CN105680369B - Electric power overhead wire connection construction support and electric wire connection method - Google Patents
Electric power overhead wire connection construction support and electric wire connection method Download PDFInfo
- Publication number
- CN105680369B CN105680369B CN201610193926.6A CN201610193926A CN105680369B CN 105680369 B CN105680369 B CN 105680369B CN 201610193926 A CN201610193926 A CN 201610193926A CN 105680369 B CN105680369 B CN 105680369B
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- wire
- arc piece
- reinforced
- electric power
- inner arc
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 26
- 238000005728 strengthening Methods 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a kind of electric power overhead wire connection construction support and electric wire connection method, electric power overhead wire connection construction support of the present invention includes bottom plate, column and fixture, and column lower end is fixed on bottom plate, and fixture is arranged on column upper end.This bright electric wire connection method uses foregoing electric power overhead wire connection construction support.Support of the present invention can clamp wire so that terminal can be planted in certain height, facilitate the attended operation of wire.The once connection for the existing conductor connecting pipe of terminal that electric wire connection method of the present invention is made has the second consolidation for strengthening seal wire beam again, and the joint being made is than stronger.Lead than a branch of by special tool making, manufacturing speed is fast.So that wire joint efficiency is high.
Description
Technical field
The present invention relates to a kind of wire connection construction support and electric wire connection method.
Background technology
Current wire connection is the hand-held auxiliary of support staff, is processed by workmen scene.It is hand-held auxiliary by support staff
Help, easily cause the displacement of wire connection, the quality reduction of influence wire connection.
The content of the invention
The technical problem to be solved in the present invention is：A kind of electric power overhead wire connection for facilitating two wire connections is provided to apply
Work support, the present invention also provides a kind of electric wire connection method using foregoing electric power overhead wire connection construction support.
In order to solve the above-mentioned technical problem, the present invention includes bottom plate, column and fixture, and column lower end is fixed on bottom plate,
Fixture is arranged on column upper end.
In order that being provided with rivet on the clamping wire that support can be stablized, described bottom plate, described column is that height can
The column of regulation, described fixture includes two intermediate plates, and intermediate plate is channel-section steel, and the both wings edges of boards edge of channel-section steel is provided with turned-out turn over
Side, two intermediate plate notch docking, the corresponding flange of two intermediate plates is bolted, and the web of one of intermediate plate is fixed on riser
Upper end.
For the ease of the height of adjusting bracket, described column includes two pipes up and down, and upper pipe is inserted in lower pipe,
Two locating rods are fixed with upper pipe, two locating rods are axially vertical with upper pipe axis, and two locating rods are arranged above and below, under
It is provided with pipe between more than three locating rod hanging holes, the locating rod hanging hole that locating rod hanging hole is arranged above and below in a row, adjacent
Away from identical with the spacing of two locating rods, be provided with vertical long guiding hole on lower pipe, the side of all locating rod hanging holes with
Long guiding hole is connected, and locating rod can pass through in the interface channel of locating rod hanging hole and long guiding hole, all locating rod hanging holes with
The connecting pipeline structure of long guiding hole is identical.
Electric power overhead electric wire connection method of the present invention, comprises the following steps：（1）Led using foregoing any one electric power overhead
Line connection construction support, the bottom plate of two electric power overhead wire connection construction supports is fixed on the ground, to be connected by two
Exposed wire is clipped in two fixtures respectively；（2）The connection end of two wires is cut flat with, two wires are connected by wire
Pipe is connected, and one end that two wires are cut flat with is inserted in conductor connecting pipe；（3）Strengthen the connection of two wires：（3-1）Take
Two reinforced wire folders and 2.2-2.5 times of the reinforcement seal wire that many length are conductor connecting pipe length, all reinforcement seal wires are same long,
Reinforced wire folder includes two clamping plates, and clamping plate includes inner arc piece and outer arc piece, and the first end of inner arc piece is led to the first end of outer arc piece
Axle sleeve is crossed to be fixedly connected, axle sleeve external diameter be equal to the difference of outer arc piece external diameter and inner arc piece internal diameter in a free state, outer arc piece and
Inner arc piece is tangent with axle sleeve, and the second end of inner arc piece is connected with the second end of outer arc piece by tablets, outer arc piece it is effective
Radian is 180 degree, and effective radian of inner arc piece is 182-185 degree, and effective radian refers to the contact of corresponding arc piece and axle sleeve to phase
The radian of the other end of arc piece is answered, inner arc piece, tablets and outer arc piece are formed by a complete elastic strip body bending, two folders
The axle sleeve of plate is enclosed on a bearing pin, and the axle sleeve of two clamping plates is staggered upwards in inner arc bobbin, all inner arcs of two clamping plates
Piece and outer arc piece in the axial direction with long and align, the outer arc piece of two clamping plates it is cylindrical on be provided with locking device, inner arc piece exists
Internal diameter under free state is more than 0.5-1 millimeters of the external diameter of wire to be connected, when locking device locking, the plain film of two clamping plates
Body just pair and is affixed；（3-2）The two ends for strengthening seal wire are inserted respectively into two reinforced wire folders, and make the end of reinforcement seal wire
The opposite side that portion is pressed from both sides from reinforced wire exposes 2-3 millimeters, makes reinforcement seal wire side by side and separates；（3-3）By two reinforced wire folders point
It is not set on two wires, and makes two reinforced wire folders positioned at the both sides of conductor connecting pipe；（3-4）Close up two reinforced wire folders
And locking device, inner arc piece deforms and compresses reinforcement seal wire；（3-5）Opposite direction rotates two reinforced wire folders, and makes
Reinforced wire, which is clipped on conductor length direction, to be kept freely, making seal wire tightly wrap on conductor connecting pipe and wire, forms seal wire beam；
（3-6）The two ends of seal wire beam are tightened with other seal wire, lashing location presss from both sides the side of adjacent wires connecting tube in reinforced wire；
（3-7）Open locking device, first along conductor length direction and to away from conductor connecting pipe direction move reinforced wire folder, make plus
Strong seal wire exits reinforced wire folder, then removes from wire reinforced wire folder；（3-8）Other seal wire is taken to twine seal wire beam two ends again
Around multi-turn, the end of seal wire beam is covered.
For the reliability of the articulated structure that improves two clamping plates, described each clamping plate have two it is coaxial and spaced apart
Axle sleeve, on bearing pin, two adjacent axle sleeves are respectively the axle sleeve of different clamping plates.
The beneficial effects of the invention are as follows：Support of the present invention can clamp wire so that terminal can be planted in certain height
Degree, facilitates the attended operation of wire.The existing conductor connecting pipe of terminal that electric wire connection method of the present invention is made once connects
The second consolidation for strengthening seal wire beam is connect and has, the joint being made is than stronger.Lead than a branch of by special tool making, make
Speed is fast.So that wire joint efficiency is high.
Brief description of the drawings
Fig. 1 is the structural representation of electric power overhead wire connection construction support of the present invention；
Fig. 2 is Fig. 1 partial enlarged drawing；
Fig. 3 is wire connection construction signal diminution figure of the present invention；
Fig. 4 is signal enlarged drawing when wire strengthens connection；
Fig. 5 is the schematic diagram that seal wire is strengthened in reinforced wire folder insertion；
Fig. 6 is the upward view of reinforced wire folder；
Fig. 7 is the schematic diagram that reinforced wire is installed on wire；
In figure：1st, intermediate plate, 2, bolt, 3, upper pipe, 4, lower pipe, 5, bottom plate, 6, rivet, 7, locating rod hanging hole, 8, fixed
Position bar, 9, long guiding hole, 10, wire, 11, conductor connecting pipe, 12, reinforced wire folder, 13, strengthen seal wire, 14, seal wire.It is 12-1, outer
Arc piece, 12-2, inner arc piece, 12-3, bearing pin, 12-4, axle sleeve, 12-5, locking plate, 12-6, tablets, 12-7, lock pin.
Embodiment
Electric power overhead wire connection construction support as shown in Figure 1, it includes bottom plate 5, column and fixture, and column lower end is solid
It is scheduled on bottom plate 5, fixture is arranged on column upper end.Rivet 6 is provided with bottom plate 5, for by bottom plate rivet clasp on the ground, column
It is Height Adjustable column, fixture includes two intermediate plates 1, and intermediate plate 1 is channel-section steel, and the both wings edges of boards of channel-section steel are turned-out along being provided with
Flange, two notches of intermediate plate 1 docking, the corresponding flange of two intermediate plate 1 connected by bolt 2, and the web of one of intermediate plate 1 is consolidated
It is scheduled on riser upper end.Column includes two pipes up and down, and upper pipe 3 is inserted in lower pipe 4.As shown in Fig. 2 solid on upper pipe 3
Surely there are two locating rods 8, two locating rods 8 are axially vertical with the upper axis of pipe 3, and two locating rods 8 are arranged above and below, lower pipe 4
On be provided with more than three locating rod hanging holes 7, the spacing for the locating rod hanging hole 7 that locating rod hanging hole 7 is arranged above and below in a row, adjacent
It is identical with the spacing of two locating rods 8, vertical long guiding hole 9, the side of all locating rod hanging holes 7 are provided with lower pipe 4
Connected with long guiding hole 9, locating rod 8 can pass through in interface channel of the locating rod hanging hole 7 with long guiding hole 9, all locating rods
Hanging hole 7 is identical with the connecting pipeline structure of long guiding hole 9.So that two locating rods 8 can synchronously exit two locating rods
Hanging hole 7, and can pass through in long guiding hole 9, the optionally other locating rod hanging holes 7 of energy, so as to adjust the height of upper pipe 3.
Electric power overhead electric wire connection method of the present invention, comprises the following steps：（1）As shown in figure 3, using this specific embodiment
Electric power overhead wire connection construction support, the bottom plate of two electric power overhead wire connection construction supports is fixed on the ground, by two
Root exposed wire 10 to be connected is clipped in two fixtures respectively, and exposed wire refers to the wire without insulated hull；（2）Will
The connection end of two wires 10 is cut flat with, and two wires 10 are connected by conductor connecting pipe 11, two wires 10 be cut flat with one
End is inserted in conductor connecting pipe 11, and the connection of wire and conductor connecting pipe uses prior art；（3）Two wires 10 of reinforcement
Connection：（3-1）As shown in Figure 4, Figure 5, Figure 6 and Figure 7, it is conductor connecting pipe 11 to take two reinforced wires to press from both sides 12 and Duo Gen length
The reinforcement seal wire 13 of 2.2-2.5 times of length, all reinforcement seal wires 13 include two clamping plates, clamping plate bag with length, reinforced wire folder 12
Inner arc piece 12-2 and outer arc piece 12-1 are included, inner arc piece 12-2 first end is solid by axle sleeve 12-4 with outer arc piece 12-1 first end
Fixed connection, axle sleeve 12-4 external diameters are equal to the difference of outer arc piece 12-1 external diameters and the internal diameter of inner arc piece 12 in a free state, outer arc piece
12-1 and inner arc piece 12-2 are tangent with axle sleeve 12-4, and inner arc piece 12-2 the second end passes through flat with outer arc piece 12-1 the second end
Lamellar body 12-6 connections, outer arc piece 12-1 effective radian is 180 degree, and inner arc piece 12-2 effective radian is 182-185 degree, effectively
Radian refers to corresponding arc piece and axle sleeve 12-4 contact to the radian of the other end of corresponding arc piece, inner arc piece 12-2, tablets 12-
6 and outer arc piece 12-1 is formed by a complete elastic strip body bending, so that inner arc piece 12-2 is easily deformable, two clamping plates
Axle sleeve 12-4 be enclosed on a bearing pin 12-3, the axle sleeve of two clamping plates is staggered in inner arc piece 12-2 axial direction, two folder
All inner arc piece 12-2 and outer arc piece 12-1 of plate in the axial direction with long and align, the outer arc piece 12-1 of two clamping plates it is cylindrical on
It is provided with locking device.Locking device includes locking plate 12-5 and lock pin 12-7, and lock pin 12-7 is fixed on an outer arc piece 12-1,
Locking plate 12-5 is rotatably connected on another outer arc piece 12-1, there is the lockhole for tangling lock pin 12-7 on locking plate 12-5.Inner arc
The internal diameters of piece 12-2 in a free state are more than 0.5-1 millimeters of the external diameter of wire 10 to be connected, when locking device locking, two
The tablets 12-6 of clamping plate just pair and is affixed；（3-2）The two ends for strengthening seal wire 13 are inserted respectively into two reinforced wire folders 12
In, and the opposite side for making the end of reinforcement seal wire 13 be pressed from both sides from reinforced wire exposes 2-3 millimeters, makes reinforcement seal wire 13 side by side and separates
Open；（3-3）Two reinforced wires are pressed from both sides into 12 to be set to respectively on two wires 10, and two reinforced wire folders 12 is located at wire and are connected
The both sides of pipe 11；（3-4）Close up two reinforced wires folder and locking device, inner arc piece 12-2 deforms and compresses reinforcement
Seal wire 13；（3-5）Opposite direction rotates two reinforced wire folders 12, and reinforced wire folder 12 is kept on conductor length direction freely,
Reinforcement seal wire 13 is set to tightly wrap on conductor connecting pipe 11 and wire 10（Two reinforced wire folders 12 can be driven by strengthening the twisting of seal wire 13
Gather to centre）, form seal wire beam；（3-6）The two ends of seal wire beam are tightened with other seal wire 14, lashing location is being strengthened
The side of silk 12 adjacent wires connecting tubes 11 of folder（As shown in Figure 4）；（3-7）Locking device is opened, first along the length direction of wire 10
And to the direction movement reinforced wire folder 12 away from conductor connecting pipe 11, reinforcement seal wire 13 is exited reinforced wire folder, then from wire 10
On remove reinforced wire folder 12；（3-8）Take other seal wire that seal wire beam two ends are wound into multi-turn again, the end of seal wire beam is covered.
Reinforced wire, which presss from both sides 12 each clamping plates, two coaxial and spaced apart axle sleeve 12-4（As shown in Figure 6）, in bearing pin 12-3
On, two adjacent axle sleeve 12-4 are respectively the axle sleeve of different clamping plates.Conductor connecting pipe 11, reinforcement seal wire 13 and all seal wires
Use conductive material.
The specific radian design of outer arc piece and inner arc piece so that during locking system locking, two outer arc pieces are indeformable
In the case of just constitute a positive round, and inner arc piece is forced to the Direction distortion increased to internal diameter, so that inner arc piece will
Strengthen seal wire to clamp, and cause the gap increase between inner arc piece and wire, be easy to reinforced wire to be clipped on wire and move.Due to
Inner arc piece, tablets and outer arc piece are elastic strip body, in inner arc piece toward when being inserted on wire, the opening of inner arc piece can be made appropriate
Become big, be easy to be set on wire, after being set on wire, then lock locking system.
Claims (4)
1. a kind of electric power overhead electric wire connection method, it is characterised in that：Comprise the following steps：（1）Connected using electric power overhead wire
Construction bracket is connect, electric power overhead wire connection construction support includes bottom plate, column and fixture, and column lower end is fixed on bottom plate,
Fixture is arranged on column upper end, and the bottom plate of two electric power overhead wire connection construction supports is fixed on the ground, by two companies for the treatment of
The exposed wire connect is clipped in two fixtures respectively；（2）The connection end of two wires is cut flat with, two wires are passed through into wire
Connecting tube is connected, and one end that two wires are cut flat with is inserted in conductor connecting pipe；（3）Strengthen the connection of two wires：（3-
1）It is 2.2-2.5 times of reinforcement seal wire of conductor connecting pipe length, all reinforcement seal wires to take two reinforced wire folders and many length
With length, reinforced wire folder includes two clamping plates, and clamping plate includes inner arc piece and outer arc piece, the first end of inner arc piece and the first of outer arc piece
End is fixedly connected by axle sleeve, and axle sleeve external diameter is equal to the difference of outer arc piece external diameter and inner arc piece internal diameter in a free state, outer arc
Piece and inner arc piece are tangent with axle sleeve, and the second end of inner arc piece is connected with the second end of outer arc piece by tablets, outer arc piece
Effective radian is 180 degree, and effective radian of inner arc piece is 182-185 degree, and effective radian refers to the contact of corresponding arc piece and axle sleeve
To the radian of the other end of corresponding arc piece, inner arc piece, tablets and outer arc piece are formed by a complete elastic strip body bending, and two
The axle sleeve of individual clamping plate is enclosed on a bearing pin, and the axle sleeve of two clamping plates is staggered upwards in inner arc bobbin, two clamping plates it is all
Inner arc piece and outer arc piece in the axial direction with long and align, the outer arc piece of two clamping plates it is cylindrical on be provided with locking device, inner arc
The internal diameter of piece in a free state is more than 0.5-1 millimeters of the external diameter of wire to be connected, when locking device locking, two clamping plates
Tablets just pair and is affixed；（3-2）The two ends for strengthening seal wire are inserted respectively into two reinforced wire folders, and make reinforcement seal wire
The opposite side that is pressed from both sides from reinforced wire of end expose 2-3 millimeters, make reinforcement seal wire side by side and separate；（3-3）By two reinforced wires
Folder is set on two wires respectively, and makes two reinforced wire folders positioned at the both sides of conductor connecting pipe；（3-4）Close up two reinforcements
Silk folder and locking device, inner arc piece deform and compress reinforcement seal wire；（3-5）Opposite direction rotates two reinforced wire folders,
And reinforced wire is clipped in holding on conductor length direction freely, makes seal wire tightly wrap on conductor connecting pipe and wire, forms seal wire
Beam；（3-6）The two ends of seal wire beam are tightened with other seal wire, lashing location presss from both sides the one of adjacent wires connecting tube in reinforced wire
Side；（3-7）Locking device is opened, elder generation along conductor length direction and moves reinforced wire folder to the direction away from conductor connecting pipe, made
Strengthen seal wire and exit reinforced wire folder, then remove from wire reinforced wire folder；（3-8）Other seal wire is taken again by seal wire beam two ends
Multi-turn is wound, the end of seal wire beam is covered.
2. electric power overhead electric wire connection method according to claim 1, it is characterised in that：Described each clamping plate has two
Coaxial and spaced apart axle sleeve, on bearing pin, two adjacent axle sleeves are respectively the axle sleeve of different clamping plates.
3. electric power overhead electric wire connection method according to claim 1, it is characterised in that：Riveting is provided with described bottom plate
Nail, described column is Height Adjustable column, and described fixture includes two intermediate plates, and intermediate plate is channel-section steel, the both wings of channel-section steel
Edges of boards are docked along turned-out flange, two intermediate plate notches are provided with, and the corresponding flange of two intermediate plates is bolted, wherein one
The web of individual intermediate plate is fixed on riser upper end.
4. electric power overhead electric wire connection method according to claim 1, it is characterised in that：Described column includes up and down two
Individual pipe, upper pipe is inserted in lower pipe, and two locating rods, two locating rods axial directions and upper pipe axis are fixed with upper pipe
Vertically, two locating rods are arranged above and below, and more than three locating rod hanging holes are provided with lower pipe, and locating rod hanging hole is arranged above and below into
One row, the spacing of adjacent locating rod hanging hole is identical with the spacing of two locating rods, and it is long to be provided with vertical guiding on lower pipe
Hole, the side of all locating rod hanging holes is connected with long guiding hole, and locating rod can lead in the connection of locating rod hanging hole and long guiding hole
Pass through in road, all locating rod hanging holes are identical with the connecting pipeline structure of long guiding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193926.6A CN105680369B (en) | 2016-03-31 | 2016-03-31 | Electric power overhead wire connection construction support and electric wire connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610193926.6A CN105680369B (en) | 2016-03-31 | 2016-03-31 | Electric power overhead wire connection construction support and electric wire connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105680369A CN105680369A (en) | 2016-06-15 |
| CN105680369B true CN105680369B (en) | 2017-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610193926.6A Active CN105680369B (en) | 2016-03-31 | 2016-03-31 | Electric power overhead wire connection construction support and electric wire connection method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105680369B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117613603B (en) * | 2024-01-22 | 2024-04-26 | 四川省川河盛鑫电力工程有限公司 | Wire connection box |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112876Y (en) * | 2007-09-22 | 2008-09-10 | 贵州航天电器股份有限公司 | Bayonet type fast locking separating single-core electric connector |
| CN204030466U (en) * | 2014-09-05 | 2014-12-17 | 国家电网公司 | Make the auxiliary stand device of power cable connector |
| CN204289755U (en) * | 2014-09-03 | 2015-04-22 | 国家电网公司 | The syndeton of flexible cable and overhead transmission line |
| CN104600632A (en) * | 2014-12-23 | 2015-05-06 | 国家电网公司 | Butting assisting device for crosslinked cable |
| CN204464918U (en) * | 2015-04-13 | 2015-07-08 | 国家电网公司 | A kind of cable intermediate joint protective cradle |
| CN204597356U (en) * | 2015-05-08 | 2015-08-26 | 国网上海市电力公司 | A kind of electrical network emergency device |
-
2016
- 2016-03-31 CN CN201610193926.6A patent/CN105680369B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112876Y (en) * | 2007-09-22 | 2008-09-10 | 贵州航天电器股份有限公司 | Bayonet type fast locking separating single-core electric connector |
| CN204289755U (en) * | 2014-09-03 | 2015-04-22 | 国家电网公司 | The syndeton of flexible cable and overhead transmission line |
| CN204030466U (en) * | 2014-09-05 | 2014-12-17 | 国家电网公司 | Make the auxiliary stand device of power cable connector |
| CN104600632A (en) * | 2014-12-23 | 2015-05-06 | 国家电网公司 | Butting assisting device for crosslinked cable |
| CN204464918U (en) * | 2015-04-13 | 2015-07-08 | 国家电网公司 | A kind of cable intermediate joint protective cradle |
| CN204597356U (en) * | 2015-05-08 | 2015-08-26 | 国网上海市电力公司 | A kind of electrical network emergency device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105680369A (en) | 2016-06-15 |
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