151results about How to "Improve the fit range" patented technology

The invention discloses a lyric and rhythm printing method based on an audio fingerprint and related equipment, and the method comprises the steps: carrying out the preprocessing operation of a to-be-processed audio, and obtaining the preprocessed audio data; dividing the preprocessed audio data into a plurality of segments; respectively extracting key features of each fragment; converting each key feature into a corresponding audio fingerprint through a Hash algorithm; searching audio fingerprints in a preset song library and judging whether matching succeeds or not; if the matching is successful, first primary printing information is generated, the first primary printing information comprises lyric information and rhythm information arranged according to a preset format, and the lyric information and the rhythm information are lyric information and rhythm information corresponding to the matched audio fingerprint; the first primary printing information is rendered according to a preset style, and a final printing picture is obtained; and sending the final printing picture to the printing equipment to enable the printing equipment to print the final printing picture. The lyrics and rhythms can be quickly and accurately recognized and printed, and the accuracy and efficiency are improved.

The invention relates to the technical field of feeding devices, and discloses a feeding device for transmission chain machining, which comprises a base, a mounting frame fixedly mounted on the upper surface of the base, a support frame slidably arranged on the inner side of the mounting frame, a stop lever arranged on the mounting frame, at least one bearing assembly arranged on the support frame, and at least one conveying assembly arranged on the support frame. The bearing assembly comprises a pair of transverse shafts rotationally installed on the supporting frame. The technical means that the bearing assembly is matched with the stop lever is adopted, when feeding is needed, the electric trolley loaded with the chain to be inspected is moved to the position close to the edge of the inspection table, the moving assembly is used for driving the supporting frame to move upwards, the stop lever blocks the stress plate, the bearing plate is made to rotate, the chain stacked on the bearing plate slides to the table top under the action of gravity, and the chain to be inspected is conveyed. Operation is easy and labor-saving, the technical problem that feeding in the prior art is time-consuming and labor-consuming is solved, and the technical effect of improving the feeding efficiency is achieved.

The embodiment of the invention discloses a cable aging evaluation system and method based on an operation condition and an environment condition, and the method comprises the steps: obtaining the service time, aging operation influence parameter information, pre-stored standard information and environment information of a to-be-evaluated cable, and obtaining the aging detection information stored corresponding to the environment information, determining a first aging evaluation value of the to-be-evaluated cable according to the use duration and the aging detection information, determining a second aging evaluation value of the to-be-evaluated cable based on the aging operation influence parameter information and pre-stored standard information, and obtaining a first preset weight of the first aging evaluation value and a second preset weight of second aging information, and calculating according to the first and second preset weights and the first and second aging evaluation values to obtain a final aging evaluation value of the to-be-evaluated cable. According to the scheme, aging evaluation is carried out on the cable according to the operation condition and the environment condition, reasonable aging evaluation can be carried out on the cable which is not easy to manually detect or shoot images, and the adaptation range of cable aging evaluation is widened.

The utility model discloses a ferrite base material surface film covering device which comprises a workbench, one end of the workbench is fixedly connected with a clamping assembly, one side of the workbench is fixedly connected with a movable frame, a sliding groove is formed in the top of the movable frame, a movable motor is arranged at one end of the top of the movable frame, and one side of the movable motor is fixedly connected with a rotating screw rod. And the rotating screw rod is rotationally mounted in the sliding groove, and a film covering device is slidably mounted on the outer surface of the sliding groove. According to the scheme, the ferrite base material is coated with the film roll, the film roll is attached to the surface of the ferrite base material through pressing of the pressing block, and then ferrite and the film roll are attached more evenly, so that bubbles are reduced, the film coating effect of the ferrite base material is improved, the dust collection nozzle is used for removing dust on the to-be-coated part of the ferrite base material, and the film coating efficiency is improved. Bubbles caused by dust on the surface of the ferrite base material are avoided, and damage to the surface of the ferrite base material due to the fact that the pressing block presses the dust is also avoided.

The present application relates to the technical field of high-voltage transmission line operation and maintenance equipment, and in particular to an insulator string thermal deicing and cleaning device, comprising a connecting slide rod, wherein the number of the connecting slide rods is two and they are symmetrically arranged front to back, and the two connecting slide rods are commonly provided with two groups of upper and lower symmetrical clamping mechanisms for locking on the insulator string, the number of each group of the clamping mechanisms is two and they are symmetrical front to back, and the two connecting slide rods are commonly provided with two front to back symmetrical thermal deicing mechanisms for thermally melting the ice on the insulator string. By setting the connecting slide rod and the thermal deicing mechanism, the thermal deicing work can be applied to insulator strings in different setting states, thereby improving the adaptability, so that it is more convenient to perform deicing work on the insulator string, reducing the carrying of adapter equipment, and facilitating the staff to perform deicing work on the insulator string in a special environment in cold weather, so that it is more convenient.

The invention provides water pipe rust removal equipment for a water conservancy project, and belongs to the technical field of water pipe rust removal equipment. Comprising a fixed frame, a multi-stage telescopic rod is fixedly connected to the fixed frame, a mounting seat is assembled at the tail end of the telescopic rod of the multi-stage telescopic rod, fixed seats are symmetrically mounted on the two sides of the mounting seat, a supporting frame and a connecting seat are symmetrically connected to the top and the bottom of the mounting seat, and movable seats are arranged in the fixed seats in a sleeved mode; the tail end of the movable seat extends to the outer portion of the fixed seat and is provided with a grinding tool base, and a grinding head is arranged in the grinding tool base in a sleeved mode. According to the water pipe rust removal equipment for the water conservancy project, by arranging the sand blasting assembly, the grinding tool base and the grinding head, sand blasting rust removal and grinding rust removal are combined through the water pipe rust removal equipment for the water conservancy project, primary rust removal is conducted on the inner wall of a pipeline through grinding of the grinding head, and secondary rust removal is conducted through the sand blasting assembly; therefore, the quality and the efficiency of the equipment during pipeline inner wall rust removal operation are both considered.

The invention relates to automatic profile steel straightening equipment which comprises an input device, an operation table, an output device and a first displacement sensor used for detecting the position of profile steel, and an equipment controller used for controlling the input device and the output device and a straightening mechanism used for straightening the profile steel are installed on the operation table. The straightening mechanism comprises a hydraulic cylinder, at least two main supporting plates, a second displacement sensor used for detecting the extension distance of the hydraulic cylinder and a third displacement sensor used for detecting the pushing deformation amount of the profile steel, and the first displacement sensor, the second displacement sensor and the third displacement sensor are all electrically connected with the equipment controller; the profile steel is located between the hydraulic cylinder and the main supporting plate. Multiple devices can be controlled by a single person, operation is easy and convenient, the labor intensity and the labor cost are reduced, and the profile steel straightening efficiency is improved; the production controllability and the personnel safety are guaranteed, the automatic control and precise positioning technology is applied, damage in the profile steel transporting and carrying process is reduced, and the product quality is improved.

The utility model relates to the technical field of plastic part spraying treatment, and discloses a high-uniformity automobile plastic part injection molding spraying device which comprises a clamp and a spray gun, a processed plastic part is fixed by the clamp, the spray gun is arranged on the front side of a spraying surface of the processed plastic part, and the outer contour of the processed plastic part is wrapped with a negative pressure air pipe. According to the spraying device, in the spraying process of the plastic part, due to the negative pressure effect, ambient air can be sucked into the negative pressure air pipe, air flow is formed, and the plastic part is sprayed through the negative pressure air pipe; the air flow enables coating particles in the spraying process to be more evenly distributed on the surface of a processed plastic part, so that uniform processing of paint spraying is achieved, the coating floating outside the outline can be effectively sucked into the negative pressure air pipe, and the influence on the environment is reduced.

The invention provides a sound leakage detection device and a sound leakage detection system, and belongs to the technical field of sound detection equipment. The sound leakage detection device comprises a supporting base, a rotary table, a supporting table and a mounting support, and the supporting base comprises a base body and an external expansion support extending in the circumferential direction of the base body; the rotary table is rotationally connected with the base body, at least part of the rotary table is connected with the external expansion support, and the rotary table is configured to rotate relative to the base body in the extending direction of the external expansion support; the supporting table is fixedly arranged on the base body, the height of the supporting table is adjustable, and the supporting table is used for installing a sound source part to be tested; the mounting bracket is arranged at the upper part of the rotary table, a plurality of sound pickups are mounted on the mounting bracket at intervals, and the sound pickups are used for detecting sound pressure signals of the sound source part to be detected. According to the sound leakage detection device provided by the invention, the flexibility and the degree of freedom of the device can be improved, and sound pressure signals in all directions can be conveniently acquired, so that the accuracy of sound leakage detection can be improved.

The invention relates to the technical field of welding, in particular to a welding device for mechanical part manufacturing, which comprises a floor table, a fastening assembly and a welding assembly, the fastening assembly is fixedly arranged at the top of the floor table, the welding assembly is fixedly arranged at the top of the floor table, the welding assembly is located at one end of the fastening assembly, and a gear motor is fixedly arranged at the bottom of the floor table. A base is fixedly installed at the bottom of the floor table. The four rocker arms rotate along the switching positions of the hinge shafts and the bearing seats, so that the top ends of the four rocker arms move close to the parts located at the top of the material plate until the top ends and the bottom ends of the fastening claws abut against the outer walls of the upper parts and the lower parts correspondingly, and therefore the upper parts and the lower parts are synchronously fastened; meanwhile, the device can fasten an upper part and a lower part of different specifications, welding flexibility is improved, downward pressure is applied to the upper part and the lower part, it is ensured that welding seams of the upper part and the lower part are tight, and the overall connection strength of the two welded parts is improved.

This utility model relates to the field of guide rail production and handling, and in particular to a handling device for the production of anti-fall guide rails for iron towers. It includes a crossbeam frame and a vacuum suction cup. A U-shaped support frame is fixedly installed on the left side of the lower end of the crossbeam frame. Connecting sleeves are fixedly installed at both the front and rear ends of the U-shaped support frame. A second U-shaped support frame is fixedly installed on the right side of the lower end of the crossbeam frame. Connecting blocks are fixedly installed at both the front and rear ends of the second U-shaped support frame. An installation cavity is provided on the inner side of each connecting block. This utility model connects the connecting blocks of one handling device with the connecting sleeves of another handling device by inserting them together, and uses locking blocks to lock the connecting blocks and connecting sleeves. This allows multiple handling devices to be connected as a whole, facilitating the selective splicing of handling devices according to guide rails of different lengths. This enables adaptation to different models of anti-fall guide rails for iron towers, improving the equipment's adaptability and further enhancing the ease of use of the anti-fall guide rail production and handling device.

The utility model relates to the technical field of parking braking devices, in particular to a parking braking device of a railway vehicle, which comprises a mounting frame, a fourth hinge piece and a positioning component, first hinge pieces are arranged at two ends of the inner side of the mounting frame, and second hinge pieces are arranged at the inner ends of the first hinge pieces. A brake pad mounting shell is arranged at one end of the second hinge piece, a third hinge piece is arranged at the upper end of the outer side of the brake pad mounting shell, and an air cylinder is mounted at the position, corresponding to the third hinge piece, of the outer side of the mounting frame. The two brake pad bodies are alternately attached to the outer side of the wheel body to conduct braking operation, the friction time of the single brake pad body and the wheel body is shortened, the brake pad bodies are prevented from being damaged due to overheating, the parking braking device for the railway vehicle is fixed through the two positioning components, the positioning components rotate at the outer end of the fourth hinge piece, and the brake pad bodies are fixed. And the fixing operation of different angle fixing positions is adapted.

The utility model relates to the field of board stacking equipment discloses a step type turnover guide roller device for stacking mechanism. The device sets up turnover rotary seat on the connecting seat of both sides of the frame, and the rotary seat is switched between the retracted position and the working position around the hinge shaft driven by the cylinder, the roller wheel is rotatably installed on the rotary seat, the outer circle of the roller wheel has the step structure extending along the circumference at the end close to the stacking center, the shoulder part surface is perpendicular to the roller wheel axis, and serves as the lateral positioning surface of the board edge part. In the working position, the step shoulder part surface and the side baffle jointly form the rolling guide and lateral limiting channel of the narrow plate, can realize stable distribution and accurate stacking under the width scene close to or lower than the conventional lower limit of adjustment, reduces the deviation and knock, and improves the production efficiency. The device is compact in structure, reliable in action, and convenient to integrate into the existing stacking mechanism to implement upgrading.

The invention discloses a point-to-point screen projection control method for an Android handheld device. The point-to-point screen projection control method comprises an Android device end and a receiving end, the Android equipment end captures equipment screen data, compresses and packages the equipment screen data into general data and sends the general data to the receiving end, and meanwhile obtains an operation instruction of the receiving end, analyzes the operation instruction and executes the operation instruction; the receiving end obtains equipment screen data through a browser and then analyzes and displays a corresponding picture, and meanwhile the browser receives instruction data, classifies and packages the instruction data into universal instruction characters and then sends the universal instruction characters to the Android equipment end; according to the method, cross-device projection and control can be quickly realized through general packaging, receiving and sending of data by the Android device end and the receiving end, and the practicability is good.

This invention relates to the field of automotive parts loading and unloading equipment technology, specifically to an automotive parts loading and unloading robotic workstation, including a frame, a conveying device, and a robotic arm module. The conveying device has a sorting module, and the robotic arm module includes a robotic arm body and a picking module. The sorting module has mounting seats on both sides, on which first and second baffles rotate synchronously in opposite directions, allowing one part to be released at a time. The picking module includes a picking rack and paired gripping modules, with the gripping body equipped with a vacuum adsorption plate, using a dual mechanism of mechanical gripping and vacuum adsorption to pick up parts. This invention solves the problems of insufficient sorting accuracy and unstable picking in existing workstations, improves the reliability of sorting and picking, adapts to batch production cycles, reduces parts damage rates, has a reasonable structure, a high degree of automation, can be adapted to various specifications of automotive parts, and reduces manual labor intensity.

The utility model provides a comprehensive electromechanical pipeline assembly unit jacking tray which comprises a bottom frame, a first limiting rod and a second limiting rod, the bottom frame is provided with a first direction and a second direction, the first direction is perpendicular to the second direction, in the first direction, the first limiting rod is fixedly connected to one end of the bottom frame, and in the second direction, the second limiting rod is fixedly connected to the other end of the bottom frame. The second limiting rod is slidably connected to the other end of the bottom frame, a plurality of positioning holes are distributed in the end, close to the second limiting rod, of the bottom frame in the first direction, the second limiting rod is aligned to one positioning hole, and a locking piece is arranged at the end, close to the bottom frame, of the second limiting rod and detachably connected to the inner wall of the positioning hole. And the locking piece is used for limiting the movement of the second limiting rod relative to the positioning hole. The tray conveying device has the characteristic of improving the tray conveying efficiency.

The invention discloses a hardware mounting device for an artificial intelligence computer, and relates to the technical field of computer hardware mounting, the hardware mounting device comprises a fixing plate, connecting plate rods are fixedly connected to the bottom surfaces of four corners of the fixing plate, a positioning plate is fixedly connected to the bottom ends of the connecting plate rods, and a threading groove is formed in the top surface of the fixing plate; the bottom of the positioning plate is provided with an installation adjusting structure, the bottom end of the installation adjusting structure is provided with an installation limiting structure, and the bottom end of the installation limiting structure is connected with an installation bunching structure. And the mounting adjusting structure comprises a displacement groove, clamping grooves, a positioning sliding seat and a wedging side groove, the displacement groove is formed in the bottom face of the positioning plate, the clamping grooves are formed in the inner wall of the displacement groove at equal intervals, the positioning sliding seat is slidably connected to the inner side of the displacement groove, and the wedging side groove is formed in the outer side face of the positioning sliding seat. Rapid installation of computer hardware is achieved through structural clamping, and disassembly and replacement of the computer hardware are facilitated.

The present invention relates to the technical field of automatic cleaning of semiconductor chip molds, and discloses a fully automatic mold brushing equipment for semiconductor packaging process, comprising: a load-bearing platform arranged above the platform of a semiconductor plastic sealing press, a clamping assembly, used to connect and fix the load-bearing platform with a square tube at the upper crossbeam of the semiconductor plastic sealing press, the clamping assembly comprising a pair of symmetrically arranged columns, the lower end of each of the columns being fixedly connected to the load-bearing platform, and a pair of relatively arranged clamping blocks being rotatably arranged on the columns. The present invention adopts a technical means of cooperating a moving assembly and a roller brush head assembly. After each molding operation is completed, the moving assembly is used to drive two cleaning blocks to approach the corresponding mold, and automatically clean the dust and impurities thereon, and basically no missed cleaning will occur, thus overcoming the technical problems of easy missed cleaning and high work intensity in manual cleaning, and achieving the technical effect of improving the yield rate and reducing the work intensity.

The present invention provides a permission control method that supports both employee and channel business data, including the following steps: Step 1: Access the DingTalk API, after the user logs in through DingTalk, obtain the name and user ID of the current user, Step 2: Process the obtained user data through the Java spring framework, judge the user data permission, and output the judgment result, Step 3: Output the ID according to the judgment result, and form an ID set, and give feedback on abnormal data permissions, prompting that the user does not have editing permissions, Step 4: Access the ID set to the interface, after the user logs in, display the user permission information and the data that the user can browse and edit. The present invention isolates the permissions of different personnel by continuously dividing permissions, and processes the permission data set. When used, the data displayed between personnel with different permissions is also different, which reduces the situation where non-authorized personnel receive invalid information to interfere with their work, and improves work results.

This application discloses a tool setting method and tool setting fixture for a vertical slotting machine, belonging to the technical field of tool setting devices. To address the problems of low tool setting efficiency and poor accuracy in existing vertical slotting machines, the tool setting fixture includes a central support plate. A triangular jaw is installed at the bottom of the central support plate. The tool setting fixture is installed at the inner hole of the workpiece to be processed via the triangular jaw. A support base for fixing a measuring device is installed on the front side of the central support plate. A tool setting sample block is detachably connected to the support base. The operator determines the tool setting position by cooperating with the measuring device and the tool setting sample block. This application is mainly used as a tool setting device for CNC vertical slotting machines.

The cam, door lock and washing machine with the door lock provided by the present invention belong to the technical field of door locks, wherein the cam has an opening for inserting a door hook, and the opening has a first side wall for abutting and cooperating with the door hook when the door hook drives the cam to rotate toward a locked state; the first side wall has a deformable member, and the deformable member is an elastic member, and the deformable member has an avoidance state in which the deformable member is elastically deformed toward the first side wall after being pushed by the door hook; the cam of the present invention is provided with a deformable member on the first side wall of the opening for cooperating with the door hook, and the deformable member can change the opening size of the cam by deformation, so that when the door hook cooperating with the cam is small, the door hook can rotate by pushing the cam by the deformable member, and when the door hook is large, the deformation of the deformable member can prevent the longer door hook from driving the cam to damage the internal parts of the door lock, thereby increasing the adaptation range of the door lock to the door hook.

The invention discloses an adaptive pipeline X-ray flaw detector, comprising a mounting plate, a battery, a vertical support unit and a horizontal support unit; the mounting plate: the mounting plate is arranged in a rectangular shape, and the battery is fixedly connected to the upper surface of the rear side of the left end of the mounting plate; the vertical support unit: the vertical support unit comprises a mounting column, a movable sleeve rod, a vertical coil spring and a mounting head, and the mounting columns are provided with two in total, and the two mounting columns are respectively fixedly connected to the upper surface of the middle position of the front and rear sides of the mounting plate, the lower end of the movable sleeve rod is hollow, and the lower end of the movable sleeve rod is movably sleeved with the upper end of the mounting column, the lower surface of the lower end of the movable sleeve rod and the upper surface of the corresponding mounting plate are respectively fixedly connected with the two ends of the vertical coil spring. The adaptive pipeline X-ray flaw detector has simple operation, high flaw detection efficiency, high transportation flexibility, can cope with large angles of bent pipelines, and has good use effect.

The application relates to the technical field of size detection, and more specifically discloses a supercharger sealing ring opening size precision detection device which comprises a lower base and an upper cover plate. The lower base comprises a base body, the upper surface of the base body is provided with a detection inclined groove, the detection inclined groove corresponds to the position of a detection groove, the lower base and the upper cover plate are fixed through locking assemblies, a lower mold groove is arranged at the middle position in the base body, a plurality of storage grooves are arranged at the outer side, and the lower mold groove is used for fixing a detection module in use. The double amplification method of'mechanical lever amplification + laser measurement' is adopted, which is favorable for greatly improving the detection resolution of the tiny gap. During detection, the cutting edge contact rod of the cutting tip part directly contacts the sealing ring opening, the tiny gap change is amplified through the lever ratio, the amplified displacement amount is captured in real time by the handle part through the laser generator, and the ultra-precise measurement of the opening gap is realized.

The utility model relates to the field of house building engineering, and discloses a pouring formwork supporting structure for house building engineering construction, which comprises a base and a supporting plate, the supporting plate is welded at the center of the top of the base, a longitudinal groove is arranged between the upper part and the lower part of the inner side of the supporting plate, and a stand column is fixed between the upper part and the lower part in the longitudinal groove. The outer side of the stand column is sleeved with three sets of sleeves, and screw holes are formed between the upper portion and the lower portion of the surface of the stand column. According to the pouring formwork supporting structure for house building project construction, the transverse plates are welded to the backs between the sleeves, the two bases are pushed to the front end and the rear end of a pouring mud block through the universal wheels, and the sleeves are stirred up and down along the longitudinal grooves of the supporting plates according to the height of a to-be-extruded mold plate; the screw holes in the stand columns and the sleeves are aligned, the first bolts are screwed for reinforcement, then the transverse rods are pulled in the inner cavities in the two sides, then assembly connection is conducted through the assembly blocks, and the problem of position fixing of structural components is solved.

The utility model relates to the technical field of construction guardrails, in particular to a construction guardrail reinforcing device of a construction building, which comprises a guardrail main body, a rotating plate, a lower hinge piece and an upper hinge piece, a winding box is arranged on the upper side of the guardrail main body, a winding rod is arranged in the winding box, a shielding curtain is arranged on the outer side of the winding rod, and the rotating plate is arranged on the rotating plate. A sliding plate is arranged at the lower end of the shielding curtain, a sliding groove is formed in the inner side of the guardrail body, ground nails are arranged on the lower side of the guardrail body, and a first supporting plate is arranged on the upper side of the winding box. The protection mode of the guardrail main body is changed by unfolding and rolling the shielding curtain in the rolling box, open type protection or hidden type protection can be carried out, the rotating plate is rapidly disassembled and assembled through the upper hinge piece and the lower hinge piece, the assembly efficiency is improved, and the safety is improved. And the angles of the two guardrail main bodies are adjusted by rotating the corresponding sides of the upper hinge piece and the lower hinge piece of the rotating plate, so that the use flexibility is improved.

The invention discloses an FFU device leak detection device convenient for deviation rectification, and relates to the technical field of FFU device detection, the FFU device leak detection device comprises a workbench and a lifting assembly, the upper end of the workbench is internally and rotatably connected with a support roller, the top of the workbench is fixedly provided with a rack, the lifting assembly is arranged in the rack, and the support roller is rotatably connected with the support roller. The lifting assembly comprises a hydraulic cylinder, a lifting plate, a connecting frame, an X-shaped frame, a bottom plate, a sliding block, a sliding rod, a lifting frame and a bottom roller. When leakage detection is carried out on the FFU device, the FFU device only needs to be placed on the workbench, the hydraulic cylinder drives the lifting plate to move downwards at the moment, the fan cover can be placed at the top opening of the FFU device, the FFU device is rapidly connected, and when an aerosol generator generates particles, a fan in the upper end of the fan cover works, so that leakage detection is carried out on the FFU device. The air containing the aerosol particles can be sent into the FFU device, so that the content of the particles passing through the FFU device can be detected by an aerosol photometer at the other end of the FFU device, and whether the FFU device is damaged or leaked or not can be judged.

The invention discloses a multi-terminal automatic director method, device and equipment and a storage medium, and the method comprises the steps: determining director switching requests belonging to the same access scene according to equipment director codes in the director switching requests when the director switching requests of at least one terminal device are received, obtaining current director state information and a current director queue corresponding to the access scene; updating a current director queue according to each director switching request and a preset switching matching rule; determining a switching request result according to the current director state information and the current director queue; and if the switching request result is switching, determining a first candidate device director code in the current director sequence as a target device director code, and switching a director picture in the access scene into a collection picture of the terminal device corresponding to the target device director code. Therefore, the director picture display is more in line with the scene requirement, the director manual participation degree is reduced, the director can adapt to more abundant scene conditions, and the user experience is improved.

The present application relates to laser processing equipment technical field, specifically said is a kind of transformer oil tank laser rust cleaning system, including annular spliced track being horizontally arranged in the top of transformer oil tank, first sliding seat and second sliding seat are slidably connected on annular spliced track;Through the cooperation of pressing assembly, cylinder and double-shaft motor, the driving roller directional movement is automatically triggered when laser surface treatment mechanism moves up and down, seamless closed loop of processing, area switching, reprocessing is realized, manual adjustment equipment position or switching function is not needed, labor intensity and operation complexity are greatly reduced;Laser processing mode avoids the safety hazards such as metal dust inhalation, splashing scratch caused by manual polishing, and the moving speed and processing intensity of mechanism are stable and controllable, effectively solve the problem that manual operation is prone to corrosion residue or excessive polishing damage oil tank steel, significantly improve processing quality.

The utility model discloses a quenching hanging tool and a quenching hanging device, and belongs to the technical field of heat treatment. The quenching hanging tool comprises two vertical beams, the two ends of the first cross beams are connected with the two vertical beams respectively, and the two first cross beams are arranged at intervals in the first direction; the two ends of the second cross beams are movably arranged on the two vertical beams in a sleeving mode respectively, and the second cross beams are located between the two adjacent first cross beams; the first cross beam and the second cross beam are both provided with the hook assemblies, and an aluminum alloy workpiece can be hung on the second cross beam and the first cross beam located on the upper portion; the adjusting assembly is connected with the second cross beam and the first cross beam located on the lower portion and used for adjusting the distance between the second cross beam and the first cross beam located on the upper portion. Aluminum wires and stainless steel wires do not need to be used, the aluminum alloy workpiece can be stably hung during solid solution heating and quenching treatment of the aluminum alloy workpiece, and it is guaranteed that the aluminum alloy workpiece does not deform.

The invention relates to the technical field of electronic information, and discloses a reference following anti-interference bidirectional current sampling method and system, and the method comprises the steps: carrying out the driving characteristic enhancement processing of a reference voltage signal, and obtaining an enhanced reference voltage signal; performing common-mode interference suppression processing on the original differential voltage signal to obtain a net differential voltage signal; performing linear amplitude adjustment on the net differential voltage signal to obtain an amplified voltage signal; mapping the amplified voltage signal into a unipolar voltage range by taking the strengthened reference voltage signal as a reference zero point to obtain a unipolar voltage signal; performing correlation coupling on the long-term characteristics and the short-term characteristics to obtain correction parameters, and performing signal reconstruction on the unipolar voltage signals based on the correction parameters to obtain optimized unipolar voltage signals; performing synchronous decoding on the optimized unipolar voltage signal based on the enhanced reference voltage signal to obtain an instantaneous current value and a flowing direction; according to the invention, the precision of bidirectional current sampling can be improved.