CN105990809B - A kind of wedge clamp - Google Patents
A kind of wedge clamp Download PDFInfo
- Publication number
- CN105990809B CN105990809B CN201610281009.3A CN201610281009A CN105990809B CN 105990809 B CN105990809 B CN 105990809B CN 201610281009 A CN201610281009 A CN 201610281009A CN 105990809 B CN105990809 B CN 105990809B
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- CN
- China
- Prior art keywords
- clamp
- base tube
- stem
- sealing plate
- plate portion
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- 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 kind of wedge clamps, including base tube, stem, bolt and cleat assembly；Base tube includes pressure pipe portion and sealing plate portion；Sealing plate portion is equipped with limit slide opening and threading hole；The inner wall in pressure pipe portion is equipped with crimping boss；The shape of stem be it is pyramidal, stem is equipped with press sliding slot and makees taper electrolysis；Stem is equipped with center screw；Cleat assembly includes clamp；Clamp is equipped with guiding slide unit；For the fastening position of bolt on the outside of sealing plate portion, the body of rod of bolt passes through the limit slide opening in sealing plate portion；The outer diameter in bolt fastening portion is greater than the limit slide opening in sealing plate portion；Rotating bolt pulls stem mobile towards the direction close to sealing plate portion；Each clamp is moved radially outward along pressure pipe portion；Base tube is equipped with the installation screw that pressure pipe portion wall body is extended radially through along base tube；Temperature sensing device is fixed in the installation screw.Structure of the invention more compact and reasonable, be easily installed.
Description
Technical field
A kind of overhead transmission line electric power wedge clamp technical field of the present invention, and in particular to wedge clamp.
Background technique
The bunched cable of power transmission and distribution is usually two cores or four cores, bunched cable is maked somebody a mere figurehead when fixing on utility poles all
It needs using strain clamp.Chinese patent 03210522.3 discloses a kind of four-core centralized cable strain clamp, using two at
The core that the voussoir of cooperation clamps cable being penetrated in the wedge cavities of wire clamp again and is tensioned, wedge-like engagement can make cable the more open the more tight,
Also it is hardly damaged core.But the voussoir cooperated in pairs using two is clamped conducting wire and may generate Relative sliding, influences to clamp
Reliability.This strain clamp is also needed during installation by parallel four-core centralized cable to being twisted into square, and is mounted on wire clamp
In the same wedge cavities, more bothersome to turning round, generally requiring more talents can be completed, not convenient enough.Moreover, general strain clamp
It is all to be manufactured using metal, weight is big, at high cost, it is also possible to corrode, built on stilts installation operation is relatively elaborate, reduces construction effect
Rate.
Summary of the invention
The object of the present invention is to provide a kind of structure more compact and reasonables, the wedge clamp being easily installed.
Realizing the technical solution of the object of the invention is:
The present invention has the effect of positive: (1) structure more compact and reasonable；Stem and bolt threadably connect, and
Taper electrolysis by pressing sliding slot, which crimps each clamp, makes it clamp electric power cable, operates more laborsaving；(2) in anticreep
Under the engagement locking of chisel teeth and anticreep tooth, also there is preferable anti-loosening effect.(3) it is radially passed through since base tube is equipped with along base tube
The installation screw of pressure pipe portion wall body is worn, is fixed with temperature sensing device in installation screw；So the present invention also has real-time temperature
Spend monitoring function.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of the first structure of the invention；
Fig. 2 be Fig. 1 shown in wedge clamp from another angle when a kind of schematic perspective view；
Fig. 3 is a kind of positive structure diagram of wedge clamp shown in Fig. 1；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is a kind of schematic perspective view of base tube in wedge clamp shown in Fig. 1；
Fig. 6 is a kind of half section structure diagram of base tube shown in Fig. 5；
Fig. 7 is a kind of explosive view of wedge clamp shown in Fig. 1；
Fig. 8 be Fig. 1 shown in wedge clamp from another angle when a kind of explosive view；
Fig. 9 is a kind of half section structure diagram of second of structure of the invention；
Figure 10 is the partial enlargement diagram in Fig. 9 at B；
Figure 11 is a kind of half section structure diagram of the third structure of the invention.
Specific embodiment
(embodiment 1)
The present embodiment is a kind of wedge clamp, as shown in Fig. 1 to Fig. 8, including base tube 1, stem 2, bolt 3 and cleat assembly
4；Base tube 1 includes pressure pipe portion 11 and the sealing plate portion 12 positioned at pressure pipe portion one end；The shape in pressure pipe portion is round, the inner wall in pressure pipe portion
It is equipped with crimping boss 13, the inner wall for crimping boss is equipped with arc groove 14.Base tube is made into integration, and crimps boss from pressure pipe portion
It projects radially inwards to be formed on inner wall, crimping boss axially penetrates through the inner wall in pressure pipe portion along pressure pipe portion.
In the present embodiment, set in pressure pipe portion there are four boss is crimped, four crimping boss are along the circumferential uniform of pressure pipe portion
It is distributed on the inner wall in pressure pipe portion.
It sets on the two sidewalls of each crimping boss there are two the limit traveller 15 protruded towards pressure pipe portion center, limits traveller edge
Pressure pipe portion is arranged radially.
Sealing plate portion 12 is equipped with threading hole 16 and limit slide opening 17；
In the present embodiment, sealing plate portion is equipped with a limit slide opening and four threading holes；Sealing plate portion is arranged in limit slide opening
At center, threading hole is uniformly arranged on the peripheral side of limit hole.
The shape of stem be it is pyramidal, be axially arranged with four press sliding slots 21 along pressure pipe portion on the periphery wall of stem, each top
Multiple anticreep chisel teeths 22 are additionally provided in pressure sliding slot；Center screw 23 is axially arranged with along pressure pipe portion at the center of stem.Each press
The bottom wall of sliding slot is as taper electrolysis 211.
Cleat assembly includes four clamps 41；The inner wall of each clamp is equipped with and presses the guiding slide unit of sliding slot adaptation
411, axial direction setting of the guiding slide unit along pressure pipe portion；The outer wall of each clamp is equipped with arc clip slot 412, the two sides of each clamp
Guide chute 413 is additionally provided on wall；The limit traveller of each crimping boss is located in a corresponding guide chute, so that clamp edge
It is mobile to limit traveller direction；It is each to limit traveller being arranged radially along pressure pipe portion in the present embodiment, therefore clamp can only be along pressure pipe
The radial of portion moves back and forth.
In the present embodiment, the axial ends on the two sidewalls of each clamp is respectively provided with a positive stop lug boss 417, this two limits
Position boss clamping forms the guide chute 413.
In the present embodiment, each slide unit that is oriented to has and the taper stress surface of stem jacking sliding groove bottom wall adaptation, the taper by
Power face is substantially also as the inner wall of clamp 414；When the guiding slide unit of each clamp is located in stem press sliding slot, clamp
The outer wall 415 of plate is parallel with the inner wall 131 of a corresponding crimping boss；The corresponding crimping boss setting of each clamp face,
Each arc clip slot and a corresponding arc groove clamping form a clamp hole 5, and the present embodiment forms four clamp holes altogether；Sealing plate portion
On the also face corresponding clamp hole setting of each threading hole.
Stem, cannot be in the transfer of pressure pipe portion under its limit mating reaction for pressing the guiding slide unit of sliding slot and clamp
It is dynamic, it can only be along the axial movement in pressure pipe portion.
The conical outer wall of each guiding slide unit namely the inner wall 414 of clamp are equipped with multiple anticreep teeth 416, and each anticreep tooth is used
In the anticreep wedge shape tooth engagement with stem, anti-skidding anti-retrogression.
Rotating bolt pulls stem mobile towards the direction close to sealing plate portion；Stem passes through the taper crimping in press sliding slot
Face pushes the guiding slide unit of each clamp, and then each clamp is pushed to make its being moved radially outward along pressure pipe portion, to clamp
Electric power cable in clamp hole.
The present embodiment from insulating power cable in order to connect electricity or promote chuck strength, also in each arc clip slot and arc groove
In be equipped with it is multiple puncture 6；Specifically, each radially protruding punctured along base tube.The presence of puncture, may not need to insulating power
Cable carries out peeling processing, can effectively connect electricity.In concrete practice, if what is clamped is bare wire, it can be not provided with puncturing.
In the present embodiment, each claw is the integral piece made of casting forming, and each puncture is made in casting forming；?
In concrete practice, puncture can also be used other way and be made；Such as multiple installation cards are equipped in each arc clip slot and arc groove
Then slot is inlaid in the puncture piece made of punching in corresponding installation card slot；Puncturing piece includes mounting portion and thorn sword
Portion, mounting portion are inlaid in installation card slot, and thorn blade then exposes installation card slot and forms puncture.The benefit of this structure is to puncture piece
It can be made of the material different with claw, especially select and be made to same material used in clamp cable, is help to obtain
Preferable electric property.In concrete practice, can also using in each arc clip slot and arc groove be arranged screw thread by the way of,
It can improving clamping sigma compactness energy.
The present embodiment has following advantageous effects: (1) operation is more laborsaving, has preferable anti-loosening effect；.
(embodiment 2)
The present embodiment and embodiment 1 are essentially identical, the difference is that: as shown in Fig. 9 and Figure 10, base tube 1 is equipped with along base
Pipe extends radially through the installation screw 18 of 11 wall body of pressure pipe portion；Temperature sensing device 8 is fixed in the installation screw；
Temperature sensing device includes the metal shell 81 made of metal material with accommodation groove 811, is arranged in accommodation groove
In temperature sensor 82, the spring 83 for temperature sensor to be crimped in accommodating groove bottom wall, be used for the spiral shell of limit spring
Pipe plug 84；
Metal shell is equipped with the thermally conductive boss 813 used as puncture, metal-back close to one end of base tube central axis 812
Body is equipped with interior hexagonal far from one end 814 of base tube central axis and twists slot 815；The periphery wall of metal shell is equipped with and installs spiral shell
The internal perisporium of the external screw thread 816 of hole adaptation, accommodation groove is equipped with internal threaded regions 817；Thermally conductive boss is from metal shell close to base
The sharp tooth boss that the protrusion of one end 812 of tube hub axis is formed；
Temperature sensor includes using heat-conducting block 821 made of heat conductive insulating rubber material, the U-shaped being arranged in heat-conducting block
Thermo-sensitive resistor 822, two be arranged on heat-conducting block connect electric mortiser column 823；Heat-conducting block can be reciprocal in the accommodation groove of metal shell
Sliding；On the bottom wall that one end of heat-conducting block close to base tube central axis is connected to accommodation groove；Two connect the protrusion setting of electric mortiser column and exist
On the other end of the heat-conducting block far from base tube central axis；
Annular is enclosed between the outer diameter of the other end of the heat-conducting block far from base tube central axis and the internal perisporium of accommodation groove
Slot 100, spring are located in the annular groove and are set on the one end of heat-conducting block far from base tube central axis；
Screwed pipe plug close to one end of base tube central axis periphery wall be equipped with external screw thread area 841, the external screw thread area and
The internal threaded regions 817 of metal shell are adapted to；The periphery wall of the one end of screwed pipe plug far from base tube central axis is equipped with outer-hexagonal
Twist portion 842；Lumen 843 is equipped at the center of screwed pipe plug；Screwed pipe plug is fixed at annular groove by its external screw thread area
In；
One end of spring close to base tube central axis is connected on heat-conducting block, the other end of the spring far from base tube central axis
It is connected on screwed pipe plug；Two on heat-conducting block connect electric mortiser column and are located in the lumen 843 of screwed pipe plug.
This structure has the following advantages that, since metal shell is easily deformed when squeezing cable, squeezes temperature sensor
Heat-conducting block, if heat-conducting block does not have mobile space, be easy compression deformation damage；The present embodiment, can by setting spring
Heat-conducting block is crimped on the bottom wall of metal shell accommodation groove, can correctly predict cable and base tube pressure pipe portion junction
Real time temperature；Mobile space can also be reserved to heat-conducting block after metal shell compressive deformation, so that heat-conducting block be prevented to be pressurized
Damage；This structure has preferable practical performance.
In concrete practice, multiple installation screws and multiple temperature sensing devices can be set on base tube, for every
It one cable and is monitored in real time with the temperature of base tube pressure pipe portion junction, to realize the further intelligence of power network monitoring operation
Energyization.
(embodiment 3)
The present embodiment and embodiment 2 are essentially identical, the difference is that: as shown in Figure 11, the present embodiment further includes electric current
Mutual inductor 7；The current transformer includes toroidal inductive ontology 71 and intelligent control module 72；In the present embodiment, intelligent control mould
Block 72 is made into the ring-type for having onesize vestibule with toroidal inductive ontology, and annular perception induction ontology and intelligent control module are simultaneously
Row's setting combination forms annular, and current transformer is integrally arranged on the outer wall for being fixed on base tube.In concrete practice, as long as making
All clamp holes are located in the vestibule of toroidal inductive ontology, namely only it is required that cable passes through the hole of toroidal inductive ontology
Chamber.
There are four clamp holes for the present embodiment tool, but in concrete practice, can only clamp one or three electric power cables；When
When clamping an electric power cable, toroidal inductive ontology can be used for induced current or voltage signal, can be used as at this time one it is general
Logical current or voltage mutual inductor uses；When clamping three electric power cables, toroidal inductive ontology can be used for incuding zero sequence electricity
Signal is flowed, finds leak current fault in time, a zero sequence current mutual inductor is can be used as at this time and uses；The present embodiment is that selection clamps
Three electric power cables, namely used as a high pressure zero sequence current mutual inductor.
Intelligent control module may include wireless transmit/receive units, and intelligent control module feels annular by wireless transmit/receive units
The current signal for answering ontology to sense sends distance host to, to realize accurate long-range no worker monitor.
The internal perisporium of intelligent control module 72 is equipped with inwardly projecting two and connects electric bushing (being not drawn on figure), respectively connects electricity
Socket is inserted into 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 be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the obvious changes or variations that connotation of the invention is extended out and still falls within protection scope of the present invention.
Claims (4)
1. a kind of wedge clamp, it is characterised in that: including base tube, stem, bolt and cleat assembly；Base tube includes pressure pipe portion and envelope
Plate portion；The fixed setting opposite with pressure pipe portion of sealing plate portion；Sealing plate portion is equipped with limit slide opening and threading hole；The inner wall in pressure pipe portion is equipped with
Crimp boss；The shape of stem be it is pyramidal, be axially arranged with press sliding slot and as top along pressure pipe portion on the periphery wall of stem
Press the taper electrolysis of sliding slot bottom wall；Center screw is axially arranged with along pressure pipe portion at the center of stem；Cleat assembly includes clamp
Plate；The inner wall of clamp is equipped with and presses the guiding slide unit of sliding slot adaptation；Each clamp is equipped with guide chute；Each crimping boss
It is equipped with the limit traveller by limiting clamp moving direction with guide chute adaptation；The corresponding pressure of clamp face
Boss setting is connect, the inner wall for crimping boss is equipped with arc groove；The outer wall of clamp be equipped with arc clip slot, each arc clip slot and
A corresponding arc groove clamping forms a clamp hole；Each threading hole in sealing plate portion is connected to a corresponding clamp hole；Bolt
Including the body of rod, the fastening part of body of rod one end is set and is arranged on body of rod periphery wall male threaded joint；The fastening of bolt
Portion is located on the outside of sealing plate portion, and the body of rod of bolt passes through the center that the limit slide opening in sealing plate portion makes male threaded joint be located at stem
In screw hole；The outer diameter in bolt fastening portion is greater than the limit slide opening in sealing plate portion；Rotating bolt pulls stem towards close to sealing plate portion
Direction is mobile；Stem pushes the guiding slide unit of each clamp by the taper electrolysis in press sliding slot, and then pushes each clamp
Plate makes its being moved radially outward along pressure pipe portion, to clamp the electric power cable being located in clamp hole；Base tube is equipped with along base tube diameter
To the installation screw for running through pressure pipe portion wall body；Temperature sensing device is fixed in the installation screw；Temperature sensing device includes
Metal shell with accommodation groove, the temperature sensor being arranged in accommodation groove, for temperature sensor to be crimped on accommodation groove
Spring on bottom wall and the screwed pipe plug for limit spring；Temperature sensor includes using made of heat conductive insulating rubber material
Heat-conducting block, the thermo-sensitive resistor being arranged in heat-conducting block, be arranged on heat-conducting block two connect electric mortiser column；Heat-conducting block can be in metal-back
It reciprocatingly slides in the accommodation groove of body；Between the outer diameter of the other end of the heat-conducting block far from base tube central axis and the internal perisporium of accommodation groove
It is enclosed annular groove, spring is located in the annular groove and is set on the one end of heat-conducting block far from base tube central axis；Screwed pipe
Lumen is equipped at the center of plug；Screwed pipe plug is fixed in annular groove by its external screw thread area；Spring is close in base tube
One end of mandrel line is connected on heat-conducting block, and spring is connected on screwed pipe plug far from the other end of base tube central axis；It is thermally conductive
Two on block connect electric mortiser column and are located in the lumen of screwed pipe plug.
2. wedge clamp according to claim 1, it is characterised in that: one end of metal shell close to base tube central axis is set
There is the thermally conductive boss used as puncture, metal shell is equipped with interior hexagonal far from one end of base tube central axis and twists slot；Metal
The periphery wall of shell is equipped with and the external screw thread of installation screw adaptation, and the internal perisporium of accommodation groove is equipped with internal threaded regions；It is thermally conductive convex
Platform is to protrude the sharp tooth boss to be formed close to one end of base tube central axis from metal shell.
3. wedge clamp according to claim 2, it is characterised in that: heat-conducting block is abutted close to one end of base tube central axis
On the bottom wall of accommodation groove；Two connect electric mortiser column protrusion and are arranged on the other end of the heat-conducting block far from base tube central axis.
4. wedge clamp 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 equipped with external screw thread area, the internal threaded regions adaptation in the external screw thread area and metal shell；Screwed pipe plug is far from base tube center
The periphery wall of one end of axis is equipped 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 CN105990809A (en) | 2016-10-05 |
| CN105990809B true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN112202125B (en) * | 2020-10-12 | 2022-11-29 | 国网冀北电力有限公司廊坊供电公司 | Self-adaptive multi-cable doubling fixing method |
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 |
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| Publication number | Publication date |
|---|---|
| CN105990809A (en) | 2016-10-05 |
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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 |
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