167 results about "High tension line" patented technology

1. The name of the design product: grounding steel needle depth detection device. 2. The use of the design product: for high-voltage line grounding line hanging detection. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The present application relates to the technical field of power transmission tower, and discloses a connecting joint of a steel pipe angle steel in a steel pipe tower of a power transmission line, two groups of the symmetrical clamping ends of the symmetrical clamping seats are provided with tight clamping plates, and the two sides of the two groups of symmetrical clamping seats are symmetrically provided with two groups of positioning bases, the inner sides of the two groups of positioning bases are symmetrically provided with two groups of direction adjusting guide rods, the end faces of the two groups of direction adjusting guide rods are symmetrically provided with direction adjusting holes, and the outer sides of the two groups of direction adjusting guide rods are provided with connecting seat assemblies. The present application replaces the welding connection form of the traditional cylindrical steel pipe main material and the angle steel auxiliary material, through the clamping of the two groups of symmetrical clamping seats, under the matching combination of the direction adjusting guide rods and the connecting seat assemblies, on the one hand, the present application has good uniform stress performance, so that the pressure of the high-voltage line is transmitted to the connecting joint through the angle steel auxiliary material, and then is uniformly transmitted to the cylindrical steel pipe main material through the connecting joint, thereby improving the stress stability of the steel pipe tower.

1. Name of the product in this design: Hook (Large). 2. Purpose of this design: for connection and fixation between high-voltage lines. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model relates to the field of power fittings processing technology, specifically to a high-voltage line power fittings forming device, including a workbench. A U-shaped fixing plate is provided on one side of the top of the workbench. Both ends of the U-shaped fixing plate are rotatably connected to rotating shafts. A lower mold is fixedly connected between the two rotating shafts. A first rotating wheel is rotatably connected to the outer side of the two rotating shafts away from the lower mold. A gear is fixedly connected to one end of each rotating shaft. An installation groove is provided on the top of the workbench, and a steel wire rope mesh is fixedly connected inside the installation groove. A fan is fixedly connected to the bottom of the workbench. In this utility model, when the hydraulic rod moves the U-shaped fixing plate horizontally to the right of the device above the steel wire rope mesh, the lower mold rotates 180 degrees, placing the casting on top of the steel wire rope mesh for heat dissipation. This eliminates the need for manual demolding, thereby reducing the labor intensity of workers, improving demolding efficiency, and preventing the high-temperature casting from posing a risk to workers.

The invention relates to the technical field of transformer high-voltage wire package production, and particularly discloses a transformer high-voltage wire winding machine which comprises a supporting mechanism, a turnover mechanism and a fixing mechanism, the supporting mechanism comprises a rotating shaft, a supporting shaft and a positioning ring, the rotating shaft is connected to the output end of a driving box, and the positioning ring is connected to the supporting shaft and used for positioning and blocking an empty wire package. The turnover mechanism comprises a universal joint, a supporting frame, a turnover part and a connecting part, the universal joint is connected between the rotating shaft and the supporting shaft, the supporting frame is connected to the driving box, the turnover part is rotationally connected to the supporting frame, the connecting part is connected to the turnover part, the connecting part is rotationally connected to the outer side of the supporting shaft, and the turnover part can rotate; the connecting part and the supporting shaft are driven to turn over by 90 degrees, and the fixing mechanism is installed on the supporting shaft; according to the transformer high-voltage wire winding machine, the empty coil is positioned through the gravity of the empty coil, deviation is avoided when the empty coil is fixed, and the winding effect of the high-voltage wire is ensured.

The utility model provides an automatic stripping device for a high-voltage wire harness, and belongs to a wire harness stripping device. The problem that the end part of the existing high-voltage wire harness is manually stripped is solved. The automatic wire stripping device for the high-voltage wire harness comprises a rack, a movable clamping mechanism used for clamping the high-voltage wire harness and a cutting mechanism used for stripping the end of the high-voltage wire harness, a movable plate capable of axially moving is arranged on the rack, the clamping mechanism is fixedly installed on the movable plate, and a straightening mechanism used for straightening and straightening the high-voltage wire harness is further arranged on the movable plate. A sliding plate is arranged between the clamping mechanism and the cutting mechanism, the sliding plate is driven by matching of a driving air cylinder and a guide rail structure, two baffle pieces used for assisting straightening of the high-voltage wire harness are further arranged between the clamping mechanism and the cutting mechanism, the two baffle pieces are arranged in an opposite structure, and the high-voltage wire harness penetrates out of the position between the two baffle pieces and penetrates into the cutting mechanism to be subjected to end wire stripping. The automatic wire stripping device for the high-voltage wiring harness has the advantage of high automation degree.

The present application relates to copper material cutting technical field, especially a kind of copper material cutting equipment for new energy automobile high-voltage wire manufacturing, including fastening claw, be set on rotating cutting mechanism, first contact with cutting knife and be elastically compressed copper bar when rotating cutting mechanism is lowered;Conveying restriction platform, set on the side of rack, allow copper bar one-way movement and limit reverse movement, make rotating cutting platform reset when driving copper bar synchronous movement realizes fixed-length feeding;Blanking push rod, with the up-down movement of rotating cutting mechanism is linked, when rotating cutting mechanism rises, jacks up copper bar to make it tilt blanking, through the elastic clamping design of fastening claw and matched fastening block, copper bar is firmly compressed before cutting, effectively suppress the vibration and displacement in cutting process;While the one-way rotating roller in conveying restriction platform cooperates with ratchet part, realizes copper bar one-way accurate feeding, ensures fixed-length cutting precision.

The utility model relates to new energy automobile charging facility technical field especially relates to a high pressure wire harness for charging pile, including high pressure main line, the high pressure main line outer surface is provided with the protection device, both ends of high pressure main line all are fixedly connected with the terminal, the outer surface of two terminal all is provided with a plurality of sawtooth protrusions, the outer surface of protection device is provided with three mounting devices. The utility model discloses a high pressure wire harness for charging pile, three mounting devices through arc connecting block and outer protective layer, the wire harness band cooperation daughter magic tape, mother magic tape reinforcement, connecting plate and screw fixed in charging pile, and the equal interval of multistage fixed avoids displacement wear and tear, guarantees the even interval to be favorable to heat dissipation, promotes the adaptability and stability, and the protection device adopts three layers structure of internal insulation layer, shielding layer, outer protective layer, realizes insulation, anti-electromagnetic interference and weather resistance wear resistance function in layers, solves the problem that traditional single structure is difficult to take into account multiple needs, prolongs the life.

The utility model discloses a pipeline transfer system for a pipe laying project under a limited site condition, which comprises a track and flat cars, two flat cars are adopted to transport a section of pipeline cooperatively, and the track is laid on a concrete cushion layer at the bottom of a foundation pit; the flat car comprises a flat car framework, a walking wheel system is installed on the flat car framework, the walking wheel system is connected with a walking wheel power system, track walking wheels of the walking wheel system are installed on the track in a supporting mode, a panel bracket is fixed to the top face of the flat car framework, and an arc-shaped supporting plate used for supporting a pipeline is fixed to the panel bracket. The pipeline transfer system can transfer pipelines at the same position in a foundation pit, fixing of pipeline lowering point positions is facilitated, possible influences on pipeline hoisting caused by adjacent buildings, high-voltage lines and the like in municipal engineering are avoided, safety is high, adaptability is high, and practicability is high. The cable is especially suitable for pipeline laying under unfavorable geological conditions such as sludge and backfill soil and space limited conditions such as adjacent high-voltage lines.

The utility model discloses a high-voltage line tower foot plate device capable of providing pulling resistance, which belongs to the technical field of power transmission towers and comprises a base, a high-voltage line tower is mounted on the base, tower foot plates are connected to tower corners of the high-voltage line tower and arranged on the base through foot holding bolts, mounting plates are mounted on the tower corners of the high-voltage line tower, and the mounting plates are connected with the high-voltage line tower. I-shaped steel is mounted on the bottom wall of the mounting plate, a plurality of groups of I-shaped steel are mounted at positions between tower corners of the high-voltage line tower, connecting assemblies are mounted between the I-shaped steel and the upper wall of the base, the lower ends of the connecting assemblies are fixedly connected with the base, and the upper ends of the connecting assemblies are connected with the bottom walls of the I-shaped steel. When the tower angle of one high-voltage line tower needs to be rectified, the connecting plate at the position is pulled out of the limiting groove, the tower angle is adjusted to drive the I-shaped steel to adjust, the I-shaped steel drives the adjusting piece to move up and down in the fixing piece, at the moment, the mounting plate moves between the upper baffle and the lower baffle, and the upper baffle and the lower baffle temporarily provide pulling resistance.

The invention relates to the technical field of erecting of prefabricated prestressed concrete box girders, and provides a prefabricated beam support transverse moving and erecting construction method which comprises the following steps that S1, a support is erected beside a cover beam, a beam is prefabricated on the support, by loosening a support jacking, the prefabricated box girder falls on a transverse moving trolley, and the transverse moving trolley is arranged on a transverse moving rail; s2, a chain block is used for transversely moving the prefabricated box girder to the corresponding box girder mounting position above the cover beam on the transverse moving track; and S3, a jack and a steel plate are adopted for alternate supporting to complete beam falling. According to the method, the problem of erecting the prefabricated prestressed concrete box girder under the condition that a bridge girder erection machine and a large-tonnage crane cannot be used due to site limitation is solved, the bridge girder erection machine and the large-tonnage crane are not used in construction, a high-voltage line above a bridge does not need to be changed in construction, and the construction period is effectively shortened.

The invention discloses a device for assisting installation of 220kV and 500kV grounding wires, and belongs to the technical field of power equipment auxiliary devices. The device comprises a control base frame, a motor is mounted on the control bottom table; the action of the motor is controlled by the control bottom table; the output end of the motor is vertically arranged upwards, and a screw capable of being matched with the motor to rotate is installed at the output end. An insulating lifting rod and an action conversion device are movably mounted on the screw rod; the action conversion device is used for changing the transmission mode between the insulating lifting rod and the screw rod; a connecting clamping head is mounted on the insulating lifting rod; an insulating transition rod is detachably mounted on the connecting chuck; the upper part of the insulation transition rod is provided with a hanging rod fixing assembly used for clamping a ground wire hanging rod. According to the invention, the problem that a single operator cannot carry out grounding installation operation easily and quickly because the grounding wire of the high-voltage line is too heavy is effectively solved.

The invention relates to high-voltage cable cutting equipment, and relates to the technical field of high-voltage cable cutting, the high-voltage cable cutting equipment comprises a working table, a lifting table is mounted in the working table, a carrying plate sleeves the periphery of a carrying rod on the lifting table, a wire passing groove is formed in a wire passing plate on the carrying plate, a rotating rod is arranged above the lifting table, and a driving assembly is arranged on the outer side of the working table; one end of the outer side of the rotating rod is in transmission connection with the driving assembly, a cutter wheel is fixedly installed at one end of the inner side of the rotating rod, a cutter edge groove facilitating passing of the cutter wheel is formed in the wire passing plate, an opening box is arranged at the bottom of the lifting table, and a discharging box is arranged in the opening box. High stability of a high-voltage cable in the cutting process can be guaranteed, the cutter wheel is driven to rotate at a high speed for cutting, so that a smooth and flat notch is obtained, the phenomenon that the failure rate of an electric power system is high due to burrs and sharp corners of the notch is fundamentally eliminated, and long-time stable operation of the electric power system is guaranteed.

The invention relates to a high-voltage system comprising: - a high-voltage line (1) with a conductor (2), an inner insulation (3), a shield (4) in the form of a braided shield, and an outer insulation (5), - a plug and / or screw connector (6) comprising a shield sleeve (8) contacted with the shield (4) and extending from one end of a housing (7) with at least one contact spring, a conductor pin (9) contacted with the conductor (2) and extending from the end of the housing (7), and insulation (10) between the shield sleeve (8) and the conductor pin (9), - a high-voltage unit comprising a unit housing (11), a busbar (13) and a pin tray with a busbar contact (12) contacted with the busbar (13) and a housing contact (14) contacted with the unit housing (11), wherein the conductor pin (9) is contactable with the busbar contact (12), wherein further insulation (15) is arranged between the housing contact (14) and the busbar contact (12), wherein the shield sleeve (8) is contactable with the housing contact (14), wherein the shield (4) of each high-voltage line (1) is connected to a housing of at least one power distribution unit (24), wherein the housing of the at least one power distribution unit (24) is connected to a chassis (23) or frame (23) via a potential equalization cable (21).

The invention relates to the technical field of high-voltage wire erection, in particular to a high-voltage wire traction and tensioning device which comprises a base, and a tensioning mechanism, a monitoring mechanism, a clamping mechanism and a wire guiding mechanism are installed on the base. The monitoring mechanism comprises a guide cylinder, a guide rod is slidably connected in the guide cylinder, the guide rod is fixedly connected with a first wire guide roller support, the first wire guide roller support is rotatably connected with a first horizontal wire guide roller, a compression spring is arranged between the first wire guide roller support and the base, and a pressure sensor is arranged between the compression spring and the base; a control mechanism is installed on the base and adjusts the rotating speed of the first driving assembly according to a signal of the pressure sensor. The tension of the high-voltage line is indirectly monitored in real time by arranging the pressure sensor, and the control mechanism adjusts the rotating speed of the first driving assembly according to a signal of the pressure sensor, so that accurate control over the traction tension is achieved, it is ensured that the tension of the high-voltage line is uniform, and high-voltage line damage caused by too tight or too loose is prevented.

The utility model relates to the technical field of wiring harness arrangement, in particular to a high-voltage wiring harness arrangement device for a new energy tractor, which comprises an insulating frame, and a plurality of rotating parts are rotatably arranged on the peripheral side wall at intervals along the length direction of the insulating frame; the binding ropes are respectively connected between each pair of adjacent rotating parts and are used for binding and fixing the multiple bundles of high-voltage wire harnesses; and the locking mechanism is arranged between the insulating frame and the rotating part and is used for relatively fixing the rotating part and the insulating frame so as to limit or allow the rotating part to rotate along the axis of the rotating part. According to the utility model, the rotating part is rotated clockwise, so that the rotating part applies larger tension force to the binding rope, and the diameter of the rope opening is reduced. On the contrary, when the rotating part rotates anticlockwise, the rotating part pulls the binding rope to be loose, so that the diameter of the rope opening is increased to enable the rope opening to adapt to the high-voltage wire harnesses with different diameters, then the rotating part is limited to rotate through the locking mechanism, and the multiple bundles of high-voltage wire harnesses are stably arranged.

The utility model relates to a high-voltage wire harness fixing support for a new energy automobile, which comprises a connecting part and a wire bunching part, a supporting structure is arranged on the connecting part, the wire bunching part is fixed on the supporting structure, an opening is arranged at the top of the wire bunching part, and a clamping part is fixed at the opening of the wire bunching part. Through the arrangement of the connecting part, the wire bunching part and the clamping part, a wire harness can be fixed on a vehicle body, and meanwhile, the wire harness is convenient to arrange and arrange.

The utility model discloses a high pressure connector wire harness shielding adapter shell anti -rotation structure, and the braided shielding layer of the wire harness to be connected can be sleeved on the outside of the crimping sleeve of the one end of shielding adapter shell, the conductor of the wire harness to be connected can pass through the inner hole of crimping sleeve, and the compression ring can compress the braided shielding layer on the outside of crimping sleeve, at least one radial anti -rotation slot or radial anti -rotation convex rib is equipped on the inside wall of the circular insertion hole of the one end of insulating casing, the other end of shielding adapter shell forms the connecting sleeve of cross section circular ring structure, the connecting sleeve can be inserted in the circular insertion hole of insulating casing, and the radial anti -rotation convex rib or radial anti -rotation slot on the circumferential outside wall of connecting sleeve is inserted with the radial anti -rotation slot or radial anti -rotation convex rib on the inside wall of circular insertion hole, realizes the shielding adapter shell and insulating casing stop, and the utility model discloses can satisfy the anti -rotation requirement of high pressure wire harness, reduces the production cost of shielding adapter shell, and improves shielding adapter shell quality.

The invention relates to the technical field of high-voltage line deicing, in particular to a high-voltage line deicing system with adjustable pressure, which comprises a walking mechanism and a deicing execution mechanism mounted on the walking mechanism, and further comprises a pressure adjusting device, a pressure detection mechanism and a central controller, the pressure adjusting device is connected between the walking mechanism and the deicing executing mechanism. The system can automatically adjust pressure according to the thickness and hardness of an ice layer, the pressure is increased to ensure the deicing effect when the ice is thick, and the pressure is reduced and even is separated from contact when the ice is thin or no ice exists, so that a wire is protected; the safety is high: by setting the pressure upper limit, the potential damage to the electric wire caused by overlarge mechanical pressure is fundamentally avoided, and the operation safety is improved; the deicing efficiency is high, deicing is conducted at the optimal pressure all the time, repeated operation or invalid operation caused by insufficient pressure is avoided, and the deicing efficiency is improved.

This application discloses a method and system for energy recovery from a DC-powered high-voltage line tensioning machine. It includes: constructing a hybrid energy storage system comprising a battery pack and a supercapacitor, and multimodal sensing hardware; processing images and vibration information collected from the line-laying trolley using a spatiotemporal fusion deep prediction model to predict mechanical impact characteristics in advance; using a deep reinforcement learning algorithm for active, operation-level energy allocation and scheduling of the hybrid energy storage; and finally, employing dual-timescale control to isolate electrical and mechanical disturbances. This application can actively decouple and eliminate bus voltage oscillations and tension control misalignment caused by sudden load changes such as the traction plate passing over the trolley, reducing the risk of line drop and improving the efficiency of regenerative energy recovery during line-laying construction.

The application discloses a safety evaluation method and an evaluation device for a high-voltage line tower in a blasting influence area, relates to the technical field of high-voltage line tower safety evaluation, and is used for improving the accuracy of safety evaluation of the high-voltage line tower in the blasting influence area. In the method, the evaluation device sets a reference line tower which is not affected by blasting, and a deformation response proportional relationship between a target line tower and the reference line tower under natural conditions is established in advance, so that the deformation amount caused by natural environmental factors such as wind load and temperature difference on the target line tower can be estimated and deducted during blasting, the independent blasting deformation vector used for evaluation can more truly reflect the action effect of blasting, and the accuracy of safety evaluation of the high-voltage line tower in the blasting influence area is improved.

The invention discloses a multifunctional live working insulating rod, and relates to the technical field of power equipment. The device comprises an insulating rod body and a sleeve detachably installed at the end of the insulating rod body in a threaded mode, a wire passing groove is formed in the tail end of the sleeve in a concave mode, a beating rod capable of moving forwards and backwards in a reciprocating mode is arranged at the groove bottom of the wire passing groove, and the tail end of the beating rod is in threaded connection with a beating head. The striking rod is controlled by a driving assembly arranged in the sleeve to move, and the device further comprises a pair of guiding bent rods fixed to the sleeve, and the two guiding bent rods are in a branch shape and used for guiding the high-voltage wire to be arranged in the wire passing groove. When the flywheel rod rotates to one end close to the striking rod, the connecting rod pushes the striking rod to extend towards the wire passing groove, and finally circular motion is converted into high-frequency reciprocating linear motion of the striking rod, so that impact deicing of ice coated on the high-voltage wire is realized, manual knocking is replaced by electric reciprocating striking, the deicing time of a single section of wire is shortened, and the deicing efficiency is improved. And the method is suitable for rapid processing of large-scale iced lines.

The utility model relates to high -voltage cable connection technical field, concretely relates to a high -voltage connector, including insulator shell, the lateral surface of insulator shell is provided with the through -hole for high -voltage cable to pass, the inside of insulator shell is provided with pin needle subassembly, and pin needle subassembly is parallel to the setting of insulator shell's central axis, the one end of pin needle subassembly is away from the fixed connection of one end of pin peg subassembly with the wire in high -voltage cable, another end and the one end of pin peg subassembly fixed connection, another end of pin peg subassembly penetrates insulator shell, and is used for plugging in high -voltage equipment, make high -voltage cable with high -voltage equipment is connected. This high -voltage connector can easily realize the bending connection of high -voltage cable, greatly saves the space, reduces the space when high -voltage cable bending occupies, can be applicable to the place of limited space, solve the problem of the big space when directly bending high -voltage cable in prior art occupies.

The utility model discloses a high -tension wire harness fixed bolster, including first support and second support, first support includes first upper ring and first lower ring, and first upper ring and first lower ring inlayed connection, second support includes second upper ring and second lower ring, and second upper ring and second lower ring inlayed connection, wherein, first lower ring and second lower ring inlayed connection, install simple, improved assembly efficiency.

The invention relates to the field of high-voltage line electric power overhaul, in particular to a rail transit high-voltage line electric power overhaul auxiliary device which comprises a moving vehicle, the top of the moving vehicle is fixedly connected with a lifter, the top of the lifter is fixedly connected with a bearing device, and the inner wall of the bearing device is slidably connected with a supporting device. The supporting device comprises an opening and closing door, the bottom of the opening and closing door is rotationally connected with a bearing box, the inner wall of the bearing box is fixedly connected with a separation plate, a sliding groove is formed in the top of the separation plate, positioning grooves are symmetrically formed in the top of the separation plate, and drainage grooves are evenly formed in the top of the separation plate. Anti-skid parts are symmetrically arranged at the top of the isolation plate, long grooves are formed, so that elliptical balls are provided with protrusions, larger friction is achieved, meanwhile, when the foot is lifted, the elliptical balls clean soil on the shoe sole, the long grooves clean the inner walls of the groove seams of the shoe sole, long columns are reset, and bristles clean the elliptical balls and the long grooves.

The invention provides an aging test device. The aging test device comprises a test box which is provided with an accommodating cavity, a first mounting hole and a second mounting hole; the aging device is arranged in the accommodating cavity and comprises a seat body and two electrode groups, the seat body is provided with a mounting cavity, two opposite cavity walls of the mounting cavity are respectively provided with one electrode group, one electrode group is connected or contacted with a high-voltage cable or a copper bar, and the other electrode group is connected with a grounding wire; the stretching device is arranged in the mounting cavity and comprises a clamping assembly and an adjusting structure, the clamping assembly is provided with a clamping space used for clamping a sample, and at least part of the adjusting structure is movably arranged so as to drive the clamping assembly to stretch the clamped sample; and when the stretching device clamps the sample and is mounted in the mounting cavity, the sample is in contact with at least two electrodes in the two electrode groups. The problem that in the prior art, a comprehensive aging experiment device cannot simulate the composite aging effect of the cable in the actual operation process is solved.

The invention discloses a grounding hanging ring supplementing device and a working method, and belongs to the technical field of live installation of parallel groove clamps. Comprising a grounding hanging ring, a high-voltage line and a parallel groove clamp, the parallel groove clamp comprises an upper clamping plate and a lower clamping plate, the upper clamping plate is provided with an installation arc groove, a parallel groove bolt is installed between the upper clamping plate and the lower clamping plate, and a locking nut is installed at the bottom of the parallel groove bolt; a driving structure is mounted in the main base, and a parallel groove sleeve is mounted on the main base; the top of the insulating rod is detachably connected with the main base; the pre-clamping assembly comprises a movable plate, a fixed plate and a clamping piece, arc-shaped guide grooves are formed in the movable plate and the fixed plate, and the two sides of the upper clamping plate are located in the arc-shaped guide grooves; the pre-clamping assembly comprises a pushing mechanism which drives the upper clamping plate to slide along the arc-shaped guide groove, so that the upper clamping plate rotates relative to the angle of the lower clamping plate, and the technical problem that the angle of the upper clamping plate relative to the lower clamping plate cannot be manually adjusted in an electrified mode to facilitate insertion of a grounding hanging ring and a high-voltage line is solved.

The utility model discloses a protection frame insulation device for operation close to a high-voltage line, which comprises an auxiliary supporting plate, a locking plate is installed on the rear side of the inner wall of a fixing sleeve groove in an overturning mode, a supporting cushion block is fixedly connected to the front side of the locking plate, and a second fixing bolt is installed on one side of the inner wall of the supporting cushion block, a supporting base and the rear side of the auxiliary supporting plate in a penetrating and inserting mode. According to the protective frame insulation device for operation close to the high-voltage line, triangular supporting can be carried out through the supporting columns and the supporting ladder stand, the supporting columns can be locked through the fixed sleeve blocks, the first fixing bolts and the movable sleeve blocks in a sleeved mode, the structure is more stable, and auxiliary bottom supporting can be carried out through the fixed blocks and the supporting foot pads; and the electric pole can be wrapped and locked through a locking plate, a supporting cushion block, a second fixing bolt and a fixing sleeve groove, further auxiliary fixing is conducted, installation is more stable, the supporting columns and the supporting ladder stand are convenient to fold and store, rapid assembly and transportation are convenient, and use is convenient.

The utility model discloses a butt-joint tool for testing shielding effectiveness of a high-voltage wiring harness based on a line injection method, and relates to the technical field of butt-joint tools, the butt-joint tool comprises a base, the inner cavity wall of the base is fixedly connected with two first positive pole magnets, a friction damping rod is fixedly connected between the inner sides of the two first positive pole magnets, and a second positive pole magnet is fixedly connected between the inner sides of the two first positive pole magnets. A lower positioning plate is arranged above the base, mounting frames are fixedly connected to the two sides of the lower positioning plate, connecting plates are slidably connected to the inner cavity walls of the mounting frames, two moving seats are slidably connected to the outer side of a friction damping rod, and a second positive pole magnet is fixedly connected to one side of each moving seat; the butt joint tool for the high-voltage wire harness shielding effectiveness test based on the wire injection method is reasonable in structural design, vibration can be effectively buffered and counteracted, the coupling distance between a wire injection probe and a wire harness is prevented from shifting, the wire harnesses of different specifications can be fixed, and the butt joint tool is convenient to use and high in practicability. And the device can adapt to various wire diameter ranges.

The utility model relates to the technical field of high-voltage wire clamps, in particular to a high-torque locking tool for high-voltage wire clamp installation, which comprises a limiting plate and a fixing plate, the fixing plate is arranged at the upper end of the limiting plate, a locking mechanism is arranged on the limiting plate, a long bolt is arranged in the locking mechanism, one end of the long bolt is provided with a threaded rod, and the other end of the long bolt is provided with a nut. A threaded rod is arranged on the fixing plate, a nut is arranged on the threaded rod, a prefabricated hole is formed in the nut, a limiting pad is arranged on the threaded rod, a rotating shaft is arranged at one end of the threaded rod, a limiting rod is arranged on one side of the rotating shaft, a groove plate is arranged on one side of the rotating shaft, an adjusting mechanism is arranged on the fixing plate, and a telescopic plate is arranged in the adjusting mechanism. Limiting holes are formed in the telescopic plates, and inserting rods are arranged in the limiting holes.