125results about How to "Guaranteed Alignment Accuracy" patented technology

The embodiment of the invention provides a differential Hall current sensor and a manufacturing method thereof, and belongs to the technical field of semiconductors. The differential Hall current sensor includes: a substrate; the magnet yoke is provided with a semi-enclosed structure formed by a bottom surface and two side surfaces positioned on the same side of the bottom surface, and the bottom surface is bonded on the substrate; the current bar is placed in the cavity of the semi-surrounding structure and allows two end parts of the current bar to extend out of the semi-surrounding structure; the insulating layer is arranged on the upper surface of the current bar and located in the cavity; the at least two Hall elements are symmetrically arranged on the two sides of the upper surface of the insulating layer in the current direction; the at least two groups of magnetism gathering blocks are attached to the magnetic induction surfaces of the at least two Hall elements; at least two groups of magnetism gathering blocks and the magnet yoke form a conducting magnetic circuit, and the magnetic field component of the current magnetic field in the parallel direction of the magnetic induction surface is deflected into the magnetic field component in the vertical direction. According to the differential Hall current sensor, the Hall perceptible magnetic field intensity is enhanced through the conduction magnetic circuit of the gathered current magnetic field, and the measurement sensitivity is improved.

The invention provides strip magnetizing equipment which comprises a machine body, a strip, a transmission mechanism, a coating mechanism, a baking mechanism and a magnetizer, the strip penetrates through the machine body and is conveyed through the transmission mechanism, the coating mechanism is arranged on the front side of an inlet of the machine body in the conveying direction and used for coating the strip with a coating capable of being magnetized, and the baking mechanism and the magnetizer are arranged on the machine body. The baking mechanism dries the coating on the strip, and the magnetizer magnetizes the coating. According to the strip magnetizing equipment provided by the invention, continuous magnetizing of the strip can be realized, and the production efficiency of the magnetic strip is greatly improved.

The utility model discloses a fluid connector, and relates to the technical field of fluid communication equipment.The fluid connector comprises at least two valve seats with communication channels and valve elements rotationally arranged on the opposite sides of the valve seats and used for opening and closing the communication channels, a positioning groove is formed in one valve element, and a positioning part is correspondingly arranged on the other valve element; the positioning part extends into the positioning groove and is axially interfered and circumferentially limited with the valve core with the positioning groove after the two valve cores relatively move, and the two valve cores are circumferentially limited to synchronously rotate, so that the communicating part on the valve cores is communicated with the communicating channels on the two valve seats. Synchronous circumferential transmission is formed between the two valve elements, so that associated structures between the valve elements and the valve seat are reduced, and through the synchronous circumferential transmission between the valve elements, the movement precision of the valve elements in the on or off movement can be improved, so that the conditions of dislocation of a communicating part and the like are effectively avoided, and the service life of the valve element is prolonged. Motion errors caused by the fact that the valve seat serves as an intermediate transmission component are reduced.

The invention belongs to the field of pipeline welding, and particularly relates to a fire-fighting pipeline automatic alignment welding device which comprises a conveying frame, two conveying mechanisms which are symmetrical front and back are arranged on the conveying frame, a mounting frame is arranged in the middle of the conveying frame, and a first electric push rod is arranged on the lower portion of the mounting frame. A first sliding mechanism is arranged on the mounting frame, three locking mechanisms which are uniformly distributed from front to back are further arranged on the mounting frame, and the first sliding mechanism is connected with the locking mechanism at the rearmost end of the mounting frame. The three locking mechanisms can be matched with the conveying mechanism, one locking mechanism can adjust the distance according to the welding requirement so that fixing and aligning operation of two sections and three sections of fire fighting pipelines can be conveniently carried out, the aligning operation is simple and rapid, and then the aligning and welding efficiency of the fire fighting pipelines is improved.

The present invention belongs to the field of pipeline welding, and in particular, relates to an automatic alignment welding device for fire protection pipelines, including a conveying frame, on which two conveying mechanisms that are symmetrical in front and back are arranged, and a mounting frame is arranged in the middle of the conveying frame, and a first electric push rod is arranged at the lower part of the mounting frame, and a first sliding mechanism is arranged on the mounting frame, and the mounting frame is also provided with three locking mechanisms that are evenly distributed from front to back, and the first sliding mechanism is connected to the locking mechanism at the rear end of the mounting frame. The three groups of locking mechanisms arranged in the present invention can cooperate with the conveying mechanism, and one group of the locking mechanisms can adjust the distance according to the welding requirements, so as to facilitate the fixed alignment operation of the two-section and three-section fire protection pipelines, and the alignment operation is simple and fast, thereby improving the efficiency of the alignment welding of the fire protection pipelines.

The invention relates to the technical field of multi-core optical fiber connection, and provides a multi-core optical fiber high-efficiency plugging type micro-connection structure system and a connection method thereof.The system comprises a multi-core optical fiber connector body, an optical fiber plugging terminal, an optical fiber alignment auxiliary terminal and an optical fiber dynamic correction terminal; the multi-core optical fiber connector body is used for being connected with an optical fiber core of a multi-core optical fiber; the optical fiber plugging and unplugging terminal is used for realizing plugging and unplugging operation of the multi-core optical fiber connector body and the butt joint seat and simultaneously realizing mechanical alignment of the multi-core optical fiber connector body and the butt joint seat; the optical fiber alignment auxiliary terminal is used for assisting the multi-core optical fiber to realize micron-order alignment in the connection process through positioning and dynamic adjustment; the optical fiber dynamic correction terminal is used for correcting optical fiber connection offset caused by temperature change, stress and manufacturing errors in real time and maintaining the stability of the system. The method has the effect of improving the connection quality of the multi-core optical fiber.

The invention discloses an intelligent laser welding workstation for a high-voltage cable. The intelligent laser welding workstation comprises an operation table, a mechanical arm, a welding head, a camera assembly, a power assembly, a clamping assembly and a control piece. A control part is installed on the outer side of the operation table and comprises an image acquisition module, an image processing module, a track planning module, a motion control module, a quality detection module, a parameter adjustment module and a synchronous control module. Visual guidance and real-time monitoring in the welding process are achieved through the camera assembly, a welding center point is accurately positioned through an image processing algorithm, the track planning module generates a smooth welding path, and the parameter adjusting module dynamically adjusts welding parameters according to a molten pool image. The synchronous control module receives a production line signal to realize full-process automation of automatic clamping, welding and loosening; efficient and stable laser welding seamlessly integrated with the cable manufacturing process is achieved, and the automation degree, welding precision and product reliability of a production line are improved.

The invention discloses a PCB processing technology for printing multi-layer stepped thick gold plating, and belongs to the field of multi-layer PCB processing. The PCB processing technology for printing multi-layer stepped thick gold plating comprises the following steps: designing a PCB, and carrying out hierarchical planning; overlapping and laminating the insulating material and the copper foil layer according to the design, and performing interlayer alignment by using an optical alignment system; laser drilling equipment is adopted to drill holes in the laminated plate for electrical connection and hole penetrating; a chemical nickel-copper plating process is used, and plating is carried out in the hole wall; forming a circuit pattern on the surface of the plating layer by using a photoetching technology; redundant materials are removed by using an etching technology; plating thick gold on the copper layer by using an electroplating technology; and measuring the thickness of the gold-plated layer, assembling the processed PCB, and carrying out electrical test. In the laminating process, the optical alignment system is used for carrying out interlayer alignment, so that the alignment precision is ensured, and the problems of signal transmission loss, short circuit or open circuit and the like are avoided.

The invention discloses a supporting structure for reducing the degree of freedom of an electromechanical transmission output shaft and an output gear, which belongs to the technical field of mechanical design and comprises a cylindrical pin, the output shaft, a flange plate, the output gear and a bearing. The flange plate is mounted on the box body; the flange plate is supported on the output gear through a bearing; one end of the output shaft is coaxially sleeved in an axial blind hole A in the output gear; the output gear and the output shaft are coaxially connected through a cylindrical pin; one end of the cylindrical pin is in transition fit with an axial blind hole B in the output gear, and the other end of the cylindrical pin is in transition fit with an axial blind hole C in the output shaft. According to the invention, the cylindrical pin is utilized to restrain the redundant degrees of freedom of the output gear and the output shaft in the axial direction and the radial direction, and the coaxiality between the output shaft and the output gear is improved, so that the assembly error is reduced, the dynamic load is reduced, and the overall performance and reliability of an electromechanical transmission system are improved.

The purpose of the present invention is to provide a sample measurement device and a sample measurement method capable of reliably ensuring the alignment accuracy of a sample. A sample measurement device is provided with: a measurement instrument for measuring a sample; a transport device that transports a sample along a transport path to the measuring unit of the measuring instrument; and a position assurance unit for fitting the position assurance sample held by the transport device by driving the transport device.

The utility model discloses a compartment type powder cleaning system with a fixed forming part, which is characterized in that a piston driving device drives a forming piston to lift in a forming cylinder, and a forming cylinder lifting driving device drives the forming cylinder to lift; the upper end of the forming cylinder can be inserted into an opening of a bottom plate of the forming chamber in a sealed mode and is connected with a working plane on the upper side of the bottom plate of the forming chamber in an aligned mode, the powder cleaning cylinder driving device drives the powder cleaning outer cylinder to ascend and descend, and the upper end face of the powder cleaning outer cylinder can make sealed contact with the lower side face of the bottom plate of the forming chamber. The lower portion of the forming cylinder and the lower portion of the powder cleaning outer cylinder can be aligned and connected with the upper end face of a forming piston after 3D printing is completed, a powder containing space with the upper end face of the forming cylinder and the upper end face of the forming piston as the bottom face can be formed in the powder cleaning outer cylinder, and the dust collector can suck away powder in the powder containing space through a powder suction opening in the side wall of the powder cleaning outer cylinder. According to the 3D printing device, the centering precision of the forming cylinder is guaranteed, and intelligent and automatic powder cleaning and piece taking of the 3D printing device are achieved.

The utility model relates to an automatic feeding and discharging device for PCBs. According to the technical scheme, the automatic feeding and discharging device is characterized by comprising a rack; a suction cup moving mechanism is arranged on the rack; the suction cup moving mechanism is provided with an output end; a jointed board adsorption mechanism is arranged at the output end of the suction cup moving mechanism; a table top lifting mechanism is arranged on the rack and located below the jointed board adsorption mechanism. By arranging the table top lifting mechanism, the table top, used for transporting the PCB, on the skip car can be lifted into the moving range of the suction cup moving mechanism, and therefore the stroke of the suction cup moving mechanism is reduced; the position of the jointed board adsorption mechanism is adjusted through the suction cup moving mechanism, the jointed board adsorption mechanism adsorbs the multiple stacks of PCBs on the table top, the multiple stacks of PCBs are placed on the working table top of the depth control gong equipment side by side for board jointing, automatic feeding and discharging operation of the PCBs is achieved, the processing requirements of the PCBs of different specifications and numbers are met, the production efficiency is effectively improved, and the production cost is reduced. And errors caused by human factors are reduced.

The utility model provides a kind of human resource management archives auxiliary threading device, it is related to the technical field of archives management, including base, left stand plate, first sliding slot, first bearing, first lifting plate, screw rod, hand wheel, upper antiskid block, lower antiskid block, arc hole and punch assembly etc.;Traditional manual binding needs page by page alignment, manual punching, for the archives of greater thickness, it is cumbersome and time-consuming to operate.And the device realizes automatic punching through punch assembly, multiple drill bits can work simultaneously, and punching operation of multiple hole positions is completed at one time, which greatly reduces the punching time and significantly improves the overall efficiency of archives binding.Operators do not need to repeat punching, threading and other mechanical actions, effectively reducing hand fatigue caused by long-term operation, reducing the work failure rate and reducing labor intensity.

This invention discloses a production line and equipment for surface correction of electro-galvanized steel wire, relating to the field of surface correction technology for electro-galvanized steel wire. It includes a functional box, a robotic arm, and a first clamping cylinder. A first servo motor is housed in a protective shell at the top of the outer wall of the functional box. The first servo motor is connected to the robotic arm via a rotating shaft. The robotic arm is connected to a first cylinder via a connecting rod. A first drawing die is mounted on the side of the outer wall of the first cylinder. A second servo motor inside the first cylinder is connected to a transmission shaft via a helical gear set. The transmission shaft is connected to the first clamping cylinder via threads on the outer wall. This invention, by installing a functional box, robotic arm, first cylinder, first clamping cylinder, limit ring, first servo motor, and second servo motor, achieves rapid and safe replacement of the drawing die, avoiding direct contact between workers and the high-temperature die, eliminating the risk of burns, greatly improving production efficiency and safety, and ensuring product quality stability.

The invention relates to the technical field of machining, and discloses a high-precision pin hole machining and aligning method which is characterized by comprising the following steps: step 1, roughly boring each pin hole and boring a circle; 2, a coordinate system XOY is calibrated in the flange end face of the workpiece, a calibration datum line is set along the X axis and the Y axis, pin holes penetrating through the two ends of the calibration datum line are set as datum holes, the first point where the calibration datum line intersects with the datum holes is a first datum point, and the intersection point of the calibration datum line and the outer circle of the flange is a second datum point; step 3, measuring coordinates of the first reference point and the second reference point through a machine tool, and calculating a relative displacement value between the first reference point and the second reference point which are adjacent to each other; 4, comparing the two relative displacement values of the same calibration datum line to obtain a difference value; and 5, the center position of the machine tool spindle is adjusted according to the two difference values obtained in the step 4, and then the pin holes are finely bored. The machining method is simple and easy to implement, the part machining precision is ensured, the machining efficiency is improved, and the product cost is reduced.

The utility model discloses a glass measuring vessel liquid level automatic constant volume device, including needle control module, clamping module, visual control module, pump liquid module, liquid storage tank and controller. Needle control module includes the thick needle and thin needle of switchable position, pump liquid module and liquid storage tank between the pipeline connection, needle control module and pump liquid module between the pipeline connection, and pump liquid module draws liquid from the liquid storage tank and injects into needle control module, needle control module, visual control module, pump liquid module are electrically connected with controller, and the needle of needle control module is lifted and switched through the controller control, and the pump liquid module is controlled to inject liquid to needle control module through the controller, and the visual control module is controlled to shoot liquid level and handle imaging through the controller. The device uses the double needle design of thick needle and thin needle, and the thick needle realizes rapid liquid injection, and the thin needle realizes accurate constant volume liquid surface, reaches the uniform speed microinjection under the liquid, real -time detection liquid level continuous change, realizes the capacity accurate constant volume.

The application relates to the technical field of image digitization, in particular to an image processing method and device based on AI frame alignment and blur elimination, equipment and a medium, which comprises the following steps: acquiring continuous multiple frames of image data, performing feature extraction on each frame of image data, the feature extraction comprises detecting image feature points by using a detection algorithm, and a binary feature vector of each image feature point is generated; the binary feature vector is input into a pre-trained lightweight neural network model for feature matching, a geometric transformation model between each frame is calculated, and a transformation matrix is obtained; according to the transformation matrix, geometric transformation is applied to the current frame, alignment with a reference frame is realized through inverse mapping and bilinear interpolation; through a content perception filling algorithm, a boundary missing area generated due to geometric transformation in the aligned image data is identified and repaired, and the aligned image data is filled. The application has the effect of improving the quality of a film and television work after scanning.

The invention belongs to the technical field of concentricity detection, and particularly relates to a concentricity detection method after vacuum system installation, and the method comprises the following steps: 1, vacuum system preparation: transferring a vacuum system needing concentricity detection to a detection plane, placing the vacuum system, and carrying out the levelness test; 2, tool main body preparation is conducted, specifically, tools with four 0.3 mm small holes are manufactured, two tools are based on a workpiece supporting assembly, and two tools are based on a device mounting flange; and 3, tool main body installation, wherein the four tools are installed at the positions, with the concentricity requirement, in the vacuum system correspondingly, and it is ensured that the tools are tightly connected with the system in a matched mode. According to the invention, the performance and reliability of the vacuum system are improved, high-quality delivery and effective long-term maintenance are also ensured, and the trust and satisfaction of users are further enhanced.

The utility model discloses a product correction mechanism for display screen detection, which comprises a correction platform, a platform bottom plate, a screen fixing assembly and an FPC (Flexible Printed Circuit) fixing assembly, and the screen fixing assembly and the FPC fixing assembly are respectively arranged at two ends of the top of the platform bottom plate. The screen fixing assembly comprises an adsorption plate, and a first adsorption assembly is arranged in the adsorption plate and used for bearing and adsorbing the screen end. The FPC fixing assembly comprises dragging blocks, a theta-axis alignment assembly, an X-axis alignment assembly and a Y-axis alignment assembly, the dragging blocks are arranged at intervals, and second adsorption assemblies are arranged in the dragging blocks and used for bearing and adsorbing the FPC ends. The theta-axis alignment assembly, the X-axis alignment assembly and the Y-axis alignment assembly are sequentially arranged between the dragging block and the platform bottom plate in the third direction and used for adjusting and driving the dragging block in the fourth direction, the first direction and the second direction and driving the FPC end to move so that the FPC end can extend in the first direction, manual intervention can be reduced through automatic design of the alignment assemblies, and the production efficiency is improved. And the correction automation degree is improved.

The utility model relates to the technical field of veneering machines, and discloses a veneering machine alignment structure which comprises a veneering machine body, a supporting frame is fixedly installed at the top of the veneering machine body, a sliding groove is formed in the bottom of the supporting frame, two sliding blocks are installed in the sliding groove in a sliding mode, and the two sliding blocks are oppositely arranged. Fixing frames are fixedly installed at the bottoms of the two sliding blocks correspondingly, and aligning plates are fixedly installed on the sides, close to the veneering machine body, of the two fixing frames correspondingly. By means of the alignment plate and the air bag, when the plates are conveyed in a promoted mode, the plates can be gathered inwards, the positions of the plates are aligned, the alignment precision of the plates is ensured, machining errors caused by inaccurate positions of the plates are reduced, the product quality is improved, scratches, abrasion or pollution possibly caused by contact are avoided, the integrity and cleanliness of the plates can be kept easily, and the production efficiency is improved. And by arranging an air blowing pipe and a dust collection box, dust on the surfaces of the plates can be cleaned up when the plates are aligned, and the veneering precision is improved.

This invention relates to the field of hydraulic support installation technology, and more particularly to an installation device and method for installing the side guard plate of the top beam of a hydraulic support. The invention includes a horizontally arranged placement platform and a telescopic frame. The telescopic frame includes multiple sets of telescopic components, which are arranged parallel to each other and spaced apart along the length of the placement platform. Each set of telescopic components includes a fixed cylinder, a push-pull rod, a first hydraulic cylinder, and two vertically arranged clamping columns, all arranged along the width of the placement platform. The fixed cylinder is fixedly installed on the bottom wall of the placement platform. The push-pull rod is inserted into the fixed cylinder, and the opposite ends of the push-pull rod and the fixed cylinder are respectively fixedly connected to the two clamping columns. The first hydraulic cylinder is fixedly installed inside the fixed cylinder. By setting multiple sets of telescopic components, multiple first hydraulic cylinders can drive multiple clamping columns to move synchronously inward, thereby applying a stable and uniform compressive force to the side guard plate and overcoming the elastic force of the compression spring on the guide rod of the side guard plate.

The utility model provides a backlight module and a display device, and the backlight module comprises a diffusion plate which is located on the backlight side of a display panel; the back plate comprises a bottom plate part and a side plate part, the bottom plate part is located on the side, away from the display panel, of the diffusion plate, and the side plate part surrounds the periphery of the diffusion plate; the limiting pieces are arranged on the periphery of the diffusion plate and used for limiting the diffusion plate in a space defined by the bottom plate part and the side plate part; the limiting piece comprises a connecting part connected to the side plate part and an elastic limiting part connected to the connecting part, and the elastic limiting part is located between the side plate part and the diffusion plate in the direction from the side plate part to the diffusion plate; and in the direction from the side plate part to the diffusion plate, the elastic limiting part can generate elastic deformation under the acting force applied by the diffusion plate so as to limit the offset of the diffusion plate. According to the backlight module and the display device provided by the embodiment of the invention, the display effect can be improved.

The invention relates to the technical field of welding equipment, in particular to galvanized round pipe welding equipment which comprises a workbench and a welding gun and further comprises a first clamping piece, a second clamping piece, a deflection assembly, a grinding assembly, a rotating assembly, an expanding and shrinking assembly and an adjusting assembly. The first clamping piece and the second clamping piece are used for clamping the two galvanized steel pipes welded at a certain angle, the deflection assembly is used for driving the second clamping piece to move along a preset path, and the expansion and contraction assembly is used for achieving separation or combination of the two parts forming the rotating assembly. The angle between the second clamping piece and the first clamping piece can be adjusted according to the angles of the two galvanized steel pipes to be welded, in this way, the welding requirements of the steel pipes with different angles can be better met, manual supporting and pressing are not needed, it can be ensured that the two steel pipes can be accurately in butt joint in the welding process, and the good welding effect is achieved.

The utility model relates to glass steel product assembly technical field, concretely relates to a kind of positioning tool for positioning column center distance assembly, the positioning column at least two, the parallel arrangement between the positioning column, the positioning tool includes connecting sleeve head and connecting rod, the connecting sleeve head one end is matched with positioning column, and the other end is provided with connecting rod;The clearance fit between the connecting sleeve head and positioning column, the positioning column includes column stem, protruding portion and column head from below to above in order, the width of protruding portion is greater than the width of column head, and the width of column head is greater than the width of column stem;The bottom of connecting sleeve head is provided with positioning slot, and the positioning slot is matched with column head, and at least two connecting sleeve heads are provided on the connecting rod.The utility model is convenient and fast, and positioning accuracy is high, reduces random error, improves assembly efficiency and assembly qualification rate, meets the requirement of product batch consistency, with remarkable engineering application value.

The embodiment of the application discloses a punching die and a punch, the punching die comprises an upper die and a lower die, the upper die comprises an upper die seat, a punch, and a first positioning structure, the first positioning structure and the punch are arranged on the upper die seat; the lower die comprises a lower die seat, a die core, and a second positioning structure, the die core is arranged on the second positioning structure, and the second positioning structure is movably connected to the lower die seat. When the punching die is in a closed die state, the second positioning structure is positioned and matched with the first positioning structure, the punch is arranged in the die core, and the die core is pressed against the lower die seat. In this way, when the punching die is in the closed die state, the die core is pressed against the lower die seat, so that the pressure applied by the punch can be shared by multiple components (such as the die core, the lower die seat, and the like), thereby avoiding that the die core bears the force of the punch alone, and thus the stress concentration on the die core is reduced, and the risk of fracture of the die core is reduced.

The utility model provides a kind of locking and unlocking mechanism of skid, it is related to the technical field of industrial conveying, including base, the top of base is provided with lifting frame, lifting assembly is installed between base and lifting frame;Lifting assembly is used to drive lifting frame to lift;Four corners of lifting frame are all installed with unlocking mechanism;Lifting assembly includes driving motor, driving motor is fixedly installed on base, the rotating end of driving motor is fixedly connected with driving synchronous pulley, and two horizontal shafts are symmetrically provided on the top of base;Unlocking mechanism can cooperate with skid positioning hole of skid by skid positioning pin, ensure alignment accuracy, skid has inductive sensor real-time detection skid whether in place, combined with unlocking lever opening position inductive sensor and unlocking lever locking position inductive sensor accurate feedback to locking and unlocking state, form whole-process automation control, replace artificial alignment and state confirmation, improve operating efficiency.

This application discloses a surgical instrument comprising a handle assembly, a barrel assembly, and an actuator assembly. The proximal end of the barrel assembly is connected to the handle assembly. The barrel assembly includes a transmission mechanism, a first pusher, a second pusher, and a contact member. The contact member is disposed on the first pusher, and the transmission mechanism is connected to the first pusher. The distal end of the barrel assembly is connected to the actuator assembly. The actuator assembly includes a first jaw and a second jaw. The proximal end of the first jaw has a fixed rotating shaft, and the proximal end of the second jaw is rotatably connected to the fixed rotating shaft. The first pusher has a first mating surface, and the second jaw has a second mating surface. The transmission mechanism can drive the first pusher to move toward the distal end of the actuator assembly, thereby causing the first mating surface to press against the second mating surface. The second jaw has a mating portion, and the contact member is movably engaged with the mating portion. The transmission mechanism can also drive the first pusher away from the actuator assembly, thereby causing the contact member to press against the mating portion.

The present application provides a method and device for controlling the positioning of unmanned container trucks in ports under dual-box tasks. In this method, a first laser radar is selected to obtain a point cloud set of the front side, and the distance d from the front side of the previous vehicle-mounted container to the center of the rear axle of the vehicle and the angle α of the previous vehicle-mounted container relative to the tractor head are calculated through the point cloud set; the left turn or right turn is determined according to the angle α, and the second laser radar on the same side is selected to use, and the point cloud set of the side of the two vehicle-mounted containers within the specified angle threshold range is obtained through the second laser radar on this side; the real-time distance s between the two containers and the distance r from the center position of the two containers to the center of the rear axle of the vehicle are calculated; the distance L from the center of the sling to the center of the rear axle of the vehicle is calculated, and the parking reference distance is r-L. The present invention improves the parking accuracy and efficiency of unmanned vehicles when performing dual-box tasks in unmanned ports, making it easier for the dual-box sling to dismantle two containers at one time.

The invention discloses an infrared guide type self-positioning method and system for a logistics storage vehicle and a vehicle pushing device, and relates to the technical field of intelligent storage vehicles. The infrared guide type self-positioning method comprises the following steps: constructing a high-altitude infrared guide and vehicle body lag self-adaptive monitoring return system; establishing a rectangular coordinate system and planning an advancing path for the logistics storage area; the truck body structure is controlled to move along a planned advancing path based on a high-altitude infrared guide and truck body lag self-adaptive monitoring return system, and pressure monitoring is carried out in real time corresponding to the advancing direction, so that the relative position change, corresponding to the advancing direction, between the truck body structure and the alignment infrared receiving structure is compared and judged; and the truck body structure is controlled to carry out compensation position adjustment according to the relative position difference value between the two. The technical problem that in the prior art, when a logistics storage carrying vehicle body advances based on high-altitude infrared guiding, the carrying vehicle body is prone to being delayed relatively, and the overall alignment precision is affected is solved.

This utility model relates to the field of electricity meter technology, and in particular to a wiring auxiliary structure for electricity meters. It includes a fixed wall plate, with an electricity meter placement component fixedly connected to the upper front end of the fixed wall plate, and a wiring positioning component fixedly connected to the lower front end of the fixed wall plate. Two fixing rods are fixedly connected to the lower front end of the electricity meter placement component, and a fixing locking device is fixedly connected to the lower ends of the two fixing rods. In this wiring auxiliary structure, rotating the three-bladed knob of the fixing locking device drives a screw to push the second wiring positioning plate backward. With the cooperation of the guide rod and guide hole, smooth movement is achieved. Combined with the elastic action of the return spring, the wire is firmly locked to the electricity meter terminal, ensuring a tight and reliable connection. This avoids metering errors and safety hazards caused by poor contact. Furthermore, the entire locking process is simple to operate and can be completed without professional tools, significantly improving wiring efficiency and safety.