30results about How to "Maintain efficiency" patented technology

The invention relates to the technical field of camera adjustment, in particular to a camera adaptive adjustment method and system and a storage medium. The method comprises the following steps: acquiring a multi-source environment sensing data set and an initial environment image; performing environment feature recognition on the initial environment image according to the multi-source environment sensing data set to obtain a scene environment feature map; performing semantic scene segmentation on the scene environment feature map to obtain a semantic scene macroscopic feature map; performing time sequence attention target tracking on the scene environment feature map to obtain a target vehicle motion feature map; performing feature constraint fusion on the semantic scene macroscopic feature map and the target vehicle motion feature map to obtain a target vehicle-scene motion semantic map; and performing parameter adjustment on the camera according to the target vehicle-scene motion semantic map to obtain a camera parameter adjustment strategy set. According to the invention, the performance and the image quality of the camera in a changeable environment are improved.

The invention provides swimming pool cleaning equipment, and relates to the technical field of swimming pool cleaning. The swimming pool cleaning equipment comprises a base body which comprises a bottom face and a containing cavity, and a liquid inlet communicated with the containing cavity is formed in the bottom face. And the rolling brush is rotationally connected with the base body, and the rolling brush and the liquid inlet are arranged in a spaced mode in the advancing direction of the swimming pool cleaning equipment. And the turbidity detection device is arranged on the bottom surface of the base body, is positioned between the liquid inlet and the rolling brush, and is used for detecting the turbidity of the liquid. In the advancing direction of the swimming pool cleaning equipment, the distance between the turbidity detection device and the central axis of the liquid inlet is a first distance, the minimum distance between the turbidity detection device and the rotating central axis of the rolling brush is a second distance, and the first distance is larger than the second distance. According to the swimming pool cleaning equipment provided by the embodiment of the invention, the turbidity of the liquid can be accurately measured, so that the swimming pool cleaning equipment can more intelligently plan a cleaning path, key areas are ensured to be fully cleaned, unnecessary repeated cleaning is reduced, and then the cleaning efficiency is improved.

The present application discloses a steam turbine main steam valve assembly and a steam turbine, which relates to the field of steam turbines. The valve assembly includes a valve body, a valve core located in the valve body, and a driving component installed outside the valve body for driving the valve core to move, wherein the valve body is provided with an upper horizontal channel connected to the high-pressure steam end, a lower channel connected to the steam discharge pipe, and a vertical channel connecting the upper horizontal channel and the lower channel, and a working port is formed at the connection between the vertical channel and the upper channel. The automobile turbine main steam valve assembly adopts a valve core with an adaptive expansion area, and uses the pressure on the pressure side to achieve adaptive expansion, which enables the new technology to automatically adjust the expansion state of the valve core according to pressure changes during operation, thereby achieving a more ideal sealing effect under different working conditions. Since the valve core can achieve automatic expansion under high pressure, the sealing effect is enhanced.

The utility model discloses spraying equipment for a rust-proof layer on the surface of a renovated steel drum, and relates to the technical field of spraying equipment, the spraying equipment comprises a support, sliding assemblies are fixedly connected to the two sides of the top end of the support, telescopic assemblies are fixedly connected to the two sides of the support, a driving assembly is slidably connected to one side of the support, and the telescopic assemblies are fixedly connected to the other side of the support. And the exterior of the sliding assembly is slidably connected with a conveying assembly, the top end, away from the driving assembly, of the support is fixedly connected with a spraying assembly, and a steel drum body is arranged at the top end of the conveying assembly. According to the utility model, the capability of equipment for adapting to steel drums with different sizes is enhanced, the equipment can adapt to the steel drums with different shapes and sizes, the uniformity and efficiency of the spraying process are kept, the labor cost and the operation difficulty are reduced, and the spraying work of the rust-proof layer on the surface of the renovated steel drum becomes more efficient, simpler, more convenient and more reliable.

The utility model relates to the technical field of cosmetic packaging, in particular to a serum protein active water film vacuum fresh-keeping glass bottle packaging device. The device comprises a storage assembly and a pumping assembly, the pumping assembly is connected with the storage assembly and extracts objects stored in the storage assembly outwards, the pumping assembly is externally connected with a smearing assembly, sealing assemblies are installed on the storage assembly and the smearing assembly, and the sealing assemblies control opening and closing installation. The storage assembly is designed to be in vacuum sealing, contact between oxygen in air and a serum protein active water film is remarkably reduced, the oxidation risk is reduced, the shelf life of the product is prolonged, the pumping assembly can accurately control the dosage extracted each time, waste is avoided, meanwhile, it is ensured that the dosage used each time is consistent, and the service life of the product is prolonged. The pumping mechanism reduces the opportunity that fingers of a user make direct contact with the product, pollution risks are reduced, product sanitation is guaranteed, the external smearing assembly is designed to be suitable for direct use, intermediate operation steps are reduced, and the user can smear the product easily.

The positioning structure comprises a purifier, an air outlet and a filter screen, the top of the purifier is fixedly connected with the bottom of the air outlet, the front side of the purifier is movably connected with the rear side of the filter screen, a positioning cavity is formed in the purifier, and an adjusting mechanism and a positioning mechanism are arranged in the positioning cavity. And the front side of the adjusting mechanism penetrates to the front side of the purifier. According to the indoor air purification device with the adjusting function, the purifier, the air outlet, the filter screen, the adjusting mechanism and the positioning mechanism are arranged and used in cooperation, the problems that dust on the filter screen is too much and the purification effect and the purification speed are reduced due to long-time use are solved, and the purification effect and the purification speed are guaranteed. And the filter screen is quickly disassembled, so that the filter screen is convenient to clean, a certain purification effect and efficiency are kept, and when the filter screen is disassembled, a worker can conveniently operate and use the filter screen.

The invention belongs to the technical field of thermal power generation, and discloses a thermal power generating unit boiler low-nitrogen combustion and efficiency collaborative optimization system. Comprising a load adjustment statistics module used for recording and analyzing load adjustment artificially initiated by a unit and generating a typical load adjustment event; the track acquisition module is used for carrying out parameterization setting and sampling on the combination of the coal feeding rate and the opening degree of the fan; the trajectory comparison module is used for performing coverage comparison elimination on the candidate trajectories obtained by sampling, and performing weighted calculation sorting to obtain an overall optimal trajectory; the model predictive control module is used for optimizing the coal feeding rate and the fan opening degree by adopting a model predictive control method; the control issuing module issues the control command, enters the next sampling moment, obtains the current state and the predicted value of the unit again, and repeats the optimization process in a rolling manner; according to the method, through a mode of combining track data driving and model prediction control, collaborative optimization of low-nitrogen combustion and combustion efficiency of the thermal power generating unit is realized.

The invention provides a cutting device for aluminum alloy door and window machining, and belongs to the technical field of metal cutting equipment. The device comprises a mounting frame, and a limiting sliding groove and a reciprocating lead screw which are arranged on the mounting frame; through cooperation of the cutting and abutting device, the clamping and cleaning device, the lubricating and cooling device, the triggering device and the like, automatic cutting of the aluminum alloy door and window can be achieved, gas sprayed out of an airflow nozzle can blow away cuttings, meanwhile, the temperature of a cutting area can be reduced, a telescopic device can elastically abut against the upper side wall of the aluminum alloy door and window, and the cutting efficiency is improved. A flow guide hole with a port arranged in a big-in and small-out mode can filter lubricating liquid in a liquid storage box, the lubricating liquid can be shaken up through rotation of a cutting wheel disc, along with continuous rising of heat, a pneumatic floating plate can drive a pressure contact piece to make contact with a bearing contact piece under pushing of gas, at the moment, an electromagnetic valve is opened, and the lubricating liquid in the liquid storage box can be cut off; and the lubricating liquid can flow out from the corresponding flow dividing grooves, so that accurate cooling and lubricating treatment can be carried out on tooth spaces of the cutting wheel disc.

The utility model relates to the technical field of water tank air inlet, and discloses a water tank air inlet assembly which comprises a connecting pipe, the middle side of the top end of the connecting pipe is fixedly connected with a first fixing sleeve, the inner side of the first fixing sleeve is fixedly connected with a filtering box, and the inner end of the right side of the filtering box is slidably connected with a collecting box. The left side of the collecting box is provided with front-back opposite collecting ports, the outer end of the rear side of the collecting box is provided with a discharging port, the middle side of the inner end of the left side of the filtering box is fixedly connected with a supporting frame, and the top end of the supporting frame is fixedly connected with a motor. According to the utility model, the filter screen plate is continuously cleaned, and dust is collected at the same time, so that the efficient operation of the water tank and related systems is kept, and meanwhile, if dust and other particles are accumulated on the filter plate, the air flow is possibly reduced, and the air inlet efficiency is reduced. The filter plate is cleaned, so that smooth air circulation can be kept, and performance reduction caused by blockage is avoided.

The utility model relates to the technical field of gearbox oil coolers, and discloses a gearbox oil cooler with turbulent flow pieces, which comprises an oil cooler shell, mounting bolts, a connecting plate, a reinforcing plate, a movable block, a sliding rod, the turbulent flow pieces and mounting holes, the oil return pipe connector is used for intercepting large-particle impurities entering the cooler and protecting the internal structure, the sealing ring ensures that leakage does not occur at the connector, the sealing performance of a system is maintained, and the oil return pipe connector allows cooled oil to flow out of the cooler and return to a gearbox or a circulating system. According to the gearbox oil cooler with the turbulent flow pieces, the heat exchange process is designed and optimized, more turbulent flow is created in oil flow, the turbulent flow pieces break the boundary layer of oil, heat is transferred to the wall of the cooler more quickly from the oil, and the cooler is more effective when treating high-temperature gearbox oil due to the enhanced heat exchange efficiency; therefore, the service life of the gearbox is prolonged, and the performance of a vehicle is improved.

The utility model discloses a rinsing bath which comprises a shell and universal wheels, the universal wheels are installed on the lower end face of the shell, an adjusting mechanism is arranged on the shell, and the adjusting mechanism comprises a water supply mechanism, a hard pipe, a fixed pipe, a spray pipe, an inner sleeve, a clamping sleeve, a side plate, a clamping spring, an inner pipe, a spoiler, a spoiler and a moving mechanism. The water supply mechanism is connected to the shell and the hard pipe in a matched mode, the fixing pipe is connected to the hard pipe in a threaded mode, the adjusting mechanism provides the capacity of accurately adjusting and controlling the flow speed and is suitable for treating automobile parts with different cleaning requirements, and through the combination of the hard pipe, the fixing pipe, the spray pipe, the inner sleeve, the side plate, the clamping sleeve, the clamping spring, the inner pipe, the spoiler and the spoiler, the cleaning effect is improved. The mechanism allows an operator to adjust the water flow strength according to the stain degree and the part sensitivity, and the adjustable design not only enhances the flexibility of the cleaning effect, but also improves the overall energy efficiency and resource utilization efficiency.

This utility model discloses a respirator with a self-cooling function, belonging to the technical field of respiratory protection equipment. It aims to solve the problem of existing respirators causing discomfort and safety risks due to increased internal temperature caused by user respiration during use. It includes: a protective shield body; a liquid reservoir at the top of the protective shield body containing coolant, employing an elastic bladder structure; a circulation pipe horizontally disposed on the outside of the protective shield body, connected to both ends of the liquid reservoir via a first pipe and a second pipe; and a driving mechanism including a micro-pump disposed on the first pipe, the second pipe, or the circulation pipe, driving the coolant to flow sequentially through the liquid reservoir, the first pipe, the circulation pipe, the second pipe, and back to the liquid reservoir, forming a coolant circulation loop. This shield is mainly used in high-temperature environments or industrial and medical applications requiring cooling, automatically reducing the shield temperature and improving user comfort and safety.

The invention relates to a field, and discloses a micro-nano bubble production device and process, including a secondary pressurized atomization tube, a mixing tube, an electrolysis tube, and a physical stripping tube that are connected in sequence. A spray part is arranged in the physical stripping tube. The spray part includes a conical shell and a ball. The position of the spray hole relative to the physical stripping tube can be changed by changing the rotation of the ball, so as to realize the control of the bubble spray direction. By adjusting the output pressure of the second air compressor, the rotation angle and speed of the ball can be controlled to realize the regulation of the bubble spray direction. By adjusting the spray direction, the bubbles can be distributed more evenly in the physical stripping tube, which helps to reduce the aggregation and collision of the bubbles.

The invention relates to the technical field of flue gas recovery carbonization furnaces, in particular to a flue gas recovery carbonization furnace for preparing renewable new turf from straw and a using method thereof.The flue gas recovery carbonization furnace comprises a carbonization furnace body, an upper heat preservation conveying pipe is installed above the carbonization furnace body, and a mounting table is fixedly arranged on the side, away from a combustion chamber, of the carbonization furnace body; a recovery treatment assembly is fixedly arranged on one side of the top end of the mounting table, a supplement assembly is fixedly arranged on the other side of the top end of the mounting table, the top end of the recovery treatment assembly is fixedly connected with the heat exchanger through a lower heat preservation conveying pipe, and the recovery treatment assembly comprises a treatment tank; according to the flue gas purification device, flue gas can be effectively purified, meanwhile, a new solution can be automatically supplemented for the next round of circulation treatment, and the operation convenience and economic benefits are improved.

The invention provides a model optimization method and computing equipment, which are used for multi-engine edge computing equipment, and the method comprises the following steps: loading an original model structure of a computing model; splitting the original model structure to obtain a multi-engine model structure; inserting a synchronization operator into the multi-engine model structure to obtain a multi-engine synchronization model; and loading the multi-engine synchronization model to an edge computing device to execute model operation, the edge computing device comprising a plurality of computing engines, and the plurality of computing engines synchronously executing the multi-engine synchronization model based on the synchronization operator. According to the technical scheme, the data processing capacity of the multi-engine model can be optimized, the model execution efficiency is improved, and the complexity of the model development process is reduced.

The invention discloses a pretreatment method of a microorganism single-cell sequencing sample and a microorganism single-cell RNA sequencing method.The pretreatment method is carried out in a sampling tube, a sample fixing cavity and at least one independent cavity isolated from the sample fixing cavity are arranged in the sampling tube, and fixing liquid is preloaded in the sample fixing cavity or the independent cavity; a diluent is preloaded in the independent chamber, and at least one of the stationary liquid and the diluent contains a nucleic acid protective agent. The method comprises the following steps: sampling a sample and sealing a sampling tube; mixing the sample with the stationary liquid under a closed condition for fixing; and the diluent and the stationary liquid are mixed in the sampling tube before, at the same time or after fixation, so that the diluted stationary liquid and the sample coexist in the sampling tube to be fixed and stored, or the stationary liquid is diluted in the sampling tube after fixation is completed and then stored. The fixing and storing processes are both completed in the closed sampling tube.

The invention discloses a W-band SSPP filter performance evaluation method and system based on GaAs, relates to the technical field of radio frequency and microwave communication, improves the high-precision evaluation capability of frequency deviation and phase change through multi-point sampling and parallel data processing, and solves the problem that the precision of a traditional system is limited in W-band frequency response. The interference suppression module effectively obstructs thermal noise and electromagnetic interference by using a multi-layer shielding and signal isolation technology, and calculates a signal purity index Sjch by collecting parameters such as signal total intensity Xzqd, environmental noise amplitude Znf and random noise component Rns in real time so as to improve the anti-interference capability of the system; besides, the rapid data processing module adopts parallel processing and feature compression, analyzes and compresses a series of lower parameters of frequency fluctuation amplitude Fwd and phase change rate PhR, and generates advanced real-time data, so that the data processing pressure is reduced, and the system can realize more efficient real-time performance evaluation under the high-frequency requirement.

The invention relates to the field of medical transportation, in particular to a solar unmanned transportation boat for transporting medicine and blood and a using method thereof, and the solar unmanned transportation boat comprises a boat body, a solar module, a storage box, a refrigerated cabinet, a cover turning mechanism and a lifting mechanism. When the medicine or blood is transported, the medicine or blood can be placed in the refrigerated cabinet on the unmanned transport boat to be refrigerated, the activity and efficacy of the medicine and the blood can be kept, and the medicine and the blood are prevented from going bad and losing efficacy. Meanwhile, a solar panel on the unmanned transport boat is used for generating electricity, continuous power supply is provided for the unmanned transport boat, and the unmanned transport boat is promoted to advance to transport medicine or blood for sea rescue. Wherein the solar panel can slide along the bracket to be stored or unfolded, so that medicines or blood in the refrigerated cabinet can be conveniently taken and used.

The utility model discloses impurity separation equipment for monoethyl adipate production, which is characterized in that the upper surface of a tank body is movably connected with a sealing cover, the inner surface of the tank body is fixedly connected with a heating plate, the inner surface of the tank body is rotatably connected with a stirring device, and the inner surface of the stirring device is movably connected with an activated carbon adsorbent. The side surface of the tank body is communicated with an air pipe, the outer wall of the air pipe is fixedly connected with a condenser, the other end of the air pipe is fixedly connected with an air pump, the side surface of the air pipe is communicated with a liquid discharging pipe, the lower end of the liquid discharging pipe is fixedly connected with a collecting box, and the front surface of the collecting box is communicated with a liquid taking pipe. The vacuum low-temperature distillation device can be used for vacuum low-temperature distillation, thermal damage of high temperature to monoethyl adipate is reduced, and the stirring device with the activated carbon adsorbent is matched, so that impurities difficult to separate in a mixture can be removed, and the separation effect of vacuum low-temperature distillation is enhanced.

The present invention belongs to the field of filtering technology, and discloses a lithium carbonate filtering device; it includes a wide filter kettle and a narrow filter kettle, the narrow filter kettle is fixedly connected to the top of the wide filter kettle, and a narrow filter screen is arranged inside the narrow filter kettle, and also includes: a wide filter screen, the wide filter screen is arranged inside the wide filter kettle, and the narrow filter screen and the wide filter screen are both fixedly connected with connecting rods inside. Through the structural design of the narrow filter screen, the wide filter screen, the connecting rod, the shaking mechanism and the linkage mechanism, the device realizes that the shaking mechanism drives the narrow filter screen and the wide filter screen to shake through the connecting rod, effectively preventing the filter screen from being blocked, ensuring the smooth flow of liquid, and reducing the pressure of the equipment. At the same time, combined with the operation of the linkage mechanism, the wide filter screen is driven to flip, and the impact force of the falling solid is used for secondary filtration to enhance the filtering effect, and it is shaken and cleaned again when reset, which significantly improves the cleanliness and filtering efficiency.

The utility model discloses laser cutting equipment which comprises a laser cutting machine body, an operation table is installed on the laser cutting machine body, a push plate is arranged in the laser cutting machine body in a sliding mode, a first scraper blade and a second scraper blade are installed on one side of the push plate, and two racks are installed on the other side of the push plate. And a motor is mounted in one side of the laser cutting machine body. Under the matching action of the first scraping plates and the push plate, the push plate is pushed to be matched with the two first scraping plates and the two second scraping plates to scrape off chippings attached to the inner wall of the laser cutting machine body, the chippings are all pushed to the side close to the discharging pipe through the push plate so that the chippings can be conveniently discharged, the chipping cleaning time is shortened, the labor cost is reduced, and therefore the production efficiency is improved; and the stability and efficiency of equipment operation are kept, the service life of the equipment is prolonged, meanwhile, in the falling process of continuous machining chippings, the chippings fall onto the flow guide plate at the moment and are discharged from the discharging opening through flow guide of the wedge-shaped groove, and accumulation is avoided.

The utility model discloses a case fan control circuit board which comprises a plurality of power supply chip interfaces suitable for power supply chips of different models, and when the case fan control circuit board works, only one power supply chip interface is internally provided with a power supply chip. The voltage supplied to the fan by the case fan control circuit board is determined by the model of a power supply chip inserted into the power supply chip interface. The power supply chips of different models are selected, so that the voltage provided by the fan control circuit board conforms to the rated voltage of the fan, the fan in the case operates stably, the working performance and efficiency of the fan are maintained, the heat dissipation effect of the fan is guaranteed, and the case can work normally.

The present invention discloses a capillary expansion silent evaporation device, which relates to the technical field of evaporator noise reduction, and comprises a shell, wherein a compressor is installed inside the shell, a condenser is connected to the outside of the compressor, the condenser is connected to an expansion valve through a capillary tube, an evaporator is connected above the expansion valve, the evaporator and the compressor are kept in communication, a circulation shunt mechanism is arranged on the side of the compressor away from the inner wall of the shell, so as to provide a high-temperature environment for the compressor, so as to enable the refrigerant to quickly absorb a large amount of heat during the evaporation process, thereby accelerating the morphological transformation from liquid to gaseous state, and secondly, ensuring that the low-temperature gas acts on the surface of the condenser through the lower branch pipe, so as to provide a low-temperature environment for the refrigerant, so as to enable the refrigerant to quickly release heat during the condensation process, thereby accelerating the morphological transformation from gaseous state to liquid state, and through the above-mentioned mechanism of accelerating the transformation process, the latent heat release time is reduced, so that the morphological transformation speed of the refrigerant is significantly improved.

This invention discloses a crystalline polyimide / polyimide composite material, its preparation method, and its applications. The method involves first uniformly mixing phenylhexacarboxylic acid trihydride with a diamine monomer, followed by a solid-phase reaction under argon atmosphere protection. After the reaction, the product is immersed in a polar solvent to obtain crystalline polyimide. Then, the crystalline polyimide is added to an organic solution of polyamic acid, subjected to ultrasonic treatment in an ice-water bath, and subsequently thermosetting to obtain the crystalline polyimide / polyimide composite material. The crystalline polyimide in this composite material has a layered two-dimensional COF structure, giving it relatively high thermal conductivity, heat resistance, and high-temperature mechanical properties. Introducing the crystalline polyimide into the polyamic acid solution utilizes the special interfacial compatibility between the amino groups in the crystalline polyimide and the anhydrides in the polyamic acid to react, solving the problem of difficult processing and effectively expanding its application range.

The application relates to a micro-service-based data access method, which comprises the following steps: S1, acquiring a first request server corresponding to a data access request, and sending a client data access request to the first request server; S2, judging whether the first request server satisfies a local execution condition, and if yes, the first request server locally executes the data access request, and sends a request result to the client; the application can effectively reduce memory and CPU usage, and greatly improves data access efficiency.

The invention relates to the technical field of wind power generation, in particular to an energy storage multi-channel fan control method which comprises the following steps: step 1, evaluating the wind power generation potential: firstly, analyzing the climate condition of the location of each wind power generator to estimate the potential power generation capacity of the wind power generator; the pre-estimated value is used as a basis for setting the priority of the wind driven generator, and the generator with the higher pre-estimated value can obtain the higher priority; according to the scheme, through the steps of evaluating the wind power generation potential, setting the power storage interval, monitoring the power storage state, dynamically adjusting the priority of the power storage equipment, setting the priority by considering the distance factor, determining the total priority and the like, the energy utilization efficiency is effectively improved, and the power storage and transmission strategy is optimized; the energy consumption is reduced, the system stability is improved, the response speed and economy of the system are enhanced, sustainable development is supported, the operation cost is reduced, and the continuity and reliability of power supply are ensured.

The invention discloses a PP plastic cup production control system based on artificial intelligence, which belongs to the technical field of PP plastic cup production control, and comprises an acquisition module, a modular analysis module, a control module, a platform end and a replacement analysis module; the acquisition module is used for acquiring production monitoring data; the modular analysis module is used for analyzing the production monitoring data and obtaining control instructions; the control module is used for performing control adjustment according to the control instructions; the platform end comprises a channel information module and a replacement decision module; the channel information module is used for determining each candidate control mode and technical reference data; the replacement decision module is used for making a replacement decision, setting a new modular analysis module, and generating module function information; displaying each module function information to each user; the replacement analysis module is used for performing replacement analysis on the modular analysis module, determining the production difference value of each candidate control mode; and sending the production difference value of each candidate control mode to the replacement decision module.

This application relates to a gas dispersing device, which falls under the field of gas dispersion technology. It includes a main pipe, branch pipes, secondary pipes, and branch ducts. The secondary pipes are connected to the main pipe, and the branch ducts are connected to the branch pipes via the secondary pipes. Each branch duct has multiple holes, which are evenly distributed along its length and staggered between adjacent holes. This application improves the dissolution efficiency and uniform distribution of gas in a liquid by employing a hierarchical pipe structure and optimized hole placement design. The device uses multiple evenly distributed and staggered holes to improve the uniformity of gas within the pipe, increase the contact area between the gas and liquid, optimize gas emission and dispersion, ensure uniform gas distribution in the liquid, reduce bubble formation, and guarantee stable gas diffusion and dissolution efficiency. This device can be widely applied in water treatment, aquaculture, and wastewater treatment, significantly improving gas dissolution efficiency.

The utility model relates to the technical field of construction materials, in particular to a screen vibration classifier for conveying construction materials, which comprises a mounting shell, a pressing top block and an anti-clogging scraping component, two connecting lug plates are fixedly connected to the side end face of the mounting shell in a bilateral symmetry manner, and suspension springs are mounted at the upper ends of the two connecting lug plates. The upper ends of the suspension springs are connected with lap joint plates, two limiting through grooves are formed in the side end face of the mounting shell in a bilateral symmetry mode, the lap joint plates are slidably connected to the interiors of the limiting through grooves, the side ends of the lap joint plates are fixedly connected with screen plates, and the screen plates are arranged in the mounting shell. A discharging sliding plate is arranged below the screen mesh plate. According to the utility model, the cylinder drives the movable rod and the pressing ejector block, and the movable ejector rod is matched with the impact plate, so that only strong vibration is generated on the screen plate, the screening of materials can be effectively promoted, and the generation of noise can be reduced.

The invention discloses a mine energy-saving cooling device and method utilizing freezing shaft remaining cold energy, and the method comprises the steps: 1, after saline water in a remaining freezing pipe is emptied, the inner wall of the remaining freezing pipe is subjected to rust removal treatment, and the transformed remaining freezing pipe is obtained; 2, the transformed remaining freezing pipe serves as a heat exchange part, and air is pressurized through a cold conveying and power unit and then conveyed into the transformed remaining freezing pipe; 3, the air exchanges heat with a low-temperature freezing wall outside the pipe and a surrounding stratum in the process of flowing downwards along the reformed remaining freezing pipe; and 4, the cooled air flows out of the bottom of the reformed remaining freezing pipe and then is conveyed to the working face through the cold energy tail end distribution unit, and after the working face is cooled, the cooled air is discharged out of the mine through the air return unit and conveyed to the cold conveying and power unit again. According to the method, the problem of mine heat damage can be solved by effectively utilizing the cooling capacity left in the well building period, and huge environmental and social benefits are generated in the aspects of saving energy, reducing consumption, reducing carbon emission and the like.