229results about How to "Avoid accidental injury" patented technology

The invention discloses an intelligent agricultural weeding track control system, which relates to the field of agricultural related technologies and comprises an identification and positioning module, a track planning module, a navigation optimization module, a collaborative operation module and a man-machine interaction module. The invention further discloses an intelligent agricultural weeding track control method which comprises the steps that the unmanned aerial vehicle or the ground robot cruises above a farmland or on the ground, the depth camera collects farmland image data in real time, the image processing unit conducts denoising, filtering and edge detection processing on the original image data collected by the depth camera, and the weeding track is obtained. The two-dimensional image and the three-dimensional point cloud data are registered, so that the two-dimensional image and the three-dimensional point cloud data are consistent in space, and weeds and crops are distinguished through an image recognition technology. Through the path planning algorithm, the optimal weeding path can be calculated according to the actual terrain, weed distribution and obstacle conditions of the farmland, blind walking and repeated operation of the robot in the operation process are avoided, and therefore the weeding efficiency is greatly improved.

The invention discloses an intelligent tobacco leaf picking manipulator and a picking method.The manipulator comprises a mechanical arm, the tail end of the mechanical arm is provided with a binocular camera and an end effector, the end effector comprises a driving motor, a connecting module, a tobacco leaf cutting mechanical claw and an anti-scraping ball mechanical claw, and the two sets of mechanical claws are arranged in parallel up and down; the tobacco cutting mechanical grippers are arranged in parallel, are connected with an output shaft of the driving motor through a connecting module and are driven by the driving motor to perform opening and closing actions, two concentric circles surrounding a tobacco rod can be formed when the tobacco cutting mechanical grippers are closed, a cutting circle formed by the upper tobacco cutting mechanical grippers is larger than the periphery of the tobacco rod, and an anti-scraping circle formed by the lower anti-scraping ball mechanical grippers makes contact with the periphery of the tobacco rod. During working, the binocular camera positions the position of a tobacco stem and transmits the tobacco stem to the upper computer, the mechanical arm moves the end effector to the positioning position according to position information, the closed mechanical claw surrounds the tobacco stem, and when the anti-scraping ball mechanical claw moves upwards, the tobacco cutting mechanical claw cuts tobacco from bottom to top. The device has the advantages of high picking efficiency, low breakage rate, high adaptability and the like.

The utility model relates to an insulin treatment cart. The insulin treatment cart comprises a frame; the operation table top is arranged at the top end of the frame and comprises a special injector box for placing an insulin injector, a special blood glucose testing box for placing related tools for testing blood glucose and a blood glucose meter placing frame for placing a blood glucose meter, and a sharp instrument box for conveniently recycling a needle head of the insulin injector is arranged in the special blood glucose testing box; the sharp instrument box comprises a box body and a box cover detachably arranged at the top of the box body, a dismounting hole is formed in the end face of the box cover, a dismounting ring is arranged in the dismounting hole, and a plurality of clamping blocks matched with the peripheral wall of a needle of the insulin syringe are arranged on the inner end face of the dismounting ring in the circumferential direction at intervals. And the drawer is arranged below the operation table top. Compared with the prior art, insulin for diabetes treatment and related tools can be placed in the insulin storage box in a standard mode, meanwhile, the insulin needle recycling box is arranged, medical workers are prevented from being punctured by needles, and the medical workers can conveniently find related articles and discard the needles after injection.

The invention relates to the technical field of laser cutting, and discloses a laser cutting platform control system based on image recognition, which comprises an equipment unlocking module, an equipment control module and a cutting control module, the equipment unlocking module comprises a face recognition module and an electrical equipment unlocking module; the equipment control module comprises an image acquisition module, a coordinate establishment module and a cutting control module; and the equipment unlocking module is used for carrying out limited unlocking on the equipment control module and the cutting control module by the electrical equipment unlocking module according to a face verification passing instruction of the face recognition module. The equipment control module is used for collecting information of the four positioning stickers on the plate, so that cutting coordinates can be established according to the position of the plate, the plate is cut according to the cutting coordinates, the plate can be placed on the cutting platform at any angle to be cut through the design, and the cutting efficiency is improved. And the laser cutting operation can be carried out without positioning the plate.

The present invention relates to the technical field of pork detection, and proposes a real-time detection device for pork storage and transportation, comprising an adsorption member, the adsorption member having an adsorption end, the adsorption end being used to absorb a part of the pork; a cutting member having a connecting portion and a cutting portion, the connecting portion having a rotating end and a mounting end, the rotating end being rotatably arranged on the adsorption member, the cutting portion being located at the mounting end, and the distance from the rotating end to the mounting end being greater than the distance from the rotating end to the adsorption end. Through the above technical solution, the problems of detection efficiency, labor cost, cross infection, etc. existing in the manual cutting sampling detection in the prior art are solved.

The utility model discloses a steel strand tension strength detection device, which relates to the technical field of tension detection, and comprises a shell, the right end of the shell is fixedly provided with a stretching rotation structure, the top of the shell is fixedly provided with a protection structure, the stretching rotation structure comprises four guide rods, and the four guide rods are fixedly arranged on the shell. The left sides and the right sides of the four guide rods are rotationally connected to the four corners of the left side and the right side in the shell, the outer walls of the four guide rods are slidably connected with the four corners of the mounting base correspondingly, the upper position and the lower position of the middle of the mounting base are in threaded connection with first threaded rods correspondingly, and the right ends of the two first threaded rods extend out of the right end of the shell. According to the device for detecting the tensile strength of the steel strand, the steel strand can be rotated while being subjected to tensile strength detection under the action of the tensile rotating structure, so that the stress state of the steel strand in actual use can be simulated, and the strength and the performance of the steel strand can be evaluated more accurately; and a more reliable basis is provided for actual use.

The utility model relates to the technical field of metal plate stamping feeding, in particular to a feeding mechanism for metal plate stamping forming. In order to solve the problems that according to an existing feeding mode, the potential safety hazard that a machine hurts people exists, a punched metal plate is inconvenient to take out, and therefore feeding and punching work is difficult, the following technical scheme is provided that the metal plate punching device comprises a working frame, and a punching mechanism for punching the metal plate is arranged at the top of the working frame; a pushing mechanism for pushing out the metal plate subjected to punch forming is arranged below the working frame, and a first feeding mechanism for conveying the metal plate is arranged in the working frame. According to the metal plate feeding device, metal plates with different thicknesses can be pushed, meanwhile, under the action of the conveying belt and the shifting plates, the feeding purpose is achieved, and through cooperation of the push rod motor and the carrying plate, a worker can conveniently take out the punched and formed metal plates.

The utility model discloses a chipping anti-splashing device of a numerical control vertical milling machine, which comprises a base, the top surface of the base is fixedly provided with a workbench and a support column, and the support column is fixedly arranged on the top surface of the base; the top plate is fixedly mounted at the top end of the supporting column; the electric telescopic rod is fixedly mounted on the top surface of the top plate; the fixed box is fixedly mounted at the output end of the electric telescopic rod; the protective cover is fixedly mounted on the bottom surface of the fixed box; and the machining mechanism is arranged on the fixing box and used for machining the workpiece. According to the chipping splashing prevention device of the numerical control vertical type turning and milling machine, generated chippings can be prevented from splashing during workpiece machining, workers are prevented from being accidentally injured, the use safety is improved, meanwhile, the chippings adhering to cutters are cleaned, the use effect is guaranteed, and stable and effective use of the numerical control vertical type turning and milling machine is guaranteed.

The present invention provides a laser welding device for manufacturing a distribution cabinet, which relates to the technical field of distribution cabinet manufacturing, and includes: a mounting frame, a welding mechanism, a multifunctional mechanism and a control mechanism; an air intake pipe is fixedly mounted on the mounting frame, and the air intake pipe is connected to an external negative pressure exhaust pipe; a control box is fixedly mounted on the right side of the mounting frame; two rows of semicircular protrusions are fixedly mounted on the mounting frame; the welding mechanism is mounted on the mounting frame; the multifunctional mechanism is mounted on the mounting frame; the control mechanism is mounted on the mounting frame; when the control button of the present invention is in a pressed state, the control box controls the operation of the laser welding head, thereby ensuring the same spacing between welding spots and improving the welding accuracy; the problem that when spot welding processing of distribution cabinet components is required, the staff needs to manually control the spot welding position, resulting in a certain difference in the spacing between welding spots after spot welding, which affects the spot welding processing accuracy of distribution cabinet components is solved.

The utility model discloses an outdoor power distribution device with a lightning protection structure, which relates to the technical field of power distribution devices and comprises a power distribution cabinet, a door body is mounted on the open side of the power distribution cabinet, a mounting block is fixed on one side, close to the door body, of the side wall of the power distribution cabinet, and a lightning arrester is mounted on the mounting block; one side of the mounting block is in sliding connection with an insulating shell used for covering the lightning arrester, the insulating shell is a transparent acrylic plate, a grab handle is fixed to the side, away from the mounting block, of the insulating shell, a clamping assembly is mounted on the insulating shell, and the clamping assembly is used for stably clamping the insulating shell to the outer wall of the mounting block; the insulating shell covers the lightning arrester, so that an operator can be effectively prevented from being accidentally injured due to misoperation; and the insulating shell and the mounting block adopt the design of combining sliding connection with the clamping assembly, so that the lightning arrester can be quickly exposed only by easily sliding the insulating shell when operation and maintenance personnel carry out regular inspection tour and performance detection, and the maintenance is convenient.

The utility model provides a palm work multifunctional all -in -one, including base, be provided with on base: beat board, with base hinged, its hinged point is equipped with interval between the gravity center of beat board, speed reducer motor, drive rod, its one end with the drive end fixed connection of speed reducer motor, the other end makes the circular motion, is used for driving beat board one end to drop or to separate beat board, when drive rod separates beat board, the other end of beat board moves freely under the action of gravity and strikes hand. Through the beat board automatic hammering of speed reducer motor drive, convert traditional passive beating training into active force mode, utilize beat board gravitational potential energy conversion impact force, improve the bone density of hand significantly.

The utility model discloses a machine body with detachable and overturnable cover plate on slicing machine, including host, the host inside is the through -hole setting, and the host inside of through -hole has installed the installation site for cutter group, the upper port of host is provided with the cover plate, the host with overturning connecting piece is connected between the cover plate, and the cover plate is opened and has the inlet. The utility model discloses the machine body structure that the user can open or close easily and quickly more conveniently is designed, and it is more relaxed and convenient to operate, and can satisfy the use demand of user more.

The application provides a construction system and device of a non-human animal model of tension pneumothorax, and the system comprises: a fixing unit for fixing the non-human animal; a first processing unit for puncturing a puncture needle to the parietal pleura, making a guide wire pass through the needle cavity of the puncture needle to enter the pleural cavity, and withdrawing the puncture needle; a second processing unit for inserting a catheter along the guide wire to make the catheter enter the pleural cavity, pulling out the guide wire, and fixing the catheter; a third processing unit for unidirectional air injection into the pleural cavity through the catheter; and a fourth processing unit for monitoring the range of pneumothorax, determining that the non-human animal model of tension pneumothorax is obtained when the lung sliding of the injection side chest is greater than or equal to 4 / 6 area and lung points are observed, stopping air injection, and obtaining the non-human animal model of tension pneumothorax. The construction success rate of the application is 100%, the construction process is rapid, repeatable and objective in determination, and the application can provide a rapid and repeatable platform for diagnostic research, decompression technology evaluation and training.

This utility model discloses a cable end crimping tool, relating to the technical field of crimping tools. It includes a crimping pliers head with an installation mechanism for cable end crimping. The installation mechanism includes a positioning component, comprising a connecting block fixed to the front end of the crimping pliers head. This utility model achieves quick disassembly and installation of the crimping connector through a locking component, facilitating the replacement of crimping connectors of different specifications to accommodate different cable ends. Then, two sets of clamping plates in the elastic component, under the elastic force of a first spring and guided by a first telescopic rod, clamp and fix the crimping mold from both sides. Anti-slip grooves on the clamping plates increase friction with the crimping mold, preventing mold slippage during crimping. The spring clamping structure of the elastic component can adapt to crimping molds of different sizes, improving tool versatility, reducing manual support of the crimping mold, and avoiding accidental injury to workers during crimping.

The utility model discloses a handheld part and pruning machine, wherein the handheld part comprises a main machine, a main handle and a battery pack, the main handle is detachably installed at the rear end of the main machine, and the battery pack is detachably installed at the main handle. The utility model changes the inseparable installation mode of the main handle with relatively large space occupation on the handheld part and the main machine in the traditional structure, the main handle is designed to be detachably installed on the main machine, so that the main handle is removed during packaging and transportation, thereby effectively reducing the size of the handheld part, laying a foundation for optimizing the packaging size of the pruning machine, thereby saving the transportation cost. In addition, the battery pack is detachably installed on the main handle, which can ensure the continuous operation of the main machine by replacing the battery pack, and further saves the packaging space. The battery pack is disassembled and packaged, making the transportation and packaging design more flexible.

The present invention discloses a telescopic 3D printed osteotomy surgical guide with a double locking structure, including a left plate body and a right plate body integrally formed by 3D printing, and a telescopic structure for realizing the relative telescopic extension of the left and right plates. With the osteotomy surgical guide of the present application, on the one hand, all components are integrally formed by 3D printing, and the components are mutually limited or nested, that is, the relative movement between the components is satisfied, and the mutual slippage between the components is avoided, which is beneficial to improve the safety and convenience of the surgical process. On the other hand, it has the function of telescopic adjustment, so that it is in a smaller volume state when placed in the incision, and adjusted to a larger volume state after being placed in the incision, which greatly improves the flexibility and convenience of the surgical process. After its volume deformation is completed, it can be stabilized in the working state to avoid being affected by the pulling of the maxillofacial muscles and affecting its volume and shape, ensuring the positioning accuracy, and at the same time, the double locking structure can prevent accidental unlocking.

The utility model relates to the technical field of bagging machine sealing, and discloses a bagging machine sealing device which comprises a bagging machine sealing device shell, an L-shaped movable lifting groove is formed in one side of the interior of the bagging machine sealing device shell, and a sealing hot melting pipe storage groove is formed in the outer side of the L-shaped movable lifting groove. A packaging bag placing inlet is formed in the bottom of the L-shaped movable lifting groove and the bottom of the sealing hot melting pipe storage groove. According to the sealing device of the bagging machine, the lifting state of the L-shaped movable block can be controlled by lifting or pressing the pressurizing plate structure, when the sealing device of the bagging machine is not used, a punching needle and an auxiliary punching groove are combined, the punching needle is prevented from being damaged and broken, carrying is convenient, accidental injury is prevented, and a hot melting pipe is placed at the punching position of a package to be sealed; a package to be sealed is placed between the punching needle and the auxiliary punching groove, then the pressurizing plate structure is pressed, and the two ends of the hot melting pipe are placed on the upper portion and the lower portion of the electric heating base to be heated and pressed, so that sealing operation of the packaging bag is completed.

The utility model provides an industrial robot practical training platform which comprises a supporting table, a lifting area is arranged in the supporting table, a scissor frame assembly is movably connected above the lifting area, a lifting plate is movably connected above the scissor frame assembly, a sliding rod is slidably connected to one side of the lifting plate, a supporting plate is fixedly connected above the sliding rod, and the supporting plate is fixedly connected above the sliding rod. A placing frame is fixedly connected above the supporting plate, a triggering assembly is fixedly connected below the supporting plate, and a driving assembly is rotationally connected to one end of the shear fork frame assembly; according to the utility model, when a user places a workpiece required by practical training demonstration on the supporting plate, the weight of the workpiece presses down the supporting plate to trigger the microswitch, and the placing rack without placing the workpiece cannot move downwards under the support of the spring, so that the workpiece can be placed on the placing rack before the device is started to work; and the corresponding electric screw rod below the supporting plate which does not trigger the microswitch works to enable the lifting plate to descend along with the deformation of the shear fork frame assembly, so that the redundant parts which do not contain the workpieces are moved into a lifting area, and collision is prevented.

The utility model discloses a kind of 48 millimeter detonation bomb of deterrent type hand-throwing type riot, including firing mechanism and medicine box mechanism, firing mechanism includes fuse body, grip piece and needle prick delay detonator, still movably connected with pin shaft and split pin on fuse body, still connected with spring and firing pin block assembly on pin shaft, firing pin block assembly includes firing pin and turnover block, firing pin block assembly has first position and second position, when first position, spring is in compression state under the action of turnover block, and spring reset can drive firing pin block assembly to rotate from first position to second position;Split pin is connected with pull ring;Medicine box mechanism includes shell, inner medicine box and end cover, inner medicine box is filled with detonating agent, needle prick delay detonator extends into detonating agent, filling chamber is opened in shell, filling chamber is filled with paraffin wax.This scheme can emit greater sound and strong light, suitable for use in vast space, and can carry out more accurate strike.

The present invention discloses a screening device for asphalt concrete recycled materials, relates to the technical field of material screening, and solves the problem that asphalt concrete stones stuck on the screening net are pressed through the screening net, causing the mesh holes of the screening net to deform, or causing the asphalt concrete stones to be further stuck on the screening net, resulting in increased difficulty in cleaning the screening net at a later time. The present invention comprises a screening box, a vibrating base is installed at the lower end of the screening box, a plurality of equidistantly distributed screens are installed inside the screening box, and a dredging component is also included for dredging the screen, the dredging component is installed on the lower side of the screen; a driving mechanism is used to drive the dredging component to move; the present invention can push out the asphalt concrete stones blocked in the screen holes of the screen by installing the dredging component and the driving mechanism, so as to achieve the purpose of dredging the screen, and will neither cause the stones to be further stuck in the screen holes of the screen nor cause the screen holes of the screen to deform.

The invention relates to a double-propellant configuration barrel rocket gun, in particular to a smoothbore barrel rocket gun using a double-propellant configuration rocket projectile, and aims to solve the problem that a large-power weapon is long in barrel and large in dead weight due to the fact that killing power of a traditional light weapon and a medium and small caliber gun is limited by barrel bore pressure at present. And the practical requirements that the weapon hit precision is superior to or at least not lower than that of an existing traditional barrel gun and the weapon and ammunition cost does not exceed that of the existing traditional barrel gun can be met. The main technical advantages of the invention are concentrated in the field of medium-and-small-caliber and limited-range direct aiming gun and gun weapons, and can be applied to infantry light weapons, such as pistols (individual self-defense weapons), submachine guns, automatic rifles, sniper rifles and light and heavy machine guns, and medium-and-small-caliber direct aiming artillery, such as tank cannons, antitank cannons, air defense cannons and aviation machine cannons.

The application relates to the technical field of computer vision, and discloses an integrated identification and positioning method and system for farmland weed plant protection operation, which comprises the following steps: synchronously triggering a multi-modal sensor to form a time-aligned multi-modal data group; identifying image data to output crop pixel coordinates and weed pixel coordinates; searching a carrier attitude from pose data according to a time stamp carried by the image; predicting the pose of the carrier after a delay according to a full-link processing delay to obtain predictive crop operation coordinates and predictive weed operation coordinates; transmitting an instruction carrying the predictive weed operation coordinates to an execution mechanism through a real-time bus; and completing a target action in an execution window triggered by a unified clock source timing signal according to the predictive weed operation coordinates. The application can eliminate the influence of random delay jitter on positioning accuracy, provides a crop avoidance reference for target operation, and realizes the dual goals of accurate weed positioning and effective crop protection.

The utility model relates to the technical field of garment processing, and discloses a garment fabric cutting device which comprises a device frame body, an unwinding roller, a fabric cutting part and a plurality of winding rollers are sequentially installed on the device frame body, and the fabric cutting part comprises a configuration frame and a plurality of cutters installed on the configuration frame; the divider comprises a mounting frame, a pressing unit, a switching unit and a dividing knife; the switching unit comprises a switching rod, a limiting rod, a tool apron, a second spring and a gasket; the installation frame comprises a base and a limiting frame installed on the base. By arranging the divider, after a roll of cloth is divided, a worker only needs to press a switching rod to enable a dividing knife to leave a dividing station, at the moment, the worker can directly start to lay a new roll of cloth, and then the switching rod is pressed again to enable the dividing knife to return to the dividing station to continue working; the configuration frame does not need to be frequently disassembled, the subsequent height adjustment work on the configuration frame every time can be omitted, a large amount of time is saved, and the operation efficiency is improved.

This application discloses a bottle and can recycling machine with a protective structure, comprising: a cabinet, an upper cabinet door hinged to the upper front side of the cabinet, and a lower cabinet door hinged to the lower front side. The upper cabinet door has a display screen, an input slot, and a barcode scanning area. The upper front side of the cabinet has an upper opening, and the lower front side has a lower opening. Both the upper and lower openings are equipped with water-resistant baffles. The upper and lower cabinet doors are equipped with waterproof door locks, and both the upper and lower cabinet doors are equipped with waterproof door strips. The inner side of the cabinet is lined with insulation cotton, and the outer side of the display screen is also equipped with a sun-protective surface layer, which is hinged to the upper cabinet door. A limit sensor is installed in the input slot. By adopting the above methods, the sun-protective surface layer effectively slows down the aging of the display screen, and the limit sensor prevents accidental injury to the user. By installing a cooling and heating device in the cabinet, the internal temperature of the cabinet is controlled to ensure that the internal temperature of the cabinet is within a suitable working temperature range, thereby achieving long-term stable operation, extending service life, and resulting in a simple structure, reasonable design, and low cost.

The invention discloses bridge steel structure machining and bending equipment, and relates to the technical field of bridge steel structure machining, the bridge steel structure machining and bending equipment comprises a bottom plate, a vertical plate is arranged at the upper end of the bottom plate, a servo motor is arranged on one side of the vertical plate, the output end of the servo motor penetrates through the vertical plate and is provided with a rotating rod, and a first bearing seat is arranged at the upper end of the bottom plate; two first gears are symmetrically arranged on the outer surface of the rotating rod, a transmission toothed belt is arranged on the outer surfaces of the first gears, a second gear is arranged on the inner surface of the other end of the transmission toothed belt, a first rotating shaft is arranged on the inner surface of the second gear, and a third gear is arranged on the outer surface of the first rotating shaft; and two second bearing seats are symmetrically arranged at the upper end of the bottom plate. According to the bending equipment for bridge steel structure machining, the bending length can be conveniently adjusted, steel structures with different thicknesses can be stably bent, the steel structures are stably clamped before bending, friction is effectively reduced in the bending process, and damage to the surfaces of the steel structures is reduced.

The utility model relates to an explosion-proof motor shell hydraulic pressure test device, and belongs to the technical field of explosion-proof motor production, the explosion-proof motor shell hydraulic pressure test device comprises a base, an upper sealing gasket, a lower sealing gasket and a hydraulic mechanism arranged on the base, the surface of the upper sealing gasket is provided with a water inlet hole, the output end of the hydraulic mechanism is fixedly provided with a pressing block, and the pressing block is provided with a water inlet pipe; the water inlet pipe is communicated with the water inlet hole and externally connected with a pressure system, the surface of the base is concavely provided with a water storage tank, the water storage tank is externally connected with a drainage pipe, sliding rails are symmetrically fixed to the base, supporting tables are symmetrically and slidably connected to the sliding rails, and lower sealing gaskets are arranged on the surfaces of the supporting tables. According to the device, two supporting tables are arranged, when one supporting table moves to the bottom of the hydraulic mechanism for testing, the other supporting table can conduct feeding and discharging actions of a motor shell, the two supporting tables conduct testing alternately, feeding and discharging can be conducted on the other supporting table in the testing process of one motor shell, and therefore uninterrupted testing is achieved; and the test efficiency is improved.

The utility model relates to a display stand technical field especially a kind of mechanism and display stand for display stand connection and folding, first inner tube is used to be connected with a bar piece;Second inner tube is used to be connected with adjacent another bar piece;Movable hinged joint is connected with first inner tube and second inner tube respectively at both ends;Spring shaft is connected with one end of movable hinged joint by passing through first inner tube;Elastic member is sleeved on spring shaft;In folding process, movable hinged joint is pulled, it is partially removed from first inner tube, and movable hinged joint is driven to compress elastic member along the axial displacement of first inner tube, to further fold the bar piece connected with second inner tube, flexibly adapt to different application scenarios needing directional folding or multidirectional rotation, high versatility, high space utilization, compact structure;Realize the quick folding and unfolding of display stand, without disassembly and unlocking, and the display stand after disassembly is convenient to store and carry, further improve the use convenience of display stand, and stable.

The utility model discloses an automobile part production polishing device capable of preventing accidental touch. An anti-mistaken-touch automobile part production polishing device comprises an anti-mistaken-touch polishing mechanism and a part polishing mechanism, the part polishing mechanism comprises a polishing workbench, one end of the polishing workbench is used for fixedly connecting an anti-mistaken-touch working box through a bolt, and the other end of the polishing workbench is used for fixedly connecting the anti-mistaken-touch working box through a bolt. The first anti-collision door and the second anti-collision door can ensure that an operator does not accidentally touch the switch rotating button, so that equipment shutdown or accidental injury caused by misoperation is avoided, the safety of the working environment is improved, the operator can directly start the grinding equipment by controlling the operation panel without manually opening and closing the door or adjusting the protection device, and the working efficiency is improved. Therefore, the operation efficiency and the smoothness of the working process are improved.

The utility model provides a passenger car air inlet grille highlight traceless injection mold capable of preventing weld marks, and relates to the technical field of injection molds. The passenger car air inlet grille highlight traceless injection mold capable of preventing weld marks comprises a fixed mold body, a movable mold body, a mold cavity, a material filling hole, a positioning hole and a positioning rod, material taking sliding grooves are formed in the two sides of the mold cavity correspondingly, material taking sliding blocks are slidably connected to the inner walls of the material taking sliding grooves, extending material grooves are formed in the side walls of the material taking sliding blocks, and the extending material grooves communicate with the mold cavity; and a pushing device is arranged in the extending trough. When the mold needs to be taken out, the fixed mold and the movable mold are separated firstly, then the material taking sliding blocks in the material taking sliding grooves in the two sides of the mold cavity can be pulled, the two sets of material taking sliding blocks can be connected with the grating in the mold cavity through an injection molding solution solidified in the material taking sliding grooves, and then the two sets of material taking sliding blocks can be taken out together, so that material taking work of workers is facilitated; the probability of material breakage is reduced, accidental injuries are avoided, and weld marks are reduced.

The utility model discloses a device with a function of removing winding of an underwater robot, which comprises a splicing rod and a cutting device connected to one end of the splicing rod, a traction rope is arranged on the cutting device and a connecting rod to control the cutting device to be closed, a high-definition camera is further arranged on the cutting device, and the high-definition camera is linearly connected with a signal transmission cable; the cutting device and the connecting rod are connected with the robot big cable through the limiting ring and extend to the position near the underwater robot. The device is mainly used for replacing a traditional diver with a cutter to dive underwater for manual cutting when a common underwater robot is wound by fishing nets, aquatic plants and the like during underwater operation; the device extends into water through a simple splicing cutting device, an underwater high-definition camera is observed, a winding part is accurately positioned, and an entanglement is cut.