproof silicone grease, high-strength bolt and nut composition, and the preferred torque nut of its nut, its structure is comparatively ripe, also obtains applying comparatively widely.But conventional electric power circuit connecting clip also Shortcomings part, the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily loosens.
Summary of the invention
The object of this invention is to provide one and there is better anti-loosening effect, effectively ensure fastness to be installed, power circuit connecting clip stable and reliable for performance.
The technical scheme realizing the object of the invention is: a kind of power circuit connecting clip, and comprise matrix, a plane nut and a set of paw assembly, paw assembly comprises three paws; Matrix be provided with slip pipe, one be arranged on the gear platform formed along the radial evagination of slip pipe on slip pipe periphery wall and three radially-directed spacing holes be arranged on slip pipe; Gear platform and radially-directed spacing hole are positioned at matrix slip pipe two ends axially; Each paw is arranged in a corresponding radially-directed spacing hole, and the radial direction of each paw along matrix slip pipe under the guide and limit effect of radially-directed spacing hole reciprocatingly slides; Plane nut is ring-type, and plane nut sleeve is located on the periphery wall of matrix slip pipe, and between gear platform and paw; Each paw is provided with pressing plate portion, along the radial guide runner portion extended to form of matrix slip pipe and the driving threaded portion be arranged in guide runner portion; The periphery wall of plane nut is provided with fastening part, and plane nut is provided with flat thread portion away from a side of gear platform, and adaptation then engages with the driving threaded portion of each paw in flat thread portion; During plane nut reciprocating rotation, drive its flat thread portion reciprocating rotation, so by the driving threaded portion of engaging adaptation with it drive each paw towards slip pipe center close to each other or away from.
The present invention has positive effect: (1) the present invention drives paw clamping electric power cable by flat thread portion, compare with by traditional bolt assembly clamping electric power cable, larger pressure can be applied, and there is excellent anti-loosening effect, effectively ensure the reliability of long-term work.(2) the present invention is by being arranged on the center of power circuit connecting clip cable clamping, and its gravity centre distribution is comparatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention;
Fig. 2 is for wire clamp shown in Fig. 1 is from a kind of perspective view during another angle views;
A kind of front view that Fig. 3 is wire clamp shown in Fig. 1;
Fig. 4 partly cuts open structural representation for the one of wire clamp shown in Fig. 1;
A kind of explosive view that Fig. 5 is wire clamp shown in Fig. 1;
Fig. 6 is a kind of explosive view during another angle views of cable clamp type shown in Fig. 1;
The explosive view that Fig. 7 decomposes further for wire clamp shown in Fig. 5;
Fig. 8 is a kind of perspective view of the second structure of the present invention;
Fig. 9 is for wire clamp shown in Fig. 8 is from a kind of perspective view during another angle views;
A kind of front view that Figure 10 is wire clamp shown in Fig. 8;
Figure 11 partly cuts open structural representation for the one of wire clamp shown in Fig. 8;
A kind of explosive view that Figure 12 is wire clamp shown in Fig. 8;
Figure 13 is for wire clamp shown in Fig. 8 is from a kind of explosive view during another angle views;
The explosive view that Figure 14 decomposes further for wire clamp shown in Figure 12;
Figure 15 is that the one of the third structure of the present invention partly cuts open structural representation;
Figure 16 is that the one of the present invention's the 4th kind of structure partly cuts open structural representation.
Embodiment
(embodiment 1)
The present embodiment is a kind of power circuit connecting clip, sees shown in Fig. 1 to Fig. 7, and comprise matrix 1, plane nut 2 and a set of paw assembly 3, this paw assembly comprises three paws 4; Matrix is provided with slip pipe 11, is arranged on the radially-directed spacing hole 12 on slip pipe and is arranged on the gear platform 13 formed along the radial evagination of slip pipe on slip pipe periphery wall; Radially-directed spacing hole runs through slip pipe tube wall along the radial direction of matrix slip pipe; The shape of gear platform is ring-type, and gear platform is positioned at one end axially of matrix slip pipe, and radially-directed spacing hole 12 is positioned at the matrix slip pipe other end axially;
The quantity of radially-directed spacing hole 12 is identical with the quantity of paw 4, is also three; Each paw is arranged in a corresponding radially-directed spacing hole 12, and the radial direction of each paw along matrix slip pipe 11 under the guide and limit effect of radially-directed spacing hole reciprocatingly slides;
Each paw is provided with pressing plate portion 41, along the guide runner portion 43 that matrix slip pipe 11 radial direction extends to form and the driving threaded portion 44 that is arranged in guide runner portion; Threaded portion 44 is driven to be arranged on a side of guide runner portion adjacent flat nut; The inwall in pressing plate portion is curved, forms a deep-slotted chip breaker 45, and the deep-slotted chip breaker of multiple paw encloses formation one clamp hole 5.External cable is arranged in this clamp hole 5.
The present embodiment, in order to connect electricity from insulating power cable, is also provided with multiple puncture 42 on pressing plate portion inwall, and specifically, puncture is arranged on the inwall of each deep-slotted chip breaker, and each puncture is radially-inwardly protruded along matrix slip pipe 11.The existence of puncture, can not carry out peeling process to insulating power cable, effectively can connect electricity.In concrete practice, if what will clamp is bare wire, then can not puncture be set.
In the present embodiment, each paw is the integral piece made by cast molding, and each puncture is made when cast molding; In concrete practice, puncture also can adopt alternate manner to make; Such as on the inwall in pressing plate portion, be provided with multiple installation draw-in groove, then installed in draw-in groove be inlaid in corresponding one by the die-cut puncture sheet made, puncture sheet comprises installation portion and thorn blade, and installation portion is inlaid in be installed in draw-in groove, and thorn blade then exposes installing card groove and forms puncture.The benefit of this structure is that puncture sheet can adopt the material different with paw to make, and especially selects and treats that clamp cable same material used is made, being conducive to obtaining better electrical gas performance.
Plane nut 2 is ring-type, and plane nut sleeve is located on the periphery wall of matrix slip pipe 11, and between gear platform 13 and paw; The internal perisporium of plane nut is the smooth inner wall with matrix slip pipe periphery wall adaptation, the periphery wall of plane nut is provided with fastening part 21, plane nut is provided with flat thread portion 22 away from a side of gear platform, flat thread portion is provided with archimedean spiral groove, adaptation then engages with the driving threaded portion of each paw in flat thread portion, and the side that plane nut adjoins gear platform slides adjacent with gear platform; The fastening part 21 of the present embodiment midplane nut is the outer-hexagonal shape fastener head be arranged on plane nut periphery wall, and it is twisted operation and adopts inner hexagon spanner, shfting wrench or fork spanner; In concrete practice, described fastening part just can adopt other shape, such as, adopt the multiple binding grooves be evenly distributed on plane nut periphery wall, and it is twisted operation and adopts hook type spanner (being commonly called as hook spanner).
In the present embodiment, each radially-directed spacing hole 12 comprises rectangle slide opening 121 and anticreep slide opening 122, rectangle slide opening is arranged on the edge of matrix slip pipe away from a side of gear platform, form a breach, anticreep slide opening is communicated with rectangle slide opening, anticreep slide opening is positioned at the inboard of rectangle slide opening, and anticreep slide opening and rectangle slide opening are combined to form T-shaped hole;
The limiting section 433 that each paw guide runner portion 43 is provided with the guide part 431 being arranged in rectangle slide opening, the anti-delinking part 432 being arranged in anticreep slide opening and is positioned at outside matrix slip pipe, the cross sectional shape that the guide part 431 of each paw, anti-delinking part 432 and limiting section 433 are combined to form is I-shaped; Each paw is run through along the radial direction of matrix slip pipe in the guide part 431 of each paw and anti-delinking part 432, the inwall in the inwall of the guide part of each paw, the inwall of anti-delinking part and pressing plate portion is coplanar, and the inwall in the inwall of the guide part of each paw, the inwall of anti-delinking part and pressing plate portion is equipped with multiple puncture.
Threaded portion is driven to be arranged on the side end wall of anti-delinking part adjacent flat nut, the shape of anti-delinking part and anticreep slide opening adaptation; Drive threaded portion to protrude to be arranged on the side end wall of anti-delinking part adjacent flat nut, make to drive threaded portion can not move in anticreep slide opening.
The present embodiment, when assembling, first can be located at plane nut sleeve on matrix slip pipe, makes it be connected on gear platform; Again along direction from outside to inside in matrix slip pipe radial direction, the guide part of each paw and anti-delinking part are filled in a corresponding radially-directed spacing hole 12, the driving threaded portion of paw is made to be crimped on the periphery in plane nut flat thread portion, turn plane nut, can make each paw close to each other towards matrix slip pipe center.
The present embodiment, when carrying out clamp operation, adopts inner hexagon spanner, shfting wrench or fork spanner to twist plane nut; Plane nut is in reciprocating rotation, drive its flat thread portion reciprocating rotation, and then drive each paw by the driving threaded portion of engaging adaptation with it, because each paw can only move back and forth along the radial direction of matrix slip pipe under the guide and limit effect of radially-directed spacing hole 12, thus make the move mode of each paw be close to each other towards slip pipe center or away from, thus clamping or unclamp the electric power cable being arranged in clamp hole 5.
The present embodiment is by being arranged on the centerline of power circuit connecting clip cable clamping, and its gravity centre distribution is comparatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration; In addition, the present embodiment drives paw clamping electric power cable by flat thread portion, compares with by traditional bolt assembly clamping electric power cable, particularly excellent in anti-loosening effect, effectively ensures the reliability of long-term work.
(embodiment 2)
The present embodiment is another kind of power circuit connecting clip, sees shown in Fig. 8 to Figure 14, and the present embodiment is substantially identical with embodiment 1, and difference is: the present embodiment also comprises the plug 6 being arranged in matrix slip pipe tube chamber; The periphery wall of plug 6 is axially arranged with three arc clip slots 61 along base tube center, in each arc clip slot, is provided with multiple puncture; Each arc clip slot is just arranged the deep-slotted chip breaker 45 on a corresponding paw inwall, and each arc clip slot and a corresponding deep-slotted chip breaker clamping form a clamp hole 5, so the present embodiment forms three clamp holes 5 altogether, can be used for clamping three cables simultaneously;
The periphery wall of plug is provided with three supporting and location flanges 62 protruded along matrix slip pipe radial direction, the internal perisporium of matrix slip pipe is provided with three positioning runners 15, each supporting and location flange stretches in a corresponding positioning runner away from a side of plug, thus plug is positioned in the tube chamber of matrix slip pipe.
(embodiment 3)
The present embodiment is substantially identical with embodiment 1, difference is: as shown in Figure 15, the length of the matrix slip pipe in the present embodiment is slightly long, also sheathedly on the periphery wall of matrix slip pipe be fixed with voltage transformer 7, because electric power cable passes from matrix slip pipe tube chamber, this voltage transformer can obtain lower induced voltage by induction mode, uses for the power supply as auxiliary equipment.Such as, the auxiliary equipment such as camera, temperature sensor, humidity sensor or the lightning stroke counter with wireless transmit/receive units can be fixedly installed in the bottom of matrix slip pipe, for monitoring in real time the environment around this wire clamp, and send real time information to distance host by wireless transmit/receive units, for power circuit intellectuality provides basic data; Voltage transformer in the present embodiment then stablizes continuable electric power supply for these auxiliary equipment provide.
(embodiment 4)
The present embodiment is substantially identical with embodiment 2, difference is: as shown in Figure 16, the length of the matrix slip pipe in the present embodiment is slightly long, also sheathedly on the periphery wall of matrix slip pipe be fixed with voltage transformer 7, because electric power cable passes from matrix slip pipe tube chamber, this voltage transformer can obtain lower induced voltage by induction mode, uses for the power supply as auxiliary equipment.Such as, the auxiliary equipment such as camera, temperature sensor, humidity sensor or the lightning stroke counter with wireless transmit/receive units can be fixedly installed in the bottom of matrix slip pipe, for monitoring in real time the environment around this wire clamp, and send real time information to distance host by wireless transmit/receive units, for power circuit intellectuality provides basic data; Voltage transformer in the present embodiment then stablizes continuable electric power supply for these auxiliary equipment provide.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (1)
1. a power circuit connecting clip, is characterized in that: comprise matrix, a plane nut and a set of paw assembly, paw assembly comprises three paws; Matrix be provided with slip pipe, one be arranged on the gear platform formed along the radial evagination of slip pipe on slip pipe periphery wall and three radially-directed spacing holes be arranged on slip pipe; Gear platform and radially-directed spacing hole are positioned at matrix slip pipe two ends axially; Each paw is arranged in a corresponding radially-directed spacing hole, and the radial direction of each paw along matrix slip pipe under the guide and limit effect of radially-directed spacing hole reciprocatingly slides; Plane nut is ring-type, and plane nut sleeve is located on the periphery wall of matrix slip pipe, and between gear platform and paw; Each paw is provided with pressing plate portion, along the radial guide runner portion extended to form of matrix slip pipe and the driving threaded portion be arranged in guide runner portion; The periphery wall of plane nut is provided with fastening part, and plane nut is provided with flat thread portion away from a side of gear platform, and adaptation then engages with the driving threaded portion of each paw in flat thread portion; During plane nut reciprocating rotation, drive its flat thread portion reciprocating rotation, so by the driving threaded portion of engaging adaptation with it drive each paw towards slip pipe center close to each other or away from.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097171.XA CN105552803A (en) | 2016-01-15 | 2016-01-15 | Line clamp for splicing power line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610097171.XA CN105552803A (en) | 2016-01-15 | 2016-01-15 | Line clamp for splicing power line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105552803A true CN105552803A (en) | 2016-05-04 |
Family
ID=55831822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610097171.XA Withdrawn CN105552803A (en) | 2016-01-15 | 2016-01-15 | Line clamp for splicing power line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105552803A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131230A (en) * | 2021-04-21 | 2021-07-16 | 田宏明 | Puncture type electric power fitting and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN202917711U (en) * | 2012-11-13 | 2013-05-01 | 北京振兴计量测试研究所 | Fastening fixture for tail cover of electric connector |
| CN204276947U (en) * | 2014-12-01 | 2015-04-22 | 温岭市深澳机床厂(普通合伙) | Scroll chuck |
| CN204578044U (en) * | 2015-05-20 | 2015-08-19 | 科都电气有限公司 | A kind of strain relief clamp connection device |
-
2016
- 2016-01-15 CN CN201610097171.XA patent/CN105552803A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN202917711U (en) * | 2012-11-13 | 2013-05-01 | 北京振兴计量测试研究所 | Fastening fixture for tail cover of electric connector |
| CN204276947U (en) * | 2014-12-01 | 2015-04-22 | 温岭市深澳机床厂(普通合伙) | Scroll chuck |
| CN204578044U (en) * | 2015-05-20 | 2015-08-19 | 科都电气有限公司 | A kind of strain relief clamp connection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113131230A (en) * | 2021-04-21 | 2021-07-16 | 田宏明 | Puncture type electric power fitting and use method thereof |
| CN113131230B (en) * | 2021-04-21 | 2023-06-23 | 河北中北电力金具有限公司 | Puncture type electric power fitting and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160504 |
|
| WW01 | Invention patent application withdrawn after publication |