530results about How to "Reduce damage" patented technology

The invention belongs to the field of medical instruments, and particularly relates to a medical instrument related pressure damage prediction and early warning method and system. The method mainly comprises the following steps that a multi-sensor network is adopted, a key area where a patient makes contact with a medical instrument is covered, key area data are collected, preprocessing, filtering and denoising are conducted on the collected original data of the key area so that abnormal values and noise interference can be eliminated, and a solid foundation is laid for subsequent data analysis; and carrying out data fusion, feature extraction and model construction on the preprocessed data, predicting the MDRPI risk by using an MDRPI risk prediction model, carrying out risk assessment in combination with the specific condition of a patient, and giving an alarm in time when the risk is high. According to the MDRPI risk prediction method, accurate prediction of the MDRPI risk is realized through the MDRPI risk prediction model, false report and missing report are reduced, continuous optimization of the model is promoted through an intelligent feedback mechanism, and the prediction accuracy and the system applicability are improved.

The invention discloses a carbon storage space construction method for an artificial reconstruction plugging key layer, and the method comprises the following steps: S1, carrying out geological exploration, and determining the thickness and lithology of each overlying rock stratum; s2, determining the height of a gas guide fissure zone generated after the coal seam is mined by filling based on theoretical analysis and actual measurement data; s3, on the basis of geological data and the height of the gas-conducting fissure zone, the position of an artificial reconstruction plugging key layer and the position of a grouting layer are determined; s4, filling mining is carried out, grouting is carried out on overlying strata to reconstruct and block a key layer, and a carbon storage space is formed; and S5, carbon dioxide gas is injected into the goaf through a pipeline, carbon dioxide concentration monitoring is conducted on the working face while negative carbon filling is conducted, earth surface rock movement monitoring is conducted on the earth surface, and the negative carbon filling effect is judged. According to the method, the carbon storage space is formed by manually rebuilding and blocking the key layer while the gangue is filled, the space after coal mining can be effectively utilized for storing carbon dioxide, and emission of greenhouse gas is effectively reduced.

The invention discloses a method for reseeding and repairing alpine degraded grassland, which comprises the following steps: step 1, cutting: cutting native vegetation of a sample plot with the stubble height of 3-5cm; 2, sowing is conducted, before the rainy season comes, drilling is conducted on target grass seeds in a manual ditching mode, the target grass seeds are 2-3 grass seeds selected from each type of gramineae grass, leguminous grass and miscellaneous grass and mixed according to a certain proportion, and earthing is conducted after sowing is completed; 3, after-sowing management is conducted, agricultural measures such as impurity removal, fertilization and watering do not need to be conducted after sowing is completed, and grazing is forbidden for two years. According to the method, different functional types of plants and combinations suitable for the alpine region are screened out, the method suitable for reseeding restoration of the alpine degenerated grassland is formulated, the reseeding cost is controlled, meanwhile, plant communities high in yield, high in stability and diverse in function are built, and the problem of restoration of the degenerated grassland in the alpine region is solved.

The invention discloses a fire early warning method and system based on multi-source information fusion and a medium. The method comprises single vehicle model training, model deployment, fire risk assessment, BIM modeling display and abnormal information notification. According to the fire early warning method and system based on multi-source information fusion and the medium, deep fusion and model training are carried out on the image, positioning and temperature information of the vehicle, the vehicle temperature fault mode can be rapidly and accurately recognized, the accuracy of fire early warning is improved, multi-source information is obtained in real time, and when the vehicle has an overtemperature phenomenon, the fire early warning efficiency is improved. A worker can quickly locate the vehicle and nearby the vehicle, measures can be taken for the overtemperature vehicle in time, fire disasters are prevented or the fire disaster damage degree is reduced, and powerful support is provided for fire prevention and control work. A bridge fire risk map is displayed on a display device or a user terminal by establishing a bridge BIM model, a command department, workers and drivers can quickly grasp information such as a disaster site, a fire reason, a disaster situation degree and a vehicle density degree of a current bridge fire through the bridge fire risk map, and the environment adaptability of the system is high; according to the invention, the fire risk can be evaluated in different environments, the decision-making efficiency of a command department is improved, a worker can quickly arrive at a rescue site to carry out fire extinguishing and rescue work, and a driver in a low-risk area can quickly evacuate from a bridge or assist the worker in personnel evacuation. And casualties and economic losses caused by fire disasters can be reduced as much as possible.

The invention discloses plant lactobacillus WH021 and application thereof in preventing and / or relieving neuroinflammation, and belongs to the technical field of microorganisms. The plant lactobacillus WH021 is separated and purified from excrement of healthy babies, is a probiotic with the function of relieving neuroinflammation, and has good application potential in development of food, health care products and drugs for preventing brain inflammation related diseases caused by chronic inflammation of bodies of middle-aged and elderly people.

The utility model discloses a civil air defense engineering pipeline filtering and purifying device which comprises a mounting pipe, an obliquely arranged filtering net plate is fixedly mounted in the mounting pipe, impurities in flowing gas are filtered through the filtering net plate, and an obliquely arranged vibration exciter is fixedly connected to the bottom of the right side of the filtering net plate. Through the arrangement of a series of structures, gas introduced into the civil air defense project can be filtered and purified, tiny impurities in the gas can be effectively treated in the mode that the gas is filtered and then purified, the filtering and purifying effect on the gas is improved, and the gas purification effect is improved. According to the air-raid shelters, the situation that impurities enter the air-raid shelters and hurt the bodies of people is reduced, dust attached to the filter screen plate can be effectively cleaned in the mode that excitation is matched with air back-blowing, the situation that the dust blocks meshes of the filter screen plate can be effectively reduced in the mode of back-blowing dust cleaning, and the dust cleaning effect on the filter screen plate is improved.

The invention discloses an anti-interference control method for a longitudinal model in a ground effect area of a ground effect aircraft, and the method comprises the steps: firstly arranging a transition process for system expected input and system actual output through a tracking differentiator, and enabling the transition process to reduce the initial value deviation as much as possible; secondly, a new nonlinear function is introduced to improve the extended observer, so that the anti-interference capability of the system is greatly enhanced, and the robustness of the system is enhanced; finally, a new nonlinear function is introduced, a nonlinear feedback law is improved, a system control law is obtained, and the control precision of the system is greatly improved.

The utility model belongs to the technical field of textile machinery, and particularly discloses a cashmere carding device which comprises a conveying table, a cotton feeding plate, a feeding roller and a driving unit, a machine body is arranged on one side of the conveying table, a wool feeding hopper and a conveying curtain are connected to the machine body, an outlet of the wool feeding hopper is located above the conveying curtain, and the conveying table is detachably connected with the cotton feeding plate. A feeding roller is arranged on the feeding plate, an opening cylinder is arranged on one side of the feeding plate, two ends of the feeding roller and two ends of the opening cylinder are connected with bearing seats, the feeding roller is connected onto the feeding plate through the bearing seats, the opening cylinder is connected onto the conveying table through the bearing seats, and the feeding roller and the opening cylinder rotate through a driving unit. Cashmere is fed from the wool feeding hopper and conveyed to the conveying curtain through the wool feeding hopper, the conveying curtain conveys the cashmere to the cotton feeding plate, fluff on the cotton feeding plate moves towards the feeding roller, the fluff is conveyed to the opening cylinder by the feeding roller to be opened and carded, the damage degree of cashmere fibers can be reduced through the cotton feeding plate, and then the opening quality in the cashmere production process is improved.

The present invention provides a pre-tightening type two-level force-limiting retractor and a seat belt device, the pre-tightening type two-level force-limiting retractor comprises: a force-limiting steel wire, a force-limiting rod, a fixed shaft, a pre-tightening wheel, a ratchet ring and a moving shaft; one end of the force-limiting rod is fixed on the fixed shaft, and the other end extends into a first accommodating groove in the moving shaft and is limited in the first accommodating groove; the end head of one end of the force-limiting steel wire is fixed on the fixed shaft, and the other end passes through the fixed shaft, the ratchet ring and the pre-tightening wheel in sequence, and then extends into the second accommodating groove in the moving shaft; when the moving shaft rotates, the force-limiting rod is driven to rotate synchronously, and the force-limiting steel wire is driven to be pulled out of the second accommodating groove and wound around the fixed shaft, and the groove on the fixed shaft provides an accommodating space for the wound force-limiting steel wire; the pre-tightening function can be realized, and the two-level force-limiting function is realized by the force-limiting rod and the force-limiting steel wire in combination; in case of emergency braking, frontal collision or rollover of the automobile, the pre-tightening function makes the occupant close to the seat, and the two-level force-limiting function reduces the degree of injury to the occupant's chest.

The invention provides an application of a TRPML1 specific small-molecule inhibitor ML-SI3 in preparation of a drug for treating or preventing brain injury. The TRPML1 specific small-molecule inhibitor ML-SI3 has the beneficial effects that the TRPML1 specific small-molecule inhibitor ML-SI3 disclosed by the invention can be used for remarkably reducing the injury degree of neurons of rats with brain injury; the learning and memory ability of rats with brain injury is improved; the dyskinesia of rats suffering from brain injury is improved, and the brain function of the rats suffering from sudden cardiac arrest and cardiopulmonary resuscitation is comprehensively protected; the TRPML1 specific small-molecule inhibitor ML-SI3 provided by the invention provides a new medicine for protecting the brain function of a patient with sudden cardiac arrest, and has good market value and clinical application prospect.

The invention belongs to the technical field of structural engineering, and particularly relates to a fabricated steel frame beam column substructure capable of comprehensively defending against earthquakes and progressive collapse. Shearing force and axial tension / pressure generated between the cross beam component and the stand column component are borne through the multifunctional mechanical hinge, the damage degree of the substructure is reduced, and the safety of the substructure is guaranteed; under the action of large earthquakes and giant earthquakes, the multifunctional mechanical hinge rotates and generates plastic deformation to consume energy and consume energy generated by the earthquakes, meanwhile, the pre-tightening suspension component is tensioned, progressive collapse is avoided, and the progressive collapse resistance of the substructure is improved; when the substructure is close to collapse under the action of an earthquake, the pre-tightening suspension component suspends and bears the cross beam component, so that the vertical pulling capacity of the substructure is improved, and the consequence of continuous collapse of the substructure is relieved.

The utility model relates to the technical field of coal analysis equipment, and discloses a cover opening and closing device. The cover opening and closing device comprises a non-metal clamping block, a clamping driving part and a cover screwing part. Wherein the non-metal clamping block is used for clamping a bottle body. The clamping driving part is connected with the non-metal clamping block and used for driving the non-metal clamping block to tightly hold or loosen the bottle body. And the cap screwing part is used for clamping the bottle cap so as to open or close the bottle cap. The non-metal clamping block is arranged and used for clamping the bottle body, and when the bottle body and the non-metal clamping block move relative to each other, compared with a metal clamping block, the non-metal clamping block can reduce friction damage to the bottle body and reduce the damage degree of the bottle body; the problems that in the cap opening and closing process of a cap opening machine in the prior art, the damage degree of a coal bottle is serious, and the service life of the coal bottle is shortened are solved.

The invention discloses a biopsy sampling actuator of an internal breast lymph node surgical robot, and relates to the field of medical instruments. The invention aims to solve the problem that important organs or tissues of a human body are easy to damage when endobreast lymph nodes are punctured and sampled in a needle mode at present. A flexible instrument channel module (1) is horizontally mounted on a linear guide rail module (3) in a sliding manner, the front part of the flexible instrument channel module (1) is a flexible bending part, and the rear part of the flexible instrument channel module (1) is a bending driving part; the flexible bending part is connected with the bending driving part, and the bending driving part drives the flexible bending part to realize pose change of the flexible bending part; the flexible tool arm module (2) is connected with the tail end of the rear part of the flexible instrument channel module (1), and the flexible tool arm module (2) extends into the flexible bending part and extends out of the flexible bending part to perform multi-degree-of-freedom pose operation. The internal breast lymph node sampling device is used for internal breast lymph node operation and biopsy sampling.

The utility model provides a plate cutting and conveying system which comprises a cutting and conveying mechanism which is constructed to convey a plate in a first direction and cut the plate in a second direction intersecting with the first direction, so that the plate forms a cutting line in a third direction perpendicular to the first direction; the frame body is erected above the cutting and conveying mechanism; the pressing mechanisms are constructed to press the plates to the cutting and conveying mechanism, and each pressing mechanism comprises a driving mechanism installed on the frame body; the pressing wheel is rotatably mounted at the bottom end of the driving mechanism, and under the driving of the driving mechanism, the pressing wheel has a pressing state in which the pressing wheel is in rolling contact with the plate so as to press the plate on the cutting and conveying mechanism and a hanging state in which the pressing wheel is hung above the plate; and the cleaning mechanism is installed on the driving mechanism and is constructed to abut against the circumferential face of the pressing wheel so as to remove disintegrating slag adhering to the pressing wheel and reduce the damage degree of the disintegrating slag to the surface of the plate.

The invention relates to the field of petroleum engineering, in particular to a method for evaluating the permeability damage degree of a low-permeability reservoir, which comprises the following steps of: 1) coring a target reservoir, and measuring by an experiment to obtain core mineral percentage content and rock mechanical parameters; 2) establishing a reservoir single proppant model, calculating the porosity change rate when the single proppant is embedded, and establishing a mechanical distribution function of the whole proppant and the rock wall surface according to the percentage content of the core minerals and the mechanical parameters in the step 1); and 3) converting the change of the permeability of the reservoir when the proppant just enters the stratum and is in a stable state into porosity change by combining the single-particle pore change rate and the rock mechanical distribution function, calculating a porosity change index, and evaluating the damage degree of the reservoir. According to the method disclosed by the invention, the reservoir damage and permeability reduction caused by propping agent embedding due to stress change are converted into a porosity change index, and the mine scale reservoir permeability damage degree is indirectly evaluated.

The invention discloses a steel structure module building self-resetting detachable maintenance structure and a construction method. The steel structure module building self-resetting detachable maintenance structure comprises square steel tube beams and square steel tube columns, and the square steel tube beams and the square steel tube columns are welded and fixed to form a steel framework; the corrugated steel plate wall is connected with the steel framework and is connected with the square steel pipe beam or the square steel pipe column on the corresponding side through a detachable connecting assembly; the structure further comprises self-resetting energy dissipation supporting assemblies arranged on the two opposite side faces of the steel framework, and the self-resetting energy dissipation supporting assemblies are provided with inhaul cables made of shape memory alloy. According to the structure, the supporting pieces of the corrugated steel plate walls and the supporting pieces of the square steel pipe columns / square steel pipe beams on the corresponding sides are connected in an assembly mounting mode to form detachable connecting assemblies, the detachable maintenance function of the steel structure module building is conveniently achieved, and the energy dissipation and self-reset functions are achieved through the self-reset energy dissipation supporting assemblies.

The invention discloses a photovoltaic module frame dismounting machine and a frame dismounting method, and relates to the technical field of photovoltaic module recovery, the frame dismounting machine comprises a rack, a front pressing mechanism, a back supporting mechanism and a frame dismounting mechanism; frame disassembling positions are arranged in the machine frame, a rectangular frame body is fixed on the peripheral side, the front face downward pressing mechanism is fixed to the top of the machine frame, comprises a pressing plate and a first driving mechanism and is used for getting close to or getting away from a photovoltaic module, and the back face supporting mechanism is located below the module and comprises a supporting table and a second driving mechanism. The clamping mechanism comprises a manipulator and a third driving mechanism and is used for clamping a photovoltaic module frame; when in use, the front pressing mechanism and the back supporting mechanism are clamped and fixed from the top and bottom of the assembly, and the frame disassembling mechanism is used for disassembling the frame from the periphery. By adopting the frame dismounting machine and the frame dismounting method, the frame dismounting efficiency and the frame dismounting quality of the photovoltaic module can be improved, the problem of fragmentation of photovoltaic glass is reduced, meanwhile, the junction box can be dismounted, and the recycling value of recycled materials is improved.

The invention relates to the technical field of coatings, and discloses a functionalized graphene modified polyurethane composite coating, compared with a labyrinth shielding structure of a traditional polyurethane coating, the functionalized graphene modified polyurethane composite coating added with functionalized graphene can form a more compact film-shaped structure through layer-by-layer superposition of two-dimensional sheet structures of graphene, so that the graphene modified polyurethane composite coating has a good shielding effect. By means of the nanometer size, high surface hydrophobicity and conductivity of graphene, the corrosion rate of metal is reduced, the corrosion resistance and mechanical performance of a coating are improved, aminopyridine can improve the corrosion current and impedance value of a polyurethane coating film, the corrosion resistance of the polyurethane coating film is improved, and the corrosion resistance of the polyurethane coating film is improved. Through a blending preparation means, the chain segment of polyvinyl chloride is compatible with the flexible chain segment of polyurethane, and the mechanical property of the polyurethane coating is further improved.

The invention relates to the technical field of battery shells, and particularly discloses a storage battery shell structure for a new energy automobile, the storage battery shell structure comprises a shell for a battery mounting box, an end cover is mounted above the shell, a longitudinal support plate is mounted in the shell, and buffer mechanisms which are uniformly arranged and distributed are arranged on two sides of the longitudinal support plate. Through mutual cooperation of the sealing mechanism, the linkage mechanism, the joining mechanism and the buffer mechanism, the buffer mechanism can buffer deformation of the non-reinforced part of the shell when the non-reinforced part of the shell is subjected to lateral impact in an emergency; the buffering force is utilized to enable a sliding block in the linkage mechanism to drive a top block to extrude the original concave sealing ring and the convex sealing ring through the connection mechanism, so that the sealing performance and the connection strength of the shell and the end cover are improved, the storage battery shell is ensured to maintain certain sealing performance when the storage battery shell is seriously impacted, and the service life of the storage battery is prolonged. And the damage degree of impact to the storage battery module is reduced.

The invention discloses a composition, which contains milk thistle extract and fructose 1,6-diphosphate or its derivatives or salts thereof; the milk thistle extract is in the form of milk thistle extract microcapsules and / or milk thistle extract liposomes and / or milk thistle extract self-microemulsification forms; the composition of the milk thistle extract and FDP has the effects of reducing liver damage, preventing hangover and resisting fatigue, and is particularly capable of quickly taking effect to reduce liver damage and quickly sobering up.

The utility model relates to a tool for testing a semiconductor device, which aims at solving the technical problems that the pressing force is inconvenient to control and the contact pressure between a chip and a pin is easy to be overlarge and further the chip is damaged in the current mode of manually pressing a clamping bracket, and comprises a test assembly of which the upper end surface is detachably provided with a test part, a tray assembly is detachably installed at the top of the testing part, the testing part comprises a testing plate, buffer mechanisms are fixedly arranged on the upper end face of the testing plate at equal intervals, positioning holes are formed in the four corners of the upper end face of the testing plate, and the buffer mechanisms are used for achieving the buffer effect when a chip is pressed down for detection. Positioning holes are formed in the upper end face of the tray body, positioning inserting rods which are inserted into the positioning holes in a matched mode to achieve the positioning effect are arranged at the four corners of the lower end face of the tray body, the buffering mechanism comprises V-shaped elastic pieces which are symmetrically arranged in a crossed mode, the V-shaped elastic pieces are connected, and the chip pressing detection device has the advantage of achieving the buffering effect in the chip pressing detection process.

The invention discloses chip unsealing equipment, and relates to the field of semiconductor equipment, and the chip unsealing equipment comprises a workbench, the workbench is provided with a stand column, the stand column is rotatably sleeved with a rotating ring, the two opposite sides of the outer side wall of the rotating ring are provided with a laser emission mechanism and a liquid dropping mechanism, and the workbench is provided with a driving mechanism. The driving end of the driving mechanism is provided with a clamping tool used for clamping and fixing a plastic package device, the laser emission mechanism carries out laser ablation on the plastic package device, the liquid dropping mechanism carries out quantitative liquid dropping on the plastic package device, a cleaning pool is arranged on the workbench and located below the driving mechanism, and the driving mechanism drives the clamping tool to move in and out of the cleaning pool. According to the application, the corrosive liquid is dropped into the groove of the plastic package device by using the liquid dropping mechanism, and the liquid dropping mechanism can accurately drop quantitative chemical corrosive liquid into the groove in a small amount and multiple times, so that the corrosion speed of the plastic package device is reduced, and the condition of chip damage is reduced.

The utility model discloses an anti-collision guardrail for a bridge. The bridge anti-collision guardrail comprises two stand columns, a first protection frame is installed between the two stand columns, and a first buffering mechanism is installed on one side of the first protection frame; the first buffering mechanism comprises a second protection frame, and a plurality of buffering wheels are installed on one side of the second protection frame and are arranged in an arc shape. The buffering wheel comprises a rotating shaft, the two ends of the rotating shaft are connected with the second protection frame, and a latex layer is arranged on the outer layer of the rotating shaft. According to the bridge anti-collision guardrail, the stand columns, the first protection frame, the second protection frame and the buffer wheels are arranged, and the latex layers are arranged on the buffer wheels, so that a vehicle can be guided to change the advancing direction, reduce the collision angle of the vehicle and reduce the loss of the vehicle when the vehicle is collided, and when slight collision occurs, the latex layers are used for absorbing energy through deformation, so that the safety of the vehicle is improved. The automobile paint can be effectively protected, and automobile losses are reduced.

The invention discloses a chemical equipment waste gas filtering device and method, relates to the technical field of waste gas separation treatment, and solves the problems of low efficiency and poor effect during waste gas separation treatment caused by long time for separation operation of various impurities in waste gas during waste gas separation treatment. The chemical equipment waste gas filtering device comprises a waste gas pretreatment box, a waste gas separation box and a waste gas post-treatment box, the bottom of the waste gas pretreatment box is provided with the waste gas separation box, and the bottom of the waste gas separation box is provided with the waste gas post-treatment box. According to the waste gas treatment device, particulate matters, organic matters and odor in waste gas can be sequentially and synchronously separated and adsorbed, so that harmful parts in the waste gas cannot pollute the atmospheric environment when the waste gas is subsequently discharged into the atmospheric environment. And meanwhile, the waste gas treatment can be realized through operation of a group of driving pieces, the vibration and noise generated by the device during waste gas treatment are low, and the working environment is more comfortable.

The invention discloses graded screening equipment for metal powder processing, and relates to the technical field of screening equipment, the graded screening equipment comprises a screening box, and the screening box is sequentially provided with a graded screening mechanism, an intermittent feeding mechanism, a material processing mechanism and a material collecting mechanism; the grading screening mechanism comprises three vibrating screening assemblies arranged in the screening box and distributed at equal intervals and a variable speed driving assembly arranged outside the screening box, and the material processing mechanism comprises a dust processing assembly, a metal powder drying assembly and a control assembly. The grading screening mechanism is arranged, the sizes of screen holes of three screens are sequentially decreased from top to bottom, metal powder entering the screening box can be subjected to grading screening treatment conveniently, and therefore the metal powder obtained after grinding can be separated in order according to the particle size, metal powder of various different particle sizes can be screened out conveniently, and the screening effect is improved; and through the vibration screening effect, the situation that the screen is blocked can be effectively reduced, and the screening efficiency can be improved.

The invention relates to the technical field of bearing assembly, and provides a heating mechanism and a bearing assembly method. The heating mechanism is applied to the bearing seat, the bearing seat is provided with an inner hole used for installing a bearing, the heating mechanism is used for heating the inner hole, the heating mechanism is characterized by comprising a supporting seat and a plurality of conductive coils, the supporting seat is cylindrical, and all the conductive coils are arranged on the periphery of the supporting seat in a surrounding mode; and all the conductive coils are arranged at intervals along the axial direction of the supporting seat. And the inner hole of the bearing seat is heated in an electromagnetic heating mode, so that the inner hole of the bearing seat is expanded. And then the heating mechanism is taken out, and the bearing is placed in an inner hole of the bearing seat. And after the bearing seat is cooled, the inner hole of the bearing seat shrinks and clamps the bearing, so that the interference assembly of the bearing and the bearing seat is realized. Compared with the prior art, the heating mechanism can greatly reduce the damage degree of the bearing and the bearing seat, so that the service life of the bearing and the bearing seat after assembly is prolonged.

The invention relates to an anti-collision intelligent new energy automobile outdoor charging pile and method. The anti-collision intelligent new energy automobile outdoor charging pile specifically comprises a charging pile distribution box, and the charging pile distribution box comprises an electric box welding frame, a front protection door, a rear protection door, a side protection door, a top cover plate, a distribution board, a tempered display screen, a heat dissipation window and a bottom plate; the front protective door and the rear protective door are oppositely and fixedly arranged on the two sides of the electric box welding frame, the two sets of side protective doors are oppositely and fixedly arranged on the two sides of the electric box welding frame and are perpendicular to the front protective door, and the top cover plate is fixedly arranged at the top end of the electric box welding frame. The bottom plate is fixedly arranged at the bottom end of the electric box welding frame and is arranged opposite to the top cover plate; hard contact generated by collision of the charging pile can be effectively reduced, deformation and damage of the charging pile caused by collision and irreversible damage of components in the power distribution cabinet due to hard contact collision are reduced, and the damage degree of the components in the collision process is reduced.

The utility model relates to the technical field of elevator maintenance, and discloses an elevator pit maintenance buffer device which comprises a fixing box, an adjusting mechanism arranged in the fixing box, a supporting table arranged at the top of the adjusting mechanism, a buffer fixedly connected to the top of the supporting table, and a bearing mechanism arranged at the bottom of the supporting table. The adjusting mechanism comprises a first threaded rod which is rotatably connected to the inner wall of the fixing box, the outer wall of the first threaded rod is fixedly connected with a worm gear, and the outer ring of the worm gear is meshed with a worm. According to the buffer device for maintenance of the elevator pit, through the arranged adjusting mechanism, the working height of the buffer is higher than the height of an original anti-seismic component in the elevator pit, and meanwhile, the working height of the buffer is higher than the height of maintenance personnel, so that it can be guaranteed that when an elevator car falls down, the anti-seismic component is not damaged; and the buffer can achieve the buffering purpose, the existing potential safety hazards are reduced, meanwhile, it is guaranteed that parts in the elevator pit can work normally, and the safety performance of the device is further improved.

The invention relates to equipment for automatically identifying and measuring a plant quadrat. A main body of the equipment is composed of a machine shell, an interactive display, weighing equipment, a supporting frame, a laser projector, a camera and other modules. Wherein the camera is used for capturing an image of a plant quadrat and realizing identification of plant species through an image processing and identification algorithm; the laser projector is used for projecting a clear boundary on a plant quadrat to ensure the accuracy of a monitoring area; the weighing equipment is used for collecting weight data of the plant sample; the support frame is used for supporting and adjusting the height and angle of the equipment; the interactive display provides a touch screen operation interface, and allows a user to select dominant plants, input parameters and check monitoring results. Through the equipment, a user can easily realize non-destructive monitoring on a plant quadrat, and damage to a grassland ecosystem caused by cutting operation in a traditional method is avoided.

The utility model relates to the technical field of refrigerator deicing and cleaning, in particular to a cleaning device for a stainless steel refrigerator, which comprises a collecting box, two vertical plates are fixedly arranged on two sides of the collecting box respectively, and a cleaning component is slidably arranged between the two vertical plates. The cleaning assembly comprises a moving plate, the moving plate vertically slides between the two vertical plates, a first fixing plate is fixedly arranged on the front side of the moving plate, a plurality of shovel plates are vertically arranged on the front side of the first fixing plate at intervals, a second fixing plate is fixedly arranged at the lower end of the first fixing plate, and a plurality of scraping plates are vertically and fixedly arranged on the front side of the second fixing plate at intervals. The distances between the three scraping plates and the side wall of the stainless steel refrigerator from top to bottom are continuously increased, so that ice on the side wall of the stainless steel refrigerator is gradually cut and separated, and the situation that a whole block of ice is formed is avoided; and the distances between the three shovel plates and the side wall of the stainless steel refrigerator are continuously increased from top to bottom, so that ice on the side wall of the stainless steel refrigerator is gradually shoveled off.