98results about How to "Reduce damage rate" patented technology

The utility model discloses a heavy load stability type convenient logistics tray, including tray body, the both sides of tray body top are all seted up U type installation slot, be equipped with U type protection pole in the U type installation slot, the both sides end of U type protection pole all are seted up cavity, be equipped with movable plate in the cavity, the movable plate is close to the middle part of one side of apron and is equipped with the locating block, is seted up the through -hole of matching with locating block on the apron, the tray body is located U type protection pole side wall and is seted up the locating slot of matching with locating block, the movable plate is away from locating block one side and is fixedly connected through spring and the cavity side wall, the both sides of U type installation slot end all are equipped with fixed plate, be equipped with the locating hole of matching with locating block on the fixed plate. This kind of logistics tray support intensity is big, and the protection effect is good, can effectively avoid goods from the side drop, effectively reduced the probability of goods damage.

The utility model provides a stainless steel olefin alloy ground wire lightning protection structure. The stainless steel olefin alloy ground wire lightning protection structure includes: alloy ground wire, two fixed rings, two fixed rings are installed in the both ends of alloy ground wire respectively, two fixed rings are opposite one end all fixedly connected with olefin alloy head, two olefin alloy heads another end all are equipped with the connecting assembly, two fixed rings adjacent one end all are fixedly connected with the butt joint ring, first insulating layer, first insulating layer is located in the inner surface of alloy ground wire, the alloy ground wire is from inside to outside in proper order for first stainless steel layer, multiple olefin alloy wire, filling layer, second stainless steel layer, flame -retardant layer, buffer layer and second insulating layer. The utility model provides a stainless steel olefin alloy ground wire lightning protection structure, through this design has increased the lightning protection performance of stainless steel olefin alloy ground wire, has reduced the probability that the stainless steel olefin alloy ground wire is hit by lightning and is damaged.

The utility model discloses a kind of feeding and discharging devices for sorting, it is related to sorting equipment field, including base, base top is provided with roll lever conveyor and roll lever sorting machine, the feed end of roll lever conveyor is provided with feeding hopper, feeding hopper is fixed in base top, chute is opened on the two side walls of feeding hopper, feeding hopper is provided with poking mechanism inside, poking mechanism includes two mounting seats, mounting seat is slidably connected in chute, rotatingly connected with poking shaft between two mounting seats, poking plate is fixedly connected on poking shaft, the mounting seat of one side is fixedly connected with motor, the output end of motor is fixedly connected with poking shaft. Advantageous effect lies in: the rotation of poking plate is utilized when feeding, so that apple can only be moved to roll lever conveyor in single layer form, avoid apple stacking on roll lever conveyor, so as to avoid apple rolling and produce knock, reduce the damage rate of apple.

This utility model discloses an injection mold for manufacturing control panel housings, relating to the field of control panel housing manufacturing technology. The utility model includes a mounting frame providing installation and stable support for the device, a vibration mechanism housed within the mounting frame, and a demolding mechanism for vibrating the mold during injection molding. Specifically, the vibration mechanism involves a motor driving the front rotating shaft to rotate, while a pulley system simultaneously drives the rear rotating shaft to rotate synchronously. Two impact wheels jointly strike the bottom of the lower mold, causing it to vibrate. During vibration, the lower mold, through the mounting plate, compresses the damping rod and spring, which work together to buffer the vibration and reduce violent shaking. This vibration mechanism reduces the viscosity of the molten plastic, promotes uniform filling of the cavity, assists demolding, simplifies the mold structure, and reduces cost and maintenance difficulty.

The utility model discloses a fixing clamp for silicon carbide crystal ingot plane grinding machining, and relates to the technical field of silicon carbide crystal machining. Comprising a supporting mechanism, a rotary adjusting mechanism and a plurality of clamping mechanisms. The supporting mechanism is used for supporting and positioning the silicon carbide crystal ingot, the rotary adjusting mechanism and the clamping mechanism; the rotary adjusting mechanism comprises a rotary table, an adjusting rod and a locking arm; the clamping mechanism comprises a self-adaptive adjusting clamping jaw, the clamping jaw is connected with a first linear bearing, the bottom of the first linear bearing is connected with a rubber-coated bearing, and the rubber-coated bearing is used for converting the rotating motion of the turntable into the linear motion of the clamping mechanism on the first guide shaft; according to the utility model, the relative distance of the clamping jaws is adjusted to adapt to different crystal ingot diameters, and meanwhile, the clamping jaws have the compression force of the springs, so that the crystal ingot can be clamped more firmly, the processing safety is improved, and the product damage rate is reduced.

The utility model provides a kind of push plate feeding mobile machine with feeding limiting structure, including feeding hopper, the bottom surface of the feeding hopper is fixedly connected with support seat, the side surface of the support seat is fixedly connected with support block, the upper surface of the support block is fixedly installed with electric cylinder, the telescopic end of the electric cylinder is fixedly installed with push plate assembly, the outer surface of the feeding hopper is fixedly connected with two limit slides, involve push plate feeding mobile machine field.The utility model is through the cooperation of limit slide and limit slide, limit switch, when push plate assembly reaches preset position, limit slide triggers limit switch, controller immediately controls electric cylinder to stop, ensure that material can be accurately pushed to feeding station each time, in addition to the feeding confusion problem that easily appears when multiple material stacks, the first flow baffle and second flow baffle of the structure can guide material to move stably upwards in pushing process, ensure the accuracy of feeding sequence.

A kind of high-precision four-column sensor, it is related to weighing sensor technical field, a kind of high-precision four-column sensor, from top to bottom include pressure head, steel ball, upper weighing seat, elastomer, lower weighing seat and bottom plate in order, steel ball is located between pressure head and upper weighing seat, and the contact surface of pressure head and upper weighing seat with steel ball is concave cambered surface, elastomer is located between upper weighing seat and lower weighing seat, elastomer is integrally machined with upper weighing seat and lower weighing seat, elastomer quantity is four and is evenly distributed in 2*2 matrix, strain gauge is pasted on elastomer, recess is provided on the top surface of lower weighing seat, recess is located between four elastomers, digital module is provided in recess, and signal line is provided on the side of lower weighing seat.The sensor of the utility model is integrally machined with the whole structure, without any assembly gap, precision is guaranteed by processing, the whole structure has no stress weak point, and the rigidity significantly improves sensor service life.

The utility model discloses a stamping processing waste material cleaning collection device relates to stamping waste material collection technical field, including punch press platform, the punch press platform lateral wall bottom symmetry is equipped with limiting bolt, the punch press platform bottom and sliding connection in limiting bolt outer wall is equipped with the wheel removal outer box, the wheel removal outer box inner wall sliding connection has the material receiving inner box, the material receiving inner box bottom is equipped with the material discharge opening, the material discharge opening inner wall sliding connection has the opening cover, one end lateral wall of opening cover is equipped with the inclined slide, the inclined slide top is equipped with the side baffle, one end symmetry of opening cover top is equipped with the connecting column, the other end lateral wall of opening cover is equipped with the limiting connecting plate symmetry. The utility model discloses in combination linear sliding and rotation design, further increase convenient material discharge design, so that the device when using, and the user can effectively discharge and clean the waste material in the box.

This invention discloses a welding device for processing electricity metering boxes, belonging to the field of welding equipment technology. It includes a welding main body, with a pressing control component installed at the end of the welding main body. The pressing control component is used to elastically press down on the back plate of the electricity metering box. A weld point positioning component is installed at the bottom of the pressing control component. The weld point positioning component is used to control the position of the weld point. A tungsten needle lifting component is installed on the weld point positioning component. The tungsten needle lifting component is used to vertically lift the tungsten needle. The use of the weld point positioning component in conjunction with the pressing control component facilitates the worker's spot welding positioning while holding the welding torch body, ensuring the back plate is pressed tightly against the electricity metering box frame, maintaining contact between the welding base material, and simultaneously ensuring the accurate position of the tungsten needle on the welding torch body, eliminating the need for the worker to visually observe the tungsten needle position. This solves the problems of current electricity metering box welding devices being inconvenient for assisting in positioning the weld point and for automatically detecting loose tungsten needle clamping.

This utility model relates to the field of automotive seat technology, specifically a seat back adjustment mechanism and seat, including a button assembly with a pressing end protruding from the armrest; an unlocking mechanism including an unlocking end and a driving end arranged opposite each other; a linkage assembly, the first end of which is fixedly connected to the connecting end of the button assembly, and the second end of which is fixedly connected to the driving end of the unlocking mechanism; and a gas spring assembly, the fixed end of which is connected to the unlocking end of the unlocking mechanism, and the rotating end of which can be rotatably connected to the seat back. Under the drive of the button assembly, the linkage assembly can pull the unlocking mechanism to rotate relative to the armrest, and the unlocking mechanism can drive the gas spring assembly to move along the axis of the gas spring assembly. Under the action of external force, the seat back can rotate relative to the armrest. This utility model can optimize the overall structural dimensions, improve the aesthetics of the seat, reduce the damage rate and maintenance cost of the button assembly, and improve the reliability of the seat back adjustment mechanism.

The utility model discloses the mould frame tool that can realize flexible positioning relates to mould frame tool technical field, including lower mould frame, the top four corners of lower mould frame is opened and has the positioning hole, the inner chamber bottom of positioning hole is fixedly connected with the bottom plate, and the buffer mechanism includes the damping cylinder, the damping cylinder fixedly connected at the top of bottom plate, the top of damping cylinder is bonded and has the sealing rubber ring, the inner chamber of damping cylinder is filled with damping oil liquid, the top of damping cylinder is inserted and has the pressure bar, the bottom of pressure bar penetrates damping cylinder and extends to the inner chamber of damping cylinder, this mould frame tool that can realize flexible positioning, the structure design is reasonable, and the interval between upper mould frame and lower mould frame can be adjusted fast and conveniently, thereby can fix the mould of different size, and the scope of application is wide, reduces the mould between upper mould frame and lower mould frame and is subjected to the pressure too big and leads to the mould damage, increases the service life of mould.

The utility model discloses a kind of heat exchange plates, including heat exchange plate main body, the heat exchange plate main body is at least partially arranged between the first side of two adjacent battery monomers, the first side is the large face of the battery monomer;The part of the heat exchange plate between the first side is provided with cavity structure, multiple support portions are spaced apart along the height direction of the heat exchange plate, and accommodating cavity is formed between adjacent two support portions, the wall thickness of the accommodating cavity one side is L1, the width of the accommodating cavity is L2, the range of L1 / L2 is 0.1-1.The heat exchange plate of the utility model can not only meet the strength needs of heat exchange plate, but also improve the deformation capacity of heat exchange plate, so that the deformation capacity of heat exchange plate is better, and the damage probability when battery monomer expands is reduced.The utility model further discloses a kind of battery pack.

The application provides a wafer degumming cleaning machine, and belongs to the technical field of wafer degumming cleaning, and solves the problem that wafer slicing feeding is prone to damage in the prior art. The wafer degumming cleaning machine comprises a degumming device, a slicing feeding device and a cleaning device. The slicing feeding device comprises a tank, a conveying assembly and a material lifting assembly. The tank is internally provided with a feeding area. The conveying assembly comprises a first driving mechanism, which is arranged on the tank and is used to drive a material frame to move in the feeding area. The material lifting assembly is arranged on a path through which the first driving mechanism drives the material frame to move, and is used to lift wafers in the material frame one by one. The cleaning device comprises a cleaning tank, which is arranged on one side of the material lifting assembly and is used to receive and clean the wafers. In the application, the lifting surface of the first lifting piece is inclined upward to gradually lift and separate the wafers. After the wafers are lifted to a predetermined height, the wafers can be taken away one by one by an external mechanism or manually, so that the damage rate of wafer slicing feeding is finally reduced.

This invention discloses a pickled mustard tuber harvester and harvesting method, belonging to the field of agricultural machinery technology. The harvester includes a frame, a walking mechanism, a leaf removal and root cutting mechanism, a tuber head sweeping and separating mechanism, a battery, and a control box. The leaf removal and root cutting mechanism includes a mounting frame, a rotary drive, a rotary cutter disc, and a root cutting blade assembly; the rotary cutter disc has blades and arrayed flexible striking elements; the root cutting blade is suspended behind the rotary cutter disc via a flexible connector. The tuber head sweeping and separating mechanism includes a roller with a sweeping rod, a drum with flexible striking elements, and a bottom screen plate. During operation, the rotary cutter disc first removes most of the stems and leaves, the flexible striking elements beat away the remaining stems and leaves, and the root cutting blade drags and cuts the roots; the sweeping rod sweeps the tuber heads into the drum, and the flexible striking elements tumble the tuber heads to separate the stems, leaves, and soil before outputting them. This invention achieves integrated operation of leaf removal, root cutting, collection, and cleaning; leaf removal is thorough without damaging the tuber heads; root cutting adapts to the ground surface; the structure is simple and reliable; and it improves the efficiency and quality of pickled mustard tuber harvesting.

This utility model discloses a library lending cart, including a frame and a cart bed fixedly connected inside the frame. A transmission rod is movably connected to the inside of the cart bed via bearings. A support plate is fixedly connected to the surface of the transmission rod, and a connector is fixedly connected to the top of the support plate. Books are inserted into the inner side of the connector. The support plate can tilt and swing the connector around the transmission rod as an axis. A transmission structure is provided on the left side of the frame, which can control the rotation of a shaft. The transmission structure includes a pedal movably connected to the left side of the frame via a pin. This utility model avoids page compression and bending caused by traditional stacking by using a vertical connector to insert books, reducing the damage rate. The tilting and swinging design arranges books in a stepped pattern, with exposed spine labels, facilitating quick identification of type and quantity by administrators. Furthermore, the linkage mechanism between the transmission rod and the support plate allows for flexible switching between book storage and display states.

This invention provides a low-bud-damage sugarcane peeling machine to solve the technical problems of high bud damage and sugarcane stem damage caused by traditional centrifugal peeling machines during the peeling process. The sugarcane peeling machine of this invention includes a frame and, sequentially arranged along the sugarcane conveying direction, a leaf-crushing pretreatment component, a conveying component, an input roller, a tension-type peeling component, and an output roller. Support rollers on the frame provide fixed support for each component. A fan is installed above the peeling roller of the tension-type peeling component. The leaf-crushing elements of the leaf-crushing pretreatment component flexibly strike the sugarcane seed, leaves, and sheaths, causing them to fall. After being conveyed by upper and lower conveyor belts, they are fed into the peeling area by the input roller. The airflow from the fan blows the sugarcane leaves into the working area of ​​the peeling roller. The peeling elements on the surface of the peeling roller are spirally arranged, and the leaves are peeled off through tension. Finally, the sugarcane seed is discharged by the output roller. This invention achieves low sugarcane stem damage and bud-damage rates, controls the sugarcane seed impurity rate to below 3%, and has high peeling efficiency and a compact structure, making it suitable for large-scale sugarcane peeling.

This invention discloses a preparation process for paper boxes used for food preservation and the resulting food preservation paper box, belonging to the field of packaging product technology. This invention constructs a dynamic covalent bond gradient interface and forms a strong anchoring-weak cohesive gradient structure by regulating the binding energy between fibers and functional layers, achieving a low fiber damage rate after multiple paper box cycles. A functional adaptation layer is simultaneously applied at the outlet of the paper machine's drying section, utilizing the water layer adsorbed on the fiber surface to achieve synergistic anchoring of interpenetrating network physical entanglement and chemical grafting. The core paper is micro-injected using hot press rollers, with molten chitosan-PEG graft material encapsulating softened PLA particles at 130°C, rapidly forming a mechanical interlocking structure within 2 seconds. Multi-scale synergistic slow release is achieved through spatial separation of modular slow-release tablets and electrostatically flocked citric acid. When humidity is triggered, water acts as a proton conductor at the interface, avoiding pre-reaction. Diatomaceous earth channels adsorb some NaClO2, forming a secondary release reservoir and extending the peak release time.

The application discloses a flexible capillary hydrogen storage device and a manufacturing method thereof, and is characterized in that device components include a framework, a flexible hydrogen storage capillary and a high-pressure-resistant metal connecting piece; wherein both ends of the flexible hydrogen storage capillary are in an open state. The device manufacturing steps include: flexible hydrogen storage capillary single-pipe drawing, flexible hydrogen storage capillary arrangement and flexible hydrogen storage capillary end sealing. Compared with the prior art, the application can realize higher hydrogen storage pressure and higher mass hydrogen storage density, and the device has the advantages of flexible structure, higher safety, no hydrogen embrittlement and the like.

The embodiment of the application relates to the technical field of fruit and vegetable sorting, and particularly relates to a box assembly, a vertical boxing machine and a fruit and vegetable sorting device. The box assembly comprises a box structure and a door body. The bottom of the box structure is provided with an opening and an inclined part, and the bottom of the box structure comprises opposite first and second sides, and the inclined part is arranged in an inclined extension manner from the inner wall of the second side to the center of the opening. The door body can move laterally relative to the box structure along the opening to open or close the opening, and the door body comprises a first edge part, which is located at the second side of the box structure when the door body opens the opening, and is located at the first side of the box structure when the door body closes the opening. Wherein, the lower edge of the inclined part is closer to the center of the opening than the first edge part when the door body opens the opening. According to the application, the inclined part is arranged on one side of the opening in the bottom of the box structure, and cooperates with the opening position of the door body, so that the fruit and vegetable unloaded from the second side can smoothly slide along the inclined part, and the fruit and vegetable is loaded into the fruit and vegetable container without obstruction.

This utility model discloses a reducer device for emulsion drilling rigs, including a first mounting shell, a second mounting shell disposed on the first mounting shell, and fixing bolts disposed between the first and second mounting shells. It enables rapid fixing and disassembly of the reducer body without disassembling numerous related components, significantly simplifying the replacement process, shortening downtime, and reducing the impact on construction progress. In terms of maintenance, the ease of assembly and disassembly reduces reliance on confined operating spaces and the risk of secondary damage due to improper operation. Regarding costs, it reduces labor hours and labor costs; reduces wear and tear on surrounding components from repeated disassembly, lowering the probability of unplanned replacements; and eliminates the need to stock complete units, reducing inventory costs. Furthermore, the flexible fixing method facilitates adaptation to equipment upgrade needs without requiring modification or replacement of the entire machine, further reducing costs, making it particularly suitable for scenarios such as underground mining.

This application relates to the field of semiconductor device technology, specifically providing a press-fit power device aimed at solving the problem of improving the heat dissipation performance of press-fit power devices. To this end, the press-fit power device of this application includes a housing; multiple sub-modules disposed within the housing; and multiple positioning frames disposed within the housing and corresponding one-to-one with each sub-module, with each sub-module located within a positioning frame; wherein the positioning frames are made of a solid-liquid phase change material, and the inner surface of the positioning frames is attached to the sub-modules. This application integrates positioning frames made of phase change material inside the power device, thereby improving the heat dissipation performance of the device without altering the structural composition of the internal functional components.

This utility model discloses a sealing structure for a glove box and a transition chamber, relating to the field of glove box technology. It includes a transition chamber with openings at both ends. A placement cylinder with openings on its sides is rotatably installed inside the transition chamber. Strip-shaped openings are provided on both sides of the transition chamber near its ends, and a matching baffle is slidably installed within each of the two strip-shaped openings. A driving mechanism is also provided on the transition chamber. This driving mechanism can not only control the baffles to close the transition chamber, but also control the rotation of the placement cylinder to rotate the workpiece to the glove box port. Thus, sealing and rotation operations can be completed using a single electrical component, reducing the amount of electrical components used, lowering the device's damage rate, increasing its service life, and reducing maintenance frequency. Simultaneously, the structure is simple and the manufacturing cost is low. Furthermore, after the workpiece is placed in the placement cylinder, a vacuum nozzle combined with a vacuum pump is used to remove dust from the workpiece surface, preventing dust on the workpiece surface from being sucked in by the air source and causing damage.

This invention provides a method for protecting operating system partitions based on a single solid-state drive (SSD) and relates to the field of storage protection technology. This invention utilizes a manufacturer-specific hard drive management system (DMS) tool to send operating system partition number commands from the system to the SSD firmware. The command transmission method is a software protocol, including custom commands for USB / SATA interface / NVMe protocols and handshake methods with the SSD controller. Before leaving the factory, the SSD is a single disk, just like a regular SSD. The user customizes the SSD partitions, installs the operating system, and copies the manufacturer's SSD management tool to the system disk. The user checks the SSD's operating system partition number and executes a command to send the partition number to the SSD firmware via the manufacturer's DMS tool. The user then installs necessary drivers or applications on the operating system partition and shuts down the system. After n consecutive power cycles, if the SSD detects that it has been powered on n times within a certain time period, the SSD firmware will perform the opposite operation based on the current unprotected / protected state of the operating system partition. After the operating system boots up normally, it executes relevant lock / unlock commands for the system disk.

The utility model relates to timing switch device field especially, relate to a kind of embroidery lace fabric setting device timing starting device, including wheel frame;It further includes high resistance block, the inside of wheel frame is fixedly connected with two spacers, two spacers are fixedly connected with high resistance block, the outside of two spacers is fixedly connected with low resistance block;The utility model lets two conductive discs normal time contact with high resistance block, to reduce the voltage when current enters fabric setting equipment after passing through high resistance block, to reduce the operating power of fabric setting equipment, when user needs to use fabric setting equipment, through servo motor makes compound gear forward rotation, until active block bump built-in motor switch, to make servo motor stop and stop power, subsequently clockwork timer makes compound gear slow uniform speed reverse again through upper gear, before active block recontact passive block, all contact with conductive disc will change from high resistance block to low resistance block, let fabric setting equipment operate with higher high power.

This utility model provides a packaging carton flipping device, including horizontally arranged first and second conveyor belts and a stop shaft. The first conveyor belt transports the carton, and the second conveyor belt is offset vertically from the first conveyor belt. The stop shaft is located below the carton and in a special position, offset from the vertical center axis of the carton and behind the moving direction of the second conveyor belt. During operation, the carton is conveyed by the first conveyor belt and comes into contact with the stop shaft. The bottom is obstructed, and the top flips 90° around the stop shaft due to inertia and falls into the second conveyor belt. This device solves the problems of complex structure, high cost, easy damage to the carton, and unstable flipping of traditional flipping devices. Flipping is achieved through a simple mechanical structure, reducing cost and maintenance difficulty; the special position of the stop shaft and the soft rubber cover reduce damage to the carton; the design of the limiting plate and rotating stop shaft ensures smooth and accurate flipping. The conveyor belts are made of soft plastic belts, and the upper belt is supported by soft rubber tubes, further improving the stability and service life of the device, effectively improving the efficiency of the packaging production line and product quality.

The utility model discloses a kind of rotary yarn guide mechanism, including the mounting frame connected with external device, the first roller for yarn guidance is symmetrically rotated on the mounting frame, the second roller for yarn guidance is slidably connected on the mounting frame by driving element, two groups of the first roller and single group second roller form triangular guide area on mounting frame, the mounting frame is symmetrically provided with connecting seat, two groups of the connecting seat are respectively arranged at the corresponding hypotenuse of triangular guide area.The utility model forms triangular guide area by two groups of first roller and second roller, and utilizes motorized rail to drive second roller vertically adjustable, cooperates with cross plate, gasket and rectangular plate, and forms two-way stroke limiting structure with abutting bar, can flexibly adjust yarn routing corner and overall tension, simultaneously can accurately constrain component sliding stroke, avoid overtravel collision and yarn rigidly pull fracture, greatly improve the regularity and operating stability of yarn conveying routing.

The application relates to the technical field of injection molding machines, and particularly discloses an injection molding machine facilitating the discharging of automobile interior forming pieces, which comprises a machine body, a shell is arranged on the top of the machine body, a movable mold and a static mold are arranged in the shell, a discharging port is arranged on the top of the machine body, a cavity is arranged in the machine body, a discharging mechanism is arranged in the cavity, the discharging mechanism comprises a second moving plate, two clamping plates are arranged on the top of the second moving plate, and auxiliary guide mechanisms are arranged on the outer walls of the two clamping plates. In the application, the discharging mechanism can guide, limit and buffer the cooled and formed parts, prevents the parts from being directly impacted against the inner wall of the machine body to cause bruising, has a protection effect on the formed parts, and can indirectly improve the yield of the injection-molded parts. The damage rate of the parts is reduced, the recycling and remolding of damaged parts are reduced as much as possible, the new plastic raw materials or recycled defective plastic raw materials can be fully utilized, and good injection molding quality is ensured.

The application discloses a welding surface processing device for repairing a crack surface of a runner blade and belongs to the technical field of metal cutting. The device comprises a mechanical arm, the output end of the mechanical arm is provided with a mounting disc, a triangular plate is fixedly arranged on the bottom surface of the mounting disc, a main electrode for generating an electric arc is fixedly arranged on the triangular plate, auxiliary electrodes one and two are also slidably arranged on the triangular plate, a position adjusting assembly is fixedly arranged on the top surface of the triangular plate, a gradient magnetic field generator for generating a gradient magnetic field is fixedly arranged on the bottom surface of the triangular plate, the main electrode, the auxiliary electrode one and the auxiliary electrode two are all arranged in the inner ring of the gradient magnetic field generator, a mounting frame is fixedly arranged on the bottom surface of the triangular plate, a pair of electrode rods are fixedly arranged on the mounting frame, and a vibration assembly and a gas blowing assembly are also respectively fixedly arranged on the mounting frame. The device can process branch cracks by using induced electric arcs while processing main cracks by using main electric arcs, so that the processing efficiency is higher and the processing effect is better.