CN105990809A - Wedge-shaped wire clamp - Google Patents
Wedge-shaped wire clamp Download PDFInfo
- Publication number
- CN105990809A CN105990809A CN201610281009.3A CN201610281009A CN105990809A CN 105990809 A CN105990809 A CN 105990809A CN 201610281009 A CN201610281009 A CN 201610281009A CN 105990809 A CN105990809 A CN 105990809A
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- CN
- China
- Prior art keywords
- clamp
- base tube
- heat
- bolt
- conducting block
- 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.)
- Granted
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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
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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- Clamps And Clips (AREA)
Abstract
The invention discloses a wedge-shaped wire clamp comprising a base tube, a core column, a bolt and a clamp plate component. The base tube comprises a pressing tube part and a sealing plate part. The sealing plate part is provided with a limiting slide hole and threading holes. The internal wall of the pressing tube part is provided with crimping bosses. The shape of the core column is cone-frustum-shaped. The core column is provided with abutting slide chutes and a conical crimping surface. The core column is provided with a center screw hole. The clamp plate component comprises wire clamp plates which are provided with guide slide stands. The fastening part of the bolt is arranged at the external side of the sealing plate part. The rod body of the bolt penetrates through the limiting slide hole of the sealing plate part. The external diameter of the fastening part of the bolt is greater than that of the limiting slide hole of the sealing plate part. The bolt is rotated and the core column is pulled to move towards the direction close to the sealing plate part. Each wire clamp plate outwardly moves along the radial direction of the pressing tube part. The base tube is provided with installing screw holes which penetrate through the wall body of the pressing tube part along the radial direction of the base tube. The installing screw holes are internally provided with temperature sensing devices in a fixing way. The wedge-shaped wire clamp is relatively compact and reasonable in structure and easy to install.
Description
Technical field
Overhead transmission line electric power wedge clamp technical field of the present invention, is specifically related to a kind of wedge clamp.
Background technology
The bunched cable of power transmission and distribution is usually two cores or four cores, is required for during by built on stilts for bunched cable fixing on utility poles
Use strain clamp.Chinese patent 03210522.3 discloses a kind of four-core centralized cable strain clamp, utilizes two to join in pairs
The voussoir closed is clamped the core of cable and is penetrated tensioning in the wedge cavities of wire clamp again, and wedge-like engagement can make cable open tighter and tighter, the most not
Fragile core.But, using the voussoir of two paired cooperations to clamp wire and may produce Relative sliding, impact clamping is reliable
Property.This strain clamp the most also needs parallel four-core centralized cable being twisted into square, and is arranged on the same of wire clamp
In individual wedge cavities, more bothersome to turning round, generally require many people and just can complete, the most convenient.And, general strain clamp is all
Employing metal manufactures, and weight is big, and cost is high, it is also possible to corrosion, and built on stilts installation operation is relatively elaborate, reduces efficiency of construction.
Summary of the invention
It is an object of the invention to provide a kind of structure more compact and reasonable, easy-to-install wedge clamp.
The technical scheme realizing the object of the invention is:
The present invention has a positive effect: (1) structure more compact and reasonable；Stem stem and bolt connect threadably, and pass through
The taper electrolysis of jacking sliding groove crimps each clamp makes it clamp electric power cable, and its operation is the most laborsaving；(2) in anticreep wedge shape
Under the engagement locking of tooth and anticreep tooth, also there is preferable anti-loosening effect.(3) pressure is extended radially through owing to base tube is provided with along base tube
The installation screw of pipe portion wall body, is fixed with temperature sensing device in installation screw；So the present invention also has real time temperature prison
Control function.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the first structure of the present invention；
Fig. 2 is a kind of perspective view when another angle is observed of the wedge clamp shown in Fig. 1；
Fig. 3 is that shown in Fig. 1, the one of wedge clamp faces structural representation；
Fig. 4 is the A-A sectional view of Fig. 3；
Fig. 5 is a kind of perspective view of base tube in wedge clamp shown in Fig. 1；
Fig. 6 is that shown in Fig. 5, the one of base tube partly cuts open structural representation；
Fig. 7 is a kind of explosive view of wedge clamp shown in Fig. 1；
Fig. 8 is a kind of explosive view when another angle is observed of the wedge clamp shown in Fig. 1；
Fig. 9 is that the one of the second structure of the present invention partly cuts open structural representation；
Figure 10 is the close-up schematic view in Fig. 9 at B；
Figure 11 is that the one of the third structure of the present invention partly cuts open structural representation.
Detailed description of the invention
(embodiment 1)
The present embodiment is a kind of wedge clamp, as shown in Fig. 1 to Fig. 8, including base tube 1, stem stem 2, bolt 3 and cleat assembly 4；Base
Pipe 1 includes pressure pipe portion 11 and is positioned at the shrouding portion 12 of one end, pressure pipe portion；The shape in pressure pipe portion is circular, and the inwall in pressure pipe portion sets
Crimping boss 13, the inwall of crimping boss is had to be provided with arcuate groove 14.Base tube is made into integration, and crimps the boss inwall from pressure pipe portion
On project radially inwards formation, 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 these four crimping boss are uniform along the circumference in pressure pipe portion
It is distributed on the inwall in pressure pipe portion.
The two side of each crimping boss is provided with two spacing travellers 15 protruded towards center, pressure pipe portion, spacing traveller edge
Pressure pipe portion is radially arranged.
Shrouding portion 12 is provided with through wires hole 16 and spacing slide opening 17；
In the present embodiment, shrouding portion is provided with a spacing slide opening and four through wires holes；Spacing slide opening is arranged on the center in shrouding portion
Place, through wires hole is uniformly arranged on the outer circumferential side of spacing hole.
Stem stem be shaped as frustum, the periphery wall of stem stem is axially arranged with along pressure pipe portion four jacking sliding grooves 21, respectively pushes up
Pressure chute is additionally provided with multiple anticreep chisel teeth 22；The center of stem stem is axially arranged with center screw 23 along pressure pipe portion.Respectively push up pressure
The diapire of chute is as taper electrolysis 211.
Cleat assembly includes four clamps 41；The inwall of each clamp is provided with the guiding slide unit adaptive with jacking sliding groove
411, guide axially arranged along pressure pipe portion of slide unit；The outer wall of each clamp is provided with arc clip slot 412, the both sides of each clamp
Guide chute 413 it is additionally provided with on wall；The spacing traveller of each crimping boss is positioned in a corresponding guide chute so that clamp edge
Spacing traveller direction is moved；In the present embodiment, each spacing traveller being radially arranged along pressure pipe portion, therefore clamp is only along pressure pipe
The radial direction in portion moves back and forth.
In the present embodiment, the two side of each clamp is axially respectively arranged at the two ends with a positive stop lug boss 417, these two limits
Position boss clamping forms described guide chute 413.
In the present embodiment, each slide unit that guides has the taper stress surface adaptive with stem stem jacking sliding groove bottom wall, and this taper is subject to
Power face substantially also serves as the inwall 414 of clamp；When the guiding slide unit of each clamp is positioned in stem stem jacking sliding groove, clamp
The outer wall 415 of plate is parallel with the inwall 131 of a corresponding crimping boss；A corresponding crimping boss is just arranged by each clamp,
Each arc clip slot and a corresponding arcuate groove clamping form a clamp hole 5, and the present embodiment forms four clamp holes altogether；Shrouding portion
On each through wires hole the most corresponding clamp hole is arranged.
Stem stem is under the spacing mating reaction guiding slide unit of its jacking sliding groove and clamp, it is impossible in the transfer of pressure pipe portion
Dynamic, only along moving axially of pressure pipe portion.
The inwall 414 of each conical outer wall guiding slide unit namely clamp is provided with multiple anticreep tooth 416, and each anticreep tooth is used
Engage in the anticreep chisel teeth with stem stem, anti-skidding anti-retrogression.
Swivel bolt pulls stem stem to move towards the direction close to shrouding portion；Stem stem is crimped by the taper in jacking sliding groove
Face pushes the guiding slide unit of each clamp, and then promotes each clamp to make its being moved radially outward along pressure pipe portion, thus clamps
It is positioned at the electric power cable in clamp hole.
The present embodiment is in order to connect electricity or promote chuck strength, also at each arc clip slot and arcuate groove on insulating power cable
In be provided with multiple puncture 6；Specifically, each puncture is along the radially protruding of base tube.The existence punctured, can be without to insulating power
Cable carries out peeling process, can effectively connect electricity.In concrete practice, if to be clamped is bare wire, then can be not provided with puncturing.
In the present embodiment, each paw is the integral piece made by casting forming, and each puncture is made when casting forming；?
In concrete practice, puncture may be used without alternate manner and makes；In each arc clip slot and arcuate groove, such as it is provided with multiple installation block
Groove, then installs in draw-in groove being inlaid in corresponding one by the die-cut puncture sheet made；Puncture sheet and include installation portion and thorn sword
Portion, installation portion is inlaid in installation draw-in groove, and thorn blade then exposes installation draw-in groove and forms puncture.The benefit of this structure is to puncture sheet
The material different with paw can be used to make, especially select and treat that same material used by clamp cable is made, be conducive to obtaining
Preferably electric property.In concrete practice, it is also possible to use in the mode being threaded in each arc clip slot and arcuate groove, also
Can improving clamping sigma compactness energy.
The present embodiment has following Advantageous Effects: (1) operation is the most laborsaving, has 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, and base tube 1 is provided with along base tube footpath
To the installation screw 18 running through pressure pipe portion 11 wall body；This installation screw is fixed with temperature sensing device 8；
Temperature sensing device includes the metal shell 81 with storage tank 811 that metal material makes, is arranged in storage tank
Temperature sensor 82, block up for spring 83, the screwed pipe that is used for limit spring that temperature sensor is crimped on storage tank diapire
84；
Metal shell is provided with as puncturing the heat conduction boss 813 used close to one end 812 of base tube central axis, and metal shell is remote
It is provided with interior hexagonal from one end 814 of base tube central axis and twists groove 815；The periphery wall of metal shell is provided with fits with installation screw
The external screw thread 816 joined, the internal perisporium of storage tank is provided with internal threaded regions 817；Heat conduction boss is close to base tube from metal shell
The sharp tooth boss formed is protruded in one end 812 of mandrel line；
Temperature sensor includes that the heat-conducting block 821 using heat conductive insulating elastomeric material to make, the U-shaped that is 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 diapire of storage tank close to one end of base tube central axis；Two connect electric mortiser post protrusion and are arranged on heat-conducting block
On the other end away from base tube central axis；
Heat-conducting block is away from enclosing formation cannelure between external diameter and the internal perisporium of storage tank of the other end of base tube central axis
100, spring is positioned in this cannelure and is set on heat-conducting block one end away from base tube central axis；
Screwed pipe plug is provided with external screw thread district 841 close to the periphery wall of one end of base tube central axis, this external screw thread district and metal
The internal threaded regions 817 of housing is adaptive；Screwed pipe plug is provided with outer-hexagonal away from the periphery wall of one end of base tube central axis and twists
Portion 842；The center of screwed pipe plug is provided with tube chamber 843；Screwed pipe plug is fixedly installed in cannelure by its external screw thread district；
Spring is connected on heat-conducting block close to one end of base tube central axis, and spring abuts away from the other end of base tube central axis
On screwed pipe plug；On heat-conducting block two connect electric mortiser post and are positioned in the tube chamber 843 of screwed pipe plug.
This structure has the following advantages, owing to metal shell is easily deformed when extruding cable, and extrusion temperature sensor
Heat-conducting block, if heat-conducting block does not has mobile space, then easily pressurized deformation damages；The present embodiment, can by arranging spring
Heat-conducting block is crimped on the diapire of metal shell storage tank so that it is can correctly predict cable and junction, base tube pressure pipe portion
Real time temperature；Can also be when, after metal shell compressive deformation, reserving mobile space to heat-conducting block, thus prevent heat-conducting block by pressurized
Damage；This structure has preferably Practical Performance.
In concrete practice, multiple installation screw and multiple temperature sensing device can be set on base tube, for often
One cable and the temperature with junction, base tube pressure pipe portion monitor in real time, thus realize the further intelligence that power network monitoring runs
Energyization.
(embodiment 3)
The present embodiment and embodiment 2 are essentially identical, and difference is: as shown in Figure 11, and the present embodiment also includes Current Mutual Inductance
Device 7；This current transformer includes toroidal inductive body 71 and intelligent control module 72；In the present embodiment, intelligent control module 72
Making and have the ring-type of onesize vestibule with toroidal inductive body, annular perception sensing body and intelligent control module set side by side
Put combination and form annular, on the overall sheathed outer wall being fixed on base tube of current transformer.In concrete practice, as long as making to own
Clamp hole is positioned in the vestibule of toroidal inductive body, namely has only to so that cable passes the vestibule of toroidal inductive body i.e.
Can.
The present embodiment has four clamp holes, but in concrete practice, can only clamp one or three electric power cables；When
During one electric power cable of clamping, toroidal inductive body may be used for faradic current or voltage signal, now can be general as one
Logical curtage transformer uses；When clamping three electric power cables, toroidal inductive body may be used for sensing zero sequence electricity
Stream signal, finds leak current fault in time, now can use as a zero sequence current mutual inductor；The present embodiment is to select clamping
Article three, electric power cable, namely use as a high pressure zero sequence current mutual inductor.
Intelligent control module can include wireless transmit/receive units, and intelligent control module is felt annular by wireless transmit/receive units
The current signal answering body to sense sends distance host to, to realize accurate long-range no worker monitor.
The internal perisporium of intelligent control module 72 is provided with inwardly projecting two and connects electric bushing (being not drawn on figure), respectively connects electricity
Socket inserts corresponding one and connects in electric bushing, so that temperature sensor is connected with the middle control circuit in intelligent control module.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these
Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.
Claims (4)
1. a wedge clamp, it is characterised in that: include base tube, stem stem, bolt and cleat assembly；Base tube includes pressure pipe portion and envelope
Plate portion；Shrouding portion and pressure pipe portion are relatively fixed setting；Shrouding portion is provided with spacing slide opening and through wires hole；The inwall in pressure pipe portion is provided with
Crimping boss；Stem stem be shaped as frustum, the periphery wall of stem stem is axially arranged with along pressure pipe portion jacking sliding groove and as top
The taper electrolysis of pressure chute diapire；The center of stem stem is axially arranged with center screw along pressure pipe portion；Cleat assembly includes clamp
Plate；The inwall of clamp is provided with the guiding slide unit adaptive with jacking sliding groove；Each clamp is provided with guide chute；Respectively crimp boss
It is provided with the spacing traveller by adaptive with guide chute thus spacing clamp moving direction；Clamp is just to a corresponding pressure
Connecing boss to arrange, each clamp and a corresponding crimping boss clamping form a clamp hole；Each through wires hole in shrouding portion and
The connection of a corresponding clamp hole；Bolt includes the body of rod, the fastening part being arranged on body of rod one end and is arranged on body of rod periphery wall
Male threaded joint；The fastening position of bolt is outside shrouding portion, outside the body of rod of bolt makes through the spacing slide opening in shrouding portion
Threaded joints is positioned in the center screw of stem stem；The external diameter of bolt fastening part is more than the spacing slide opening in shrouding portion；Swivel bolt
Stem stem is pulled to move towards the direction close to shrouding portion；Stem stem pushes each clamp by the taper electrolysis in jacking sliding groove
Guide slide unit, and then promote each clamp to make its being moved radially outward along pressure pipe portion, thus clamping is positioned at the electricity in clamp hole
Line of force cable；Base tube is provided with the installation screw extending radially through pressure pipe portion wall body along base tube；This installation screw is fixed with temperature pass
Induction device；Temperature sensing device include having the metal shell of storage tank, the temperature sensor being arranged in storage tank, for will
Temperature sensor is crimped on the spring on storage tank diapire and the screwed pipe plug for limit spring；Temperature sensor includes using
The heat-conducting block that heat conductive insulating elastomeric material is made, the thermo-sensitive resistor being arranged in heat-conducting block, be arranged on heat-conducting block two connect
Electric mortiser post；Heat-conducting block can reciprocatingly slide in the storage tank of metal shell；Heat-conducting block is away from the other end of base tube central axis
Enclosing formation cannelure between external diameter and the internal perisporium of storage tank, spring is positioned in this cannelure and is set in heat-conducting block away from base
On one end of tube hub axis；The center of screwed pipe plug is provided with tube chamber；Screwed pipe plug is fixedly installed on by its external screw thread district
In cannelure；Spring is connected on heat-conducting block close to one end of base tube central axis, and spring is away from another of base tube central axis
End is connected on screwed pipe plug；Two on heat-conducting block connect in the tube chamber that electric mortiser post is positioned at screwed pipe plug.
Wedge clamp the most according to claim 1, it is characterised in that: metal shell sets close to one end of base tube central axis
Having as puncturing the heat conduction boss used, metal shell is provided with interior hexagonal away from one end of base tube central axis and twists groove；Metal
The periphery wall of housing is provided with the external screw thread adaptive with installation screw, and the internal perisporium of storage tank is provided with internal threaded regions；Heat conduction is convex
Platform is to protrude the sharp tooth boss formed close to one end of base tube central axis from metal shell.
Wedge clamp the most according to claim 2, it is characterised in that: heat-conducting block abuts close to one end of base tube central axis
On the diapire of storage tank；Two connect electric mortiser post protrusion and are arranged on the heat-conducting block other end away from base tube central axis.
Wedge clamp the most according to claim 3, it is characterised in that: screwed pipe plug is close to one end of base tube central axis
Periphery wall is provided with external screw thread district, and the internal threaded regions of this external screw thread district and metal shell is adaptive；Screwed pipe plug is away from base tube center
The periphery wall of one end of axis is provided with outer-hexagonal and twists portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610281009.3A CN105990809B (en) | 2016-05-02 | 2016-05-02 | A kind of wedge clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610281009.3A CN105990809B (en) | 2016-05-02 | 2016-05-02 | A kind of wedge clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105990809A true CN105990809A (en) | 2016-10-05 |
| CN105990809B CN105990809B (en) | 2019-02-26 |
Family
ID=57044615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610281009.3A Active CN105990809B (en) | 2016-05-02 | 2016-05-02 | A kind of wedge clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105990809B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361184A (en) * | 2018-11-05 | 2019-02-19 | 江苏畅源电气设备有限公司 | A kind of insulation of strain insulator tenses wire clamp and its application method |
| CN112202125A (en) * | 2020-10-12 | 2021-01-08 | 马亚欣 | Self-adaptive multi-cable doubling fixing method |
| CN112202120A (en) * | 2020-10-12 | 2021-01-08 | 马亚欣 | Self-adaptive multi-cable doubling fixed mounting fixture |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2498833A1 (en) * | 1981-01-29 | 1982-07-30 | Saae | Anchoring block for electrical cable - has two shaped wedges gripping cable in semicircular channel between them |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
-
2016
- 2016-05-02 CN CN201610281009.3A patent/CN105990809B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2498833A1 (en) * | 1981-01-29 | 1982-07-30 | Saae | Anchoring block for electrical cable - has two shaped wedges gripping cable in semicircular channel between them |
| CN104607681A (en) * | 2013-11-03 | 2015-05-13 | 西安志越机电科技有限公司 | Thin-wall round pipe turning and clamping device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109361184A (en) * | 2018-11-05 | 2019-02-19 | 江苏畅源电气设备有限公司 | A kind of insulation of strain insulator tenses wire clamp and its application method |
| CN109361184B (en) * | 2018-11-05 | 2023-10-24 | 江苏畅源电气设备有限公司 | Tension-resistant insulating tension wire clamp and application method thereof |
| CN112202125A (en) * | 2020-10-12 | 2021-01-08 | 马亚欣 | Self-adaptive multi-cable doubling fixing method |
| CN112202120A (en) * | 2020-10-12 | 2021-01-08 | 马亚欣 | Self-adaptive multi-cable doubling fixed mounting fixture |
| CN112202120B (en) * | 2020-10-12 | 2022-11-08 | 城信科技股份有限公司 | Self-adaptive multi-cable doubling fixed mounting fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105990809B (en) | 2019-02-26 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20181227 Address after: 325600 Yuhong Road, Hongqiao Town, Yueqing City, Zhejiang Province Applicant after: Li Jianxun Address before: Room 704, 5 Building, Ganglong City Commercial Plaza, New Area 556 Changjiang Road, Suzhou High-tech Industrial Development Zone, Suzhou City, Jiangsu Province Applicant before: Hu Xiaoqing |
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Address after: 241000 No. 108, siban West Road, sibanshan street, Jiujiang District, Wuhu City, Anhui Province Patentee after: Li Jianxun Address before: 325600 Yuhong Road, Hongqiao Town, Yueqing City, Zhejiang Province Patentee before: Li Jianxun |