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499results about "Adjusting/maintaining mechanical tension" patented technology
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Automatic direction change pendulum-type rotary drive gear ratchet tensioner for indirect live wire with unlimited tension distance control and indirect live wire non-power distribution method using same
PendingUS20250144776A1Adjusting/maintaining mechanical tensionSlip couplingRatchetControl engineering
Provided is a gear ratchet tensioner for indirect live wire and an indirect live wire non-power distribution method and, more specifically, to an automatic direction switching pendulum-type rotary drive gear ratchet tensioner for indirect live wire and an indirect live wire non-power distribution method using the same, wherein the automatic forward or reverse rotation of a roller shaft can be carried out by simply operating a rotary lever using a stick for indirect live wire, and accordingly, indirect live wire work from the wire in the live wire condition enables safe wiring work such as wire electric dip adjustment work, electric wire installation work, and suspension insulator replacement work, etc. and the roller shaft is formed to be driven by a backstop ratchet ring operated by a multi-angle bundle pearl to strongly prevent a reverse direction and prevent backlash during a reverse rotation driving process to enable strong rotation driving.
Owner:DAEWON ELECTRIC CO LTD +1
Buffer connecting device for tension-resistant transmission tower
PendingCN120728495ADevices for damping mechanical oscillationsAdjusting/maintaining mechanical tensionTransmission towerStatic friction
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
Strain clamp X-ray detection device for power transmission line
PendingCN119985555AAdjusting/maintaining mechanical tensionSuspension arrangements for electric cablesFlight vehicleMechanical engineering
The invention relates to the technical field of ray detection, and discloses a strain clamp X-ray detection device for a power transmission line, which comprises a walking assembly, an imaging assembly, an aircraft and a control assembly, the aircraft can carry the strain clamp X-ray detection device on a split conductor; the walking mechanism is controlled by the control assembly to start to drive the rack to arrive at the position of the strain clamp to be detected, the imaging plate and the X-ray machine are further synchronously adjusted through the adjusting mechanism, so that the strain clamp can be located in a detection position formed between the imaging plate and the X-ray machine, the X-ray machine is controlled to emit X-rays to irradiate the strain clamp, and the strain clamp is detected. Receiving the X-ray by the imaging plate, and forming a strain clamp X-ray film; through continuous adjustment of the adjusting mechanism, the imaging mechanism completes X-ray detection on each strain clamp on the split conductor. In the detection process, the aircraft only needs to fly once, so that the detection operation process is simplified, the time required by the detection work is saved, and the detection work efficiency is improved.
Owner:GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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
Compression type strain clamp
The invention relates to the technical field of strain clamps, in particular to a compression type strain clamp which comprises a body and a connector, the connector comprises a steel pipe, a first upper clamping device and a first lower clamping device, the first upper clamping device is clamped on an aluminum pipe, and according to the compression type strain clamp, when the strain clamp is not broken, the overall rigidity of the clamp body is improved, a jumper wire is supported, and the service life of the jumper wire is prolonged. And after fracture, the fracture point is prevented from deviating to a farther position under the action of the connector and the jumper strainer, and the lead does not apply a downward pulling force to the jumper after fracture. Under the action of the locker, when the jumper wire is broken, the locker locks the position of the hinge rod I, namely, the connecting rod II cannot move, so that the limiting tensioner cannot move, that is, the steel pipe is locked, the bottom of the jumper wire is prevented from shaking, and the service life of the jumper wire is prolonged. Therefore, wrinkles or fractures between the jumper wire and the drainage tube are avoided.
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
PCT designated stageWO2025183395A1Adjusting/maintaining mechanical tensionSuspension arrangements for electric cablesStructural engineeringWire fixation
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
Electric power fitting connector for elastic cable
The invention relates to the technical field of cables, and discloses an electric power fitting connector for an elastic cable, which comprises a bent rod, two groups of fixing blocks are arranged on the outer wall of the bent rod, the inner walls of the two groups of fixing blocks are in sliding connection with the outer wall of the bent rod, sleeves are fixedly connected to the sides, close to each other, of the two groups of fixing blocks, and the electric power fitting connector further comprises a fixing mechanism, the fixing mechanism comprises two moving plates, the sides, close to the bent rod, of the two moving plates are slidably connected with the outer wall of the bent rod, the sides, away from the bent rod, of the two moving plates are each provided with two first connecting rods, and the sides, close to the moving plates, of the four first connecting rods are slidably connected with the moving plates. By arranging the fixing mechanism, the insertion mechanism can be limited, after the insertion mechanism completes distance movement, the fixing mechanism can prevent the insertion mechanism from moving again, and therefore it is ensured that after the electric power fitting connector is installed, the installation stability of the electric power fitting connector is maintained.
Owner:BAODING HUASEN POWER EQUIP MFG
Tension adjusting device for overhead line
ActiveCN120566310AAdjusting/maintaining mechanical tensionApparatus for overhead lines/cablesControl theoryElectric cables
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
ActiveCN121055221AAdjusting/maintaining mechanical tensionSuspension arrangements for electric cablesClassical mechanicsElectric wire
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
PendingCN121749022AAdjusting/maintaining mechanical tensionSuspension arrangements for electric cablesClassical mechanicsCopper-wiring
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
Power transmission tower
PCT designated stage expiredWO2025066543A1Adjusting/maintaining mechanical tensionSuspension arrangements for electric cables
Provided in the present application is a power transmission tower, comprising a tower body and a composite cross arm arranged on the tower body. The composite cross arm comprises a post insulator, a diagonal tension insulator and a node fitting, wherein first ends of the post insulator and the diagonal tension insulator are both connected to the tower body, and second ends thereof are connected together by means of the node fitting. The node fitting comprises: a first connecting fitting and a second connecting fitting; and two wire hanging fittings, both of which are connected to the second connecting fitting, the first connecting fitting being connected to the second connecting fitting by means of one of the wire hanging fittings, wherein both the two wire hanging fittings are used for hanging a conductive wire. The post insulator is connected to the first connecting fitting, and the diagonal tension insulator is connected to the first connecting fitting or the second connecting fitting. The described design enables the bearing capacity of the node fitting to be improved, reducing the manufacturing cost of the power transmission tower.
Owner:SHANGHAI SHEMAR POWER ENG CO LTD
Strain clamp
The utility model provides a strain clamp, and relates to the field of power transmission and transformation line fittings. The strain clamp comprises a steel anchor, a strain pipe, a drainage plate, a drainage clamp and a fastening assembly, the steel anchor is connected with the strain pipe; the strain pipe is welded with one end of the drainage plate; the drainage wire clamp is connected with the other end of the drainage plate, and the drainage wire clamp and the drainage plate are fastened through the fastening assembly; wherein the drainage plate is provided with first ripples, and the drainage wire clamp is provided with second ripples; after the drainage plate and the drainage wire clamp are connected, the first corrugation and the second corrugation are matched. The strain clamp provided by the utility model is high in heat resistance and convenient to install and maintain.
Owner:JIANGDONG FITTINGS EQUIP
Power transmission tower with protection function
PendingCN119965761ADevices for damping mechanical oscillationsAdjusting/maintaining mechanical tension
The invention discloses a power transmission tower with a protection function, and relates to the technical field of power transmission towers, the power transmission tower comprises a power transmission tower main body of a rectangular frame structure, and the inner wall of the top end of the power transmission tower main body is connected with a wire used for transmitting a main carrier of electric energy in an inserted mode; the outer wall of the bottom end of one side of the power transmission tower body is in threaded connection with an insulator used for connecting the insulated wire and the power transmission tower body and conducting current to the power transmission tower body, a balance reset mechanism is arranged on the outer wall of one side of the insulator, and a current guiding mechanism is arranged at the center of the lower portion of the wire. A sag suppression mechanism is arranged on the outer wall of the lower portion of the wire, a long tooth plate block and a short tooth plate block are matched with each other, a balance reset mechanism can automatically adjust the tension difference between the wires, and therefore the stability of the wires is maintained, and the balance reset mechanism can reduce wire shaking; therefore, the occurrence of short-circuit accident risks caused by contact of the wires under strong wind or other extreme conditions due to non-uniform tension among the wires is reduced.
Owner:HENAN CHENSUO CONSTRUCTION ENGINEERING CO LTD
High-stability low-voltage wire tightener
The high-stability low-voltage wire tightener comprises an upper pressing plate, a middle pressing plate, a lower pressing plate and a shell, two screws are arranged at the bottom of the upper pressing plate, two middle holes and two lower holes are formed in the middle pressing plate and the lower pressing plate respectively, the screws sequentially penetrate through the middle holes and the lower holes, and locking nuts are connected to the screws; the pre-tightening mechanisms are arranged on the two sides of the lower pressing plate and matched with the two screw rods correspondingly, each pre-tightening mechanism comprises a pre-tightening knob, a follow-up block and a pre-tightening shaft sleeve, the pre-tightening shaft sleeves are installed on the peripheries of the screw rods, a plurality of conical teeth are vertically arranged on the side portions of the pre-tightening shaft sleeves, the two sides of the lower pressing plate are each provided with a circular truncated cone part, and movable cavities are formed in the outer ends of the circular truncated cone parts; a guide hole is formed in the inner end of the movable cavity, the pre-tightening knob is connected to the outer end of the circular truncated cone part, the follow-up block is arranged in the movable cavity, the pre-tightening knob is rotated to drive the follow-up block to axially slide, and a locking convex part is arranged on the follow-up block. When the nut is not screwed tightly or unscrewed, the cable cannot slide and fall off, high-altitude operation of a worker is facilitated, and the safety is higher.
Owner:ZHEJIANG ZUOYI POWER EQUIP
Wire tensioning systems and methods of use
PCT designated stageWO2025208153A1Adjusting/maintaining mechanical tensionTension measurementWire rodClassical mechanics
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
Parallel bunched cable strain clamp convenient to install
PendingCN119813053AAdjusting/maintaining mechanical tensionSuspension arrangements for electric cablesInsulation layerControl theory
The invention discloses a parallel bunched cable strain clamp convenient to install, and aims to overcome the defect that in the prior art, a parallel bunched cable strain clamp is inconvenient to use. The technical problem is solved through the following technical scheme that the device comprises a first clamping plate and a second clamping plate which are arranged in parallel, and the two sides of the first clamping plate and the two sides of the second clamping plate are connected through parallel connecting assemblies; clamping block assemblies are arranged on the opposite surfaces of the first clamping plate and the second clamping plate and are arranged in the first clamping plate and the second clamping plate in a sliding manner; a connecting assembly is arranged on the second clamping plate. Most of the parts are assembled in advance, so that the use is very convenient, and the trouble of assembling in the mounting process is saved; and the first clamping plate and the second clamping plate are always kept parallel, so that the clamping force applied to the parallel bunched cable is more uniform, and an insulating layer of the parallel bunched cable is prevented from being damaged due to overlarge local clamping force of the parallel bunched cable.
Owner:CHANGSHAN COUNTY POWER SUPPLY CO OF STATE GRID ZHEJIANG ELECTRIC POWER CO LTD
Anti-loosening tension wire clamp
The present invention relates to the technical field of tension clamps, and specifically to an anti-loosening tension clamp, comprising a main body and a pressure plate, wherein the pressure plate is located above the main body, and a plurality of groups of arc-shaped limit plates are arranged on a side of the pressure plate away from the main body, and a plurality of groups of through-set mounting holes are arranged on both sides of the main body, and a U-shaped bolt is arranged in each of the plurality of arc-shaped limit plates, and the lower end of the U-shaped bolt passes through the mounting hole; a power transmission line is placed between the main body and the pressure plate, and the lower end of the U-shaped bolt is passed through the mounting hole of the main body, so that the pressure plate and the main body are abutted, and a nut is placed in a hexagonal groove, and the U-shaped bolt is pressed downward to drive a sliding seat downward, and when the sliding seat moves downward, the sliding seat is driven to rotate by the reset effect of a torsion spring, and when the sliding seat rotates, the nut is driven to rotate by the hexagonal groove, and when the nut rotates, it is threadedly connected with the U-shaped bolt, so as to facilitate rapid threaded connection between the nut and the U-shaped bolt.
Owner:TORCH ELECTRICAL GRP
Strain clamp device of high-voltage power transmission line
ActiveCN119765161AAdjusting/maintaining mechanical tensionSuspension arrangements for electric cablesStructural engineeringElectric cables
The invention discloses a strain clamp device of a high-voltage power transmission line, and relates to the technical field of strain clamps, the strain clamp device comprises a winding and unwinding mechanism, the winding and unwinding mechanism is fixedly mounted at the middle position of the inner side surface of a fixed frame, and a cable is sleeved and fixed at the middle position of the surface of the winding and unwinding mechanism; the end face of the cable is wound in the axis direction of the winding and unwinding mechanism. According to the strain clamp device of the high-voltage power transmission line, when the slotting shaft rotates, the rotating roller is driven to rotate, a cable is unwound when the rotating roller rotates, meanwhile, the cable is pulled to a fixed point through external force driving, when the pulling force is removed, the surface of the cable is clamped by the first wire clamping mechanism and the second wire clamping mechanism, and therefore the cable is fixed. The surface of the cable has larger tension and is not easy to fall, so that the reversing cable is quickly clamped, and the problem of how to quickly erect and install the reversing wire which is bidirectionally stressed and pulled is solved.
Owner:WUHE COUNTY POWER SUPPLY CO OF STATE GRID ANHUI ELECTRIC POWER CO LTD
Insulated wire suspension clamp used for power transmission and capable of adjusting cables and wires
PendingCN120127569AAdjusting/maintaining mechanical tensionSuspension arrangements for electric cablesScrew threadElectric cables
The invention relates to the technical field of insulated wire suspension clamp equipment, and discloses an insulated wire suspension clamp capable of adjusting cables and wires for power transmission, the insulated wire suspension clamp comprises a fixed arc-shaped rod base, and the side wall of the fixed arc-shaped rod base is fixedly connected with a plurality of supporting rods. According to the invention, under the gravity action of the electric wire, the electric wire drives the plurality of threaded rods on the bottom fastening insulation sheet to slide downwards, the threaded rods slide downwards to drive the top fastening insulation sheet to slide downwards, and at the moment, the lower sliding column is mounted at the top of the bottom fastening insulation sheet; an angle adjusting rod at the top of a top fastening insulation sheet is rotatably installed on a lower sliding column, and when the electric wire shakes by wind power, the electric wire drives a top fastening insulation sheet at the top of a bottom fastening insulation sheet to rotate along the lower sliding column at the top of the angle adjusting rod; through the arrangement, long-time friction between the wire and the bottom fastening insulating sheet and the top fastening insulating sheet can be avoided, so that the phenomenon that the joint of the wire and the bottom fastening insulating sheet is damaged is avoided.
Owner:HUAIYIN INSTITUTE OF TECHNOLOGY
Windproof anti-swing equipment for power supply cable
ActiveCN120749632ADevices for damping mechanical oscillationsAdjusting/maintaining mechanical tensionImpellerWind run
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
Composite strain clamp
InactiveCN120073573AAdjusting/maintaining mechanical tensionSuspension arrangements for electric cables
The invention discloses a composite strain clamp, relates to the technical field of electric power fittings, and aims to provide a composite strain clamp which can actively drag a wire and reduce the large labor intensity and low efficiency of manually tightening the wire. A wire clamping part for fixing a wire is arranged below the fixing part, a connecting seat is arranged at the front end of the support part, a connecting frame is arranged in the connecting seat, and a driving wheel is rotationally arranged at the front end of the connecting frame. The device has the technical effects that the driving wheel and the clamping part are arranged, the wire is arranged below the driving wheel, then the clamping part is used for pressing the wire below the driving wheel, then the handheld electric wrench is connected with the third nut part, and along with the work of the handheld electric wrench, the third nut part drives the driving wheel to rotate, so that the wire is pulled up and tightened; and the labor intensity of manually dragging the wire is reduced.
Owner:BAODING YIYANG POWER EQUIP MFG CO LTD
A shock-absorbing and wear-resistant bolt-type tension clamp
ActiveCN222750101UDevices for damping mechanical oscillationsAdjusting/maintaining mechanical tensionMechanical engineeringPhysics
The utility model relates to a shock-absorbing and wear-resistant bolt-type tension clamp applied in the technical field of tension clamps. When the tension clamp body is used to install the aluminum stranded wire, the interlayer can be inserted into the tension clamp body from the side to fit with it, so that the first connecting block and the second connecting block will fit together. At this time, the first connecting block and the second connecting block are threadedly fixed by bolts to position the interlayer, and then the aluminum stranded wire is inserted into the interlayer in the tension clamp body. At this time, the sliding groove can be used for fine adjustment up and down to make the rubber pad at the bottom of the limit block contact with the top of the aluminum stranded wire, and the convex point is used to increase the friction to avoid slipping. After the position is adjusted, the U-bolt is clamped in the limit block and passes through the clamping groove, and is fixed by a nut, so that the aluminum stranded wire is positioned, effectively achieving the effect of avoiding wear between the aluminum stranded wire and the tension clamp body when the conductor or lightning conductor swings violently in strong winds.
Owner:LISHUI ZHOUTONG ELECTRIC TECH CO LTD
Pre-tightening wedge-shaped wire clamp
Owner:SICHUAN XISHU ELECTRIC POWER FITTING GRP
Strain cable clamp
ActiveCN222775944UMaintaining distance between parallel conductorsAdjusting/maintaining mechanical tensionClassical mechanicsStructural engineering
The strain cable clamp comprises a positioning seat, a limiting seat and a riveting rope, the positioning seat is provided with a limiting groove, the upper wall of the limiting groove is a penetrating opening, the limiting groove is gradually expanded from bottom to top, the limiting seat is composed of two limiting blocks which are matched with each other, the shape of the limiting blocks is matched with the shape of the limiting groove, and the riveting rope is arranged in the limiting groove. A first clamping groove and a second clamping groove are formed in the opposite side walls of the limiting block respectively, a wire groove is defined by the first clamping groove and the second clamping groove, and the riveting rope is arranged at the upper end of the positioning base. A cable penetrates between the first clamping groove and the second clamping groove, then the limiting seat is clamped in the limiting groove of the positioning seat, then the riveting rope is pulled, the two limiting blocks abut against each other under the action of the structure that the diameter of the limiting groove is expanded from bottom to top, the diameter of the wire groove is reduced till the cable is clamped, and then the riveting rope is fixed to a rod body or a wire harness. Disassembly and maintenance are convenient.
Owner:GUANGDONG HENVCON ELECTRIC POWER TECH CO LTD
Strain clamp
Owner:YANKUANG ENERGY GRP CO LTD +1
Anti-loosening electric power fitting for high-voltage wire clamping
ActiveCN121192586AAdjusting/maintaining mechanical tensionSuspension arrangements for electric cablesClassical mechanicsMechanical engineering
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
Electric power overhead cable sag adjusting device
PendingCN120150010AAdjusting/maintaining mechanical tensionClosed circuit television systemsDisplay deviceCamera module
The invention discloses an electric power overhead cable sag adjusting device which comprises an installation part, a supporting cross rod is fixedly installed on the installation part, an installation disc is installed on the supporting cross rod in a sliding mode, an adjusting disc is rotatably installed on the installation disc, the adjusting disc is connected with an adjusting drive, an observation cylinder is installed at the upper end of the adjusting disc, and a sight glass is installed at the front end of the observation cylinder. An observation line is arranged in the middle of the sight glass, an eye view window and a camera module are mounted at the rear end of the observation cylinder, the traction pulley is connected with a traction rope, the traction rope is connected with a winch, the traction rope penetrates through the traction pulley and then is connected with a line clamping device, and a display is mounted on the winch. According to the invention, the observation cylinder is arranged at the measurement position, and the observation content is transmitted to the display through the camera module, so that the work of observing through a marker post by an observer and the work of adjusting a tightener by a worker on a tension rod are reduced, and the work intensity and danger are reduced.
Owner:QINGHAI POWER TRANSMISSION & TRANSFORMATION ENG +2
A wedge-shaped wire clamp
The utility model discloses a wedge-shaped wire clamp, which relates to the technical field of electric power equipment, including: a wire clamp body; a traction mechanism, which is arranged in the wire clamp body and is used for pulling the rope, the traction mechanism including a displacement component, a movable tooth plate and a positioning tooth plate, the positioning tooth plate is fixedly connected to the bottom of the wire clamp body, the displacement component is arranged at the top of the wire clamp body, and the movable tooth plate is arranged on the displacement component; and a clamping mechanism, which is arranged in the wire clamp body. The wedge-shaped wire clamp can pull the rope during use through the use of the traction mechanism, so that the traction of the rope is more stable, and the movable tooth plate is wedge-shaped, so that during the traction process, the smaller the space, the greater the traction force, and the wedge-shaped wire clamp can clamp the rope through the use of the clamping mechanism, ensuring that it is not easy to loosen during use, improving the use effect, and the structure is simple, easy to use, and the safety of the pole pulling line is increased.
Owner:RENQIU ZHAOMING POWER EQUIP CO LTD