37results about How to "Keep clear" patented technology

The utility model discloses a kind of non-ferrous metal wastewater detection processing devices of hydrometallurgy, it is related to metal wastewater treatment technical field.The utility model includes liquid storage barrel, the inside of the liquid storage barrel is provided with cleaning mechanism.The utility model is provided with cleaning mechanism, after detecting wastewater solution, when driving motor drives rotating rod rotation, it will drive connecting sleeve and multiple scrapers to carry out synchronous rotation, and then make three scrapers to the dirt on the inner wall of liquid storage barrel is washed, ensure that the neatness of the environment in liquid storage barrel and the clarity of liquid solution, prevent the wastewater solution to be detected subsequently received pollution, in the process of connecting sleeve rotation, it will drive three sliding rods to carry out synchronous rotation, sliding rod drives internal screw block to rotate, so that internal screw block will move upwards or downwards when rotating, so that the inner wall of liquid storage barrel is washed by the cleaning brush on three connecting rods, cooperate three scrapers to further improve the cleaning effect of overall device.

The invention relates to a high-speed edge washout test device and method for a solidified soil protection structure, and the device comprises a washout test system which comprises an annular water tank, a stirrer and a camera group, solidified soil and a natural soil body are symmetrically arranged at the two sides of the bottom of the annular water tank, and the stirrer is used for forming annular water flow in the annular water tank; therefore, an incident flow state interface and a back flow state interface of the solidified soil and the natural soil body are formed at the same time, and the camera group is used for shooting the incident flow state interface and the back flow state interface; the water body updating system is used for supplying water to the annular water tank, receiving the water body discharged from the annular water tank and filtering the water body; and the signal control system is used for receiving information fed back by the stirrer, the camera group and the water body updating system and controlling the stirrer and the water body updating system. The stirrer rotates to directly drive a water body, the upper limit of the flow velocity is remarkably improved, the optimized special-shaped blades improve the radial distribution uniformity of the water flow velocity, and the high-speed edge washout test requirement is met.

The utility model discloses a kind of lithium battery pole piece size measuring devices, it relates to lithium battery pole piece online measurement technical field, the lithium battery pole piece size measuring device, including table top and display, the table top is fixedly provided with support, the upper end of support is equipped with the measuring mechanism for carrying out size measurement to lithium battery pole piece, the lower end of support is provided with fixed base, fixed base inside is equipped with the object table for carrying the lithium battery pole piece to be measured, the upper end of fixed base is also provided with adjustable light source mechanism, adjustable light source mechanism adjusts illumination position according to different measurement needs.The utility model constructs multi-mode lighting system by integrating liftable rotating annular light source, adjustable arc-shaped light supplement unit and reversible locking side light source, realize all-around, self-adapting illumination adjustment to lithium battery pole piece, effectively eliminate reflection and shadow, significantly improve the accuracy and adaptability of size measurement.

The utility model discloses tunnel monitoring equipment, which is characterized in that a fixed support is arranged at the top of a tunnel, a rotary holder is mounted below the fixed support, a mounting box is arranged on the rotary holder, a semicircular camera window is arranged on the front side of the mounting box, a monitoring camera is arranged in the mounting box, and a lens of the monitoring camera is aligned with the camera window. Meanwhile, a cleaning assembly is arranged, an arc-shaped positioning block is matched with the camera window, the two ends of the arc-shaped positioning block are rotationally connected with the mounting box, the surface of the positioning block is covered with double-faced plush wiping cloth and makes contact with the camera window, and the positioning block is of a hollow structure, is provided with a plurality of water outlet holes communicated with a water inlet pipe and can spray water for cleaning. In addition, an air blower is arranged on the supporting frame connected with the mounting box and can blow air to the camera shooting window. The equipment is mainly used for real-time monitoring in a tunnel, and can effectively ensure the clearness of a monitoring picture.

The application discloses a pipeline displacement detection device and a use method thereof and belongs to the technical field of pipeline detection. The pipeline displacement detection device comprises a U-shaped mounting plate and further comprises a first ball seat rotatably arranged on the inner side of the U-shaped mounting plate through a first pin shaft, a second ball seat rotatably arranged on the inner side of the first ball seat through a second pin shaft, a first detection assembly arranged on the U-shaped mounting plate, a second detection assembly arranged on the first ball seat, and a connecting part connected with the second ball seat at one end and provided with a clamping part for clamping a pipeline body at the other end. The pipeline three-dimensional displacement is mechanically decoupled through two-stage orthogonal ball hinges and an axial sliding rod, and precise measurement is realized in cooperation with a gradient slope and a laser sensor. The installation adaptability is improved through a telescopic adjusting pipe and a universal ball. Length rigid locking is realized through a clamping trigger automatic locking structure, and the pipeline displacement detection device is suitable for long-term online monitoring in a harsh industrial environment.

This utility model discloses a single-track liftable coal conveyor belt inspection system, relating to the field of coal conveyor belt inspection technology. It includes an inspection box and a traveling track. The inspection box is equipped with a traveling mechanism, and an electric telescopic rod is fixedly installed inside the inspection box. An inspection camera body is fixedly installed at the bottom of the electric telescopic rod. This single-track liftable coal conveyor belt inspection system, through the combined use of cleaning components and a cleaning structure, sprays cleaning fluid in a ring onto the inspection camera body, covering it with the cleaning fluid. Simultaneously, a drive motor drives a rotating rod to rotate, which in turn drives an external gear ring to rotate, causing a rubber scraper to rotate around the outside of the inspection camera body. The rubber scraper cleans away coal dust from the outside of the inspection camera body, ensuring clear images captured by the camera and improving inspection effectiveness.

The application belongs to the field of image correction, and specifically discloses a kind of image geometric-shading suppression joint correction method and system based on hybrid architecture deep network, method includes as follows: image preprocessing, image block shading suppression, image integration splicing. Through the collaborative work of multi-scale deformable document correction and image block shading suppression, the visual quality of the document image and the accuracy of subsequent OCR extraction are effectively improved, the application is suitable for various image documents, and can also process the geometric and illumination distortion problems of the document image, realize automatic correction, thereby improve the efficiency of acceptance.

The application provides a recycling device of cleaning solvent, which comprises a filter box, a coaming fixedly connected to the upper end surface of the filter box, a filter plate installed at the bottom of the coaming inner cavity, a support ring fixedly connected to the upper portion of the filter box inner cavity wall, a filter device installed on the upper end surface of the support ring, a separation box fixedly connected to the right side of the filter box, a stirring box fixedly connected to the top end surface of the separation box inner cavity, a liquid delivery pipe fixedly connected to the middle portion of the right end surface of the filter box, the liquid delivery pipe extending through to the inside of the stirring box, a stirring device arranged in the stirring box inner cavity, an air extraction pipe fixedly connected to the upper portion of the right side of the stirring box, an air extraction pump fixedly connected to the upper portion of the right end surface of the separation box, the air extraction pipe being fixedly connected to the air extraction pump at the tail end, a condenser pipe fixedly connected to the tail end of the air extraction pump gas outlet, a recovery box fixedly connected to the lower portion of the right end surface of the separation box, and the condenser pipe being fixedly and continuously connected to the upper portion of the recovery box at the tail end, which has the advantages of simple structure, convenient operation and effective resource saving.

This utility model discloses a positioning and toner control drum developing assembly, relating to the field of printer technology. It includes a mounting housing, a developing mechanism disposed within the mounting housing, and a cleaning mechanism disposed within the mounting housing. The cleaning mechanism includes: two fixing members disposed on the mounting housing; a first micro motor disposed within the fixing members; a first connecting shaft disposed at the output end of the first micro motor; a first cleaning member disposed on and fixedly connected to the first connecting shaft; a first mounting plate disposed within and fixedly connected to the mounting housing; and a first scraper disposed on the first mounting plate. By incorporating the cleaning mechanism, this device can effectively clean the developing roller and photosensitive drum during operation, ensuring long-term use and maintaining clear images.

The utility model relates to the technical field of industrial kilns, in particular to a rotatable industrial television device for high-temperature light supplement of an industrial kiln, which comprises a furnace wall, and a mounting seat is arranged on the inner wall of the furnace wall. The industrial television mechanism is arranged on the inner wall of the mounting seat; the industrial television mechanism comprises an equipment shell slidably connected to the inner wall of the mounting base, a camera lens is arranged on the inner wall of the top of the equipment shell, a light supplementing light source is mounted on the inner wall of the bottom of the equipment shell, and a cooling gas interface is formed in the outer wall of one side of the bottom end of the equipment shell; according to the utility model, the camera can perform multi-angle rotation, an omnibearing monitoring visual angle is provided, all areas in the kiln can be observed conveniently, the high-resolution camera is adopted, clear images and videos can be captured, real-time monitoring and subsequent analysis are facilitated, and an operator can remotely adjust the angle, focal length and light supplementing intensity of the camera through the control system, so that the monitoring accuracy is improved. And an optimal monitoring effect can be obtained.

The utility model discloses an automobile sun shield, and belongs to the technical field of automobiles. The sun shield comprises a sun shield assembly, the sun shield assembly comprises a sun shield body, a rotating shaft is installed on one side of the top end of the sun shield body, a clamping rod is arranged on the other side of the top end of the sun shield body, a containing groove is formed in the bottom end of the sun shield body, an extension plate is arranged in the containing groove in an inserted mode, and a sliding block is arranged on one side of the extension plate. An inserting rod is inserted into one side of the outer wall of the sun shield body, a spring is arranged at one end of the inserting rod, a groove is formed in the top face of the sun shield body, a cosmetic mirror is installed in the groove, and sliding grooves are formed in the two sides of the groove. Through cooperation of the sun shield body, the sliding block, the insertion rod, the spring and the cleaning brush, one-key release is achieved by pulling the insertion rod open, the sun shading range is expanded through the extension plate, the extension plate is flush with the body when stored, attractiveness is guaranteed, no extra space is occupied, the overall structure is compact and practical, and a cosmetic mirror is cleaned through sliding of the cleaning brush; daily maintenance is facilitated and the mirror surface is kept clear.

The utility model provides a kind of adjustable goods volume measuring equipment, comprising: the platform, the side edge of the platform is provided with lifting mechanism, the two sides of the lifting mechanism are provided with slide rail, and the middle part of the lifting mechanism is provided with screw rod, the lifting mechanism slidingly is provided with light shield, camera and distance measuring sensor are installed in the inside center of the light shield, computer display and electronic scale display are installed in the lifting mechanism close to the side of the platform;The platform is provided with scale table above, and the scale table is embedded with positioning mechanism;The inside of the platform is provided with cavity, the cavity is configured to place computer, the utility model automatically corrects the position of goods by positioning mechanism, adjusts the distance between camera and goods in combination with lifting mechanism, changes ambient light source to improve the accuracy of camera snapshot, improves the measuring efficiency and accuracy, and is suitable for multiple fields.

The utility model relates to the technical field of cameras, and discloses a tracking camera using AI artificial intelligence identification, which comprises a camera main body, a cleaning mechanism, a protection mechanism, a mounting mechanism and an adjusting bracket, and is characterized in that the side surface of the camera main body is fixedly connected with the inner wall of the side surface of the adjusting bracket; the top end of the adjusting frame is fixedly connected with the bottom end of the camera body, and the side face of the protection mechanism is movably connected with the inner wall of the side face of the mounting mechanism. The protective cover made of transparent materials covers the bottom of the base to protect the camera body, the driving motor drives the driving gear to rotate in the shooting process, the driving gear and the driven gear are meshed to drive the protective cover to rotate at a high speed, the protective cover generates centrifugal force, and the camera body is protected. Sundries attached to the surface of the protective cover splash all around under the action of centrifugal force, the surface of the protective cover is automatically cleaned, it is avoided that the sundries are attached to the surface of the protective cover, it is ensured that pictures shot by the camera body are clear, and equipment cleanliness is easily kept.

This utility model discloses a flocculation and decolorization device for papermaking wastewater, relating to the field of papermaking equipment technology. It includes a wastewater collection tank, a flocculation tank, and a sedimentation tank. A flocculation tank is located on one side of the wastewater collection tank, and a sedimentation tank is located on the other side. A pH sensor, an acid dosing pump, and an alkali dosing pump are fixedly connected to the inner wall of one end of the wastewater collection tank, with the dosing ports extending into the tank. An inlet is provided at the input end of the flocculation tank, and a coagulation pipe is fixedly connected thereto. A PAC dosing pump, a decolorizing agent dosing pump, and a PAM dosing pump are sequentially and fixedly connected to the outer wall of one side of the coagulation pipe along the water flow direction. The wastewater collection tank uses a pH detection device to adjust the pH value of the wastewater in a timely manner. Simultaneously, the coagulation pipe and the flocculation tank work together to ensure that the chemicals react fully and sequentially, allowing the dyes or pigments in the papermaking wastewater to be completely adsorbed onto the surface of the pulp fibers and flocculated into clumps. The effluent structure of the primary sedimentation tank reduces the flow rate of the clear water after sedimentation, ensuring clear water quality.

The utility model discloses a boiler combustion device which comprises a combustion bin, a bearing frame is arranged on the upper surface of the combustion bin, a recovery bin is arranged at the lower end of the front side of the combustion bin, an operator can directly observe the state of flames in the combustion bin through an observation window, and the color, shape and stability of the flames can reflect the sufficient degree and efficiency of combustion. In addition to observation of flames, combustion conditions of fuel in the combustion bin can be observed, for example, whether the fuel is uniformly distributed in a combustion area or not and whether the phenomenon of coking or carbon deposition exists or not, and in the combustion process of the boiler, dust in the environment and tiny particles generated by combustion may be attached to the surface of the observation window. The dust and dirt can be scraped off regularly or irregularly through the scraping rod, it is ensured that the observation window is kept clear all the time, and therefore an operator can accurately observe the conditions, such as the flame state and the fuel combustion condition, in the combustion bin through the observation window, and misjudgment cannot be generated due to the fact that the observation window is fuzzy.

The application belongs to the technical field of lighting equipment, and particularly relates to a glare-proof educational lighting lamp, which aims at the problem that the existing light-shielding plate structure of the lighting lamp cannot be self-adaptively controlled according to the light intensity of the environment, and the following scheme is proposed, which comprises a lamp shade, a support, a bottom fixedly connected with the bottom of the support, an upper side of the support fixedly connected with the lamp shade away from the bottom, and an inner wall of the lamp shade provided with a bulb, a connecting ring, the upper side of the connecting ring fixedly connected with the bottom of the lamp shade, and four light sensors. The glare-proof educational lighting lamp disclosed in the application can make the device judge the fiber intensity or brightness in the environment, automatically reduce the light transmittance of the device in a strong light environment, reduce glare, improve the light transmittance of the device in a weak light environment, ensure clear vision, and thus improve the use experience of the user and reduce the eye fatigue of the user.

The utility model discloses an oxygen supply mask and an oxygen supply mask with a ventilation pipeline, and the oxygen supply mask comprises a mask body, an annular air bag and an air intake and exhaust control assembly, an oxygen supply pipe is installed on the mask body, a hard bite block pipe and a hard flange are integrally formed on the mask body, and the hard flange is located on the outer wall of the mask body. An air pipe joint is mounted on the annular air bag; the air inlet and exhaust control assembly is installed on the mask body. The oxygen supply mask with the ventilation pipeline comprises an oropharynx ventilation catheter, a mask body, an annular air bag and an air intake and exhaust control assembly. According to the utility model, the closed state of the gap between the central cavity and the endoscope can be adjusted, and the convenience and safety of endoscopic examination are improved while the oxygen introduction efficiency is improved.

The utility model discloses a giant spiny frog breeding pond device which comprises a breeding pond, supporting rods are fixedly connected to the four corners of the upper portion of the breeding pond, a shading device is arranged above the supporting rods, a filtering device is arranged behind the breeding pond, and a thermometer is fixedly connected to the rear portion of the interior of the breeding pond. An oxygenation pump is installed on the left side in the culture pond, a door body is rotationally connected to the right side of the culture pond, a stepped platform is fixedly connected to the right side in the culture pond, a smooth tile is installed above the left side of the stepped platform, and a water level line is fixedly connected to the right side in the culture pond. A sludge cushion layer is laid at the bottom of the right side of the culture pond, and a coarse sand cushion layer is laid on the sludge cushion layer. Through the structure, the water quality can be closer to the standard of the water quality required by the giant spiny frog in a multi-filter-material filtering manner; the hibernation of the giant spiny frogs can be better assisted, and the overall breeding quality is improved.

This utility model relates to a track-type temperature monitoring device for electrolytic cells, comprising a mounting frame with a main control circuit board at the center of its bottom side. A first motor drives a first arm at one end, and a second motor drives a second arm at the other end. A third arm is rotatably connected to the end of the second arm. A threaded sleeve is provided at the intersection of the first and third arms, and a protective cover is connected below the threaded sleeve. A thermal imaging camera is housed within the protective cover. Slide rails are provided on both sides of the protective cover, and a mounting shell is installed on the outer slider of the slide rails. A take-up / release roller and a stepper motor are housed inside the mounting shell, with a protective film wound on the take-up / release roller. Driven by the first and second motors, the thermal imaging camera can be flexibly rotated at multiple angles, expanding the monitoring range; the stepper motor drives the take-up / release roller to promptly replace dirty or worn protective film, ensuring a clear monitoring line of sight. This device effectively solves the problems of inflexible rotation and inconvenient cleaning of protective films in existing temperature monitoring devices, improving the comprehensiveness and accuracy of temperature monitoring in electrolytic cells.

The utility model discloses a pipeline spraying device, which belongs to the technical field of pipeline spraying and comprises a fixing disc, and a mounting plate is fixedly mounted at the right end of the fixing disc. An inner support fixed moving mechanism is mounted at the left end of the fixed disc and on the mounting plate; a surrounding cleaning mechanism used for cleaning the interior of the pipeline to avoid spraying dust accumulation is installed on the fixing disc and the connecting rod. The surrounding cleaning mechanism comprises a cleaning driving assembly, a cleaning angle adjusting assembly and a cleaning brush plate. And an atomizing nozzle is mounted at the left end of the cleaning driving assembly. Through the mode, the device can clean the inner walls of pipelines with different inner diameters, and can clean and spray different parts of the pipelines; scale and deposited mud can be regularly cleaned at the deeper position of the inner wall of the pipeline, and the smoothness and the spraying effect of the pipeline are kept.

The utility model relates to the field of water ecological restoration, in particular to a device for planting and observing submerged plants in situ, which comprises an overwater device, an underwater device and a fixing rod, the overwater device is connected with the fixing rod and can move up and down along the fixing rod, and the underwater device is arranged below the overwater device. The overwater device comprises a floating bed and a framework arranged on the floating bed, and is characterized in that the framework comprises a first frame and a second frame, the first frame is arranged above the second frame, a plurality of supporting rods are further arranged between the first frame and the second frame, one end of each supporting rod is fixed to the first frame, and the other end of each supporting rod is fixed to the second frame. According to the device, the double-layer frame is arranged and matched with the supporting rods to form a groove-shaped structure, so that the floating bed is clamped and fixed, and the device is simple in structure, low in manufacturing cost, high in practicability, convenient to manufacture and capable of being massively manufactured according to needs to meet experiment requirements.

The application discloses a zoom lens, which comprises, in sequence along an optical axis from an object plane to an image plane, a focusing lens group, a diaphragm and a zoom lens group; the focusing lens group and the zoom lens group are arranged to be movable along the optical axis direction; the focusing lens group has negative optical power, and the zoom lens group has positive optical power; in the zoom lens, the number of lenses with optical power is 10; the focusing lens group comprises a first lens, a second lens and a third lens with optical power; and the zoom lens group comprises a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens with optical power. The technical scheme of the application can realize the zoom lens with small size, large aperture, full-waveband confocal in a 436nm-850nm waveband, high image quality and other excellent characteristics.

The utility model discloses a character identifying and scanning device, which relates to the technical field of character identifying and scanning, and comprises a working table, one side of the working table is fixedly connected with a mounting plate, the top of the mounting plate is fixedly connected with a supporting block, a positioning assembly is arranged above the working table, a lifting assembly is arranged above the supporting block, and the lifting assembly is fixedly connected with the working table. The beneficial effects of the utility model are that through the arrangement of the positioning assembly, the reset spring and the connecting block, the two sides of a text can be conveniently positioned, and the two sides of a book can be accurately positioned, so that all characters and image information on the book can be completely captured; according to the technical scheme, a user can find the optimal focal length position more easily, it is ensured that scanned images are clear, the phenomena of blurring and distortion caused by too small paper characters, pictures and symbols are avoided, and the scanning quality of the scanner is improved.

This utility model proposes an unattended license plate recognition integrated machine, belonging to the field of vehicle management technology. It includes two sets of mounting plates symmetrically arranged. A first protective shell is mounted on the top of each mounting plate, and a second protective shell is mounted on top of the first protective shell. A recognition component is disposed between the mounting plates. The recognition component is used to recognize vehicle license plates and release vehicles. The recognition component includes an electric telescopic rod and a drive motor. The electric telescopic rod is bolted into the first protective shell, and the drive motor is bolted into the second protective shell. A transmission screw is mounted on the output end of the drive motor. A winding wheel is sleeved on the top of the transmission screw, and a screw nut is sleeved on the outside of the transmission screw. A blocking plate is mounted on the side wall of the screw nut. This utility model, by incorporating the recognition component, can quickly and accurately recognize vehicle license plates and quickly release vehicles.

The utility model relates to the technical field of medical apparatus and instruments, especially to a compound motion's ultrasonic osteotome and ultrasonic operating handle, including sword stem and the sword head connected in sword stem front end, the sword stem includes the handle section and transition section gradually from back to front, and the transition section includes amplitude section and the extension section connected in amplitude section front end, the sword stem and the sword head form the suction passage of axis extension, the suction passage can be used for connecting negative pressure equipment to enable the front end of sword head to attract medium, the extension section is evenly opened with a plurality of twist grooves on the circumference, the extension direction of twist groove is consistent with the included angle of extension section axis after the outer wall of extension section is unfolded, and its beneficial effect is that under the action of twist groove, the sword stem not only can reciprocate axially after being connected with ultrasonic transducer, but also can twist axially, and further, the cutting efficiency is greatly improved. Through setting the angle as the consistent form, the twist balance and twist amplitude can be optimized, and further, the cutting effect of the ultrasonic osteotome is further improved.

The utility model relates to the technical field of workpiece machining, in particular to a frequency converter shell machining fixing device which comprises a supporting frame, a collecting hopper and a fixing frame, a containing groove is formed in the supporting frame, an object placing plate is rotatably installed in the containing groove, and the collecting hopper is installed on the outer wall of the lower end of the supporting frame. Movable grooves are formed in the two sides of the inner wall of the collecting hopper, sealing gaskets are fixedly adhered to the inner walls of the movable grooves, fixing frames are installed on the outer walls of the two sides of the collecting hopper, push rod bodies are installed on the outer walls of one sides of the fixing frames, and jacking columns are installed on the outer walls of the upper ends of the push rod bodies. The collection hopper is kept clean and smooth, it is ensured that the device is easy to clean and maintain, and the use convenience and sanitation of the device are improved.

This invention discloses a peripheral defocus lens assembly, comprising: a base lens that generates perspective power for transmitted light; a single image source disposed at the edge of the base lens near the eye and away from the base lens; and multiple beam-splitting surfaces embedded in the base lens and distributed within the base lens at different tilt angles, the central normals of the multiple beam-splitting surfaces being inclined relative to the central normal of the lens towards the side where the image source is located; the light illumination range of the single image source covers all beam-splitting surfaces; each beam-splitting surface and the shared image source form a defocus unit, each beam-splitting surface reflecting the light emitted from the image source to form converging light rays directed towards the exit pupil, forming a defocused image after entering the eye; the multiple defocused images formed by the reflections of the multiple beam-splitting surfaces are distributed in the peripheral field of vision. This invention also discloses eyeglasses including the above-described peripheral defocus lens assembly, used to achieve defocus stimulation, inhibit axial elongation, and achieve the purpose of myopia control.

This utility model provides a quick-release, scale-based self-calibrating damping adjustment knob for a shock absorber, belonging to the technical field of vehicle suspension systems. It includes a connecting sleeve, an adjusting seat assembly, an adjusting valve core, a cylindrical pin, a nut cover, and an adjusting knob. The adjusting seat assembly includes an adjusting seat, and the adjusting valve core has a corrugated adjusting groove on its circumferential surface. A pin hole is radially opened on the adjusting seat, and the cylindrical pin passes through the pin hole and inserts into the corrugated adjusting groove to achieve the gear shifting function when the adjusting valve core rotates relative to the adjusting seat. The nut cover is threaded to the upper end of the connecting sleeve, pressing the adjusting seat assembly against the connecting sleeve. The upper end of the adjusting valve core passes through the nut cover and connects to the adjusting knob. In this utility model, the cylindrical pin radially passes through the pin hole and inserts into the corrugated adjusting groove to form a gear shifting fit, creating a physical angular constraint. This completely eliminates circumferential deviation caused by the threaded fit, ensuring clear gear shifting and consistency of symmetrical gear shifts, thereby ensuring the stability of vehicle handling.

The utility model relates to the technical field of cosmetic mirrors, in particular to an anti-fogging cosmetic mirror which comprises a mirror frame, one side of the mirror frame is connected with a mirror body, one side of the mirror body is connected with an electric heating wire, clamping grooves are symmetrically formed in the two sides of the mirror frame, a suction fan is arranged in the clamping groove in one side, and a blower is arranged in the clamping groove in the other side. An air channel is formed in the mirror frame, air grooves are symmetrically formed in the two ends of the air channel, two sets of first fixing blocks are symmetrically arranged in the clamping groove, the first fixing blocks are connected with first rotating shafts, first rotating frames are connected to the outer sides of the first rotating shafts, and second rotating shafts are connected to one sides of the first rotating frames; and the second rotating shaft is connected with an auxiliary mirror. According to the cosmetic mirror, a self-circulation ventilation structure is formed by arranging the suction fan, the air blower, the air duct and the air groove, water mist is quickly dispersed, the electric heating wire is matched, the surface temperature can be increased by heating the mirror face, water vapor condensation is reduced, and the anti-fog effect is further enhanced.

The present application relates to a kind of based on multi-sensor fusion's heading machine tracking positioning method, belong to heading machine positioning technical field.The method includes: fixedly installing total station in the roadway top behind the heading direction of heading machine, suspending tracking positioning robot in the guide rail above roadway, carrying binocular camera, strapdown inertial navigation system on tracking positioning robot, installing infrared target plane on the body of heading machine;Control tracking positioning robot moves to the best observation distance interval of binocular camera, and obtains the target image of infrared target plane collected by binocular camera;According to target image, calculate camera-carrier rotation matrix and camera-carrier translation matrix;Obtain the attitude of tracking positioning robot relative to navigation coordinate system;According to camera-carrier rotation matrix, camera-carrier translation matrix, the attitude of tracking positioning robot relative to navigation coordinate system and coordinate system conversion relationship determine the pose of heading machine.The present application can continuously track and locate heading machine.