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337results about "Adjusting/maintaining mechanical tension" patented technology

Buffer connecting device for tension-resistant transmission tower

The invention relates to the field of transmission towers, and discloses a tension type transmission tower buffer connecting device which comprises a supporting frame, a plurality of isolation assemblies are symmetrically arranged on the upper surface of the supporting frame, sliding seats are slidably connected into the isolation assemblies, and connecting rods are fixedly connected to the outer surfaces of the sliding seats. A belleville spring set is arranged between the outer surface of the sliding base and the inner wall of the isolation assembly, the belleville spring set is arranged on the outer surface of the connecting rod in a sleeving mode, and a telescopic rod and a first spring are fixedly connected between the outer surface of the sliding base and the inner wall of the isolation assembly. A primary buffer layer is formed by the belleville spring set and the first spring, axial impact force can be absorbed without sliding of the sliding seat during daily wind vibration and wire slight galloping, meanwhile, vibration can be restrained through the huge static friction torque of the fan-shaped friction face and the friction ball in the omnidirectional damping assembly, the circuit is kept stable, and slight load impact is effectively dealt with.
Owner:CHANGZHOU CITY FEIHUANG STEEL POLE

Fabricated strain insulator string device for overhead transmission line

The invention discloses a fabricated strain insulator string device for an overhead transmission line, and relates to the technical field of electric power fittings, a plurality of disc-shaped insulating covers are hinged between a first U-shaped clamp and a second U-shaped clamp, and the first U-shaped clamp is hinged to the corner of a wedge-shaped strain clamp; a front end wedge-shaped groove and a tail end wedge-shaped groove are formed in the wedge-shaped strain clamp, a plurality of pairs of arc-shaped clamping plates are arranged on the inner bottom wall of the front end wedge-shaped groove, a plurality of U-shaped threaded rods are arranged on the wedge-shaped strain clamp in a sleeving mode, a plurality of fixed connecting plates are fixedly arranged on the wedge-shaped strain clamp, and the U-shaped threaded rods penetrate through the fixed connecting plates and are locked with a pair of self-locking nuts in a threaded mode. And a T-shaped seat is fixedly arranged in the middle of the U-shaped threaded rod, and a pressing mechanism is mounted on the T-shaped seat. The device can be transported in a split mode and is adaptive to complex terrains; the arc-shaped clamping plate and the downward pressing mechanism clamp the power transmission line in a dual mode, adapt to power transmission lines with different diameters and prevent looseness. Components are detachable, installation and maintenance are convenient, cost is reduced, and efficiency and power supply reliability are improved.
Owner:乐陵市宏翊电子科技有限公司 +1

Adjustable anti-twist tension yoke plate

The invention relates to the technical field of power transmission lines of power systems, in particular to an adjustable anti-twist tension yoke plate. Through the unique design of the adjusting rod group, the extension and retraction amounts of the two tension-resistant hanging heads in the right-angle direction of the right-angle connecting rod can be synchronously adjusted, so that the relative angle between the two tension-resistant hanging heads can be continuously and accurately changed. Therefore, the yoke plate can flexibly adapt to complex actual working conditions such as different line steering angles and elevation differences, the universality of the yoke plate is greatly improved, and the application range of the yoke plate is greatly widened. Elastic constraint is applied to rotation of the triangular yoke plate through a constraint piece such as a hook spring or a spring abutting rod which is arranged between the tension-resistant hanging head and the triangular yoke plate. According to the design, the line can be allowed to slightly deflect in a reasonable range to release stress, excessive torsion or continuous single-side torsion caused by wind power and the like can be effectively inhibited, the problems such as wire torsional pendulum and uneven yoke plate stress caused by excessive torsion or continuous single-side torsion are fundamentally avoided, and the service life of the line hardware fitting and the wire is prolonged.
Owner:NANJING TERUI POWER MATERIAL

Wedge-shaped tensile clamp with function of preventing release of wire escape prevention-type safety structure capable of enabling indirect live-line work and wire fixing method using same

The present invention relates to a wedge-shaped tensile clamp having a function of preventing the release of a wire escape prevention-type safety structure capable of enabling indirect live-line work and a wire fixing method using same and, more specifically, to the technical field regarding a wedge-shaped tensile clamp having a function of preventing the release of a wire escape prevention-type safety structure capable of enabling indirect live-line work and a wire fixing method using same, in which a pair of wedges can be advanced or retreated with a live-line work stick, a double fixing elastic pin can be moved vertically with the live-line work stick so that the pair of wedges can be retreated and then fixed or released, and the pair of wedges can be advanced and then fixed or released so that the fixing or separation of a wire can be carried out along with the indirect live-line work, and after the pair of wedges can be advanced, the wedges can be fixed so as to prevent loosening, thereby preventing the detachment of the wire.
Owner:DAEWON ELECTRIC CO LTD +1

Tension adjusting device for overhead line

The invention relates to the technical field of cable installation, in particular to a tension adjusting device for an overhead line, which comprises a bracket, a winding wheel, a pull rope, a first clamping wheel, a second clamping wheel and a pre-tightening assembly, and is characterized in that the winding wheel is rotationally arranged on the bracket; the first clamping wheel and the second clamping wheel are rotationally arranged on the support and located on the two sides of the wire in the radial direction. The first clamping wheel and the second clamping wheel clamp the wire and convey the wire through rotation. The first clamping wheel and the winding wheel rotate synchronously through a pull rope. The pre-tightening assembly is used for controlling the first clamping wheel and the second clamping wheel to get close to each other and get away from the winding wheel in the radial direction of the wire. A pre-tightening assembly is arranged, a first clamping wheel and a second clamping wheel can clamp a wire, rotation of a winding wheel can enable the first clamping wheel to rotate relative to the wire and drive the wire to move, the wire is gradually tensioned when moving along with rotation of the first clamping wheel, and the clamping positions of the first clamping wheel and the second clamping wheel on the wire are changed; and the damage degree in the wire tensioning process is reduced.
Owner:TONGHUA POWER SUPPLY COMPANY STATE GRID JILIN ELECTRIC POWER

Strain clamp of power transmission line

The invention relates to the technical field of wire installation, and particularly provides a strain clamp of a power transmission line, which comprises a shell and two wedge blocks. A wedge-shaped through groove is formed in the shell in the length direction of the shell. A baffle is arranged on the side edge of a groove opening of the through groove, a force storage barrel is arranged on the baffle, and the force storage barrel is connected with a tensioning rope. The two wedge blocks are oppositely arranged in the through groove, and a power transmission line is clamped between the two wedge blocks; a rotating shaft is arranged on the wedge block opposite to the baffle and is connected with the opposite tensioning rope; and the rotating shaft is in frictional contact with the power transmission line and rotates when the power transmission line slides relative to the wedge block, so that the tensioning rope is wound around the rotating shaft. According to the scheme, by arranging the force storage cylinder, the rotating shaft and the tensioning rope, when the power transmission line slides relative to the wedge block, the rotating shaft is driven to rotate through the friction effect, so that the tensioning rope is wound around the rotating shaft, the friction resistance among the shell, the wedge block and the power transmission line is improved, the clamping effect on the power transmission line is improved, and the falling risk of the power transmission line is reduced.
Owner:CHAOHU YINDA ELECTRIC POWER MASCH CO LTD

Quick insertion type strain clamp

The invention discloses a quick-insertion type strain clamp which comprises an insulating shield, a clamp pressing plate, a wedge block sliding groove, a wedge-shaped sliding block, a compression spring, a pressing type plug pin assembly, an insulator connecting block, an end insulator, a wire plug, a jumper plug, a nylon nut, a T-shaped copper wire clamp and a spring contact finger. The wedge block sliding groove, the pressing type plug pin assembly, the T-shaped copper wire clamp and the insulator connecting block are sequentially installed on the wire clamp pressing plate and are combined into a whole through the wire clamp pressing plate, and the insulating protective cover wraps the outer side of the whole structure. The strain clamp designed by the invention forms a whole body, a wire is pressed during construction, and the installation can be completed by inserting a plug according to requirements. An integral insulation form is adopted, the insulation performance is better, the U-shaped structure is adopted at the end part, and the cable can be suitable for tower types of various angles, and the universality is good.
Owner:NANJING POWER FITTINGS DESIGN & RES INST CO LTD +1

Wire tensioning systems and methods of use

A system may include a cable tensioning system, comprising: a first support structure having a first securement point; a second support structure spaced from the first end pile and having a second securement point; a third support structure positioned between the first support structure and the second support structure, the third support structure having a cable support; and a cable extending between the first support structure and the second support structure having a tension value, wherein the tension value corresponds to at least one environmental factor related to where the system is geographically located, and a maximum possible vertical distance from the cable at the first securement point to a low point along a length of cable between the first securement point and the second securement point.
Owner:AFFORDABLE WIRE MANAGEMENT LLC

Windproof anti-swing equipment for power supply cable

The invention relates to the field of cable erection, in particular to a windproof anti-swing device for a power supply cable, which comprises a pair of fixing hoops, the fixing hoops are attached to the outer wall of a telegraph pole and fixed through fixing bolts, the outer sides of the fixing hoops horizontally extend to be provided with a mounting plate, and the two sides of the upper end of the mounting plate are symmetrically provided with a group of fixing frames. The upper end of each fixing frame is fixedly connected with a guide wheel set, damping rods are fixedly arranged at the bottom ends of the fixing frames and penetrate through the mounting plate in a sliding mode, damper springs are arranged between the bottoms of the fixing frames and the mounting plate, a movable frame is linearly and slidably installed between the fixing frames, propelling impellers are rotatably installed at the two ends of the movable frame, and a tensioning wheel set is fixedly connected to the center of the movable frame. And a cable is wound between the guide wheel group and the tensioning wheel group. According to the invention, the cable can achieve good vibration damping and anti-swing effects in gale weather with different wind directions, the wind resistance and adaptability of the cable are effectively improved, and the safety coefficient in the cable erection process is increased.
Owner:BENXI POWER SUPPLY COMPANY OF STATE GRID LIAONINGELECTRIC POWER SUPPLY +1

Pre-tightening wedge-shaped wire clamp

A pre-tightening wedge-shaped wire clamp belongs to the technical field of cable installation fittings and comprises a clamping block and a wedge-shaped block, the clamping block is provided with a wedge-shaped hole of a penetrating structure, and the wedge-shaped block is arranged in the wedge-shaped hole in a penetrating mode; one-way clamping jaws are arranged at the middle sections of the two inner inclined surfaces of the wedge-shaped hole, and the one-way clamping jaws obliquely face the middle part of the small end of the wedge-shaped hole; a limiting rod is arranged in the small end of the clamping block and located in the middle of the two inner inclined faces. A strip-shaped groove is formed in the small end of the wedge-shaped block, the width of the strip-shaped groove is smaller than that of the limiting rod, paired clamping grooves are formed in the inner walls of the two sides of the strip-shaped groove and used for clamping the limiting rod, the side, facing the root of the strip-shaped groove, of each clamping groove is an inclined face, and the side, facing the opening end of the strip-shaped groove, of each clamping groove is perpendicular to the inner wall of the strip-shaped groove; when the limiting rod is located in the clamping groove, the cable makes contact with the outer inclined face of the wedge-shaped block and the inner inclined face of the wedge-shaped hole at the same time. According to the scheme, the cable can be effectively prevented from loosening, the clamping force can be automatically increased, and the clamping force on the cable is kept.
Owner:SICHUAN XISHU ELECTRIC POWER FITTING GRP

Anti-loosening electric power fitting for high-voltage wire clamping

The invention relates to the technical field of electric power fittings, in particular to an anti-loosening electric power fitting for high-voltage wire clamping, which comprises a fitting frame body, the side wall of the fitting frame body is fixedly connected with a bearing plate, the two side walls of the fitting frame body are both provided with wire clamping guide grooves, and the bearing plate is fixedly connected with the wire clamping guide grooves. And inner arc wire pressing blocks are connected in the two wire clamping guide grooves in a sliding manner. According to the invention, through the arranged automatic adjusting assembly, the clamping force of the wire can be automatically adjusted so as to ensure that a connection point is continuously kept in an optimal pressing state, through the arranged screw locking assembly, the clamping force can be kept stable for a long time, through the arranged locking opening and closing assembly, the intelligent switching of a locking state can be realized, and the clamping force is ensured to be stable for a long time. According to the anti-loosening device, accurate data support can be provided for automatic adjustment through the arranged side end loosening sensing assembly, fine adjustment compensation of the position of the inner arc wire pressing block can be achieved through the arranged side end adjusting assembly, and therefore the anti-loosening function is effectively achieved.
Owner:SHANDONG GUANGDA LINE EQUIP CO LTD

Strain clamp with stable connection

The utility model discloses a strain clamp with stable connection, which comprises a clamp body, two inner sides of the clamp body are provided with clamping pieces, the clamping pieces are provided with pushing blocks, the pushing blocks are fixedly connected with the clamp body through screws, the clamping pieces are provided with threading holes for accommodating wire groups, and the threading holes are connected with the clamping pieces through screws. The wire clamp body is provided with a plurality of wire penetrating holes, the wire penetrating holes are provided with a plurality of clamping plates at equal intervals from left to right, the inner walls of the clamping plates are provided with a plurality of tooth parts protruding at equal intervals, and springs are arranged in the clamping pieces and act on the two ends of the clamping plates so that the clamping plates can move towards the middle of the wire clamp body. The tooth part is embedded into the outer wall of the wire group, so that the friction force is enhanced; the clamping force of the clamping plate is dynamically adjusted by pushing the clamping plate through the spring according to the real-time change of the diameter of the wire set, so that the tooth part is always kept in close contact with the outer wall of the wire set, the phenomena of connection loosening and loosening are effectively prevented, and the connection stability of the wire clamp body and the clamping plate is further improved through the screw.
Owner:ZHEJIANG SUNJ ELECTRIC CO LTD

NXJG wedge type strain clamp

The invention belongs to the technical field of electric power fittings, and particularly relates to an NXJG wedge-type strain clamp which comprises a wedge-type clamp body and two sets of wedge blocks buckled with each other, the wedge-type clamp body wraps the two sets of wedge blocks, the wedge blocks and the wedge-type clamp body are arranged in a relative sliding mode, a wire clamping hole is formed between the wedge blocks, and the wedge-type clamp body is arranged in the wire clamping hole. The cross section of the wedge-shaped wire clamp body is U-shaped, the opening end of the wedge-shaped wire clamp body is slidably connected with a wedge block, the wedge block is arranged on two groups of wedge blocks, and the wedge block is arranged in an isosceles trapezoid structure; according to the utility model, through the two groups of mutually buckled wedge blocks and the slidable wedge blocks, by using the principle of a wedge-shaped structure, a strong clamping force can be generated, a wire is firmly fixed in the wire clamping hole, the design can effectively prevent the wire from slipping or falling off under the influence of various environmental factors, and the safety and stability of power transmission are greatly improved.
Owner:SHAANXI JINGPENG ELECTRIC POWER TECH CO LTD

Overhead cable sag adjusting device

The invention relates to an overhead cable sag adjusting device which comprises a mounting base and sag adjusting assemblies, the sag adjusting assemblies comprise the first sag adjusting assembly, the second sag adjusting assembly and the third sag adjusting assembly, a vertical plate is arranged above the mounting base, the first sag adjusting assembly is arranged in front of the vertical plate, and the third sag adjusting assembly is arranged in front of the vertical plate. The first sag adjusting assembly is longitudinally and slidably connected with the vertical plate; a second sag adjusting assembly is arranged in front of the first sag adjusting assembly, and the second sag adjusting assembly is in longitudinal lifting connection with the first sag adjusting assembly; a transverse plate is installed at the bottom of the first sag adjusting assembly, follow-up sag adjusting assemblies are arranged on the two sides of the upper portion of the transverse plate, and cable pushing assemblies and third sag adjusting assemblies are arranged above the follow-up sag adjusting assemblies. The device has the advantages of being reasonable in structure, capable of improving working efficiency, time-saving, labor-saving, high in error-tolerant rate, convenient to operate and good in safety.
Owner:STATE GRID HENAN ELECTRIC POWER CO YUANYANG COUNTY POWER SUPPLY CO

Tension stringing apparatus and process

The process and apparatus for tension stringing a conductor through above-ground supports uses a length of rope affixed to the conductor wound on the tensioning machine and pulled by the puller machine. Each of the first and second stringing apparatuses includes an onboard control system which controls each of the first and second stringing apparatuses in pulling mode or in tensioning mode. Each of the first and second stringing apparatuses includes a motor / regenerative brake or other means of inducing tension into the conductor. Each of the machines includes a wireless transceiver which is hardwired to said onboard control systems. A first operator resides on the puller machine and selects the machine as a puller machine operating in pulling mode using an onboard control system. An observer resides on the tensioner and selects the second machine to be the tensioner. Each of the wireless transceivers communicates with the other wireless transceiver enabling control of both the machines by the onboard control system of the puller machine.
Owner:TSE INT

Power distribution network planning device based on power distribution network frame

The invention relates to the technical field of power distribution network planning, in particular to a power distribution network planning device based on a power distribution network frame, which comprises a telegraph pole, a first support fixedly connected is arranged at the top end of the telegraph pole, a movable positioning mechanism is arranged at the top of the first support, and the positioning mechanism comprises a fixedly connected mounting box. A second support which is axially distributed is fixedly arranged on the side wall of the first support, first rotating seats which are fixedly connected are symmetrically arranged at the top of the second support, third supports which are fixedly connected are arranged on the two opposite side walls of the mounting box, rotatable guide mechanisms are arranged in the first rotating seats, and movable stretching mechanisms are arranged at the bottoms of the third supports; a sliding rail fixedly connected is arranged between the third support and the second support, a first sliding groove is formed in the sliding rail, a slidable winding mechanism is arranged in the first sliding groove, and by arranging the stretching mechanism, the sag of the electric wire can be adjusted, and the emergency situation that the electric wire is broken can be dealt with.
Owner:LUAN SUBURBAN POWER SUPPLY CO OF STATE GRID ANHUI ELECTRIC POWER CO LTD

Split type strain clamp for large-cross-section wire

The utility model relates to the technical field of strain clamps, and discloses a split type strain clamp for a large-cross-section wire, which comprises a strain clamp main body, a wire main body is arranged in the strain clamp main body, a splicing mechanism is arranged at the top of the strain clamp main body, a fixing mechanism is arranged on the right side of the splicing mechanism, and a clamping mechanism is arranged on the right side of the fixing mechanism. The splicing mechanism comprises a splicing assembly and a locking assembly, the splicing assembly is arranged at the top of the strain clamp body, the locking assembly is arranged on the left side of the splicing assembly, and the fixing mechanism comprises a clamping assembly and a limiting assembly. According to the split type strain clamp for the large-section wire, through the arrangement of the splicing mechanism, a worker can lock or unlock the fixed screw cylinder I and the sleeve frame only by rotating a bolt, so that the worker can disassemble and assemble the wire frame conveniently, the worker can disassemble and assemble the wire frame according to use requirements, and the split type strain clamp is convenient for the worker to use.
Owner:CHENYI ELECTRIC POWER TECH CO LTD

Anti-falling tension buffer spacer and rapid assembly method of main body structure thereof

This invention discloses a rapid assembly method for an anti-detachment tension buffer spacer and its main structure, belonging to the field of power fittings technology for transmission lines. It includes a main structure, a rubber core, and pre-twisted wire. The main structure comprises two relatively spaced frames, and multiple wire clamps and multiple rigid arc tubes disposed between the two frames. The rubber core serves as a buffer layer covering the outer periphery of the transmission line, and the pre-twisted wire is wound and wrapped around the outer periphery of the combination of the transmission line and the rubber core. The invention also includes an assembly method for rapidly manufacturing the main structure based on a dedicated quick-assembly workbench for anti-detachment spacers. This invention achieves rapid assembly of the anti-detachment spacer through multi-station synchronous operation and dynamic bolt control strategies, significantly shortening the assembly cycle of a single product and greatly improving batch production efficiency.
Owner:STATE GRID CORP OF CHINA DC CONSTR BRANCH +4

Mechanical supporting device for preventing distribution line from being broken and tension control method

The invention discloses a distribution line anti-breaking mechanical support device and a tension control method, the device comprises a support, a fixed end and a movable end, the movable end is slidably connected with the other side of the top of the support, the tops of the fixed end and the movable end are provided with semicircular grooves, and the tops of the fixed end and the movable end are provided with wire clamps. A wire is arranged in the semicircular groove, a buffering section is arranged on the section, located between the fixed end and the movable end, of the wire, the bottom end of the support is fixedly connected with a tension buffering mechanism connected with the movable end, and the tension buffering mechanism is used for driving the movable end to move in the first direction when the tension of the wire is increased so as to release the effective length of the wire. The invention relates to the technical field of power line protection. According to the mechanical supporting device for preventing the distribution line from being broken and the tension control method, the tension change of the electric wire can be dynamically responded, the effective length of the electric wire is automatically adjusted, overtension is effectively buffered, the electric wire is prevented from being broken, and state monitoring and remote management capabilities are achieved.
Owner:ANHUI ZHONGAN ZHICHENG POWER TECH CO LTD

Anti-wear strain clamp

The invention discloses an anti-wear strain clamp, and relates to the technical field of strain clamps. The invention aims to solve the technical problem of electric leakage and short circuit caused by abrasion and fracture of an outer layer of a wire due to swinging and friction of the wire in a traditional wire clamp. The device comprises a lifting part, a clamping part and a force unloading assembly which are integrally formed, a U-shaped lock is arranged outside the clamping part, and the lower end of the U-shaped lock is movably connected with a clamping block; the force unloading assembly comprises a lining movably connected to the interior of the clamping part, first sliding blocks are fixed to the two sides of the lining, and first sliding grooves matched with the first sliding blocks are formed in the inner walls of the two sides of the clamping part. A second sliding block is fixed to the upper end of the clamping block, a second sliding groove matched with the second sliding block is formed in the lower end of the U-shaped lock, and the side edge of the clamping block is subjected to rounding treatment. According to the technical scheme, sliding friction between the wire and the clamping part is transferred into relative movement between the lining and the clamping part, and the friction mode between the clamping block and the wire is converted into rolling friction, so that the abrasion probability of the wire is remarkably reduced, and the safety of the fixed wire is ensured.
Owner:SHENGSI COUNTY POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD

Cable threading insulation wire clamp with internal locking structure

The invention relates to the technical field of insulated wire clamps, in particular to a cable threading insulated wire clamp with an internal locking structure, which comprises a shell assembly, a guide assembly and a locking assembly. A ratchet wheel and pawl assembly is arranged in the guide assembly, a rack meshed with a pawl is arranged in the locking assembly, and the ratchet wheel and the rack cooperate to form a mechanical one-way locking mechanism, so that the cable cannot return after penetrating. Meanwhile, a wedge-shaped auxiliary limiting assembly with a spring is further arranged in the cable clamp, and radial self-adaptive holding can be achieved in the cable locking process. By integrating guiding, one-way locking and radial clamping functions, positioning, retreating prevention and fixing of a cable are completed at a time in the threading process, the defects of an existing cable clamp in the aspects of retreating prevention, function integration and self-adaptive clamping are effectively overcome, and the cable clamp has the advantages of being easy and convenient to install, high in reliability, high in applicability and good in cable protection.
Owner:VICTOR POWER EQUIP CO LTD

Apparatus and method for temporarily suspending conductors

A set of components for assembling a temporary wire suspender includes in the set a yoke plate, a plurality of J-hook assemblies, a plurality of linkage members, and a plurality of removable couplers configurable to handle an expandable number of energized or de-energized conductors or sub-conductors. Positive control of the suspended and / or supported energized or de-energized conductors or sub-conductors is achieved by using releasable latches on the J-hook assemblies.
Owner:QUANTA ASSOCIATES LP

Anti-loose high-voltage wire clamping power fitting

The present application relates to the technical field of electric power fittings, in particular to a high-voltage wire clamping electric power fitting capable of preventing loosening, comprising a fitting frame body, a load-bearing plate fixedly connected to the side wall of the fitting frame body, wire clamping guide grooves formed in the side walls of the fitting frame body, and inner-arc wire pressing blocks slidably connected to the wire clamping guide grooves. The automatic adjustment assembly provided by the present application can automatically adjust the wire clamping force, thereby ensuring that the connection point continuously maintains the optimal pressing state. The screw locking assembly provided by the present application can ensure that the clamping force remains stable for a long time. The locking opening and closing assembly provided by the present application can intelligently switch the locking state. The side end loosening sensing assembly provided by the present application can provide accurate data support for automatic adjustment. The side end adjusting assembly provided by the present application can fine-tune and compensate the position of the inner-arc wire pressing blocks, thereby effectively preventing loosening.
Owner:SHANDONG GUANGDA LINE EQUIP CO LTD

Adaptive cable clip module and adaptive cable clip

The application discloses a self-adaptive wire clamp module and a self-adaptive cable clamp, wherein the self-adaptive wire clamp module comprises a shell and a plurality of telescopic cable clamping mechanisms arranged in the inner cavity of the shell; a plurality of guide holes are arranged on the shell in contact with the cable in the axial direction of the cable; according to the softening degree of the cable insulation layer, the clamping portions of the plurality of telescopic cable clamping mechanisms are extended out of the shell through the one-to-one corresponding plurality of guide holes to compress the cable by corresponding lengths. The self-adaptive wire clamp module quantizes the cable into smaller sections according to the number of the plurality of telescopic cable clamping mechanisms on the clamped cable section; the softening degree of the cable insulation layer caused by different temperatures is different; the length of the clamping portion corresponding to each small cable section is different; and the self-adaptive clamping of the cable under different temperature working environments is achieved, and the stability of the clamped cable is improved. The application improves the stability of the wire clamp clamped cable under different temperature working environments.
Owner:GUANGZHOU PANYU CABLE WORKS

Wire short-circuit structure of double-loop tower

The utility model relates to a lead short-circuit structure of a double-loop tower, which comprises two groups of high-voltage line towers, the two groups of high-voltage line towers are connected through three groups of short-circuit leads and a group of short-circuit ground wires, the three groups of short-circuit leads respectively correspond to an A phase, a B phase and a C phase, and the short-circuit leads and the short-circuit ground wires are connected through equipment wire clamps. The utility model has the advantage of simple construction.
Owner:POWERCHINA JIANGXI ELECTRIC POWER ENGINEERING CO LTD

Tensioning clamp of power transmission tower

The tensioning clamp of the power transmission tower comprises an installation plate, a lifting plate is installed on the surface of the installation plate through a lifting mechanism, an annular groove is formed in the top of the lifting plate, an annular block is installed on the inner wall of the annular groove in a sliding mode, and a rotating disc is fixedly installed on the top of the annular block. And a limiting groove is formed in the surface of the annular block. A wire is placed on the inner wall of a second wire clamp, a second threaded rod is rotated to drive a first wire clamp to move, the first wire clamp and the second wire clamp are matched to fix the wire, a sliding column is pulled to drive a limiting column to move, the limiting column leaves the inner wall of a limiting groove, and limiting installation of a rotating disc can be loosened; the rotating disc can be manually rotated, the first wire clamp and the second wire clamp can be adjusted to reach proper angles, the sliding column is loosened, the spring is reset to drive the limiting column to be inserted into the inner wall of the limiting groove, the rotating disc can be limited, and the angles of the first wire clamp and the second wire clamp can be conveniently adjusted.
Owner:ZHEJIANG JINTA POWER CIRCUIT EQUIP