357results about How to "Accurate insertion" patented technology

The invention relates to the technical field of bolt mounting equipment, in particular to an angle steel tower bolt perforation mounting method. By means of autonomous navigation of the installation robot and flexible operation of the mechanical arm, rapid positioning and taking-out of bolts and nuts are achieved, and the risk of manual climbing and operation is reduced. Accurate insertion and preliminary positioning of the bolt are ensured through accurate control of the mechanical arm, then the fastening effect is enhanced by combining impact tightening with the intermittent hammering technology, the fit clearance between the angle steel is effectively eliminated, and the bolt is prevented from loosening. The whole process is highly automatic, personal errors are reduced, and the mounting quality and the working safety are improved.

The invention relates to the field of fiber jumping manipulators, in particular to a fiber jumping manipulator control method and device, equipment and a medium. The method comprises the following steps of: quickly responding to a wiring request, automatically calculating an optimal path and quickly and accurately finishing the steps of grabbing, moving, inserting and the like of the optical fiber patch cord by automatically controlling the patch cord manipulator, so that the wiring time is greatly shortened, the labor intensity of workers is reduced, the labor cost in patch cord operation is reduced, and the production efficiency is improved. And the overall working efficiency is improved. And automatic control can also realize real-time monitoring and recording of the wiring process, so that subsequent operation and maintenance management and troubleshooting are facilitated. By recording and analyzing the wiring process, the wiring path and the operation method can be continuously optimized, and the operation and maintenance management level is further improved.

The invention relates to an electric vehicle charging interface identification and positioning system for a charging robot. The system comprises a data acquisition module, a preprocessing module, a charging interface identification module, a positioning module, a posture estimation module, a control module, an environment adaptation module and an automatic learning module. According to the system, images and three-dimensional point cloud data of a vehicle are collected through a camera and a laser radar, the two-dimensional position of a charging interface is automatically recognized through preprocessing and a deep learning model, and the spatial position and posture of the interface are accurately positioned by combining a least square method with three-dimensional coordinates. The control module drives the mechanical arm to be in butt joint with the plug through PID feedback control and A * path planning, and automatic charging is achieved. And the environment adaptation module combines data enhancement and adaptive correction to improve the recognition stability of the system in complex environments such as illumination and background change. The method improves the recognition precision and real-time performance of the charging robot in different environments, and is suitable for an unattended automatic charging scene.

The invention relates to the technical field of cable crimping, in particular to a special cable crimping device which comprises a main supporting plate, positioning units are symmetrically installed at the left end and the right end of the main supporting plate, the positioning units are used for installing the main supporting plate in a distribution box, and a horizontal sliding groove is formed in the middle of the main supporting plate. A connecting unit is slidably connected into the horizontal sliding groove through a horizontal sliding block, and a clamping unit used for positioning and crimping the special cable is arranged on the connecting unit. According to the special cable shaping device, the manual shaping element is adopted to shape a special cable, the workload and the working intensity of directly shaping the special cable manually can be reduced, the special cable is effectively shaped in cooperation with the grooved wheel, and meanwhile, the track sleeve is matched with the track rod to limit the moving track of the semicircular abutting block, so that the special cable is more stable and reliable. And the end of the special cable is ensured to stably face downwards, so that the stability of the end of the special cable after being clamped is ensured.

The utility model discloses a limiting structure and a relay, the limiting structure comprises a first part and a second part, and the first part is provided with at least two protruding parts; the second part is provided with at least two assembly holes, and the at least two protruding parts are limited in the at least two assembly holes respectively; a plurality of protrusions are further arranged between the outer peripheral face of the corresponding protruding part and the hole wall face of the assembly hole and arranged in the circumferential direction of the assembly hole.

The invention discloses a diesel engine connecting bolt automatic tightening device, and relates to the technical field of bolt automatic tightening, the diesel engine connecting bolt automatic tightening device comprises a first linear module, the outer wall of a tightening sleeve is provided with a buffer correction piece, and the inner wall of the tightening sleeve is provided with a centering clamping piece located on the side, away from a bolt tightening head, of a slope connecting ring. By arranging the buffering correction piece, when one end of the bolt tightening head is not inserted into the cross notch of the bolt, the bolt tightening head can push the bolt to move by a certain distance at the moment, and then the bolt tightening head is rotated to the position aligned with the cross notch of the bolt through rotation of the bolt tightening head; therefore, the bolt tightening head is accurately inserted into the cross-shaped notch of the bolt, the arc-shaped baffle moves in the direction away from the circle center of the inclined plane connecting ring after moving by a certain distance along with continuous rotation and movement of the bolt tightening head, and therefore the bolt can be prevented from inclining in the process of being screwed into a threaded hole; and the accuracy of inserting the bolt into the threaded hole is improved.

The invention discloses an assembly type building stair mold, and relates to the technical field of stair molds, the assembly type building stair mold comprises a mold mechanism, the side face of the mold mechanism is provided with a transverse steel bar limiting mechanism, and the transverse steel bar limiting mechanism is used for limiting and fixing transverse steel bars in a prefabricated stair. According to the longitudinal reinforcement limiting mechanism, the height of a clamping head is accurately adjusted through a third mounting bolt, the clamping head can be flexibly selected according to the diameter of a longitudinal reinforcement, the mounting height and position of the longitudinal reinforcement can be accurately controlled, the overall positioning accuracy of a reinforcement framework is guaranteed, and then the mechanical property of the prefabricated stair is improved; the sleeve plays a role in protecting the end, inserted into the mold mechanism, of the third mounting bolt, it is avoided that concrete adhesion affects bolt disassembly, meanwhile, due to the detachable design of the third mounting bolt and the modular structure of the steel bar limiting mechanism, the demolding difficulty is lowered, damage to stairs after a component is formed is reduced, and the demolding efficiency and the finished product quality are improved.

The present invention relates to the field of non-standard automation technology, in particular to an end cap rotary cutting assembly system and method for an injection-molded bottle body, comprising an injection molding machine, an injection molding transfer mechanism, a conveying mechanism, a first positioning mechanism, a first clamping mechanism, a rotary cutting mechanism, a second positioning mechanism, a second clamping mechanism and an end cap assembly mechanism, wherein the injection molding machine is used for bottle body injection molding, the injection molding transfer mechanism comprises an injection molding material picking component and an injection molding conveying component, the injection molding material picking component is used for grabbing the injection-molded bottle body on the injection molding machine and placing it on the injection molding conveying component, the injection molding conveying component is used for conveying the bottle body toward the conveying mechanism, the conveying mechanism is used for bottle body conveying, the first positioning mechanism is used for positioning the bottle body on the conveying mechanism, the first clamping mechanism is used for clamping the positioned bottle body and conveying it toward the rotary cutting mechanism, and the rotary cutting mechanism is used for ring cutting at the port on the bottle body; the present invention realizes full-chain automated operation from injection molding to end cap assembly through integrated and automated design.

The invention relates to the technical field of network security, in particular to a data storage method and device, electronic equipment and a storage medium, which are used for improving storage efficiency and saving storage space. The method comprises the following steps: acquiring to-be-inserted data, wherein the to-be-inserted data comprises a to-be-inserted initial value and a to-be-inserted end value of a to-be-inserted range, and a to-be-inserted strategy; the red-black tree is traversed, the matching result of the end value of each node of the red-black tree and the end value to be inserted is determined, and each node of the red-black tree is used for storing the initial value and the end value of the corresponding range and the strategy associated with the range; and inserting the to-be-inserted data into the red-black tree by adopting a corresponding insertion mode according to a matching result. Since each node of the red-black tree stores not only a single data value, but also the initial value and the end value of the range, the storage efficiency is improved, and the waste of the storage space is avoided. And different insertion modes are adopted for different matching results, so that accurate insertion of the to-be-inserted data can be realized.

The invention belongs to the technical field of power maintenance, and discloses an adjustable grounding wire and a using method thereof.The adjustable grounding wire comprises an insulating rod, a circular ring block is installed on the outer wall of the top of the insulating rod, a handheld rubber handle is installed on the outer wall of the bottom of the insulating rod, and an insulating lead screw is rotatably installed in the insulating rod; the outer wall of the bottom of the insulating screw rod is fixedly sleeved with a rotating handle, and the top of the rotating handle is rotationally connected with the bottom of the insulating rod. The angle of the connecting rod and the angle of the wiring hook can be conveniently unlocked and adjusted by pulling the limiting plate and pressing the limiting rod, after adjustment is completed, the resilience force of the spring damping rod assembly ensures that the triangular protruding block is accurately inserted into the inner groove hole of the inner tooth disc, preliminary limiting is achieved, in addition, the limiting plate can slide along the limiting groove, and therefore the limiting plate can slide along the limiting groove. By means of the double-limiting design, it is ensured that the adjusted angle is stable and reliable, and the angle is not prone to being changed due to external force.

The utility model discloses a capacity-adjustable goods shelf structure which comprises a U-shaped shelf body, multiple sets of lifting plates are fixedly connected to the two sides of the inner wall of the U-shaped shelf body, a containing plate is installed on the tops of the lifting plates, multiple sets of lantern rings vertically penetrate through the containing plate, inserting shafts are fixedly connected to the two ends of the tops of the lifting plates, and the outer walls of the inserting shafts are connected with the inner walls of the lantern rings in an inserted mode. The front end and the rear end of the lifting plate are fixedly connected with the side plates, a worker holds the handle tightly with two hands, the placing plate is lifted from the original position firstly, then the placing plate is moved to the position above the lifting plate with the appropriate height, then the placing plate is vertically and downwards placed on the lifting plate, and according to the same mode, the placing plate is placed on the lifting plate. The two adjacent upper and lower groups of placing plates are respectively mounted on the lifting plates with different heights, and the distance between the two groups of placing plates can be adjusted, so that the size of the placing space can be quickly changed, the physical strength and time of workers are saved in the process, and meanwhile, the use cost of the goods shelf is also reduced.

The utility model provides a rivet mounting mechanism, and belongs to the technical field of mechanical assembly. The mechanism comprises a feeding assembly, a mounting assembly and a material table. The feeding assembly comprises a clamping nozzle, a guide plate and a supporting frame, the clamping nozzle is arranged on the guide plate, the guide plate is slidably connected to the supporting frame, a discharging opening of the clamping nozzle is aligned to the mounting hole, a feeding opening is formed in the side face of the clamping nozzle and communicates with the discharging opening, and the guide plate slides on the supporting frame in the axial direction of the mounting hole; the mounting assembly comprises a first driving device and a transmission block, the output end of the first driving device is fixedly connected with the transmission block, and the end, away from the first driving device, of the transmission block is in transmission connection with the rivet; a boss used for positioning a to-be-connected piece is arranged on the material table, the shape of the boss is matched with that of the to-be-connected piece, a riveting groove is formed in the position, aligned with the mounting hole, of the material table, and the end of the rivet can deform in the riveting groove. According to the rivet mounting mechanism, rivets can be efficiently and accurately mounted, the assembling efficiency can be improved, and manpower resources are saved.

The invention relates to the technical field of precision casting, in particular to a method for controlling the wall thickness of a wax mold of a complex hollow single crystal turbine blade and the wax mold. According to the method, ceramic cores are screened by obtaining the profile size of the sections, corresponding to the wall thickness points of the wax mold, of the ceramic cores; then, positioning bosses are matched with positioning holes, the screened ceramic mold cores are placed in a wax mold for positioning, wax is injected into the wax mold, and a blade wax mold is manufactured; detecting the wall thickness of a blade wax mold and the wall thickness of a corresponding casting, and obtaining a wall thickness change value; and finally, according to the wall thickness change value, the maximum value and the minimum value of the wall thickness of each detection point of the wax mold are obtained, so that the wall thickness of the wax mold produced subsequently is accurately controlled, the casting wall thickness out-of-tolerance caused by improper wax mold wall thickness control requirements is avoided, and the casting wall thickness qualification rate is increased. The problem that in the prior art, due to shrinkage of a ceramic core, the wall thickness of a wax mold of the single-crystal turbine working blade cannot meet the process requirement is solved.

The invention discloses a connector and a processing method thereof. The connector comprises a terminal module and an insulating shell formed on the outer side of the terminal module in an injection molding mode. The terminal module comprises a first terminal and an insulating body which is formed on the outer side of the first terminal through injection molding; one side surface of the insulating body is provided with at least one forming positioning groove; wherein one side of the insulating shell is provided with a butt joint cavity, and the other side is provided with an accommodating cavity; one end of the first terminal is located in the butt joint cavity, and the other end of the first terminal penetrates out of the accommodating cavity; the forming positioning groove is located in the butt joint cavity and communicates with the butt joint cavity. One side surface, deviating from the molding positioning groove, of the insulating body is at least partially exposed in the accommodating cavity to form an exposed area. The insulating body is fixed in an injection mold by arranging the molding positioning groove and the exposed area, and components for clamping the insulating body can be respectively pulled out from the butt joint cavity and the accommodating cavity, so that no open hole is left on the outer surface of the insulating shell, the wrapping integrity of the terminal module is improved, and the waterproof performance and the structural strength of the connector are improved.

The screen plate machining die comprises a lower supporting plate, guide columns are fixedly installed at the top of the lower supporting plate, an upper supporting plate is fixedly installed at the tops of the guide columns, a lower die plate used for containing a plate body is fixedly installed at the top of the lower supporting plate through a lining plate, and a punch mechanism is movably arranged between the lining plate and the upper supporting plate. A driving mechanism used for driving the punch mechanism to move downwards is arranged on the upper supporting plate, the punch mechanism comprises a punch mounting seat, a plurality of punch units are arranged on the punch mounting seat, each punch unit comprises a punch assembly and a locking assembly, the punch assemblies are used for punching a plate body, and the locking assemblies are used for locking the punch assemblies. The locking assembly is used for controlling whether the punch assembly conducts punching or not. According to the punching device, the punches can be quickly and selectively locked through the locking assembly, the locked punches participate in punching operation, and the unlocked punches move upwards after making contact with the plate body, retract into the sliding grooves and do not participate in punching operation.

The utility model relates to a steel coil feeding device of a spiral pipe welding unit, and belongs to the technical field of spiral steel pipe production, the steel coil feeding device comprises a moving plate trailer, a lifting platform and a track, the moving plate trailer directionally slides on the track, the lifting platform is mounted on the moving plate trailer and synchronously slides with the moving plate trailer, and the lifting platform is mounted on the track. The lifting platform ascends and descends on the movable plate trailer in the vertical direction, and a steel coil base plate strip used for placing steel coils and limiting the steel coils is arranged on the lifting platform. The steel coil feeding device has the effect that the steel coil feeding convenience is improved.

The invention relates to the field of cable installation, in particular to a marine environment resistant electric connector which comprises a male connecting seat and a female connecting seat, the male connecting seat comprises a first gold-plated outer cylinder and a first inner core, and the inner wall of the first gold-plated outer cylinder is provided with at least one PTFE insulating layer; the first inner core comprises a male terminal, a first PTFE insulator, a first crimping sleeve and a first heat-shrinkable sleeve, the front end of the male terminal is a connecting plug, the rear end of the male terminal is a first wiring part used for being connected with a cable, the male terminal is arranged in the first crimping sleeve, and the first PTFE insulator is arranged in the first crimping sleeve; the first PTFE insulator is arranged in the first crimping sleeve and is positioned between the inner wall of the first crimping sleeve and the male terminal; the first heat-shrinkable sleeve is sleeved in the first crimping sleeve to form the first inner core; through reasonable material selection and structural design, the cable has remarkable advantages in the aspects of corrosion resistance, sealing performance, electrical insulating performance and signal transmission stability, and can reliably operate in a marine environment for a long time.

The utility model relates to a feeding machine for automatically inserting magnetic steel into a rotor. The device comprises a workbench, two magnetic steel storage assemblies arranged on the workbench, a plurality of magnetic steel trays arranged at the output storage ends of the two magnetic steel storage assemblies, a three-axis moving module arranged on the workbench, a clamping jaw assembly arranged at the telescopic end of the three-axis moving module, an assembly line arranged on the workbench and a plurality of positioning tools arranged on the assembly line. The supporting table is arranged on the workbench, the rotary material distributing tool assembly is arranged on the supporting table, the clip type feeding assembly is arranged on one side of the rotary material distributing tool assembly, the magnetic steel inserting assembly is arranged over the rotary material distributing tool assembly, the anti-retreating assembly is arranged on one side of the rotary material distributing tool assembly, and the jacking air cylinder is arranged at the bottom of the workbench. According to the utility model, through cooperation of the components, automatic installation is realized, the magnetic steel is inserted into the rotor core efficiently, accurately and effortlessly, the production efficiency and the product quality are improved, the structure is simple, the operation is convenient, and the maintenance cost is low.

The invention provides a low-voltage isolating switch with an adjustable wire inlet end, which comprises a seat body and a cover plate fixedly connected to the upper end of the seat body, the lower end of the cover plate is fixedly connected with a camera and a light supplementing lamp, a movable cavity is formed in the seat body, the inner wall of the movable cavity is connected with a knife holder and a wiring contact seat, the knife holder is rotatably connected with a power connection knife switch, and the power connection knife switch is rotatably connected with the wiring contact seat. The upper end of the wiring contact seat is fixedly connected with a knife switch clamping piece which is electrically contacted with the electric knife switch and limits the electric knife switch; images of metal wires can be shot through the camera, features in the images are analyzed through an image processing algorithm, so that the metal wires made of different materials are distinguished, after the metal wires are distinguished as aluminum wires, the driving mechanism can be controlled to drive the terminal base to rotate, and the copper-aluminum transition contact base is rotated and adjusted to the original position of the wiring contact base. And then the metal wire is directly inserted into the copper-aluminum transition contact seat and screwed tightly, so that the wiring work can be completed. By automatically identifying and classifying the metal wires, the wiring workload of wiring personnel is reduced, and the wiring efficiency is improved.

This application relates to a pin bending device for electrical connectors, belonging to the field of pin bending technology. The device includes a base, a feeding mechanism, an assembly mechanism, and a bending mechanism. The feeding mechanism includes a housing conveying assembly and a pin conveying assembly. The housing conveying assembly is located at one end of the base along its length, and the pin conveying assembly is located on the base. The housing conveying assembly can convey the housing, and the pin conveying assembly can convey the pin. The assembly mechanism is located on the base and on one side of the housing conveying assembly along its length. The assembly mechanism can receive the housing and the pin and assemble and fix them to form a terminal. The bending mechanism is located on the base and can perform two bends on the pin. This application aims to solve the problem of low production efficiency caused by the difficulty in simultaneously achieving automated assembly and bending.

The invention discloses an insulator structure for fixing a static end of a circuit breaker. An insulator comprises a basin-type insulator, a conductive insert and a sealing mechanism, the conductive insert is embedded in the middle of the basin-type insulating part; the middle part of the conductive insert is provided with an observation window with two through ends, and the sealing mechanism is locked and installed in the observation window for sealing and fixing. After the insulator structure, a circuit breaker supporting seat and other static end components are assembled into a circuit breaker static end, when the whole circuit breaker static end is installed in a circuit breaker shell, the position of the push-pull rod can be observed through the observation window, the push-pull rod can be accurately inserted into a guide rail clamping groove, and testing detection is conducted after the push-pull rod is invalid. And then the insulator is locked on the circuit breaker shell, and then the sealing mechanism is locked and fixed on the observation window to seal the observation window, so that the air isolation effect of the insulator is ensured.

This utility model discloses a modular connection structure and smart glasses, including an electronic module component one and an electronic module component two connected by a detachable structure. After the electronic module component one and the electronic module component two are connected in place, a closed electrical circuit is formed, which can realize the quick assembly and disassembly of different modules. Firstly, it can reduce the weight of the wearer when not in use, and secondly, it is convenient for later replacement and maintenance, while also being adaptable to a variety of usage scenarios.

The utility model discloses a protective test tube placing rack, which relates to the technical field of test tube racks and comprises a test tube fixing frame, a replaceable test tube inserting rack is slidably arranged in the test tube fixing frame, and a sealing plate is inserted into one side of the test tube fixing frame. The test tube placing rack solves the problems that existing test tubes are generally and directly placed in the placing rack, but the placing rack is fixed in structure and lacks a protection mechanism, so that the test tubes are prone to being damaged, and meanwhile one placing rack can only place the test tubes of the single size. The two sides of an opening in the arc-shaped rubber pad are arranged to be arc-shaped, the replaceable test tube inserting frame can meet the placing requirements of test tubes of different sizes, the bottoms of the test tubes are protected, the replaceable test tube inserting frame is clamped through the sliding cover plate and the outer frame, the sealing plate is vertically inserted into the outer frame, and then the sliding cover plate is transversely pushed to clamp the sealing plate; test tubes with different sizes can be accurately inserted and fixed through the multi-size insertion openings.

The utility model relates to the technical field of wiring pipes, and discloses a wiring pipe convenient to splice, which comprises a main body, the outer wall of the main body is provided with a splicing structure, the outer wall of the main body is provided with a positioning structure, the splicing structure comprises a corrugated pipe, the outer wall of the main body is fixedly connected with the corrugated pipe, and the outer wall of the main body is fixedly connected with the positioning structure. A metal ring is fixedly connected to the end, away from the main body, of the corrugated pipe, and a clamping groove is formed in the outer wall of the metal ring; the outer wall of the main body is fixedly connected with the fixing shell, the inner wall of the fixing shell is fixedly connected with a spring, one end, far away from the fixing shell, of the spring is fixedly connected with a clamping block, and the inner wall of the fixing shell is slidably connected with the clamping block. According to the wiring pipe convenient to splice, the splicing structure is arranged, the angle of the splicing position can be adjusted through the splicing structure, then any two sets of wiring pipes with different angles can be conveniently and rapidly spliced, and then the splicing efficiency of the wiring pipes is improved.

The utility model relates to the technical field of reamed hole bolt accessories, and discloses a reamed hole nut which comprises a reamed hole nut assembly, an anti-loosening spring is fixedly installed at the bottom of the reamed hole nut assembly, and a reinforcing guide assembly is fixedly installed at the position, located on the inner side of the anti-loosening spring, of the bottom of the reamed hole nut assembly. The reamed hole nut assembly comprises a nut body, the bottom of the nut body is fixedly connected with the top of the anti-loosening spring, the reinforcing guide assembly is arranged, a mounting ring on the reinforcing guide assembly has excellent tensile strength and yield strength, and stable performance can be kept for a long time. Second reinforcing internal threads on the reinforcing guide assembly have excellent corrosion resistance and wear resistance, frictional wear generated by threaded connection can be resisted, the integrity and the service life of the reinforcing guide assembly are kept, a guide conical ring on the reinforcing guide assembly can play a role in guiding the reinforcing guide assembly, and the service life of the reinforcing guide assembly is prolonged. And the reinforcing guide assembly can be accurately inserted into a reamed hole of a part.

This invention relates to the field of automated assembly technology and discloses an automated assembly equipment and method for hydraulic cylinders, including an assembly table. The top surface of the assembly table is provided with a piston turning assembly for moving a piston to a workstation. Above the assembly table is a piston adjusting mechanism for workstation transfer of the piston. Above the assembly table is a piston outer sealing ring fitting assembly for fitting an outer sealing ring onto the piston surface. This invention not only achieves continuous piston transport, workstation transfer, and sealing ring assembly through a fully automated design, including an electric conveyor belt, turntable, and cylinder drive assembly, but also significantly reduces manual intervention, improves overall assembly speed and production efficiency. The drive device and transmission components ensure accurate piston positioning at each workstation and precise fitting and insertion of the sealing ring, effectively reducing assembly errors.

This utility model relates to an automatic flaring and boxing structure for lithium battery top-side sealing machines. The machine body is equipped with a sealing platform, a conveying component, and a material collection box. A flaring component is installed between the sealing platform and the material collection box. The flaring component includes a flaring platform, a flaring cutter, a drive motor, and a fixed base. The flaring platform and the drive motor are installed above the fixed base. The blade of the flaring cutter is connected to the drive motor, and the tip of the flaring cutter faces the flipping platform. The surface of the fixed base is equipped with a push-pull cylinder, a guide rail, and a movable platform. The movable platform is slidably connected to the surface of the guide rail. The drive motor is installed on the surface of the movable platform. The push-pull cylinder is installed on the edge of the fixed base. The extension rod of the push-pull cylinder is connected to the movable platform. The drive motor drives the flaring cutter to rotate. The rotation of the cutter stably and reliably opens the opening of the aluminum-plastic film, forming a channel that meets the requirements.

The utility model discloses a quick charging base with multiple charging positions, and relates to the technical field of charging bases, the quick charging base comprises a charging base body and a battery panel, the front side of the bottom of the charging base body is provided with a connector lug, and the top of the charging base body is respectively provided with a charging groove I and a charging groove II; according to the utility model, four charging limiting plates are fixedly connected to the inner sides of the charging groove I and the charging groove II at the bottom of the charging base body, so that battery panels on the inner sides of the charging groove I and the charging groove II can be limited, and the battery panels can be more accurately inserted into the charging insertion rods; a dustproof piece is installed on the side face of a connector lug at the bottom of the charging base body, a dustproof plate in the dustproof piece is fixedly connected with the bottom of the charging base body through a connecting belt, the dustproof plate is clamped to the connector lug through a plug barrel, and a sponge layer on the inner side of the plug barrel can remove dust on the connector lug; corrosion damage caused by accumulation on the inner side of the connector lug is avoided.

The utility model provides a floating plug pin and machining equipment. The floating plug pin comprises a fixed seat, a floating seat, a reset part, a deflection part and a pin head. The floating seat is arranged on the fixed seat and can rotate around the axial direction of the floating seat relative to the fixed seat and move in the radial direction of the floating seat. The reset piece is arranged on the fixed seat and the floating seat and can reset the floating seat. The deflection piece is arranged on the floating seat and can swing around a first rotating shaft of the floating seat relative to the floating seat. The pin head is arranged on the deflection piece and can swing around the second rotating shaft of the floating seat relative to the deflection piece. When the floating plug pin is used, the floating seat can rotate and move in the radial direction, and the pin head can swing in the two perpendicular directions, so that the pin head has the freedom degree of moving and rotating in the space, and in the process that the pin head is inserted into the inserting opening, even if the pin head and the inserting opening are not aligned or deviated, the pin head can be inserted into the inserting opening. And the pin head can be offset in a moving and rotating mode, so that the pin head can be accurately inserted into the inserting opening, and the service life of the mechanical arm is prolonged.

The invention relates to the technical field of tracheal intubation, and provides an anti-infection protection device for medical tracheal intubation, which comprises a fixed sleeve positioned on the upper side of the outer wall of the tracheal intubation and fixedly connected with the outer wall of the tracheal intubation, and two sides of the outer wall of the fixed sleeve are fixedly connected with fixed clamping grooves; the silica gel sleeve is located on the lower side of the outer wall of the trachea cannula and slides up and down, fixing bands are arranged on the two sides of the silica gel sleeve, the ends of the fixing bands are connected with the fixing clamping grooves in an inserted mode so as to be used for storage, and the other two fixing bands are connected through a splicing piece so as to be bound to the head of a patient. The trachea cannula can be inserted into the preset depth more accurately by medical staff, the risk of injury to airway tissue due to improper cannula operation is reduced, meanwhile, the trachea cannula can adapt to head sizes of different patients and can be adjusted to proper tightness, the trachea cannula is effectively prevented from shifting or falling off due to movement of the heads of the patients, and the trachea cannula is prevented from being damaged. The stability and continuity of ventilation are ensured, and the overall structure is easy for medical staff to operate conveniently and rapidly.