1193results 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 a simulation training method and system for a minimally invasive surgery in the obstetrics and gynecology department, and relates to the technical field of virtual reality, and the method comprises the following steps: obtaining related medical data on a patient in the obstetrics and gynecology department, and carrying out the preprocessing of a medical image; the processed two-dimensional image is converted into a three-dimensional model, an operation scene is constructed, and the anatomical model of the patient in the obstetrics and gynecology department and the scene are fused; generating a plurality of operation planning schemes, calculating an operation difficulty coefficient Nd of each operation scheme, and determining an optimal operation scheme according to the size of the operation difficulty coefficient Nd; establishing an interactive interface between the doctor and the virtual operation scene, and recording various indexes of the doctor in the simulated operation process; after the simulated operation is finished, the operation is analyzed, an operation analysis report is generated, and the simulated operation is evaluated and optimized; through virtual reality minimally invasive surgery simulation, the misoperation risk in a real surgery can be reduced, so that the operation error rate in the surgery is reduced.

The invention discloses a voice noise reduction system in a multi-noise environment, and particularly relates to the technical field of voice noise reduction, which comprises a basic division module for dividing voice data into a plurality of basic voice segments with the same duration; the rationality analysis module judges whether segmentation points of adjacent fragments are reasonable or not, and if the segmentation points are not reasonable, the optimization marking module searches for new segmentation points for optimization; the loop module repeatedly verifies the optimization result until all the voice segments are reasonably segmented; the noise reduction module extracts voice and noise features, and performs noise reduction processing by using a noise reduction strategy selection model; the recombination module recombines the voice segments after noise reduction into complete voice output; according to the invention, the voice signal is divided into a plurality of segments, the most suitable noise reduction algorithm can be matched for each segment according to the noise feature of each segment, and the method can cope with a more complex and unstable noise environment through a dynamically adaptive noise reduction strategy, and guarantees that the voice quality is better improved in various scenes.

The present invention discloses a moxibustion robot, including a bed frame, the bed frame is provided with a longitudinal linear transmission mechanism, an arched motion mechanism, a weight slider mechanism and an image acquisition module; the longitudinal linear transmission mechanism drives the arched motion mechanism to perform linear motion; the weight slider mechanism includes a weight and a moxibustion head, the weight and the moxibustion head are connected by an elastic member, so that the weight can drive the moxibustion head to move up and down; the moxibustion head can move along the route planned by the arched motion mechanism; the image acquisition module provides a positioning function, and provides the moxibustion head with accurate human acupuncture point location information to ensure the treatment effect. The present invention mainly solves the safety hazard problems existing in the field of moxibustion robots, the bionics problem of moxibustion acting on the human body, and the multi-sensor data fusion electronic moxibustion control technology problem.

The utility model discloses a hook for a cargo transportation unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicle transportation and comprises an unmanned aerial vehicle body, a connecting pipe is fixedly mounted at the bottom end of the unmanned aerial vehicle body, a butt joint structure for automatic butt joint is inserted into the connecting pipe, and a hook for hanging cargoes is fixedly mounted at the bottom end of the butt joint structure. Clamping frames used for assisting in stable automatic butt joint are rotationally installed on the two sides of the connecting pipe, one ends of the clamping frames are rotationally connected with control structures used for controlling the clamping frames to stretch, and spin lock structures used for locking the clamping frames are fixedly installed at the other ends of the clamping frames. A connecting pipe and a connecting rod are in butt joint and move downwards, a movable block retracts along a clamping block, meanwhile, a first spring pushes the movable block to move to the position between the clamping block and a bottom block, fixed connection between an unmanned aerial vehicle body and a lifting hook is completed, and close-distance contact between personnel and the unmanned aerial vehicle can be reduced; and safety risks and health problems caused by the fact that the stability of the unmanned aerial vehicle is influenced by pulling the unmanned aerial vehicle through manual operation are avoided.

The invention discloses a control method and a control system of an ultrasonic therapeutic apparatus and the ultrasonic therapeutic apparatus, and the method comprises the following steps: S1, transmitting ultrasonic waves to skins at a plurality of target positions one by one for sampling, and receiving an ultrasonic echo signal of each target position, the plurality of target positions are obtained by a transducer of the ultrasonic therapeutic apparatus moving along a skin surface area directly facing the end face of a probe of the ultrasonic therapeutic apparatus; s2, converting the received ultrasonic echo signal into an ultrasonic image; s3, skin features of each target position in the ultrasonic image are extracted, the distance between the skin of each target position and the end face of the probe is calculated, the calculated maximum distance is compared with a target threshold value, and if the maximum distance is smaller than or equal to the target threshold value, it is judged that the end face of the probe is effectively attached to the surface of the skin; otherwise, judging that the end face of the probe is not effectively attached to the skin surface. Positioning is carried out through ultrasonic imaging, it is ensured that operation is carried out in the state that the end face of the probe is effectively attached to the skin surface area, and the using effect and safety are ensured.

The invention discloses a tensile testing machine for artificial leather processing and a detection process thereof, and belongs to the technical field of artificial leather processing.The tensile testing machine comprises a machine base placed above a workbench, a guide base is fixedly installed at the upper end of the machine base, a sliding way is formed in the guide base, and a motor is fixedly installed on the inner side of the machine base; a threaded rod is fixedly mounted at the output end of the motor; the sliding seat is arranged on the inner side of the sliding way in a sliding mode, a monitor is fixedly installed on the outer side of the sliding seat, and a first clamping assembly is fixedly installed at the detection end of the monitor; the second clamping assembly is fixedly mounted on the upper surface of the machine base; and the two winding pieces are elastically and rotationally mounted on the first clamping assembly and the second clamping assembly correspondingly. According to the tensile testing machine for artificial leather processing and the detection process thereof, the end part of artificial leather can be stably clamped, the detection stroke can be shortened in the detection process, meanwhile, an operator can be prevented from being hurt after the artificial leather is broken, and the use safety is high.

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 the technical field of chicken bone scissors, and discloses a pair of chicken bone scissors, which comprises a right scissor handle and a left scissor handle, a dismounting locking plate is locked and fixed in an open slot on the right scissor handle through a dismounting locking plate nail, and a dismounting locking plate spring is connected between the dismounting locking plate and the open slot; when the right scissor handle and the left scissor handle are matched to be used as scissors, the left scissor handle is limited by disassembling and assembling the locking plate to prevent the left scissor handle from falling off from the right scissor handle; limiting on the left shear handle is relieved by pressing the dismounting locking plate, and the left shear handle is dismounted from the right shear handle to be used as a cutter. The left scissor handle can be firmly fixed on the right scissor handle through the disassembly and assembly locking plate to be used as the scissors, the design of the disassembly and assembly locking plate can ensure that the left scissor handle cannot fall off in the using process, safety is improved, a user can relieve limiting by shifting the disassembly and assembly locking plate, the left scissor handle is disassembled to be used as a cutter, and the safety is improved. And the use flexibility and efficiency are improved.

The technical scheme belongs to the technical field of nail clippers, and particularly relates to a luminous nail clipper, which comprises a nail clipper main body, a luminous component and a luminous component, the handle is movably arranged at the front end of the nail clipper main body through a lock pin; the splash-proof sleeve assembly is arranged outside the nail clipper main body in a sleeving mode and used for collecting nail chippings; the amplification and illumination assembly is hinged to the front end of the splash-proof sleeve assembly and provided with an illumination lamp used for illuminating a trimming area and an amplification piece used for amplifying the trimming area; wherein the splash-proof sleeve assembly comprises a splash-proof main body, a containing cavity used for containing the nail clipper main body is formed in the splash-proof main body, a splash-proof part is arranged at the front end of the splash-proof main body in a protruding mode, and the splash-proof part is used for shielding the left side and the right side of a knife edge; the splash-proof main body is sleeved with the storage sleeve, the containing cavity is communicated with a containing space of the storage sleeve, and fingernail chippings enter the containing space from the knife edge through the containing cavity.

The invention discloses a reinforcement learning-based cloud storage access permission intelligent management method. The method comprises the following steps of S1, constructing a hierarchical reinforcement learning model; s2, collecting historical access data of a user in the cloud storage system; s3, configuring an initial permission and resource allocation according to a user group permission strategy, and applying a configuration result to a low-layer operation module; s4, feeding back to a hierarchical reinforcement learning model; s5, preferentially retaining the files or data blocks accessed at high frequency in the cache; s6, the hierarchical reinforcement learning model optimizes an authority strategy through a real-time reward mechanism; s7, dynamically recovering the data blocks or files accessed at low frequency; s8, performing synchronous optimization of the access authority and the cache strategy; s9, temporarily freezing the high-risk authority; and S10, generating a new permission strategy and a cache strategy. According to the invention, the response speed and the resource utilization efficiency of the system are improved, and the security and the fault-tolerant capability of the system are enhanced.

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 acupuncture and moxibustion auxiliary operation device comprises an outer shell, an inner shell and a controller, a fixing assembly is installed on the outer side wall of the outer shell, a rotating assembly is installed on the inner top wall of the outer shell, an opening is formed in one end of the inner shell, a first pressure sensor is installed at the opening, and a connecting rod is fixedly connected to the inner top wall of the inner shell; the connecting rod is provided with a plurality of leaking holes and connected with a power part, a force storage shell is installed outside the power part, a strain gauge is embedded in the side wall of the force storage shell, the bottom of the force storage shell is communicated with a needle pushing assembly, the needle pushing assembly comprises a shell, a needle clamping device is in sliding fit with one end of the shell, a pushing plate is in sliding fit with the interior of the shell, and the space between the pushing plate and the needle clamping device is filled with liquid. And a liquid level sensor is embedded in the shell. The problems that in the traditional acupuncture treatment process, the dependence on the skills of doctors is high, operation is tedious, and the control over the needle inserting depth and the needle twisting angle is inaccurate are solved.

The optical lens waste treatment equipment with the safety protection structure comprises a box body, a shielding mechanism for preventing material splashing and feeding is arranged at the top of the box body, and a blocking mechanism for preventing a material splashing machine from guiding materials is arranged at the top of an inner cavity of the box body; a treatment mechanism used for conducting two-stage treatment on optical lens waste is arranged in the box body, and a pressing mechanism used for conducting secondary treatment on treated crushed materials is arranged at the bottom of one side of the box body. Through cooperative arrangement of the shielding mechanism and the blocking mechanism, protection work in the optical lens treatment process is achieved, the safety during treatment is improved, meanwhile, the impact resistance and blocking effects can be achieved, waste splashing is caused in the treatment process, the accidental injury situation is avoided, safety is improved, and the service life of the optical lens is prolonged. The blocking mechanism is used for achieving primary blocking and anti-impact operation, and the shielding mechanism is used for achieving the effect of secondary blocking and material blocking.

The invention belongs to the field of mixed reality, and particularly relates to an infant airway display system with an electronic scale and an early warning function. The special visual laryngoscope for the infant is used for acquiring a real-time endoscopic image of the airway of the infant; the mixed reality three-dimensional model generation unit is used for constructing a mixed reality three-dimensional model containing a complete anatomical structure based on the infant chest CT data; an augmented reality model generation unit marks airway key data obtained by measuring key points of an important anatomical structure in an airway into the three-dimensional airway model, and generates an augmented reality model; the data processing unit is used for performing fusion processing on the airway key data and the real-time endoscopic image, generating key point position prompt information and dangerous operation early warning information, and sending the information to the AR glasses; and the AR glasses are used for displaying the fused data and superposing the key point position prompt and dangerous operation early warning information. The scheme can be used for auxiliary diagnosis and surgical planning.

The invention discloses a full-automatic pipe coiling machine. The full-automatic pipe coiling machine comprises a frame, a coiling device, a pipe clamping device and a brake mechanism, the tops of the two sides of the frame are each provided with a support. The reel device comprises a winding drum and a supporting shaft, and a hose is wound on the winding drum; the winding drum is rotationally connected with the two supports through a supporting shaft, and a coil spring is further arranged between the winding drum and the supporting shaft. The pipe clamping device is located on one side of the winding drum and used for controlling the winding drum to rotate or be fixed. The brake mechanism is located on the other side of the winding drum and used for controlling the rotating speed of the winding drum. The device is simple in structure, convenient and rapid to operate, capable of achieving rapid inflation operation in a limited deck space, capable of automatically recycling the inflation hose after inflation operation is completed, small in size and small in occupied space, and interference of disordered decks on other operations is avoided.

The invention specifically discloses a fan fault diagnosis method based on SCADA (Supervisory Control and Data Acquisition) data. The method comprises the following steps of S1, acquiring SCADA monitoring data in a fan running state and preprocessing the SCADA monitoring data; s2, X-direction vibration data and Y-direction vibration data of the fan cabin are extracted from the preprocessed SCADA monitoring data, and whether a fault exists or not is judged based on a spectral analysis method; and S3, inputting the corresponding data with the fault into a pre-constructed deep neural network model, and outputting the corresponding fault category of the fan blade. According to the method, the fault and the fault type in the fan operation process can be effectively identified based on the SCADA monitoring data, so that the maintenance cost of a wind power plant is reduced, the occurrence of accidental injury accidents caused by blade falling can be effectively prevented, and the method has a wide market application prospect.

The utility model discloses a cooling device for rubber product production, which belongs to the technical field of rubber product production and comprises a cold water tank, stirring rods are arranged on two sides of the inside of the cold water tank, a driving component is arranged on the side edge of the cold water tank, a lifting component is arranged on the side edge of the inside of the cold water tank, and a draining component is connected to the middle of the lifting component. The upper end of the draining assembly is provided with a material containing box, the lower end of the side edge of the material containing box is rotationally connected with a box door, and a spring lock is arranged between the upper end of the box door and the material containing box. And the material containing box shakes on the base in a reciprocating mode, water stains on the surfaces of the rubber products in the material containing box are rapidly drained away, and the water stains are prevented from affecting the processing environment.

The utility model relates to the technical field of tensile strength testing, in particular to a cable tensile strength testing device which comprises a box body, a first mounting plate is arranged at the bottom end in the box body, a plurality of first mounting grooves are evenly formed in the top of the first mounting plate, and a movable groove is formed in the first mounting plate and located on one side of the first mounting grooves. A limiting mechanism is arranged in the movable groove, a square groove is formed in one side of the interior of the box body, a moving mechanism is arranged in the square groove, and a moving frame is arranged on one side of the moving mechanism. According to the utility model, one end of a cable to be tested is placed in the plurality of first mounting grooves uniformly arranged at the top of the first mounting plate, and then the rotating wheel arranged at one end of the rotating shaft where the screw rod is located at one side of the outside of the first mounting plate is used, so that the screw rod rotates to drive the clamps movably arranged through the outer side of the thread to move mutually; therefore, the cable fixing and limiting effects are achieved, multiple cables can be conveniently fixed at the same time, the working efficiency is improved, and the practicability of the device is improved.

The utility model discloses a multifunctional vehicle-mounted dust collector, and relates to the technical field of dust collectors. The problems that an existing vehicle-mounted dust collector is single in function, and a safety belt cutter is low in utilization rate and needs to occupy a certain space in a vehicle are solved. The utility model provides a multifunctional vehicle-mounted dust collector, which comprises a dust collector shell, the dust collector shell comprises a holding part and a dust collecting part, the holding part is internally provided with a filter screen, a fan and a power supply, the dust collecting part is used for collecting dust, the dust collecting part is arranged on the holding part, and the multifunctional vehicle-mounted dust collector is characterized in that the holding part extends to form a mounting frame for fixing a safety belt cutting blade; a U-shaped cutting groove is formed in the mounting frame, the blade is wrapped and fixed by the mounting frame, and part of the cutting edge is located at a notch of the U-shaped cutting groove. According to the vehicle-mounted dust collector, the mounting part capable of fixing the blade is additionally arranged on the holding part of the vehicle-mounted dust collector, so that the vehicle-mounted dust collector has dust collection and cutting functions at the same time.

The utility model discloses a rail self-propelled grape topping device which comprises a guide rail and a bearing rod, a supporting rod is vertically and upwards arranged in the middle of the bearing rod, a pair of idler wheels is arranged at the top end of the supporting rod, the two idler wheels are clamped on the guide rail, a driving motor is arranged on one side of the top of the supporting rod, and a driving motor is arranged on the other side of the top of the supporting rod. The output end of the driving motor is connected with one of the rolling wheels, cutting assemblies are inserted into the two ends of the bearing rod, each cutting assembly comprises a telescopic rod and a cutting motor, one end of each telescopic rod is inserted into the bearing rod, the cutting motor is arranged at the other end of each telescopic rod, and a plurality of blades are arranged at the output end of each cutting motor. The bottom of the end, provided with the motor, of the telescopic rod is connected with the guide rail, a circuit is arranged in the bearing rod, and the driving motor and the cutting motor are both electrically connected with the circuit in the bearing rod. A guide rail is installed above the grape vines, a bearing rod is installed in the guide rail, and cutting assemblies are installed at the two ends of the bearing rod.

The present invention relates to a foldable trampoline, comprising: a frame member, a leg tube, a trampoline and a connecting member, wherein the edge of the trampoline is installed on the frame member through a plurality of connecting members, the leg tube is installed below the frame member, at least one of the trampoline and the connecting member is an elastic member, the frame member comprises a plurality of frame tube sections, and a foldable connection is formed between every two adjacent frame tube sections, the connecting member and the frame member are connected through a plurality of locking mechanisms, a plurality of through holes for accommodating the locking mechanisms are provided in the frame member, each locking mechanism comprises a locking nut and a locking bolt, one of the locking nut and the locking bolt is connected to the connecting member, and the other is in contact with the frame member, thereby greatly improving the safety performance of the trampoline.

The invention discloses a pipe cutting device and method for automobile part manufacturing, and relates to the technical field of automobile part machining. The cutting mechanism comprises a mounting plate fixedly connected to the upper end of the base, a rotating shaft is rotatably connected to the side wall of the mounting plate, a first gear is fixedly connected to the side wall of the rotating shaft, a mounting groove is formed in the side wall of the first gear, and a mounting block is slidably connected to the inner wall of the mounting groove; an electric push rod is fixedly connected to the bottom in the mounting groove, the movable end of the electric push rod is fixedly connected with the mounting block, a first rotating rod is rotatably connected to the side wall of the mounting plate, a driving rod is fixedly connected to the side wall of the first rotating rod, and a mounting seat is fixedly connected to the other end of the driving rod. The driving motor rotates to drive the driving rod to swing up and down so as to drive the cutting machine to move up and down and push materials synchronously, continuous equal-length cutting can be carried out on pipes, and compared with manual cutting, more time and labor are saved, and the cutting precision is higher.

The utility model relates to the technical field of laser cutting machines, and discloses an anti-splashing laser cutting machine which comprises a portal frame, a linear sliding table is fixedly installed on the top of the portal frame, a laser emitter is arranged on the linear sliding table, and a laser light source is arranged on the linear sliding table. The bottom of the laser emitter is slidably connected with a laser emitting head, an air cylinder is fixedly installed on the side wall of the laser emitter, the piston end of the air cylinder is fixedly installed on the outer wall of the laser emitting head, a storage table is fixedly installed at the bottom of the portal frame, and a protection mechanism used for preventing sparks from splashing is arranged on the laser emitting head. According to the laser cutting machine capable of preventing splashing, by arranging the protective cover and the sleeve, the cutting position of a steel plate by the laser emitting head can be covered, and it is avoided that when the steel plate is cut, sparks splash to injure workers accidentally.

The utility model provides a complex stratum exploration adit supporting structure, relates to the technical field of adit body supporting, solves the problems in the prior art, and comprises side edge supporting assemblies which are respectively arranged on two side walls of an adit in a supporting mode. The top supporting assembly is arranged on the top wall of the adit, and the two ends of the top supporting assembly are connected with the side edge supporting assemblies correspondingly; the transverse supporting assembly is arranged on the bottom wall of the adit, one end of the transverse supporting assembly is connected with one side supporting assembly, and the other end of the transverse supporting assembly is connected with the other side supporting assembly; and the forepoling assembly is arranged in the top supporting assembly and the top wall of the adit and used for bearing downward pressure generated above the inner top wall of the adit in advance in the tunneling process. Compared with the prior art, the supporting device has the advantages that the supporting is safe and reliable, and the construction efficiency is improved.

The utility model relates to the technical field of welding machines, and discloses a welding machine table with a protection function, which comprises a machine table body, a positioning piece is fixedly mounted at the top of the machine table body, a welding machine body is fixedly mounted at the top of the machine table body, a dirt discharge groove is formed in the machine table body, and a protective cover is arranged on the dirt discharge groove. According to the welding machine table with the protection function, by pulling a sliding block and being matched with two sets of connecting rods at the same time, the two sets of protection covers can be driven to be attached together, and therefore the welding machine table is convenient to use, high in practicability and high in practicability. And at the moment, welding slag splashed during welding can be blocked through the protective cover, the situation that the welding slag splashes everywhere to injure workers accidentally is avoided, meanwhile, dazzling strong light generated during welding can be shielded, and a comfortable working environment is created for the workers.

The utility model relates to the technical field of nursery stock pruning, in particular to garden nursery stock pruning equipment. The technical problems that when garden nursery stocks are trimmed, the nursery stocks are mostly trimmed by manually holding a trimming knife, workers and clothes are easily scratched or scratched by trimmed branches, the manual trimming speed is low, a large amount of time needs to be consumed for trimming, the labor amount of the workers is large, and the trimming efficiency is low are solved. According to the technical scheme, the garden nursery stock pruning equipment comprises a lifting assembly, a supporting assembly, a sliding assembly and a rotating assembly; compared with a traditional nursery stock pruning mode, the nursery stock pruning device has the advantages that the sliding structure and the rotating structure are matched for use, the pruning knife can be pushed out of the device when nursery stocks are pruned, the pruning range of the pruning knife is increased by adjusting the distance between the pruning knife and the device, and therefore the distant nursery stocks outside a nursery stock cluster can be pruned; and when not in use, the trimming knife can be folded to prevent the device from being accidentally injured by the blade when the device is moved.

The utility model belongs to the technical field of new energy charging pile protection, and particularly relates to a charging pile anti-collision guardrail which comprises a charging pile body, a base is downwards arranged on the bottom face of the charging pile body, an anti-collision plate is located on the foremost side, and a vehicle collides with the anti-collision plate firstly in the process of continuously approaching the charging pile body and moves backwards, so that the anti-collision plate is prevented from colliding with the charging pile. Then the anti-collision plate drives the supporting guide rod to move backwards and extrudes the compression spring, the compression spring has certain resistance to the automobile due to elastic force generated by compression, part of kinetic energy of the automobile is consumed, the preliminary buffering effect is achieved, and the anti-collision plate continues to move backwards to push and press a piston rod of the hydraulic buffer in the midway; and when the automobile continues to move backwards, the automobile bears double resistance of the compression spring and the hydraulic buffer, the good buffering effect is achieved again, residual kinetic energy of the automobile is thoroughly consumed, in this way, the charging pile can be prevented from being collided, the good buffering effect can be achieved, and the service life of the automobile is prolonged. And the damage to the surface and the paint surface of the automobile caused by impact force is avoided to a great extent.

The utility model discloses a rectangular steel pipe butt welding tool, and relates to the technical field of rectangular steel pipe welding, the rectangular steel pipe butt welding tool comprises an operation table and a protection mechanism arranged on the outer wall of the operation table, through the arrangement of a protection cover, when a welding device welds a rectangular steel pipe main body, the protection cover is arranged in order to prevent operators from being accidentally injured by splashed sparks in the welding process. And the convenience of effective protection during welding of the rectangular steel pipe body is improved, a rack can be driven to slide along the inner wall of a sliding groove through pushing of a sliding electric push rod, and a gear is driven to rotate, so that a protective cover is driven to do reciprocating sliding motion along the outer wall of a fixed box, and through connection of a protective groove, the welding efficiency is improved. According to the butt welding tool for the rectangular steel pipes, the effect of preventing sparks from splashing to accidentally injure operators is achieved, control operation of protection convenience during welding of the rectangular steel pipe bodies is achieved, and compared with an existing welding tool, the butt welding tool for the rectangular steel pipes has the effect of improving the protection convenience during welding of the rectangular steel pipes.

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.