CN105826696A - Double wire clamping type electric power fitting - Google Patents
Double wire clamping type electric power fitting Download PDFInfo
- Publication number
- CN105826696A CN105826696A CN201610093633.0A CN201610093633A CN105826696A CN 105826696 A CN105826696 A CN 105826696A CN 201610093633 A CN201610093633 A CN 201610093633A CN 105826696 A CN105826696 A CN 105826696A
- Authority
- CN
- China
- Prior art keywords
- paw
- radially
- pressing
- core pipe
- core tube
- 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.)
- Pending
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
- H01R4/24—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
- H01R4/2412—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 insulated cams or wedges
-
- 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
- H01R4/5008—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using rotatable cam
Abstract
The invention discloses a double wire clamping type electric power fitting comprising a pressing ring, a core tube, a voltage transformer and two sets of wire clamping components. The pressing ring is rotatably arranged at the external circumferential wall of the core tube. The pressing ring comprises a ratchet ring of which the internal circumferential wall is provided with multiple slope slots. Each slope slot is internally provided with multiple wedge-shaped anti-loosening teeth. The tube wall of the core tube is provided with multiple radial guide holes. Each set of wire clamping component comprises multiple pressing claw components. Each pressing claw component comprises a pressing claw and a reset spring. Each pressing claw comprises a pressing plate part and a radial slide column which is arranged at the external wall of the pressing plate part. The external side end of each radial slide column is provided with wedge-shaped teeth. The pressing plate part of each pressing claw is arranged in the tube cavity of the core tube. The radial slide column of each pressing claw penetrates through one radial guide hole. Each wedge-shaped tooth is connected on one corresponding wedge-shaped anti-loosening tooth in an abutting way. The ratchet ring drives the wedge-shaped anti-loosening teeth to rotate when the ratchet ring rotates and synchronously drives each pressing plate of the two sets of wire clamping components to move towards the center of the core tube by abutting against the radial slide column of each pressing claw. Cable loosening can be prevented by the double wire clamping type electric power fitting.
Description
Technical field
Overhead transmission line electric armour clamp technical field of the present invention, is specifically related to a kind of dual clamping type electric armour clamp.
Background technology
In the construction of overhead power line, when cable Xu Zuo branch or when continuing, need to be linked together by two insulated conductors with gold utensil.Gold utensil has simple installation, low cost, safe and reliable non-maintaining feature.Without blocking leader cable, can do cable branch without peelling off the insulating barrier of cable, joint is completely insulated, can livewire work, on-the-spot branch can be made in cable optional position；It is not required to use termination rack, coupling box；And joint warp resistance, shockproof, waterproof, anticorrosion is aging；Using insulation fitting to do cable branch, comprehensive benefit is obvious, and cost performance is better than conventional conventional coupling arrangement.
Traditional gold utensil is mainly made up of enhancing housing, piercing blade, waterproof silicone grease, high-strength bolt and nut, and the preferred torque nut of its nut, its structure is the most ripe, also obtains relatively broad application.But tradition gold utensil there is also weak point, and the pressure of clamp relies on the pressure of plain bolt assembly, and its fastness is poor, easily loosens.
Summary of the invention
It is an object of the invention to provide a kind of dual clamping type electric armour clamp.
The technical scheme realizing the object of the invention is: a kind of dual clamping type electric armour clamp, including a pressure ring, a core pipe, a voltage transformer and two set wire clipping components；Pressure ring rotates and is arranged on core pipe periphery wall；Pressure ring includes that internal perisporium is provided with the spine ring of multiple slopes groove；Each slope groove is provided with multiple wedge shape anticreep tooth；Core tube wall is provided with multiple radially-directed hole；Paw assembly includes multiple paw and provides the back-moving spring of reseting elasticity for paw；Each set wire clipping component includes along the core pipe equally distributed multiple paw assemblies of circumference；Two set wire clipping components are axially arranged side by side along core pipe；Each paw includes pressing plate portion and the radial direction traveller being arranged on pressing plate portion outer wall；The outboard end of each radially traveller is provided with the chisel teeth adaptive with the wedge shape anticreep tooth in the groove of spine ring slope；The pressing plate portion of each paw is positioned in core pipe tube chamber, and the radial direction traveller of each paw is through the corresponding radially-directed hole on core tube wall, under the elastic force effect of back-moving spring, on the wedge shape anticreep tooth in a corresponding slope groove of the chisel teeth apical grafting on each radially traveller；The periphery wall of core pipe is provided with two annular grooves；Radially-directed hole is arranged on the core tube wall between two annular grooves；Each radially-directed hole extends radially through core tube wall along core pipe；Accommodating hole and guiding slide opening set gradually along direction from outside to inside, and accommodating hole and guiding slide opening are all circular holes, and the aperture of accommodating hole is more than the aperture of guiding slide opening, and the cross sectional shape in each radially-directed hole is T-shaped；Drive wedge shape anticreep tooth to rotate when spine ring rotates, pressed the radial direction traveller of each paw by top, synchronize to drive each pressing plate portion in two set wire clipping components to move towards core tube hub.
Each paw is positioned by the present invention by having the slope groove of wedge shape anticreep tooth, the technique effect preventing from falling back can be played, compare with by traditional bolt assembly clamping electric power cable, particularly excellent in anti-loosening effect, the reliability of long-term work is effectively ensured.It addition, the present invention is by using two set wire clipping components clamping electric power cables, a set of it is out of order, another set of still can ensure that work, there is the technique effect of dual fail-safe.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is that shown in Fig. 1, the one of gold utensil partly cuts open structural representation；
Fig. 3 is the A-A sectional view of Fig. 2；
Fig. 4 is a kind of explosive view of gold utensil shown in Fig. 1；
Fig. 5 is a kind of explosive view after gold utensil shown in Fig. 1 removes pressure ring and back-up ring；
Fig. 6 is a kind of perspective view of the second structure of the present invention；
Fig. 7 is that shown in Fig. 6, the one of gold utensil partly cuts open structural representation；
Fig. 8 is the B-B sectional view of gold utensil shown in Fig. 7；
Fig. 9 is a kind of explosive view of gold utensil shown in Fig. 6；
Figure 10 is a kind of explosive view after gold utensil shown in Fig. 6 removes pressure ring and back-up ring；
Figure 11 is that the one of the third structure of the present invention partly cuts open structural representation；
Figure 12 is the C-C sectional view of gold utensil shown in Figure 11；
Figure 13 is a kind of perspective view of gold utensil core pipe shown in Figure 11；
Figure 14 is that the one of the 4th kind of structure of the present invention partly cuts open structural representation.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of dual clamping type electric armour clamp, as shown in Fig. 1 to Fig. 5, including the axial back-up ring of 1, core pipe of a pressure ring 2, two 4 and two set wire clipping components 9.
Pressure ring 1 includes spine ring 11, two clamping connection rings 12 of separation spine ring both sides and multiple connecting rivet 13, two clamping connection ring clamping spine rings, connecting rivet axially penetrates through described spine ring and two clamping connection rings along core pipe, thus spine ring and two clamping connection rings are fixedly connected into an entirety.The internal perisporium of spine ring is provided with multiple slopes groove 111, is provided with multiple wedge shape anticreep tooth 112 in the groove of each slope；In the present embodiment, the internal perisporium of spine ring and the internal perisporium of clamping connection ring are coplanar, and the periphery wall of spine ring and the periphery wall of clamping connection ring are coplanar；The periphery wall of pressure ring is provided with multiple binding groove 14 axially penetrating through whole pressure ring along core pipe, and the operation of twisting of pressure ring uses hook type spanner (being commonly called as hook spanner).In concrete practice, the internal diameter of clamping connection ring also can be slightly smaller than the internal perisporium of spine ring.Slope groove in the present embodiment refers to the groove that depth of groove is gradually incremented by another side from a side.
The periphery wall of core pipe 2 is provided with the annular groove 22 of two indents, and core pipe is provided with multiple radially-directed hole 23 on the tube wall between two annular grooves；In the present embodiment, each radially-directed hole extends radially through core tube wall along core pipe, each radially-directed hole includes the accommodating hole 231 of connection and guides slide opening 232, accommodating hole and guiding slide opening set gradually along direction from outside to inside, accommodating hole and guiding slide opening are all circular holes, the aperture of accommodating hole is more than the aperture of guiding slide opening, and the cross sectional shape in each radially-directed hole is T-shaped.Each axial back-up ring is arranged in a corresponding annular groove of core pipe.Pressure ring rotates and is arranged on core pipe periphery wall, and respectively with two axial back-up rings of the two side ends of pressure ring slide adjacent.
Each set wire clipping component includes that the present embodiment is selected four, in concrete practice, can be selected between two to five along core pipe circumference equally distributed multiple paw assemblies 3.Two set wire clipping components are provided adjacent to the most side by side along core pipe.In the present embodiment, the multiple paw assemblies 3 in each set wire clipping component form a clamp hole 5 for clamping.
Each paw assembly 3 includes that a paw 31, is that paw provides the back-moving spring 32 of reseting elasticity and a mat being fixedly installed on each paw 33；Each paw includes pressing plate portion 311, the radial direction traveller 312 being arranged on pressing plate portion outer wall, the annular slot 313 that is arranged on radially traveller periphery wall；Guiding slide opening in each radially traveller and radially-directed hole is adaptive, each radially traveller under the position-limiting action guiding slide opening along core caliber to reciprocatingly sliding；The outboard end of each radially traveller is provided with chisel teeth 34；Wedge shape anticreep tooth in each chisel teeth and spine ring slope groove is adaptive.Each mat is fixed in the annular slot of a corresponding radial direction traveller, each back-moving spring is set on a corresponding radial direction traveller, each back-moving spring is connected in a corresponding annular mat along core caliber outer end upwards, and back-moving spring is connected on the diapire of accommodating hole along core caliber the inner upwards；
The pressing plate portion of each paw is positioned in core pipe tube chamber, the radial direction traveller of each paw is through the corresponding radially-directed hole on core tube wall, under the elastic force effect of back-moving spring, on the wedge shape anticreep tooth in a corresponding slope groove of spine ring of the chisel teeth apical grafting on each radially traveller.Under the position-limiting action of slope groove and chisel teeth, the pressure ring in the present embodiment is twisted only along a direction, has anti-retrogression namely anti-loosening technique effect.
The inwall in each paw pressing plate portion is provided with arcuate groove 314, and in the present embodiment, the arcuate groove clamping in each paw pressing plate portion forms the described clamp hole 5 for clamping electric power cable.
The present embodiment, in order to connect electricity on insulating power cable, is also provided with multiple puncture 6 in each arcuate groove；Specifically, respectively puncture along core pipe radially protruding.The existence punctured, can effectively connect electricity without insulating power cable is carried out peeling process.In concrete practice, if to be clamped is bare wire, then can be not provided with puncturing.
In the present embodiment, each paw is the integral piece made by casting forming, and each puncture is made when casting forming；In concrete practice, puncture may be used without alternate manner and makes；In each arcuate groove, such as it is provided with multiple installation draw-in groove, then installs in draw-in groove being inlaid in corresponding one by the die-cut puncture sheet made；Puncturing sheet include installation portion and sting blade, 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 sheet the material different with paw can be used to make, and especially selects and treats that same material used by clamp cable is made, being conducive to obtaining preferable electric property.
The present embodiment is when operation, hook type spanner is used to twist pressure ring, pressure ring is made to drive the wedge shape anticreep tooth in its slope groove to rotate, owing to each back-moving spring stress can deform shortening, make the chisel teeth of the radially traveller of each pressing plate in two set wire clipping components towards the shallower side shifting of groove depth in the groove of slope, and then make the pressing plate portion in two set wire clipping components along the radially-inwardly sliding of core pipe so that two set wire clipping component synchronous clampings be positioned at the electric power cable in clamp hole.
The present embodiment is by being arranged on cable clamping at the longitudinal center line of gold utensil, and its gravity centre distribution is relatively reasonable, when on the overhead power line of high-altitude, is conducive to alleviating vibration；Additionally, each paw is positioned by the present embodiment by having the slope groove of wedge shape anticreep tooth, can play the technique effect preventing from falling back, and compares with by traditional bolt assembly clamping electric power cable, in anti-loosening effect particularly excellent, the reliability of long-term work is effectively ensured.Additionally, the present embodiment is by using two set wire clipping components clamping electric power cables, a set of it is out of order, another set of still can ensure that work, there is the technique effect of dual fail-safe.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Fig. 6 to Figure 10, and the present embodiment also includes the plug 7 being positioned in core pipe tube chamber；The periphery wall of plug is provided with multiple arc clip slot 71, and each arc clip slot is axially extending along core pipe, and the arcuate groove on a corresponding paw inwall is just arranged by each arc clip slot；Each arc clip slot and a corresponding arcuate groove clamping form a clamp hole 5；So the present embodiment can form four clamp holes, can be used for simultaneously clamping on four cables.
The periphery wall of plug is provided with four the support location flanges 72 protruded along core pipe radial direction, the internal perisporium of core pipe is provided with four positioning runners 24, each outboard end supporting location flange is embedded in a corresponding positioning runner, thus plug is positioned in the tube chamber of matrix slip pipe.
(embodiment 3)
The present embodiment and embodiment 1 are essentially identical, and difference is: as shown in Figure 11 to Figure 13, and the present embodiment also includes voltage transformer 8；This voltage transformer includes annular matrix 81 and intelligent control module 82；In the present embodiment, a clamping connection ring is provided with installation gap 121 at a side of adjacent spine ring, and annular matrix is inlaid in this installation gap；It addition, the periphery wall of core pipe is provided with resettlement groove 25, intelligent control module is arranged in resettlement groove；Intelligent control module can include wireless transmit/receive units, and secondary voltage or current signal that intelligent control module is sensed annular matrix by wireless transmit/receive units send distance host to, to realize accurate long-range no worker monitor；This structure can make full use of space, is conducive to the small-sized and integrated of entirety.The present embodiment can use as a high-voltage mutual inductor.
(embodiment 4)
The present embodiment and embodiment 3 are essentially identical, difference is: as shown in Figure 14, the present embodiment is no longer arranged on the annular matrix of voltage transformer in clamping connection ring, in the present embodiment, the annular matrix of voltage transformer is fixedly installed on core pipe periphery wall, this scheme is also feasible, and structure is compacter and easily fabricated processing；As long as allowing in a word by folder electric power cable through annular matrix.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, 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 without also cannot all of embodiment be given exhaustive.And the obvious change that these connotations belonging to the present invention are extended out or variation still fall within protection scope of the present invention.
Claims (1)
1. a dual clamping type electric armour clamp, it is characterised in that: include a pressure ring, a core pipe, a voltage transformer and two set wire clipping components；Pressure ring rotates and is arranged on core pipe periphery wall；Pressure ring includes that internal perisporium is provided with the spine ring of multiple slopes groove；Each slope groove is provided with multiple wedge shape anticreep tooth；Core tube wall is provided with multiple radially-directed hole；Paw assembly includes multiple paw and provides the back-moving spring of reseting elasticity for paw；Each set wire clipping component includes along the core pipe equally distributed multiple paw assemblies of circumference；Two set wire clipping components are axially arranged side by side along core pipe；Each paw includes pressing plate portion and the radial direction traveller being arranged on pressing plate portion outer wall；The outboard end of each radially traveller is provided with the chisel teeth adaptive with the wedge shape anticreep tooth in the groove of spine ring slope；The pressing plate portion of each paw is positioned in core pipe tube chamber, and the radial direction traveller of each paw is through the corresponding radially-directed hole on core tube wall, under the elastic force effect of back-moving spring, on the wedge shape anticreep tooth in a corresponding slope groove of the chisel teeth apical grafting on each radially traveller；The periphery wall of core pipe is provided with two annular grooves；Radially-directed hole is arranged on the core tube wall between two annular grooves；Each radially-directed hole extends radially through core tube wall along core pipe；Accommodating hole and guiding slide opening set gradually along direction from outside to inside, and accommodating hole and guiding slide opening are all circular holes, and the aperture of accommodating hole is more than the aperture of guiding slide opening, and the cross sectional shape in each radially-directed hole is T-shaped；Drive wedge shape anticreep tooth to rotate when spine ring rotates, pressed the radial direction traveller of each paw by top, synchronize to drive each pressing plate portion in two set wire clipping components to move towards core tube hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093633.0A CN105826696A (en) | 2016-01-15 | 2016-01-15 | Double wire clamping type electric power fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610093633.0A CN105826696A (en) | 2016-01-15 | 2016-01-15 | Double wire clamping type electric power fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105826696A true CN105826696A (en) | 2016-08-03 |
Family
ID=56987114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610093633.0A Pending CN105826696A (en) | 2016-01-15 | 2016-01-15 | Double wire clamping type electric power fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105826696A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN103490350A (en) * | 2013-10-08 | 2014-01-01 | 国家电网公司 | Peeling and cutting tool for outer semi-conducting layer of crosslinked power cable |
-
2016
- 2016-01-15 CN CN201610093633.0A patent/CN105826696A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2793486Y (en) * | 2005-03-28 | 2006-07-05 | 郑春开 | Clasp cable device |
| CN103490350A (en) * | 2013-10-08 | 2014-01-01 | 国家电网公司 | Peeling and cutting tool for outer semi-conducting layer of crosslinked power cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105826721A (en) | Electric power fitting preventing cable loosening | |
| CN105826713A (en) | Electric power fitting having double clamping effects | |
| CN105826712A (en) | Double wire clamping type electric power fitting | |
| CN105826714A (en) | Electric power fitting having double clamping effects | |
| CN105826720A (en) | Electric power fitting for preventing cable loosening | |
| CN105896430A (en) | High-voltage power fitting | |
| CN105914685A (en) | Overhead line power connection fitting | |
| CN105914684A (en) | Overhead line power connection fitting | |
| CN105914494A (en) | High-voltage power connection fitting | |
| CN105826696A (en) | Double wire clamping type electric power fitting | |
| CN105633619A (en) | Overhead electric power fitting | |
| CN105870644A (en) | Power fitting for overhead circuit | |
| CN105655750A (en) | Electric wire trapping fitting | |
| CN105633642B (en) | A kind of anti-loosening electric power clamp fitting | |
| CN105633626A (en) | Electric power fitting | |
| CN105914495A (en) | Power connection fitting | |
| CN105914686A (en) | Power connection fitting | |
| CN106571539A (en) | High-voltage electric power fittings | |
| CN105633629A (en) | Punctured power fitting | |
| CN105846117A (en) | Electric power fitting | |
| CN105655729A (en) | Puncture type electric power fitting | |
| CN107069254A (en) | A kind of power transmission and distribution splicing fitting | |
| CN105914483A (en) | Power fitting | |
| CN105826719A (en) | Electric power fitting | |
| CN105633602A (en) | Continuous fitting for power transmission and distribution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160803 |
|
| RJ01 | Rejection of invention patent application after publication |