CN105552588A - Wire clamping fitting for preventing cable from loosening - Google Patents
Wire clamping fitting for preventing cable from loosening Download PDFInfo
- Publication number
- CN105552588A CN105552588A CN201610099019.5A CN201610099019A CN105552588A CN 105552588 A CN105552588 A CN 105552588A CN 201610099019 A CN201610099019 A CN 201610099019A CN 105552588 A CN105552588 A CN 105552588A
- Authority
- CN
- China
- Prior art keywords
- core pipe
- plate portion
- paw
- jacking
- crimp
- 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- Withdrawn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
- 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
- H01R4/24—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
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
-
- 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
Abstract
The invention discloses a wire clamping fitting for preventing a cable from loosening. The wire clamping fitting comprises a jacking and pressing bolt, a core tube, a crimping assembly and a press claw assembly, wherein radial guide slide holes are formed in the tube wall of the core tube; an inner thread region is arranged in a tube cavity of the core tube; the crimping assembly comprises a plurality of crimping parts; each crimping part is provided with a press plate part and an anti-drop connection part; the crimping parts are detachably arranged on the core tube through the anti-drop connection parts; the press claw assembly comprises a plurality of press claws; each press claw comprises a top plate part, a guide slide block part and a drive surface; each guide slide block part is inserted into one corresponding radial guide slide hole; the jacking and pressing bolt comprises a body, an outer thread region and a jacking and pressing boss; the shape of the jacking and pressing boss is a truncated cone shape; the outer thread region of the jacking and pressing bolt is matched with the inner thread region of the core tube; the drive surface of each press claw is matched with the outer circumference wall of one corresponding jacking and pressing boss; and the jacking and pressing bolt pushes the top plate parts to move outwards along the radial direction of the core tube when rotating along the preset direction. The wire clamping fitting is firm, stable and reliable to install.
Description
Technical field
The invention belongs to electric armour clamp technical field, be specifically related to a kind of clamp gold utensil preventing cable from getting loose.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need with gold utensil, two insulated conductors to be linked together.Gold utensil 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 insulation fitting to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional coupling arrangement in the past.
Traditional gold utensil 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 traditional gold utensil is Shortcomings part also, 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 a kind of brand new, the reliable and stable clamp gold utensil preventing cable from getting loose of fastness is installed.
The technical scheme realizing the object of the invention is: a kind of clamp gold utensil preventing cable from getting loose, and comprises a top pressure bolt, core pipe, a set of crimp assemblies and an a set of paw assembly; The tube wall of core pipe is provided with one group of pilot hole, and this group pilot hole comprises multiple radially-directed slide opening; Internal threaded regions is provided with in core pipe tube chamber; Crimp assemblies comprises multiple crimp; Each crimp is provided with pressing plate portion and anticreep connecting portion; Crimp is arranged on core pipe by anticreep connecting portion is dismountable; Paw assembly comprises multiple paw; Each paw comprises top plate portion, from the inwall of top plate portion to the guide runner portion of projecting inward formation and the drive surface that is arranged on guide runner portion; Each guide runner portion inserts on core pipe in a corresponding radially-directed slide opening, and each drive surface stretches in the tube chamber of core pipe, and each top plate portion is between core inside pipe wall and core tube wall; Top pressure bolt comprises body, is arranged on the external screw thread district on body peripheral wall and is arranged on the top belling platform on body medial extremity, and the shape of top belling platform is circular cone shape; The external screw thread district of top pressure bolt and the internal threaded regions adaptation of core pipe; Drive surface and a corresponding top belling platform periphery wall of each paw are adaptive; The outer wall of each paw top plate portion is provided with arc clip slot; The inwall in each pressing plate portion is provided with deep-slotted chip breaker; The arc clip slot of each top plate portion is just arranged the deep-slotted chip breaker in a corresponding pressing plate portion, and this arc clip slot and this deep-slotted chip breaker clamping form a clamp hole; The periphery wall of core pipe is provided with vertically the multiple anticreep chutes for installing location crimp; Each group of anticreep chute comprises the axial slide that two radial sections are L shapes; Anticreep connecting portion is that the radial cross-sectional shape of each post plate is L shape from pressing plate portion two side ends inwardly outstanding two the post plates formed; Each axial slide and corresponding post plate adaptation; When top pressure bolt rotates along preset direction, top belling platform is driven to rotate while advance in core pipe tube chamber, top belling platform promotes each paw by the top each drive surface of pressure, each top plate portion is radially outward moved along core pipe, thus clamping is arranged in the electric power cable in each clamp hole.
In technique scheme, in each anticreep connecting portion, two L shape post plates are oppositely arranged; Two adjacent axial slides are oppositely arranged.
The present invention has positive effect: (1) top pressure bolt is connected threadably with core pipe, and crimps each paw by taper electrolysis and make it clamp electric power cable, and its operation is comparatively laborsaving, and has good anti-loosening effect; (2) by cable clamping is arranged on core tube hub place, make overall gravity centre distribution comparatively reasonable, when on the overhead power line of high-altitude, be 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 gold utensil shown in Fig. 1 is from a kind of perspective view during another angle views;
Fig. 3 faces structural representation for the one of gold utensil shown in Fig. 1;
Fig. 4 partly cuts open structural representation for the one of gold utensil shown in Fig. 1;
A kind of explosive view that Fig. 5 is gold utensil shown in Fig. 1;
Fig. 6 is for gold utensil shown in Fig. 1 is from a kind of explosive view during another angle views;
Fig. 7 removes crimp for gold utensil shown in Fig. 1 and a kind of explosive view after bolt is pressed on top;
Fig. 8 is that the one of the second structure of the present invention partly cuts open structural representation;
Fig. 9 is that the one of the third structure of the present invention partly cuts open structural representation;
A kind of structural representation that Figure 10 is gold utensil shown in Fig. 9.
Embodiment
(embodiment 1)
The present embodiment is a kind of clamp gold utensil preventing cable from getting loose, and sees shown in Fig. 1 to Fig. 7, comprises a top pressure bolt 1, core pipe 2, a set of crimp assemblies 3 and a set of paw assembly 8.
The tube wall of core pipe is provided with one group of pilot hole, and this group pilot hole comprises four radially-directed slide openings 22, and these four radially-directed slide openings are evenly distributed on core tube wall along core pipe circumference; Each radially-directed slide opening all runs through core tube wall along the radial direction of core pipe; Each radially-directed slide opening is positioned at core tubular axis middle part upwards, and the cross sectional shape of each radially-directed slide opening is I-shaped.Internal threaded regions 23 is provided with in core pipe tube chamber.
Crimp assemblies 3 comprises four crimps 31; Each crimp is provided with pressing plate portion 311 and anticreep connecting portion 312; Crimp is arranged on core pipe by anticreep connecting portion is dismountable; Pressing plate portion axially extends along core pipe, and the inwall in pressing plate portion is provided with deep-slotted chip breaker 313, and the periphery wall in pressing plate portion is circular arc; Anticreep connecting portion is that the radial cross-sectional shape of each post plate is L shape from pressing plate portion two side ends inwardly outstanding two the post plates 314 formed; In the present embodiment, two L shape post plates are oppositely arranged.
Each radially-directed slide opening is just arranged the inwall of a corresponding crimp.
The periphery wall of core pipe is provided with vertically four groups for installing the anticreep chute 21 of location crimp; Each group of anticreep chute comprises the axial slide 211 that two radial sections are L shapes; In the present embodiment, two adjacent axial slides are oppositely arranged; Each axial slide and corresponding post plate adaptation; The anticreep connecting portion of each crimp slips into along core pipe axial direction from a side of corresponding one group of anticreep chute this group anticreep chute; In concrete practice, anticreep connecting portion can select other shape, as long as make the anticreep connecting portion of crimp can not shift out along core caliber to from anticreep chute; In concrete practice, also can select snap fit that fixing each crimp is installed; Such as multiple draw-in groove is set on the periphery wall of core pipe, each pressing plate arranges inwardly outstanding clamping support column or clamping supporting bracket, each clamping support column or clamping supporting bracket are directly snapped in a corresponding draw-in groove, also can prevent shackle member from shifting out core pipe along core pipe radial direction, this structure is also feasible.
In the present embodiment, crimp is identical with the quantity of paw.
In concrete practice, the cross sectional shape of radially-directed slide opening also can adopt other shape, such as circular, square, rhombus, is all feasible.
Paw assembly 8 comprises four paws 4; Each paw comprises top plate portion 41, from the inwall of top plate portion to the guide runner portion 42 of projecting inward formation and the drive surface 43 that is arranged on guide runner portion; Top plate portion axially extends along core pipe, and guide runner portion is along core caliber to extension; The outer wall of each paw top plate portion is provided with arc clip slot 411; Each guide runner portion inserts on core pipe in a corresponding radially-directed slide opening, and each drive surface stretches in the tube chamber of core pipe, and each top plate portion is between core inside pipe wall and core tube wall; The radial direction of each paw along core pipe under the guide and limit effect of radially-directed slide opening reciprocatingly slides; The cross sectional shape in each guide runner portion is I-shaped with radially-directed slide opening adaptation.
The arc clip slot of each paw top plate portion is just arranged the deep-slotted chip breaker in a corresponding crimp pressing plate portion, and this arc clip slot and this deep-slotted chip breaker clamping form a clamp hole 5, and each clamp hole is for clamping an electric power cable.The present embodiment forms four clamp holes altogether, can clamp four electric power cables.In concrete practice, the size of each crimp can be different, and such as, distance between the deep-slotted chip breaker in each pressing plate portion and core tube wall is different, thus can form the clamp hole varied in size, for clamping the cable of different thicknesses.
Top pressure bolt 1 comprises body 11, the external screw thread district 12 be arranged on body peripheral wall, the fastening part 13 being arranged on body outboard end and the top belling platform 14 be arranged on body medial extremity, the shape of top belling platform is circular cone shape; The external screw thread district of top pressure bolt and the internal threaded regions adaptation of core pipe; Top belling platform extends along the axis of core pipe, and is arranged in core pipe tube chamber.
In the present embodiment, the drive surface of each paw is the curved surface of and top belling platform periphery wall adaptation, and in concrete practice, this drive surface also can select inclined-plane.
In the present embodiment, in paw assembly, the quantity of paw is identical with the quantity of radially-directed slide opening in each group of pilot hole, can select between two to five.
The present embodiment, in order to connect electricity from insulating power cable or promote chuck strength, is also provided with multiple puncture 6 in each arc clip slot and deep-slotted chip breaker; Specifically, each puncture is protruded along the radial direction of core pipe.The existence of puncture, without the need to carrying 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 casting forming, and each puncture is made when casting forming; In concrete practice, puncture also can adopt alternate manner to make; Such as in each arc clip slot and deep-slotted chip breaker, be provided with multiple installation draw-in groove, then install 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.In concrete practice, can also adopt in the mode arranging screw thread in each arc clip slot and deep-slotted chip breaker, also can improving clamping sigma compactness energy.
When top pressure bolt rotates along preset direction, top belling platform is driven to rotate while advance in core pipe tube chamber, top belling platform promotes each paw by the top each drive surface of pressure, each top plate portion is radially outward moved along core pipe, thus clamping is arranged in the electric power cable in each clamp hole.
The present embodiment has following Advantageous Effects: (1) top pressure bolt is connected threadably with core pipe, and pushes the drive surface of each paw by pushing up belling platform, and then promotes each paw and move along core pipe radial direction; Its operation is comparatively laborsaving, and has good anti-loosening effect.(2) because crimp is arranged on core pipe by sliding, first cable can be placed in the arc clip slot of each paw, more corresponding crimp is loaded in corresponding anticreep chute, corresponding electric power cable can be placed in clamp hole; This structure makes to clamp the easy to operation of electric power cable.
(embodiment 2)
The present embodiment is substantially identical with embodiment 1, and difference is: as shown in Figure 8, and the present embodiment also comprises current transformer 7; This current transformer comprises toroidal inductive body 71 and intelligent control module 72; In the present embodiment, intelligent control module 72 makes the ring-type with toroidal inductive body with onesize vestibule, annular perception induction body and intelligent control module are arranged side by side and are combined to form annular, on the overall sheathed outer wall being fixed on pressing plate portion of current transformer, also namely crimp assemblies is arranged in the vestibule of current transformer entirety.In concrete practice, current transformer also can be fixedly installed on the tube wall of core pipe, as long as make all clamp holes be arranged in the vestibule of toroidal inductive body, also namely only needs to make cable pass the vestibule of toroidal inductive body.
Intelligent control module can comprise wireless transmit/receive units, and intelligent control module sends distance host by wireless transmit/receive units to the leakage current signal that toroidal inductive body senses, to realize accurate long-range no worker monitor, Timeliness coverage leak current fault.
The present embodiment can use as a zero sequence current mutual inductor.
(embodiment 3)
The present embodiment is substantially identical with embodiment 1, and difference is: see shown in Fig. 9 to Figure 10, and the present embodiment also comprises current transformer 7; This current transformer comprises toroidal inductive body 71 and intelligent control module 72; In the present embodiment, on the sheathed periphery wall being fixed on pressing plate portion of annular perception induction body; Core tube wall, between crimp and toroidal inductive body clamping form multiple containing cavity 73, intelligent control module is arranged in containing cavity.This structure can make full use of space, is conducive to the small-sized and integrated of entirety.
Intelligent control module can comprise wireless transmit/receive units, and intelligent control module sends distance host by wireless transmit/receive units to the leakage current signal that toroidal inductive body senses, to realize accurate long-range no worker monitor, Timeliness coverage leak current fault.
The present embodiment can use as a zero sequence current mutual inductor.
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 (2)
1. prevent the clamp gold utensil that cable gets loose, it is characterized in that: comprise a top pressure bolt, core pipe, a set of crimp assemblies and an a set of paw assembly; The tube wall of core pipe is provided with one group of pilot hole, and this group pilot hole comprises multiple radially-directed slide opening; Internal threaded regions is provided with in core pipe tube chamber; Crimp assemblies comprises multiple crimp; Each crimp is provided with pressing plate portion and anticreep connecting portion; Crimp is arranged on core pipe by anticreep connecting portion is dismountable; Paw assembly comprises multiple paw; Each paw comprises top plate portion, from the inwall of top plate portion to the guide runner portion of projecting inward formation and the drive surface that is arranged on guide runner portion; Each guide runner portion inserts on core pipe in a corresponding radially-directed slide opening, and each drive surface stretches in the tube chamber of core pipe, and each top plate portion is between core inside pipe wall and core tube wall; Top pressure bolt comprises body, is arranged on the external screw thread district on body peripheral wall and is arranged on the top belling platform on body medial extremity, and the shape of top belling platform is circular cone shape; The external screw thread district of top pressure bolt and the internal threaded regions adaptation of core pipe; Drive surface and a corresponding top belling platform periphery wall of each paw are adaptive; The outer wall of each paw top plate portion is provided with arc clip slot; The inwall in each pressing plate portion is provided with deep-slotted chip breaker; The arc clip slot of each top plate portion is just arranged the deep-slotted chip breaker in a corresponding pressing plate portion, and this arc clip slot and this deep-slotted chip breaker clamping form a clamp hole; The periphery wall of core pipe is provided with vertically the multiple anticreep chutes for installing location crimp; Each group of anticreep chute comprises the axial slide that two radial sections are L shapes; Anticreep connecting portion is that the radial cross-sectional shape of each post plate is L shape from pressing plate portion two side ends inwardly outstanding two the post plates formed; Each axial slide and corresponding post plate adaptation; When top pressure bolt rotates along preset direction, top belling platform is driven to rotate while advance in core pipe tube chamber, top belling platform promotes each paw by the top each drive surface of pressure, each top plate portion is radially outward moved along core pipe, thus clamping is arranged in the electric power cable in each clamp hole.
2. the clamp gold utensil preventing cable from getting loose according to claim 1, is characterized in that: in each anticreep connecting portion, two L shape post plates are oppositely arranged; Two adjacent axial slides are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099019.5A CN105552588A (en) | 2016-01-15 | 2016-01-15 | Wire clamping fitting for preventing cable from loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610099019.5A CN105552588A (en) | 2016-01-15 | 2016-01-15 | Wire clamping fitting for preventing cable from loosening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105552588A true CN105552588A (en) | 2016-05-04 |
Family
ID=55831632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610099019.5A Withdrawn CN105552588A (en) | 2016-01-15 | 2016-01-15 | Wire clamping fitting for preventing cable from loosening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105552588A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884149A (en) * | 2020-07-27 | 2020-11-03 | 苏州帅泽信息科技有限公司 | Detachable wire clamp for computer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195814Y (en) * | 1994-04-06 | 1995-04-26 | 胡定超 | Automatic cable clamp |
| US5869785A (en) * | 1997-06-10 | 1999-02-09 | Antec Corporation | Wire clamp with parallel gripping action |
| CN102354940A (en) * | 2011-10-29 | 2012-02-15 | 浙江左易电力设备有限公司 | Wedge-shape strain clamp of bunched cable |
| 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
- 2016-01-15 CN CN201610099019.5A patent/CN105552588A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2195814Y (en) * | 1994-04-06 | 1995-04-26 | 胡定超 | Automatic cable clamp |
| US5869785A (en) * | 1997-06-10 | 1999-02-09 | Antec Corporation | Wire clamp with parallel gripping action |
| CN102354940A (en) * | 2011-10-29 | 2012-02-15 | 浙江左易电力设备有限公司 | Wedge-shape strain clamp of bunched cable |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884149A (en) * | 2020-07-27 | 2020-11-03 | 苏州帅泽信息科技有限公司 | Detachable wire clamp for computer |
| CN111884149B (en) * | 2020-07-27 | 2021-04-09 | 苏州帅泽信息科技有限公司 | Detachable wire clamp for computer |
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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 |
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| WW01 | Invention patent application withdrawn after publication |