209 results about "Metal debris" patented technology

The invention belongs to the technical field of image processing, and discloses a nonferrous metal target detection method and system for a scraped car. According to the method, through deep coupling of a GAN bimodal fusion network and a double-backbone network, a scraped car nonferrous metal target detection model is constructed, so that nonferrous metals in scraped cars are efficiently and accurately sorted. A bimodal fusion network is introduced into a model input layer, a fusion image with infrared thermal saliency and visible light texture features is generated, and the problem of cross-modal information splitting is solved; according to the dual-backbone network, standard convolution is replaced by a three-branch structure of an MGHCM module, large target contours, middle target semantics and small target details are synchronously captured, and self-adaptive shunting and efficient fusion of multi-scale features are achieved in cooperation with dynamic feature routing of a DHFBlock module; and the detection head network is optimized into a rotating frame prediction and cross-modal cross entropy classification mechanism so as to adapt to the placement scene of the metal fragments at any angle.

This utility model provides a motor rotor processing and grinding device, relating to the field of motor processing technology. It includes a worktable, with a placement frame mounted on its upper surface. Support rollers are movably mounted at both ends of the placement frame, and raw materials are placed between the support rollers. A support frame is mounted on the upper end of the worktable, and a grinding mechanism is mounted on the lower surface of the support frame. In this utility model, when a grinding belt grinds the raw material via a first motor driving a rotating shaft and a first transmission rod, the rotating shaft drives a rotating rod to rotate through the meshing of a first helical gear and a second helical gear. The protrusions on the rotating rod rotate accordingly, allowing the protrusions to work with a spring to achieve the reciprocating motion of the brush on the surface of the grinding belt. This effectively removes metal debris and dust adhering to the surface of the grinding belt, preventing debris accumulation from affecting the contact accuracy between the grinding belt and the raw material, and effectively preventing uneven grinding force and surface scratches caused by debris retention.

This invention relates to a cooling and lubrication device for longitudinal grooved tube rolling liners, comprising the following components: a circulating pump for circulating and supplying lubricating fluid, the circulating pump being positioned below a support frame, the outlet of the circulating pump being connected to a rotary joint fixed on the support frame via a conduit eight, the rotary joint being connected to the liner via a delivery pipe and supplying lubricating fluid into the liner; a collection tank positioned below the liner installation position in the rolling mill, for collecting lubricating fluid discharged from the steel pipe, the collection tank supplying the lubricating fluid to a purification and chip removal mechanism via a return pipe, thereby removing metal debris carried in the lubricating fluid and purifying it; and a temperature control system, which draws in the purified lubricating fluid from the purification and chip removal mechanism via a conduit six, adjusts its temperature, and then supplies it to a collection tank via a conduit seven, so that the circulating pump can supply the lubricating fluid in the collection tank to the liner. This cooling and lubrication device for longitudinal grooved tube rolling liners provides stable and reliable cooling and lubrication for the liners during the rolling process.

This invention discloses an internal spraying mechanism for aluminum billet cutting operations using a pump, comprising a roller section with four butterfly wheels, each butterfly wheel having a convex curved surface, and the convex curved surfaces of two coaxial butterfly wheels coinciding with the same spatial spherical surface; a spraying component, the four butterfly wheels being movably connected by a connecting block, the spraying component including a main rod section connected to a plurality of annularly arrayed nozzle rods, the nozzle rods being tangentially connected to a straight rod section; a water delivery rod communicating with the main rod section of the spraying component, the liquid in the water delivery rod being sprayed out from the nozzle rods of the spraying component; the main rod section of the spraying component being movably assembled with the connecting block, the spraying component having rotational freedom around its own axis; and the roller section contacting the inner wall of the axially penetrating cavity of the aluminum profile. This invention employs a probing nozzle design to spray liquid in a rotating manner into the hollow cavity of the aluminum profile, effectively removing metal debris generated during cutting, facilitating each sawing operation of the aluminum billet using the pump.

The utility model provides a novel oil pan for a tractor and an engine, and belongs to the technical field of tractors, the novel oil pan comprises an oil pan body, the bottom of the inner cavity of the oil pan body is provided with an arc-shaped oil groove, the bottom of the arc-shaped oil groove is provided with a chipping counter bore, and an oil discharge pipe is obliquely arranged in the chipping counter bore; and the oil drain plug screw is screwed into the oil drain pipe. When the engine oil is replaced, the metal and non-metal scraps in the arc-shaped oil groove can gradually enter and precipitate into the scrap counter bore, when the engine oil is replaced, the engine oil can be discharged from the oil discharging pipe to the maximum extent, the metal and non-metal scraps in the scrap counter bore can be discharged from the oil discharging pipe, oil liquid residues are reduced, and the service life of the engine oil is prolonged. And metal and nonmetal mixed chippings are prevented from being retained at the bottom of the oil pan body, and moving parts are prevented from being abraded by the residual chippings.

This invention relates to the field of valve technology and discloses a valve assembly and a high-purity gold diaphragm electrolysis device. The valve assembly includes: a recovery mechanism, comprising a liquid extraction pipe fixedly disposed at the bottom of the valve body, a collection chamber fixedly disposed at the bottom of the valve body, and a piston plate movably disposed in the collection chamber; and a drainage mechanism, comprising a squeezing plate fixedly disposed below the piston plate, a separation chamber fixedly disposed at the bottom of the collection chamber, a drainage box fixedly disposed at the center of the separation chamber, and a filter plate fixedly disposed on the drainage box. Through the recovery mechanism, metal debris deposited at the bottom of the lower chamber is recovered, and the recovery process does not require stopping the machine to disassemble the valve core, effectively improving the processing efficiency of the electrolysis equipment. At the same time, through the drainage mechanism, the squeezing plate squeezes the liquid in the drainage box, and then discharges the liquid into the valve body through the drainage pipe, thereby achieving solid-liquid separation of the liquid and metal debris, facilitating the subsequent recovery of metal debris.

This utility model discloses a processing device for three-dimensional relief pieces, belonging to the field of three-dimensional relief piece processing technology. It includes two supports, with a horizontal plate fixedly connected between the two supports. A connecting frame is provided on the outer side of the horizontal plate, and a turntable is rotatably connected to the bottom of the connecting frame. Multiple annularly distributed cleaning soft columns are fixedly connected to the bottom of the turntable. It also includes a moving component and a limiting component. The moving component drives the cleaning soft columns to repeatedly clean the surface of the three-dimensional relief piece. After the metal engraving is completed, the cleaning soft columns can quickly clean the surface of the workpiece, promptly removing metal debris generated during the processing, and preventing debris from staying on the workpiece surface for too long and forming scratches. The cleaning soft columns 7 rotate at high speed with the turntable, and their rotational motion can generate strong centrifugal force, which can more thoroughly remove the metal debris attached to the surface of the workpiece, greatly reducing the risk of scratches caused by debris residue.

This utility model relates to the technical field of grinding and polishing devices, specifically a grinding and polishing device for metal pipe processing. It includes a grinding and polishing device body with two unidirectional moving platforms. A first hydraulic rod is fixedly mounted on each unidirectional moving platform, and a connecting plate is fixedly mounted on the first hydraulic rod. A protective shell is fixedly mounted on the connecting plate. A collecting component is located on one side below the protective shell. The protective shell has a semi-circular groove and a recessed groove. Two air grooves are located on the side of the semi-circular groove closest to the recessed groove. Several cleaning brushes are located between the two air grooves. Several air supply grooves are located between the air grooves and the recessed groove. A vacuum pump and a filter plate are fixedly installed in the recessed groove. This eliminates the need for intermediate cleaning steps, shortens processing time, reduces labor costs, and effectively eliminates the risk of secondary scratches caused by metal debris during multiple grinding processes.

This utility model relates to the field of battery manufacturing equipment technology, specifically to a variable-position ultrasonic welding head for battery frames. It includes a battery processing device with multiple cylinders mounted on its top. Each cylinder has an ultrasonic welding head body mounted on its telescopic end. A motor drives a high-speed rotating roller brush, which, in conjunction with cleaning fluid sprayed from an L-shaped transmission water pipe, quickly removes metal debris, plastic burrs, and dust from the surface of the welding mold. Simultaneously, a dust extraction device generates negative pressure, which intercepts and collects impurities through a filter, preventing defects such as incomplete welding and detachment caused by impurities hindering ultrasonic energy transmission. This fundamentally improves welding quality stability, reduces the frequency of manual downtime for cleaning, and significantly lowers production interruptions and maintenance costs caused by impurities.

The utility model relates to the technical field of husked rice separation, and discloses gravity husked rice separation equipment which comprises a box body, a fixing rod is arranged at the top end of the box body in a sliding and penetrating mode, a mounting plate is arranged in the box body, a ferromagnetic plate is fixedly pasted to the top end of the mounting plate, and the fixing rod is arranged on the mounting plate in a penetrating mode through the ferromagnetic plate. According to the technical scheme, the ferromagnetic plate can be installed through the installation plate and the fixing rod, the installation height of the ferromagnetic plate can be flexibly adjusted by sliding the fixing rod up and down on the box body, and then the fixing rod is limited and fixed through the limiting rod. When the husked rice falls on the ferromagnetic plate, the husked rice slides down through the radian of the ferromagnetic plate, the husked rice makes full contact with the ferromagnetic plate, the ferromagnetic plate can adsorb metal fragments contained in the husked rice in the sliding-down process, abrasion between the metal fragments and the screen is avoided, and the maintenance cost is reduced.

The application provides an oil seal and a vehicle transmission part, and the oil seal comprises an annular oil seal body, a recess is formed on the inner side of the oil seal body, and a control valve is communicated to the inner end face of the oil seal body; the control valve opens the oil discharge channel when the oil gravity in the recess is greater than a set threshold, and closes the oil discharge channel when the oil gravity is less than the set threshold. The oil seal can discharge the metal debris deposited in the recess, prevent the metal debris from scratching the oil seal body, improve the sealing effect of the oil seal, and reduce the risk of oil leakage.

The invention belongs to the technical field of petroleum and natural gas resource development, and particularly relates to an expansion metal abandoned layer isolation tool. The device comprises a central pipe, an open hole anchoring sealing assembly, a valve hoop and a feeding separation assembly. The open hole anchoring sealing assembly comprises an expansion metal anchoring sealing shell. A sealing cavity is formed between the expansion metal anchoring sealing shell and the central pipe; the upper end and the lower end of the expansion metal anchoring sealing shell are each sleeved with a set of expandable barrel type slips, and the center pipe is sleeved with the expandable barrel type slips. Through type slits are evenly distributed in the expandable barrel type slip. The valve hoop sleeves the central pipe and is in threaded connection with the central pipe; the valve hoop is provided with a channel which is communicated with the central pipe and is communicated with a sealing cavity between the central pipes of the expansion metal anchoring sealing shell; the expansion metal abandoned layer isolation tool is made of metal. The soft metal framework is expanded through hydraulic driving, meanwhile, other anchoring and sealing assemblies installed on the soft metal framework are linked to be expanded together to be attached to the stratum, and the anchoring and sealing functions are achieved.

This utility model provides a forward reciprocating transmission structure, relating to the field of precision machinery technology. The forward reciprocating transmission structure includes a structural body and an anti-detachment structure. By setting the anti-detachment structure, the transmission rod is limitedly connected to the lateral rod via a connecting member. The connecting member prevents the lateral rod from detaching from the transmission rod during movement, making the movement of the transmission rod and the lateral rod more stable and reducing the probability of jamming, slippage, and deviation during movement. Simultaneously, the second end of the lateral rod is rolled into a groove of the connecting member. The second end of the lateral rod and the groove experience rolling friction, which prevents the generation of metal debris during movement, reducing the generation of metal debris, avoiding contamination of the instrument's internal environment, and making the movement process more stable and reliable.

This invention relates to the field of stainless steel pipe technology, specifically to a device for synchronously grinding the inner and outer walls of stainless steel pipes. The device includes a grinding frame with a grinding mechanism fixedly connected to its rear side. By incorporating the grinding frame and grinding mechanism, this invention achieves convenient adaptive fixing and synchronous continuous grinding of the inner and outer walls of stainless steel pipes of different diameters. Compared to traditional segmented and step-by-step grinding, this significantly simplifies the process and effectively improves the overall efficiency of stainless steel pipe grinding. The retractable fan-shaped limiting structure allows for center-to-center fixing of stainless steel pipes of different diameters, preventing displacement during grinding and significantly improving the precision and quality of the finished product. Furthermore, this invention can simultaneously adsorb and collect metal debris generated during grinding, preventing debris from splashing and contaminating the processing environment, reducing the potential health hazards of debris to operators, and decreasing the workload and frequency of post-grinding equipment cleaning and maintenance.

The quenching anti-corrosion device comprises a bottom plate, the top of the bottom plate is fixedly connected with an installation plate, an electric telescopic rod is fixedly installed on the outer side of the installation plate through bolts, the output end of the electric telescopic rod is fixedly connected with a push plate, and the push plate is fixedly connected with a motor. An anti-corrosion groove is fixedly connected to the middle end of the bottom of the bottom plate, a collecting box is fixedly connected to the bottom of the bottom plate through bolts, and a drawing filter screen is clamped in an inner cavity of the collecting box. The push plate is driven by the electric telescopic rod to move, metal scraps can be pushed away to the top of the flow guide filter plate by moving of the push plate, preservative liquid in the metal scraps is filtered through the flow guide filter plate, and the falling preservative liquid is filtered again by pulling the filter screen. And the metal chippings can remain at the top of the drawing filter screen, the energy recovery efficiency is improved, and the metal chippings are prevented from affecting normal use of preservative liquid in the anti-corrosion device.

The invention discloses a low-temperature high-pressure homogenizer, and particularly relates to the technical field of homogenizers, the low-temperature high-pressure homogenizer comprises an operation table, a high-pressure homogenizer, a homogenizing valve and a material, a protection mechanism for protecting two sides of the homogenizing valve is arranged on the surface of the operation table, and through the protection mechanism and an adjusting mechanism, when the homogenizing valve is blocked and overpressure is caused, the homogenizing valve is not blocked, and the material is discharged. A sliding block drives a protective sleeve to move forwards, a rack drives a gear to rotate, a connecting rod can be driven by the gear to rotate, so that a protective plate is rotated out of the protective sleeve, the protective plate is rapidly closed along with the continuous forward movement of the protective sleeve, then the front end of the protective sleeve is covered, an electric push rod is started, one end of the electric push rod is moved out, and the protective sleeve is fixed. The protective cover is formed by the protective sleeve and the protective plate, so that the homogenizing valve is covered, and the situation that under the extreme condition, the homogenizing valve is possibly blocked, overpressure is caused, high-pressure materials or metal fragments are ejected out, and personal injuries are caused to nearby operators is avoided.

The invention discloses a polymer coating and a collector plate, and belongs to the technical field of batteries, the polymer coating comprises a polymer material and an inert filler; the average pore size of the polymer coating is 0.1-10 [mu] m, and the porosity of the polymer coating is 50-85%. The polymer coating has good mechanical performance, high temperature resistance and chemical stability, can be kept stable in the working temperature range of the secondary battery, cannot react with electrolyte and can be used as an effective physical barrier, the pore size of the polymer coating can effectively prevent metal scraps generated in the welding process of the collector plate from passing through, and the service life of the collector plate is prolonged. Meanwhile, electrolyte is allowed to pass through, the polymer coating has certain flexibility and mechanical strength, mechanical stress in the welding process can be borne, damage in the welding or subsequent assembling process and the charging and discharging process is avoided, the capacity grading K value and ACR of the secondary battery can be effectively reduced, and the storage stability of the secondary battery is improved.

The application belongs to the technical field of lithium battery manufacturing, and discloses a full-tab cylindrical lithium battery tab rubbing device, which comprises a lithium battery. The rubbing assembly and the motor are cooperated to guide the outward movement of the steel balls due to the centrifugal tendency generated by the rotation of the protective box, and finally all the steel balls roll on the side of the rubber pad. The metal column on the metal plate is pulled by the nylon rope to resist the side of the rubber pad. The noise generated by the rolling of the steel balls is weakened by the rubber pad. The side part of the protective box is located in the rubber pad. The pressure applied by the steel balls is uniformly transmitted to the rubber pad through the hard material on the side of the protective box. The part of the steel balls that cannot apply pressure is replaced by the metal column on the metal plate. At the same time, the rolling process of the steel balls avoids causing grooves on the tab end. The rotating part of the protective box does not directly resist the tab end through the separation of the rubber pad, thereby avoiding hard contact and causing the falling metal debris on the tab due to friction.

This utility model relates to the field of CNC machining technology, and in particular to a CNC suction base, including a lower base, with an upper base connected to the top of the lower base. Guide grooves are provided at the lower front and rear ends of the upper base. A limiting slider is slidably connected to the inner side of the guide groove. A rotating rod is rotatably connected to the limiting slider on a short shaft away from the depth of the guide groove. In this utility model, the rotating rod, suction flap, suction interface, first magnetic strip, suction square opening, limiting slider, guide groove, and second magnetic strip facilitate the use of this CNC suction base after it is assembled into a CNC machining center. For metal debris remaining on the top surface of the upper base, a dedicated vacuum cleaner can be connected through the suction interface. The movable auxiliary cleaning structure, in conjunction with the vacuum cleaner, replaces the conventional direct manual operation of the dedicated vacuum cleaner for cleaning metal debris, making the entire cleaning operation more convenient and efficient, and minimizing blind spots during operation.

The utility model discloses an ecological environment-friendly soil remediation device which comprises a movable frame, a smashing mechanism is arranged on the top of the movable frame, an adjusting conveying structure is arranged on the front side of the top of the movable frame, and a screening structure is arranged on the rear side of the top of the movable frame. In the soil taking process of the environment-friendly ecological restoration equipment for the soil, the soil can smoothly enter the conveying belt through the bucket, the problem that the soil is detained on the soil shoveling plate is effectively avoided, the continuous soil taking capacity of the equipment is guaranteed, meanwhile, the conveying speed and angle of the equipment can be adjusted according to actual requirements, and the conveying efficiency of the equipment is improved. The soil remediation device is simple in structure and convenient to operate under different terrains and soil conditions, metal impurities in soil can be efficiently screened by arranging the screening structure, potential damage of metal objects to the soil quality is avoided, damage of metal fragments to the device is prevented, and therefore the quality and efficiency of soil remediation work are improved.

The utility model discloses an acetic ester solvent recycling system, relates to the field of acetic ester solvent recycling, and aims to solve the technical problems that in the prior art, an existing acetic ester solvent is generally recycled by a distillation tower after being used, but a filtering mechanism is not arranged at the front end of the existing distillation tower, so that the cost is low. The problem that the internal structure of the distillation tower is damaged by residual metal scraps in the solvent is solved. A plurality of supporting rods are arranged at the upper end of the interior of the filtering device at equal intervals in an array mode, an electromagnetic iron rod is arranged at the upper end of each supporting rod, bevel guide plates are fixedly connected to the front end and the rear end of the lower end of the interior of the filtering device, and the lower ends of the two bevel guide plates are jointly and fixedly connected with a semicircular filtering net; by arranging the electromagnetic iron rod, the semicircular filter screen and the conical filter screen, separation of metal impurities in a solvent is achieved, and the problem that equipment is damaged by metal scraps due to the fact that the front end of a traditional distillation tower is free of magnetic filtration is solved.

This utility model relates to the field of milling cutter manufacturing technology, and in particular to a grooving device for milling cutter production, comprising: a worktable, the top of which is provided with a placement slot, a rotary motor installed inside the placement slot, the drive end of the rotary motor being connected to the bottom of a rotating disk, multiple fixed cylinders installed on the circumferential side of the rotating disk, a liftable grooving device installed above the worktable, a collection slot below the grooving device, and a rectangular protective frame above the collection slot. The side of the protective frame is connected to an electric slide rail via a slider. The electric slide rail drives the protective frame to move downward, enclosing the area outside the collection slot. The protective frame effectively prevents a large amount of metal debris from splashing during the grooving process, which could injure the operator. The collection slot collects the metal debris generated during processing and allows for secondary recycling through a recycling hole, reducing resource consumption.

This utility model discloses a parallel shaft reducer, belonging to the technical field of reducer technology. The parallel shaft reducer includes: a gear set, a lower housing, and a magnetic suction assembly. The gear set reduces speed and amplifies torque. The lower housing is used to hold lubricating oil, and an oil pan is provided at the bottom of the lower housing. The magnetic suction assembly is located on top of the oil pan and includes a fixing plate with equally spaced storage slots at its outer end. The oil pan is detachably installed at the bottom of the lower housing via a quick-connect assembly and a connecting assembly. The magnetic suction assembly is installed on the oil pan. The lubricating oil contained inside the lower housing is located above the magnetic suction assembly. Metal debris generated by the wear of the gear set mixes into the lubricating oil. The magnetic rod then concentrates the debris in the storage slots through magnetic force and the weight of the debris itself, reducing subsequent contact between the debris and the gear set, thereby reducing wear during operation and increasing its service life.

The utility model relates to the technical field of metal casting machining, in particular to a grinding device for a metal casting sprue, which comprises a bottom frame and a transverse plate, the upper end of the bottom frame is fixedly connected with the transverse plate through a bolt, the inner wall of the transverse plate is slidably connected with a sliding seat, and the lower end of the sliding seat is fixedly connected with a first electric telescopic rod. The output end of the first electric telescopic rod is fixedly connected with the protection box, and the outer wall of the right end of the bottom frame is connected with a fixing mechanism. A servo motor drives a grinding disc to rotate to grind a pouring gate of a metal casting, a spray head on a protection box can intercept chippings and reduce the surface temperature, and water and metal chippings are blocked by the protection box, fall into a collection box, are guided by a slope in the collection box to move into a groove and are finally discharged outwards from a discharge pipe. And the metal scraps can be directly discharged outwards, so that the cleaning is simpler.

1. The name of the design product: anti-splashing punch. 2. The use of the design product: the design is an anti-splashing punch used in railway maintenance work, which effectively prevents metal fragments from splashing and injuring people when workers use a hammer to strike the punch. 3. The design points of the design product: in the perspective view. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a working fluid recovery device for a machine tool, which comprises a base, the base is provided with a mounting groove and a flow channel, the edge of the mounting groove is provided with a water outlet, the first end of the flow channel is connected to the water outlet, and the second end of the flow channel is connected to a working fluid recovery system; the magnetic suction plate is mounted in the mounting groove; and the plurality of filter cotton blocks are arranged in the flow channel. Wherein the working fluid carrying impurities drops to the magnetic suction plate, the magnetic suction plate adsorbs metal scraps in the working fluid, and the working fluid can flow into the flow channel from the water outlet of the mounting groove and is filtered by the filter cotton blocks. Metal chippings in working liquid can be adsorbed through the magnetic suction plate, so that the situation that the service life of a filtering system is shortened due to blockage of the filtering system is avoided; and a plurality of filter cotton blocks are arranged in the flow channel, so that the working solution can be subjected to multi-stage filtration, impurities are reduced when the working solution enters a recovery system, and the service life of the working solution is prolonged. The utility model relates to the technical field of machine tools.

The utility model relates to a screw plug extractor, and belongs to the technical field of spine surgery. The tool is mainly used for solving the safety problems that a wrench fails due to deformation of a hexagonal hole or a plum blossom hole of a screw plug in a spinal operation, and metal fragments are generated due to the fact that a U-shaped nail arm needs to be damaged in a traditional taking-out method. According to the technical scheme, the tool is characterized by comprising a left clamping jaw, a right clamping jaw, a left linking arm, a right linking arm, a left handle, a right handle and screws; trapezoidal clamping grooves are formed in the heads of the clamping jaws, the size of the minimum ends of the clamping grooves is slightly smaller than that of U-shaped openings of the U-shaped nails, and R-shaped arc grooves are formed in the middles of the clamping grooves and used for clamping orthopedic rods; the handle adopts the extension arm design, and the operating force is reduced through the lever principle. During operation, the handle is folded to enable the clamping groove to be clamped into the U-shaped opening, the U-shaped opening is gradually expanded by about 0.5 mm, the screw plug is separated from the spine nail, and therefore the screw plug is taken out without damage. The tool is compact in structure and easy and convenient to operate, metal fragments can be effectively prevented from being generated, and the operation safety and efficiency are improved.

The invention provides a grounding box non-contact voltage sensor remote diagnosis method, which comprises the steps of obtaining an input and output response curve change trend of a voltage sensor under different voltage levels of a grounding box, determining whether a preliminary abnormal signal exists or not, and obtaining an abnormal preliminary determination result; an electrostatic force gathering parameter is extracted from the metal debris distribution characteristics, a metal debris accumulation path is mapped, the metal debris accumulation path and the input and output response curve change trend of the real-time voltage sensor are subjected to superposition processing, and an electric field abnormity source is determined; and based on an electric field abnormal source, fusing the metal debris accumulation influence degree and the metal debris distribution characteristics to generate a grounding box non-contact voltage sensor remote diagnosis report, sending the remote diagnosis report to a diagnosis system, and obtaining an updated voltage sensor calibration reference.

The application provides a vacuum adsorption type screw tightening device, which is used for relative staticity, no sliding friction between a sealing ring and other components of equipment, long-term work, and the sealing ring cannot be damaged due to abrasion, and the vacuum adsorption type screw tightening device cannot be unable to suck up the screw due to sealing failure. In addition, only the lower end of the tightening unit and the screw gun rod rotate, and the rotating part does not contact other parts of the screw tightening device and has no friction, so that the process torque monitoring of the screw tightening of the equipment is not disturbed by other factors, and the accuracy of the process torque value of the screw tightening obtained by monitoring is very high. When the device starts to tighten the screw, the screw is separated from the screw vacuum suction pipe, there is no active friction between the nut and the screw vacuum suction pipe, metal debris does not pollute the product, and the process torque monitoring of the screw tightening of the equipment is not affected. Therefore, the service life of the device provided by the application will be much higher than that of the relative existing tightening device.

The application belongs to the field of metal enclosed gas insulated transmission line, and particularly relates to a post insulator assembly, a GIL and a GIL assembly. The GIL assembly comprises a GIL and a clamping piece. The GIL comprises a shell and the post insulator assembly, and a particle trap. The post insulator assembly comprises a post insulator and a metal insert embedded in the post end of the post insulator. The metal insert is elastically floating and guided with a guide block. A grounding electrode is guided and installed on the guide block in a direction perpendicular to the axis of the post insulator. A clamping groove is formed on the side surface of the guide block and communicates with the grounding electrode mounting hole. When the post insulator assembly is installed into the shell of the GIL, the clamping piece is inserted into the clamping groove to clamp the grounding electrode in the grounding electrode mounting hole. After the post insulator assembly is installed in place, the clamping piece is pulled out to prevent the grounding electrode from rubbing against the shell and generating metal debris when the post insulator assembly is installed into the shell.