CN114759369B - High-voltage line butt connector for power engineering construction and use method - Google Patents
High-voltage line butt connector for power engineering construction and use method Download PDFInfo
- Publication number
- CN114759369B CN114759369B CN202210390562.6A CN202210390562A CN114759369B CN 114759369 B CN114759369 B CN 114759369B CN 202210390562 A CN202210390562 A CN 202210390562A CN 114759369 B CN114759369 B CN 114759369B
- Authority
- CN
- China
- Prior art keywords
- butt joint
- joint device
- clamping ring
- device body
- ring
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/36—Conductive members located under tip of screw
-
- 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
-
- 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)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to the technical field of electric power, and discloses a high-voltage line butt joint device for electric power engineering construction, which comprises a butt joint device body, a tension detection assembly, a first clamping ring and a second clamping ring, wherein two ends of the butt joint device body are fixedly connected with routing bolts in a threaded manner, connecting rods are fixedly connected to the tops of the routing bolts in a threaded manner, one section of each connecting rod, which is far away from each routing bolt, is fixedly connected with a connecting ring, and four symmetrically distributed supporting rods are fixedly connected to the butt joint device body; when the tension value sent out by the tension sensor at the external PC end is too large, the maintenance can be carried out in a power failure, the routing bolt on the butt joint device body is unscrewed, then the locking nut is screwed to drive the second clamping ring to move towards the butt joint device body, so that the high-voltage wire can be pulled towards the butt joint device body, the wire is put into the butt joint device body again, the maintenance can be completed, people can find that the high-voltage wire joint is loose in time, and then the high-voltage wire joint is corrected.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a high-voltage line butt joint device for electric power engineering construction and a use method thereof.
Background
Along with the technological development of China, high-voltage wires are visible everywhere, and high-voltage wires in cities can be erected in the air, and overhead high-voltage wires in cities all can be provided with insulating layers, but when the high-voltage wires meet heavy wind and heavy rain weather, the high-voltage wires have the danger of breakage.
When the high-voltage line breaks, the broken place is usually reconnected by the connector, because some high-voltage lines are in the air, the high-voltage lines can have a tensile force on the wires fixed in the butt joint device under the action of gravity, the connection between the broken wires and the butt joint device can be loosened for a long time, and people cannot know and maintain the broken danger again.
Disclosure of Invention
The invention mainly aims to provide a high-voltage line butt joint device for power engineering construction and a using method thereof.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a high-voltage line butt joint ware for electric power engineering construction, high-voltage line butt joint ware for electric power engineering construction includes butt joint ware body, pulling force detection component, first snap ring and second snap ring, butt joint ware body both ends spiro union is fixed with the routing bolt, routing bolt top spiro union is fixed with the connecting rod, the connecting rod is kept away from one section fixedly connected with go-between of routing bolt, four symmetrically distributed's bracing piece of fixedly connected with on the butt joint ware body, the bracing piece is close to the one end spiro union of butt joint ware body is fixed with the supporting shoe, pulling force detection component includes tension sensor, stay cord and solid fixed ring, tension sensor and outside PC end signal connection, fixedly connected with dead lever on the first snap ring, be close to on the dead lever fixedly connected with stopper, be close to the solid fixed ring sliding connection of first snap ring is in on the dead lever, fixedly connected with second connecting rod on the second snap ring, the second connecting rod is kept away from the one end fixedly connected with second connecting ring of second connecting ring, the inside tensioning screw rod that is equipped with tensioning screw, tensioning ring and second connecting ring pass through with the tension nut.
The invention is further improved in that a rubber block is fixedly connected to one end, close to the butt joint device body, of the supporting block, a fastening nut is screwed on the supporting rod, the fixing ring, close to the butt joint device body, is pressed and fixed through the fastening nut, a fixing nut is screwed on the fixing rod, and the fixing ring, close to the first clamping ring, is pressed and fixed through the fixing nut.
The invention is further improved in that the two ends of the pull force sensor are fixedly connected with pull ropes, one end of each pull rope, which is far away from the pull force sensor, is fixedly connected with a fixed ring, and the fixed ring, which is close to the butt joint device body, is connected to the supporting rod in a sliding manner.
The invention is further improved in that a protective shell is arranged outside the tension detection assembly, an opening of the protective shell is tooth-shaped, a fixing clamp for fixing the protective shell is sleeved on the protective shell, and the protective shell is made of rubber.
The invention is further improved in that the first clamping ring is internally and fixedly connected with fixed teeth, the fixed teeth are uniformly distributed on the first clamping ring inner ring, the second clamping ring is internally and fixedly connected with stabilizing teeth, and the stabilizing teeth are uniformly distributed on the second clamping ring inner ring.
The invention is further improved in that the second clamping ring is in threaded connection with a fixing bolt, and one end of the fixing bolt inserted into the second clamping ring is in a cone shape.
The invention is further improved in that the first clamping ring is positioned between the second clamping ring and the butt joint device body, the first clamping ring and the second clamping ring are positioned on the same straight line.
The invention further improves a high-voltage line butt joint device for power engineering construction and a using method thereof, and the high-voltage line butt joint device comprises the following components:
a: when the tension detection assembly is used, firstly, broken wires inside the high-voltage wires are stripped, then the wires are inserted into two ends of the butt joint device body, then the routing bolts are screwed into the butt joint device body, the wires entering the butt joint device body are pressed and fixed through the routing bolts, then the first clamping ring is arranged on the high-voltage wires, two fixing rings on the tension detection assembly are respectively arranged on the fixing rod and the supporting rod, then tension data detected by the tension sensor are recorded, the protective housing is arranged outside the tension detection assembly, the protective housing is fixed through the fixing clamp, and the protective housing plays a role in protecting the tension detection assembly.
B: install the second snap ring on the high-voltage line, make second go-between and go-between be located same straight line, can increase the fastness between second snap ring and the high-voltage line through stabilizing tooth and fixing bolt, then run through second go-between and go-between with the tensioning screw rod in proper order, install lock nut on the tensioning screw rod again, accomplish its installation.
C: because some high-voltage lines are in the sky, the high-voltage lines can have a pulling force to the wire fixed in the butt joint device body under the action of gravity, the long time can possibly lead to the connection between the wire of fracture department and the butt joint device body to take place not hard up, the high-voltage lines can gradually draw out the butt joint device body to one side when taking place not hard up, the pulling force that the tension sensor receives will increase this time, when the external PC end tensile force value that the tension sensor sent out is too big, just can cut out the power supply and maintain, the maintenance workman can screw in the second snap ring inside, make its front end cone position prick high-voltage line insulating layer inside, fixing bolt does not prick the insulating layer, fixing bolt is insulating bolt moreover, increase the fastness between second snap ring and the high-voltage line, unscrew the setting bolt on the butt joint device body, then screw up lock nut drives the second snap ring to the butt joint device body, thereby can drag the high-voltage lines to the butt joint device body, put the wire in the butt joint device body again inside, just can accomplish the maintenance in time, people can find that the high-voltage line connects not hard up, then revise it.
Compared with the prior art, the invention has the beneficial effects that:
when the connection part is loosened, the high-voltage wire can be gradually pulled out of the butt joint body to one side, the tension detected by the tension sensor can be increased, when the tension value sent by the tension sensor at the external PC end is overlarge, the power can be cut off for maintenance, the routing bolt on the butt joint body is unscrewed, then the locking nut is screwed to drive the second clamping ring to move towards the butt joint body, so that the high-voltage wire can be pulled towards the butt joint body, the wire is put into the butt joint body again, maintenance can be completed, and people can timely find that the high-voltage wire joint is loosened and then correct the high-voltage wire joint.
Drawings
FIG. 1 is a schematic diagram of a high voltage line connector for power engineering construction and a method of use thereof;
FIG. 2 is a schematic diagram of another construction of the high voltage line connector for power engineering construction and method of use of the present invention;
FIG. 3 is a schematic diagram of the construction of the tension sensing assembly and the protective housing;
FIG. 4 is a schematic diagram of a tension detecting assembly;
FIG. 5 is a schematic view of the structure of the first snap ring;
FIG. 6 is a schematic view of the structure of the protective housing and the first snap ring;
FIG. 7 is a schematic view of a second snap ring;
in the figure: 1. a dockee body; 11. a routing bolt; 111. a connecting rod; 112. a connecting ring; 12. a support rod; 13. a support block; 131. a rubber block; 132. a fastening nut; 2. a tension detecting assembly; 21. a tension sensor; 22. a pull rope; 23. a fixing ring; 3. a protective housing; 31. fixing the clamp; 4. a first snap ring; 41. a fixed rod; 411. a limiting block; 412. a fixing nut; 42. a fixed tooth; 5. a second snap ring; 51. a second connecting rod; 511. a second connecting ring; 52. stabilizing the teeth; 53. a fixing bolt; 6. tensioning the screw; 61. and (5) locking the nut.
Detailed Description
The present invention will be further described with reference to the following detailed description, wherein the drawings are for illustrative purposes only and are shown in schematic drawings, rather than physical drawings, and are not to be construed as limiting the present invention, and in order to better explain the detailed description of the invention, certain components of the drawings may be omitted, enlarged or reduced in size, and not represent the actual product, and it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the invention based on the detailed description of the present invention.
Example 1
Referring to fig. 1-6, a high-voltage line butt joint device for power engineering construction comprises a butt joint device body 1, a tension detection assembly 2, a first clamping ring 4 and a second clamping ring 5, wherein the two ends of the butt joint device body 1 are fixedly connected with a routing bolt 11 in a threaded manner, the top of the routing bolt 11 is fixedly connected with a connecting rod 111 in a threaded manner, one section of the connecting rod 111, which is far away from the routing bolt 11, is fixedly connected with a connecting ring 112, four symmetrically distributed supporting rods 12 are fixedly connected to the butt joint device body 1, one end of the supporting rod 12, which is close to the butt joint device body 1, is fixedly connected with a supporting block 13, one end of the supporting block 13, which is close to the butt joint device body 1, is fixedly connected with a rubber block 131, the tension detection assembly 2 comprises a tension sensor 21, a pull rope 22 and a fixing ring 23, two ends of the tension sensor 21 are fixedly connected with pull ropes 22, one end of the pull rope 22, which is far away from the tension sensor 21, is fixedly connected with the fixing ring 23, the fixed ring 23 close to the butt joint body 1 is slidingly connected on the supporting rod 12, the outside of the tension detection assembly 2 is provided with a protective shell 3, the opening part of the protective shell 3 is tooth-shaped, the protective shell 3 is sleeved with a fixing clamp 31 for fixing the protective shell 3, the protective shell 3 is made of rubber, the supporting rod 12 is in threaded connection with a fastening nut 132, the fixed ring 23 close to the butt joint body 1 is tightly pressed and fixed through the fastening nut 132, the tension sensor 21 is in signal connection with an external PC end, the first clamping ring 4 is fixedly connected with a fixed rod 41, the fixed rod 41 is fixedly connected with a limiting block 411, the fixed rod 41 is in threaded connection with a fixed nut 412, the fixed ring 23 close to the first clamping ring 4 is tightly pressed and fixed through the fixed nut 412, firstly, a broken wire inside the high-voltage wire is stripped, then the wire is inserted into two ends of the butt joint body 1, and then the wire fixing bolt 11 is screwed into the butt joint body 1, the wire entering the inside of the butt joint device body 1 is pressed and fixed through the routing bolt 11, then the first clamping ring 4 is installed on a high-voltage wire, the two fixing rings 23 on the tension detection assembly 2 are respectively installed on the fixing rod 41 and the supporting rod 12, the two fixing rings 23 are respectively fixed through the fastening nut 132 and the fixing nut 412, tension data detected by the tension sensor 21 are recorded as initial data, the protective housing 3 is installed outside the tension detection assembly 2, the protective housing 3 is fixed through the fixing clamp 31, the tension detection assembly 2 is protected through the protective housing 3, and the fixing rings 23 close to the first clamping ring 4 are slidingly connected on the fixing rod 41.
Referring to fig. 1 and 7, the first snap ring 4 is fixedly connected with fixing teeth 42, the fixing teeth 42 are uniformly distributed on the inner ring of the first snap ring 4, the second snap ring 5 is fixedly connected with stabilizing teeth 52, the stabilizing teeth 52 are uniformly distributed on the inner ring of the second snap ring 5, the second snap ring 5 is screwed with a fixing bolt 53, one end of the fixing bolt 53 inserted into the second snap ring 5 is cone-shaped, the first snap ring 4 is positioned between the second snap ring 5 and the butt joint body 1, the first snap ring 4 and the second snap ring 5 are positioned on the same straight line, the second snap ring 5 is fixedly connected with a second connecting rod 51, one end fixedly connected with second go-between 511 of second snap ring 5 is kept away from to second connecting rod 51, the inside tensioning screw rod 6 that is equipped with of second go-between 511, tensioning screw rod 6 runs through second go-between 511 and go-between 112, and tensioning screw rod 6 is close to the one end spiro union that go-between 112 has lock nut 61, install second snap ring 5 on the high-pressure line, make second go-between 511 and go-between 112 lie in same straight line, can increase the fastness between second snap ring 5 and the high-pressure line through stabilizing tooth 52 and fixing bolt 53, then run through second go-between 511 and go-between 112 with tensioning screw rod 6 in proper order, install lock nut 61 on the tensioning screw rod 6 again, accomplish its installation.
The working principle of the invention is as follows: when the external PC end subtracts the original tension value from the tension sensor 21, when the tension sensor 21 is stressed too much, the power can be cut off for maintenance, a maintenance worker can screw the fixing bolt 53 into the second clamping ring 5, the conical part at the front end of the fixing bolt is pricked into the insulating layer of the high-voltage wire, the fixing bolt 53 does not prick the insulating layer, the fixing bolt 53 is an insulating bolt, the firmness between the second clamping ring 5 and the high-voltage wire is increased, the routing bolt 11 on the butt joint body 1 is unscrewed, then the locking nut 61 is screwed to drive the second clamping ring 5 to move towards the butt joint body 1, so that the high-voltage wire is pulled towards the butt joint body 1, the wire is put into the butt joint body 1 again, maintenance can be completed, and people can find that the high-voltage wire joint is loose in time, and then correct the high-voltage wire joint.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. High-voltage line butt joint ware is used in electric power engineering construction, its characterized in that: the butt joint device comprises a butt joint device body (1), a tension detection assembly (2), a first clamping ring (4) and a second clamping ring (5), wherein routing bolts (11) are fixedly connected to two ends of the butt joint device body (1) in a threaded manner, connecting rods (111) are fixedly connected to the tops of the routing bolts (11) in a threaded manner, one section of each connecting rod (111) away from the corresponding routing bolts (11) is fixedly connected with a connecting ring (112), four symmetrically distributed supporting rods (12) are fixedly connected to the butt joint device body (1), and one end of each supporting rod (12) close to the butt joint device body (1) is fixedly connected with a supporting block (13) in a threaded manner;
the tension detection assembly (2) comprises a tension sensor (21), a pull rope (22) and a fixed ring (23), wherein the tension sensor (21) is in signal connection with an external PC end, a fixed rod (41) is fixedly connected to the first clamping ring (4), a limiting block (411) is fixedly connected to the fixed rod (41), and the fixed ring (23) close to the first clamping ring (4) is in sliding connection with the fixed rod (41);
the second clamping ring (5) is fixedly connected with a second connecting rod (51), one end, away from the second clamping ring (5), of the second connecting rod (51) is fixedly connected with a second connecting ring (511), a tensioning screw (6) is arranged in the second connecting ring (511), the tensioning screw (6) penetrates through the second connecting ring (511) and the connecting ring (112), and one end, close to the connecting ring (112), of the tensioning screw (6) is in threaded connection with a locking nut (61); one end of the supporting block (13) close to the butt joint device body (1) is fixedly connected with a rubber block (131), a fastening nut (132) is screwed on the supporting rod (12), the fixing ring (23) close to the butt joint device body (1) is pressed and fixed through the fastening nut (132), a fixing nut (412) is screwed on the fixing rod (41), and the fixing ring (23) close to the first clamping ring (4) is pressed and fixed through the fixing nut (412); the two ends of the tension sensor (21) are fixedly connected with pull ropes (22), one end, away from the tension sensor (21), of each pull rope (22) is fixedly connected with a fixing ring (23), and the fixing rings (23) close to the butt joint device body (1) are connected to the support rods (12) in a sliding mode.
2. The high-voltage line connector for electric power engineering construction according to claim 1, wherein: the tension detecting assembly is characterized in that a protecting shell (3) is arranged outside the tension detecting assembly (2), an opening of the protecting shell (3) is tooth-shaped, a fixing clamp (31) for fixing the protecting shell is sleeved on the protecting shell (3), and the protecting shell (3) is made of rubber.
3. The high-voltage line connector for electric power engineering construction according to claim 1, wherein: the novel clamping ring is characterized in that fixed teeth (42) are fixedly connected inside the first clamping ring (4), the fixed teeth (42) are uniformly distributed on the inner ring of the first clamping ring (4), stabilizing teeth (52) are fixedly connected inside the second clamping ring (5), and the stabilizing teeth (52) are uniformly distributed on the inner ring of the second clamping ring (5).
4. The high-voltage line connector for electric power engineering construction according to claim 1, wherein: the second clamping ring (5) is in threaded connection with a fixing bolt (53), and one end of the fixing bolt (53) inserted into the second clamping ring (5) is in a conical shape.
5. The high-voltage line connector for electric power engineering construction according to claim 1, wherein: the first clamping ring (4) is located between the second clamping ring (5) and the butt joint device body (1), the first clamping ring (4) and the second clamping ring (5) are located on the same straight line.
6. The method for using a high-voltage line connector for electric power engineering construction according to any one of claims 1 to 5, characterized in that: the using method comprises the following steps:
a: when the tension detection device is used, firstly, wires inside a broken high-voltage wire are stripped, then the wires are inserted into two ends of a butt joint device body (1), then a routing bolt (11) is screwed into the butt joint device body (1), the wires entering the butt joint device body (1) are pressed and fixed through the routing bolt (11), then a first clamping ring (4) is arranged on the high-voltage wire, then two fixing rings (23) on a tension detection assembly (2) are respectively arranged on a fixing rod (41) and a supporting rod (12), tension data detected by a tension sensor (21) are recorded, a protective shell (3) is arranged outside the tension detection assembly (2), the protective shell (3) is fixed through the fixing clamp (31), and a protection effect is achieved on the tension detection assembly (2) through the protective shell (3);
b: the second clamping ring (5) is arranged on a high-voltage line, the second connecting ring (511) and the connecting ring (112) are positioned on the same straight line, the firmness between the second clamping ring (5) and the high-voltage line can be increased through the stabilizing teeth (52) and the fixing bolts (53), then the second connecting ring (511) and the connecting ring (112) are sequentially penetrated through by the tensioning screw (6), and the locking nut (61) is arranged on the tensioning screw (6), so that the installation of the second clamping ring is completed;
c: because some high-voltage lines are located in the air, the high-voltage lines can have a pulling force to the inside fixed wires of the butt joint device body (1) under the action of gravity, the wires of the fracture part and the butt joint device body (1) can be loosened for a long time, the high-voltage lines can be gradually pulled out of the butt joint device body (1) to one side when loosening occurs, the pulling force received by the tension sensor (21) can be increased, when the value of the pulling force sent out by the tension sensor (21) at the external PC end is overlarge, power failure maintenance can be performed, a maintenance worker can screw the fixing bolt (53) into the second clamping ring (5), the taper part at the front end of the fixing bolt is pricked into the inside of the high-voltage line insulating layer, the fixing bolt (53) is not pricked into the insulating layer, the fixing bolt (53) is an insulating bolt, the firmness between the second clamping ring (5) and the high-voltage lines is increased, the fixing bolt (11) on the butt joint device body (1) is unscrewed, then the locking nut (61) is screwed to drive the second clamping ring (5) to move towards the butt joint device body (1), and accordingly the high-voltage lines can be restored to the inside the butt joint device body, and the high-voltage line connector can be repaired in time, and the high-voltage connector can be repaired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210390562.6A CN114759369B (en) | 2022-04-14 | 2022-04-14 | High-voltage line butt connector for power engineering construction and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210390562.6A CN114759369B (en) | 2022-04-14 | 2022-04-14 | High-voltage line butt connector for power engineering construction and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114759369A CN114759369A (en) | 2022-07-15 |
| CN114759369B true CN114759369B (en) | 2023-08-08 |
Family
ID=82330833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210390562.6A Active CN114759369B (en) | 2022-04-14 | 2022-04-14 | High-voltage line butt connector for power engineering construction and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114759369B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4895028A (en) * | 1989-01-27 | 1990-01-23 | U.S. Philips Corporation | Method of pull-testing wire connectors on an electrical device |
| GB202102554D0 (en) * | 2021-02-23 | 2021-04-07 | Jr Dynamics Ltd | Tension monitoring apparatus |
| CN214378894U (en) * | 2021-04-07 | 2021-10-08 | 国网山西省电力公司检修分公司 | Extra-high voltage substation grounding wire safety control locking device |
| CN114033239A (en) * | 2021-12-03 | 2022-02-11 | 国网新疆电力有限公司塔城供电公司 | Pull wire connector with external force damage prevention function |
-
2022
- 2022-04-14 CN CN202210390562.6A patent/CN114759369B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4895028A (en) * | 1989-01-27 | 1990-01-23 | U.S. Philips Corporation | Method of pull-testing wire connectors on an electrical device |
| GB202102554D0 (en) * | 2021-02-23 | 2021-04-07 | Jr Dynamics Ltd | Tension monitoring apparatus |
| CN214378894U (en) * | 2021-04-07 | 2021-10-08 | 国网山西省电力公司检修分公司 | Extra-high voltage substation grounding wire safety control locking device |
| CN114033239A (en) * | 2021-12-03 | 2022-02-11 | 国网新疆电力有限公司塔城供电公司 | Pull wire connector with external force damage prevention function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114759369A (en) | 2022-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101174761B (en) | High-voltage power line tension insulator string forward spin live-wire altering method | |
| CN203821643U (en) | Inhaul cable anti-releasing and overload protection device | |
| CN114759369B (en) | High-voltage line butt connector for power engineering construction and use method | |
| CN110258299B (en) | Tapered anti-slip key anchoring steel strand inhaul cable with fork lugs and construction method thereof | |
| CN103123833B (en) | Overhung composite insulator for supergrid | |
| CN203747299U (en) | Mountable and dismountable dual-purpose airfoil-profile clamping device | |
| CN204886116U (en) | Carbon fiber complex core wire gold utensil that continues | |
| CN201877760U (en) | Flexible jumper system for single-pole combined transposition strain tower | |
| CN108183365B (en) | Special connector for carbon fiber wire paying-off traction plate for power transmission line construction | |
| CN214695167U (en) | Totally enclosed parallel steel strand wires cable system | |
| CN208815422U (en) | A kind of cast-in-place floorings many places steel strand wires penetrating device simultaneously | |
| CN209927606U (en) | Tension detection device for rope | |
| CN111130029A (en) | Tower crane main cable fixing device and using method thereof | |
| CN109066456B (en) | Device and method for replacing insulator | |
| CN206099159U (en) | Electrified fixture of changing two clusters of straight line or two cluster insulators of strain insulator | |
| CN218543056U (en) | Offshore flexible photovoltaic support rigging | |
| CN216405107U (en) | Connecting device of PE (polyethylene) protective sleeve and waterproof cover for stay cable | |
| CN106481268B (en) | A kind of maintenance rope ladder device and its application method | |
| CN220021787U (en) | Wiring fastening device | |
| CN219918277U (en) | Front cable spiral sheath of working face frame | |
| CN220753878U (en) | Quick butt joint extension device for tail cable of detection robot | |
| CN204833917U (en) | Formula aviation warning ball twists in advance | |
| CN214403836U (en) | Pull rope fixing structure of starter pull disc | |
| CN205429655U (en) | Strain clamp is used in transmission of electricity | |
| CN211829998U (en) | Tower crane main cable fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |