CN221227077U - Assembled strain clamp and strain string for extra-high voltage transmission line engineering - Google Patents
Assembled strain clamp and strain string for extra-high voltage transmission line engineering Download PDFInfo
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- CN221227077U CN221227077U CN202322754234.2U CN202322754234U CN221227077U CN 221227077 U CN221227077 U CN 221227077U CN 202322754234 U CN202322754234 U CN 202322754234U CN 221227077 U CN221227077 U CN 221227077U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 45
- 238000003825 pressing Methods 0.000 claims description 44
- 239000004809 Teflon Substances 0.000 claims description 3
- 229920006362 Teflon® Polymers 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000012211 strain insulator Substances 0.000 claims description 2
- 238000005242 forging Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 3
- 238000003280 down draw process Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses an assembled strain clamp and strain string for ultra-high voltage transmission line engineering, belongs to the technical field of electric power fittings, and solves the problem that the traditional assembled strain clamp cannot change the wiring direction of a lead down wire. The wire clamp mainly comprises a wire clamp body, a sliding block, an upper wedge and a lower wedge; the lower wedge is of a spliced structure and comprises a lower wedge main body and a down-lead wire clamp, wherein the lower wedge main body is connected with the upper wedge through a wire fixing assembly; the down wire clamp comprises a down plate provided with a tail end down connecting lug, the down plate is bent, and the bent shape of the down plate is matched with the wire running direction; the head end of the down-leading plate is spliced with the tail end of the lower wedge main body into a whole through a splicing locking component, and a down-leading compressing component which plays a role of compressing wires is arranged on the tail end down-leading connecting lug. The utility model has the advantages of high flexibility, low die opening difficulty, low cost, strong universality and wide application range, and has positive significance in the electric power fitting industry.
Description
Technical Field
The utility model belongs to the technical field of electric power fittings, and particularly relates to an assembled strain clamp and a strain string for ultra-high voltage transmission line engineering, which are low in die opening difficulty and cost, easy in product forging and forming and low in production and manufacturing cost, and a down-lead plate matched with the trend of a lead down-lead can be selected according to installation scenes.
Background
The strain clamp is used for connecting corners, connection and terminals, and can be divided into a bolt type strain clamp, a compression type strain clamp, a wedge-shaped strain clamp and a preformed strain clamp according to the structure and the installation mode. The wedge-shaped wire clamp is stable in operation and simple to install, and is widely applied to power transmission line construction.
The technical scheme disclosed by the Chinese patent with the patent application number of 2019220848295 and the application date of 2019 of 11 month 28 and the invention creation name is that the assembled type wedge-shaped strain clamp is widely applied at present and mainly comprises a wedge-shaped main body, wherein the wedge-shaped main body is formed by combining four parts through inlaying, a trapezoid block is respectively arranged on the left side and the right side, a first I-shaped structural block is arranged on the upper side, a second I-shaped structural block is arranged on the lower side to form the wedge-shaped main body, a first wedge core is arranged at the lower end of the first I-shaped structural block, a second wedge core is arranged below the second I-shaped structural block, a first groove is arranged in the length direction of the first wedge core, a second groove is arranged in the length direction of the second wedge core, and the first groove and the second groove form a channel through which a cable can pass; the cable positioning device comprises a first wedge core, a second wedge core, a positioning plate, a third groove, a first through hole, a second through hole, a positioning plate and a cable, wherein the first through hole is formed in two sides of one end of the first wedge core, the first through hole is formed in the position, corresponding to the first through hole, of the second wedge core, the second through hole is formed in two sides of the tail end of one side of the second wedge core, which is provided with the threaded hole, the positioning plate is provided with the second threaded hole in the position, corresponding to the second through hole, of the second wedge core, a channel through which a cable can pass is formed by the first groove and the third groove; the mounting holes are formed in the trapezoid blocks, the hanging plates are mounted on the trapezoid blocks through pins, and one ends, far away from the mounting holes, of the hanging plates are connected with the two hanging plates through bolt and nut assemblies. The traditional assembly type strain clamp can only be applied to high-voltage or ultra-high-voltage transmission lines and cannot be applied to ultra-high-voltage transmission line engineering. Because the high-voltage and ultra-high-voltage transmission line engineering is a single-split transmission line or a double-split transmission line in general, the number of the single-split transmission line and the double-split transmission line hardware strings is small, and the second wedge core (namely the lower wedge main body) has enough lead space in the extending direction, and the skew on the two sides is not required to change the lead wire down-lead wiring direction; the extra-high voltage transmission line engineering is generally a multi-split transmission line, the number of the hardware fitting strings of the multi-split transmission line is large, and the space for a lead is insufficient, so that the position conflict between split conductors and the hardware fitting or the insufficient safety distance can be caused. In addition, the length of the traditional second wedge core is short, the bending amplitude is not large, and the lead wire extends along the inclination of the second wedge core and cannot extend towards the direction right below or at two sides; this is determined by the construction of a conventional assembled strain clamp second wedge core, which includes a portion embedded in the wedge body (hereinafter referred to as a "front section") and a bent portion extending outside the wedge body (hereinafter referred to as a "rear section"), the front section being relatively straight and the rear section being bent, so that at present the forging process can only forge a second wedge core having a relatively short length and a small bending amplitude of the rear section, and such a wedge core is also intended to be unable to be routed toward both sides of a lead directly below.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the assembled strain clamp and the strain string for the ultra-high voltage transmission line engineering, which have the advantages of low die opening difficulty, low cost, easy product forging and forming and low production and manufacturing cost, and can select the down-lead plate matched with the trend of the down-lead wire according to the installation scene.
The utility model is realized by the following technical scheme:
The utility model provides an assembled strain clamp for extra-high voltage transmission line engineering, includes the fastener body of two relative settings, peg graft at the upper and lower both ends of two fastener bodies have with two the slider that the fastener body formed wedge inner space jointly, be equipped with wedge and lower wedge in the wedge inner space, fastener body and link plate subassembly swing joint, its characterized in that: the lower wedge is of a spliced structure and comprises a lower wedge main body and a down-lead wire clamp; the lower wedge body is connected with the upper wedge through a wire fixing assembly; the down wire clamp comprises a down plate provided with a tail end down connecting lug, the down plate is bent, and the bent shape of the down plate is matched with the wiring direction of the down wire of the lead; the head end of the down guide plate is spliced with the tail end of the lower wedge main body into a whole through the splicing locking assembly, and the down guide pressing assembly which plays a role in pressing the lead is arranged on the tail end down guide connecting lug.
Preferably, the splicing locking assembly comprises a connecting plate provided with a threaded hole, and the connecting plate is arranged below the lower wedge and the lower guide plate;
the tail end of the lower wedge main body is provided with a lower wedge connecting lug II, a locking pressing block I which plays a role in pressing a lead is arranged above the lower wedge connecting lug II, and a bolt component sequentially penetrates through the locking pressing block I and the lower wedge connecting lug II from top to bottom and is in threaded fastening connection with the connecting plate;
The lower plate is also provided with a head end lower connecting lug, a locking pressing block II which plays a role in pressing the lead is arranged above the head end lower connecting lug, and the bolt component sequentially penetrates through the locking pressing block II and the head end lower connecting lug from top to bottom and is in threaded fastening connection with the connecting plate;
The down pressing assembly comprises a down pressing block which is arranged above the tail end down connecting lug and plays a role in pressing a wire, a threaded hole is formed in the tail end down connecting lug, and the bolt assembly penetrates through the down pressing block and is in threaded fastening connection with the tail end down connecting lug. The structure design is simple, the production and the manufacture are easy, and the installation is convenient.
Preferably, the wire fixing assembly comprises an upper wedge connecting lug arranged on the upper wedge, and a lower wedge connecting lug I corresponding to the upper wedge connecting lug of the upper wedge is arranged on the lower wedge main body; the upper wedge connecting lug is provided with a through hole, the lower wedge connecting lug is provided with a threaded hole, and the bolt component penetrates through the upper wedge connecting lug from top to bottom and is in threaded fastening connection with the lower wedge connecting lug. The structure design is simple, the production and the manufacture are easy, and the installation is convenient.
Preferably, the bolt assembly comprises a hexagonal bolt and a locking buckle; the hanging plate assembly comprises a hanging plate main body movably connected with the wire clamp body and a bolt fastener arranged at the free end of the hanging plate main body.
Preferably, the surface of the upper wedge contacted with the lead and the surface of the lower wedge body contacted with the lead are provided with anti-skid patterns. And the stability and the safety of the power transmission line are ensured.
Preferably, the teflon coating is coated on the surface of the upper wedge, which is contacted with the lead, and the surface of the lower wedge body, which is contacted with the lead. The corrosion resistance and the service life of the product are improved.
A strain string applying the assembled strain clamp for the ultra-high voltage transmission line engineering is provided.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model has high flexibility, can flexibly select a proper down-drawing plate according to the space condition of the hardware string so as to change the wiring direction of the down-drawing wire of the wire, and the lower wedge main body and the down-drawing wire clamp are respectively forged as independent components, thereby greatly reducing the forging difficulty and the die opening difficulty of the product and simultaneously greatly reducing the forging cost and the die opening cost;
The utility model has the advantages of ingenious structural design, simple and convenient installation, suitability for high-voltage and ultra-high-voltage transmission line engineering before splicing, strong universality and wide application range, and is suitable for ultra-high-voltage transmission line engineering after splicing, thereby having positive significance in the electric power fitting industry.
Drawings
Fig. 1 is a schematic view of the front view direction of the present utility model (the installed lower plate is a lower plate which is not skewed).
Fig. 2 is a schematic view of the bottom view of the present utility model (the installed lower plate is a lower plate that is not skewed).
Fig. 3 is a schematic cross-sectional view of the present utility model (the installed lower plate is a lower plate that is not skewed).
Figure 4 is a schematic diagram of the upper wedge structure of the present utility model.
Figure 5 is a schematic view of the structure of the lower wedge body of the present utility model.
Fig. 6 is a schematic diagram of the right view direction of fig. 1 according to the present utility model.
Fig. 7 is a schematic view of the structure of the present utility model when the lower plate is installed to be skewed to the left.
Fig. 8 is a schematic view of the structure of the present utility model when the lower plate is installed to be skewed to the right.
Fig. 9 is a schematic top view of the present utility model when a down plate is mounted so as to be inclined to the right.
Fig. 10 is a schematic view of the structure of the present utility model applied to a tension string.
In the figure: 1. a wire clamp body; 2. a slide block; 3. an upper wedge; 31. an upper wedge connecting lug; 4. a lower wedge; 41. a lower wedge body; 411. a first lower wedge connecting lug; 412. the lower wedge is connected with the second lug; 413. anti-skid lines; 42. a wire clamp is led down; 421. a down plate; 4211. the head end is led down to the connecting lug; 4212. the tail end is led down to the connecting lug; 5. a hanging plate assembly; 51. a hanging plate main body; 6. splicing and locking components; 61. a connecting plate; 62. locking the first pressing block; 63. locking a second pressing block; 7. the pressing component is led down; 71. a pressing block is led down; 8. the wire leads down the wire.
Detailed Description
In order that the reader may better understand the design of the present utility model, the following describes the technical scheme of the present utility model with reference to the examples. It should be noted that, the terms including, but not limited to, "upper, lower, left, right, front, rear" and the like in the following paragraphs may refer to any orientation according to the visual orientation shown in the drawings of the specification and should not be construed as limiting the scope or technical solution of the present utility model.
In the description of the present specification, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Example 1
As shown in fig. 1 to 9, the embodiment provides an assembled strain clamp for ultra-high voltage transmission line engineering, which comprises two oppositely arranged clamp bodies 1, wherein the upper and lower ends of the two clamp bodies 1 are inserted with sliding blocks 2 which jointly form a wedge-shaped inner space with the two clamp bodies 1, an upper wedge 3 and a lower wedge 4 are arranged in the wedge-shaped inner space, and the clamp bodies 1 are movably connected with a hanging plate assembly 5. The lower wedge 4 of this embodiment is a spliced structure, and includes a lower wedge body 41 and a down-lead clip 42, where, for convenience of lead, the lower wedge body 41 and the down-lead plate 421 are provided with wire accommodating grooves; the lower wedge body 41 is connected with the upper wedge 3 through a wire fixing assembly; the down clamp 42 comprises a down plate 421 provided with a tail end down connecting lug 4212, the down plate 421 is bent, and the bent shape of the down plate 421 is matched with the wiring direction of the wire down wire 8; the head end of the down plate 421 is spliced with the tail end of the lower wedge body 41 through the splicing locking assembly 6, and the down pressing assembly 7 which plays a role in pressing wires is arranged on the tail end down connecting lug 4212.
The high-voltage and ultra-high-voltage transmission line engineering is a single-split transmission line or a double-split transmission line, the number of the single-split transmission line and the double-split transmission line hardware strings is small, and the extending direction of the lower wedge main body 41 has enough lead space, and the skew is not needed to change the wiring direction of the lead down wire 8. The extra-high voltage transmission line engineering is generally a multi-split transmission line, the number of the multi-split transmission line hardware strings is large, and the extending direction of the lower wedge main body 41 does not have enough lead space, so that the wiring direction of each lead down wire 8 needs to be adjusted to ensure that the lead and the hardware, and the lead have enough safety distance.
The embodiment has strong universality and is suitable for high-voltage and ultra-high-voltage transmission line engineering when the down-lead clamps 42 are not spliced. The wire is installed between the lower cleat body 41 and the upper cleat 3, and is fixed by a wire fixing assembly. The hanger plate assembly 5 is connected with other hardware fittings on the tower, and the lower cleat body 41 guides the wires toward the extending direction of the lower cleat body 41.
In the ultra-high voltage transmission line, the down-lead clamp 42 needs to be spliced, and according to the actual installation situation, the down-lead clamp is required to lead directly below, and the selected down-lead plate is a non-skew down-lead plate, namely, the down-lead plate is not skewed towards two sides of the lower wedge main body 41 (as shown in fig. 6); some need to lead wire towards the left side of the lower wedge body 41, the selected lower plate is the lower plate inclined towards the left side (as shown in fig. 7); some of the lower wedge body 41 needs to be threaded in a right direction, and the selected lower plate is a lower plate inclined to the right (as shown in fig. 8). Therefore, the lower plate 421 may be an arc plate that is not inclined, may be an arc plate that is inclined toward the left side, or may be an arc plate that is inclined toward the right side, and the amount of the inclination angle and the bending width of the arc plate are determined by the design requirements. When the operator installs and assembles, the corresponding down plate 421 is selected according to the drawing requirement and the actual situation.
The embodiment has high flexibility, and a proper down-lead plate can be flexibly selected according to the space condition of the hardware string so as to change the wiring direction of the wire down-lead 8, the lower wedge main body and the down-lead wire clamp are used as independent components for forging respectively, so that the forging difficulty and the die opening difficulty of a product are greatly reduced, and meanwhile, the forging cost and the die opening cost are greatly reduced;
The embodiment has the advantages of ingenious structural design, simple and convenient installation, suitability for high-voltage and ultra-high-voltage transmission line engineering before splicing, suitability for ultra-high-voltage transmission line engineering after splicing, strong universality, very wide application range and positive significance in the electric power fitting industry.
Example 2
The technical features and functions of the present utility model will be described in detail based on embodiment 1 so as to help those skilled in the art to fully understand and reproduce the technical scheme of the present utility model.
The embodiment provides an assembled strain clamp for extra-high voltage transmission line engineering, including two relative fastener bodies 1 that set up, peg graft at the upper and lower both ends of two fastener bodies 1 have and form wedge-shaped inner space's slider 2 jointly with two fastener bodies 1, are equipped with wedge 3 and wedge 4 down in the wedge-shaped inner space, fastener body 1 and link plate subassembly 5 swing joint. The lower wedge 4 of this embodiment is a splice structure, which includes a lower wedge body 41 and a down-lead clip 42, and for convenience of lead, lead accommodating grooves are formed in the lower wedge body 41 and the down-lead plate 421. The lower wedge body 41 is connected with the upper wedge 3 through a wire fixing assembly, the wire fixing assembly specifically comprises an upper wedge connecting lug 31 arranged on the upper wedge 3, and a lower wedge connecting lug 411 corresponding to the upper wedge connecting lug 31 of the upper wedge 3 is arranged on the lower wedge body 41; the upper wedge connecting lug 31 is provided with a through hole, the lower wedge connecting lug 411 is provided with a threaded hole, the bolt component penetrates through the upper wedge connecting lug 31 from top to bottom and is in threaded fastening connection with the lower wedge connecting lug 411, and the lead is locked between the upper wedge 3 and the lower wedge main body 41 through the bolt component. The surface of the upper wedge 3 contacted with the lead and the surface of the lower wedge body 41 contacted with the lead are provided with anti-skid patterns 413, and the anti-skid patterns 413 enable the lead to be installed more stably and the transmission line to be safer. The down clamp 42 comprises a down plate 421 provided with a tail end down connecting lug 4212, the down plate 421 is bent, and the bent shape of the down plate 421 is matched with the wiring direction of the wire down wire 8; the head end of the down plate 421 is spliced with the tail end of the lower wedge body 41 through the splicing locking assembly 6, and the down pressing assembly 7 which plays a role in pressing wires is arranged on the tail end down connecting lug 4212.
The splice locking assembly 6 of this embodiment includes a connection plate 61 provided with a threaded hole, the connection plate 61 being disposed below the lower wedge 4 and the lower plate 421; the tail end of the lower wedge main body 41 is provided with a second lower wedge connecting lug 412, a first locking pressing block 62 which plays a role in pressing the lead is arranged above the second lower wedge connecting lug 412, a bolt component sequentially penetrates through the first locking pressing block 62 and the second lower wedge connecting lug 412 from top to bottom and is in threaded fastening connection with the connecting plate 61, and the bolt component extrudes the first locking pressing block 62 so as to play a role in pressing the lead; the down plate 421 is further provided with a head end down connection lug 4211, a second locking pressing block 63 playing a role of pressing wires is arranged above the head end down connection lug 4211, and the bolt assembly sequentially penetrates through the second locking pressing block 63 and the head end down connection lug 4211 from top to bottom and is in threaded fastening connection with the connection plate 61. The lower plate 421 is forged according to the design drawing requirements, whether the lower plate 421 is inclined and deviated towards the left side or the right side is designed completely according to the actual situation, and the required lower plate 421 is forged in advance according to the drawing design requirements for standby. The connection plate 61 is a bridge connecting the lower cleat body 41 and the down plate 421. The down pressing assembly 7 comprises a down pressing block 71 which is arranged above the tail end down connecting lug 4212 and plays a role of pressing wires, a threaded hole is formed in the tail end down connecting lug 4212, and the bolt assembly penetrates through the down pressing block 71 and is in threaded fastening connection with the tail end down connecting lug 4212. The wire placed between the upper wedge 3 and the lower wedge 4 is locked and fixed by the wire fixing assembly, the splice locking assembly 6, and the down-draw compressing assembly 7, and the wire outgoing direction is determined by the selected down-draw plate 421.
The bolt component in the embodiment comprises a hexagonal bolt and a locking buckle; the hanger plate assembly 5 includes a hanger plate main body 51 movably connected with the wire clamp body 1 and a bolt fastener provided at a free end of the hanger plate main body 51.
To improve the corrosion resistance of the product and prolong the service life of the strain clamp, teflon coatings are coated on the contact surface of the upper wedge 3 and the lead and the contact surface of the lower wedge body 41 and the lead in the embodiment.
The embodiment has high flexibility, and a proper down-lead plate can be flexibly selected according to the space condition of the hardware string so as to change the wiring direction of the wire down-lead 8, the lower wedge main body and the down-lead wire clamp are used as independent components for forging respectively, so that the forging difficulty and the die opening difficulty of a product are greatly reduced, and meanwhile, the forging cost and the die opening cost are greatly reduced;
The embodiment has the advantages of ingenious structural design, simple and convenient installation, suitability for high-voltage and ultra-high-voltage transmission line engineering before splicing, suitability for ultra-high-voltage transmission line engineering after splicing, strong universality, very wide application range and positive significance in the electric power fitting industry.
Example 3
As shown in fig. 10, this embodiment provides a strain insulator string to which the strain clamp described in the above embodiment is applied.
Finally, although the description has been described in terms of embodiments, not every embodiment is intended to include only a single embodiment, and such description is for clarity only, as one skilled in the art will recognize that the embodiments of the disclosure may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides an assembled strain clamp for extra-high voltage transmission line engineering, includes the fastener body of two relative settings, peg graft at the upper and lower both ends of two fastener bodies have with two the slider that the fastener body formed wedge inner space jointly, be equipped with wedge and lower wedge in the wedge inner space, fastener body and link plate subassembly swing joint, its characterized in that: the lower wedge is of a spliced structure and comprises a lower wedge main body and a down-lead wire clamp; the lower wedge body is connected with the upper wedge through a wire fixing assembly; the down wire clamp comprises a down plate provided with a tail end down connecting lug, the down plate is bent, and the bent shape of the down plate is matched with the wiring direction of the down wire of the lead; the head end of the down guide plate is spliced with the tail end of the lower wedge main body into a whole through the splicing locking assembly, and the down guide pressing assembly which plays a role in pressing the lead is arranged on the tail end down guide connecting lug.
2. The assembled strain clamp for ultra-high voltage transmission line engineering according to claim 1, wherein: the splicing locking assembly comprises a connecting plate provided with a threaded hole, and the connecting plate is arranged below the lower wedge and the down-leading plate;
the tail end of the lower wedge main body is provided with a lower wedge connecting lug II, a locking pressing block I which plays a role in pressing a lead is arranged above the lower wedge connecting lug II, and a bolt component sequentially penetrates through the locking pressing block I and the lower wedge connecting lug II from top to bottom and is in threaded fastening connection with the connecting plate;
The lower plate is also provided with a head end lower connecting lug, a locking pressing block II which plays a role in pressing the lead is arranged above the head end lower connecting lug, and the bolt component sequentially penetrates through the locking pressing block II and the head end lower connecting lug from top to bottom and is in threaded fastening connection with the connecting plate;
The down pressing assembly comprises a down pressing block which is arranged above the tail end down connecting lug and plays a role in pressing a wire, a threaded hole is formed in the tail end down connecting lug, and the bolt assembly penetrates through the down pressing block and is in threaded fastening connection with the tail end down connecting lug.
3. The assembled strain clamp for ultra-high voltage transmission line engineering according to claim 1 or 2, wherein: the wire fixing assembly comprises an upper wedge connecting lug arranged on the upper wedge, and a lower wedge connecting lug I corresponding to the upper wedge connecting lug of the upper wedge is arranged on the lower wedge main body; the upper wedge connecting lug is provided with a through hole, the lower wedge connecting lug is provided with a threaded hole, and the bolt component penetrates through the upper wedge connecting lug from top to bottom and is in threaded fastening connection with the lower wedge connecting lug.
4. The assembled strain clamp for ultra-high voltage transmission line engineering according to claim 3, wherein: the bolt assembly comprises a hexagonal bolt and a locking buckle; the hanging plate assembly comprises a hanging plate main body movably connected with the wire clamp body and a bolt fastener arranged at the free end of the hanging plate main body.
5. The assembled strain clamp for ultra-high voltage transmission line engineering according to claim 1, wherein: the surface of the upper wedge, which is contacted with the lead, and the surface of the lower wedge body, which is contacted with the lead, are provided with anti-skid patterns.
6. The assembled strain clamp for ultra-high voltage transmission line engineering according to claim 1 or 5, wherein: and the surface of the upper wedge, which is contacted with the lead, and the surface of the lower wedge body, which is contacted with the lead, are coated with Teflon coatings.
7. A strain insulator string using the assembled strain clamp for ultra-high voltage transmission line engineering according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322754234.2U CN221227077U (en) | 2023-10-13 | 2023-10-13 | Assembled strain clamp and strain string for extra-high voltage transmission line engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322754234.2U CN221227077U (en) | 2023-10-13 | 2023-10-13 | Assembled strain clamp and strain string for extra-high voltage transmission line engineering |
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| Publication Number | Publication Date |
|---|---|
| CN221227077U true CN221227077U (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322754234.2U Active CN221227077U (en) | 2023-10-13 | 2023-10-13 | Assembled strain clamp and strain string for extra-high voltage transmission line engineering |
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| Country | Link |
|---|---|
| CN (1) | CN221227077U (en) |
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2023
- 2023-10-13 CN CN202322754234.2U patent/CN221227077U/en active Active
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