32results about How to "Remove in time" patented technology

The invention relates to a trusted security traffic monitoring system based on an anti-quantum key management framework, and relates to the technical field of smart city traffic, and the system comprises an initialization module which is used for carrying out the initialization processing of a cloud platform, an edge gateway and a camera node; the data acquisition and transmission module is used for acquiring and encrypting monitoring data based on the initialized camera node, and transmitting the encrypted monitoring data to the cloud platform through the edge gateway in a preset data transmission mode; wherein the preset data transmission mode comprises a cross-gateway area transmission mode and a same-gateway area transmission mode; and the data detection module is used for deleting or replacing the scene of the corresponding node when the edge gateway or the camera node shows a malicious behavior or the equipment is aged. According to the method, a key system is constructed through an encryption and decryption algorithm, so that the key management framework oriented to edge computing has quantum aggression resistance, and the security of a city monitoring system in a traditional scheme is improved.

The application provides a method and device for removing odor, a food storage device, a storage medium and a program product. The method is applied to a food storage device, which comprises a storage cavity and an odor removal module. The method comprises the following steps: determining the related parameters of food in the storage cavity; wherein the related parameters comprise the height of the food in the storage cavity and / or the weight of the food; determining the storage duration of the food based on the change degree of the related parameters of the food; in the case that the change degree represents a decrease or no change and the storage duration is greater than a first preset value, determining the odor removal duration of the food based on the related parameters of the food and the storage duration; and controlling the odor removal module to perform an odor removal operation on the storage cavity within the odor removal duration to reduce the odor substances in the storage cavity.

This utility model discloses a visual inspection device for nonwoven fabrics, comprising a main frame and feet and rollers fixedly installed at the bottom of the main frame. A roller assembly is sequentially arranged above the main frame for tightening and unwinding the nonwoven fabric. A light source mechanism is fixedly installed above the roller assembly. A support frame is fixedly installed above the main frame. A set of camera lenses is respectively installed at the bottom of the main frame and the top of the support frame. The camera lenses are fixedly connected to a camera height adjustment module. A connecting frame is fixedly installed on the right side of the support frame, and a labeling machine assembly is fixedly installed on the connecting frame. This utility model discloses a visual inspection device for nonwoven fabrics with high-precision recognition: through a high-resolution camera, optical sensor, and AI algorithm, it can detect minute defects (such as holes, stains, and uneven fibers) that are difficult to detect with the naked eye, with an accuracy down to the micrometer level, eliminating human error and ensuring the consistency and reliability of the inspection results.

The utility model discloses a carton paging FRID (radio frequency identification) electronic tag plane labeling machine which mainly comprises a rack, a paging component, a label conveying device, a labeling device, an RFID reader-writer, a code reading detection component, a removing conveying component and a collecting conveying component. The paging part is located on the left side of the equipment, and the labeling conveying part is installed above the rack and connected with an outlet of the paging part. And the labeling device is mounted above the label conveying device. And the RFID reader-writer is fixedly mounted on the right side of the labeling device. The code reading detection assembly is fixedly installed below the labeling conveying assembly. An inlet of the removing conveying component is connected with a label conveying outlet, and the collecting conveying component is located on the right side of the removing conveying component. According to the labeling conveying device, the labeling conveying number can be increased or decreased according to requirements by labeling conveying users, so that the labeling device is suitable for labeling cartons with different areas. Through the swinging removing conveying component, defective products are removed accurately and timely, the production efficiency is improved, and real-time monitoring and tracking, safe anti-counterfeiting and traceability of packaged products are achieved.

This utility model relates to the technical field of coolant circulation and purification, and in particular to a coolant circulation and purification mechanism for an irregularly shaped copper busbar sawing machine, comprising: a coolant tank, which is supported on the ground and has a liquid storage chamber inside; a circulation pump installed on the coolant tank; a liquid inlet, which is fixedly connected to the top of the coolant tank and communicates with the liquid storage chamber inside; a coarse filter plate, which is installed on the coolant tank and is used to filter and protect the coolant inside; a guide plate, which is fixedly installed in the coolant tank and is located below the coarse filter plate, and is used to guide the coolant flow; and a filtration mechanism, which is installed in the coolant tank and is used to receive and filter the coolant guided by the guide plate; wherein, the filtration mechanism includes: a filter box, which is fixedly installed on the side wall of the coolant tank, with two fixed insertion holes symmetrically arranged on the inner side wall of one end of the filter box, and two insertion ports arranged on the opposite side of the fixed insertion holes.

This utility model discloses a dough cake detection and sorting device, comprising: a detection table, a support frame fixedly installed above the detection table, a linear guide rail mounted on the surface of the support frame, a linear motor mounted on the surface of the linear guide rail, a lifting cylinder mounted on the surface of the linear motor, a vision inspection camera mounted at the lower end of the lifting cylinder, a detection channel provided below the vision inspection camera, a sorting channel mounted at the lower end of the detection channel, a flow divider plate mounted on the surface of the sorting channel, a rejection channel provided on the left side of the flow divider plate, and a qualified channel provided on the right side of the flow divider plate; the sorting channel is internally separated into the rejection channel and the qualified channel by the flow divider plate, and by rotating the baffle plate, unqualified dough cakes are pushed to the rejection channel for timely rejection, while qualified dough cakes pass through the qualified channel. In this way, defective dough cakes are promptly rejected, improving the production quality of dough cakes.

The utility model discloses a kind of bread appearance detection equipment and bread production system, detection table is equipped with for conveying the conveying mechanism of product to be measured and detection mechanism, detection mechanism includes the first detection piece and second detection piece sequentially arranged along the conveying direction of conveying mechanism, first detection piece is used to detect the size in the height direction of product to be measured, second detection piece is used to detect the size in the length and / or width direction of product to be measured. Elimination mechanism is arranged in conveying mechanism, and located downstream of second detection piece, for eliminating product to be measured detected as unqualified by first detection piece and / or second detection piece. By setting first detection piece and second detection piece, the appearance size of product to be measured can be comprehensively detected, and the elimination mechanism can eliminate product to be measured when first detection piece and second detection piece detect that product to be measured is unqualified, so that full-automatic detection of bread appearance can be realized, and the efficiency of bread appearance detection can be improved.

This invention discloses a weighted consensus method for blockchain in a dynamic heterogeneous 6G environment. The method includes the following steps: constructing a multi-dimensional node weight dynamic evaluation model, and performing a comprehensive capability evaluation of nodes based on the model to calculate their consensus weights; constructing a set of consensus nodes entitled to participate in weighted voting and a set of candidate nodes that only participate in verification to accumulate reputation, managing the candidate node set and the consensus node set based on the accumulated behavioral reputation value of the nodes to obtain a real-time updated consensus node set; and executing proposals, weighted voting, and final confirmation based on the node consensus weights and the real-time updated consensus node set to obtain a weighted consensus result for the blockchain. This invention can optimize the allocation of consensus weights, reduce consensus reconfiguration overhead, and maintain efficient weighted consensus in a 6G dynamic heterogeneous environment by constructing a multi-dimensional node weight dynamic evaluation model.

The application relates to a cone valve stop device and belongs to the technical field of material conveying and stopping, which comprises a connecting frame, a driving assembly, a traction assembly, a sealing cap and an air bag. The driving assembly is slidably arranged on the connecting frame and located below a discharging pipe, and a driving part of the driving assembly is vertically movable; the traction assembly is used for driving the driving assembly to horizontally move to avoid the discharging path of the discharging pipe; the first side surface of the sealing cap is connected with the driving end, and the second side surface is a conical surface used for forming a conical surface seal with the discharging pipe opening; an embedded groove is formed in the first side surface of the sealing cap, and the air bag is arranged in the embedded groove; when the second side surface of the sealing cap is locally abraded, the abraded second side surface is inflated and tightly attached to the discharging pipe opening by inflating the air bag, so that the abrasion compensation and reliable sealing are realized. The application can compensate the abrasion of the sealing surface without replacing the driving part or the sealing cap, reduces the maintenance cost, prolongs the service life of the device, and ensures the sealing reliability under the high-cleanliness working condition.

The embodiment of the invention discloses a tree information processing method and device, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the following steps: acquiring an aircraft patrol orthoimage set and aircraft patrol laser point cloud data; inputting the processed orthoimage set into a tree species image classification model to generate a tree species classification vector diagram; establishing a canopy height model and a vectorized lead three-dimensional model; according to the tree species classification vector diagram, the canopy height model and the tree species natural attribute knowledge base, generating a single tree information set; screening the single tree information set according to the vectorized traverse three-dimensional model and the vegetation growth prediction envelope network three-dimensional model; and sending the obstacle individual tree information set to the target terminal device. According to the implementation mode, the real three-dimensional environment around the power transmission line can be reconstructed, so that the real sag condition of a wire can be simulated, the growth condition of a tree crown can be pre-judged, a barrier tree is cut down in time to avoid frequent flashover, and the safety of the power transmission line is improved.

This invention relates to a polishing barrel mechanism for curved glass, comprising a barrel body and electromagnetic units. Multiple electromagnetic units are disposed on the outer wall of the barrel body, and the barrel body is also filled with magnetorheological polishing fluid. A curved glass piece is placed inside the barrel body and fixed by an adsorption fixture. The adsorption fixture has a magnetically conductive backplate. When the curved glass piece is placed inside the barrel body, the magnetically conductive backplate of the adsorption fixture is close to the wall of the barrel body, and the front of the adsorption fixture holding the curved glass piece faces the center of the barrel body. When the polishing mechanism polishes a certain part of the curved glass piece, the corresponding electromagnetic unit is activated, causing the magnetically conductive backplate to become magnetic, thereby adsorbing a large amount of magnetic polishing material from the magnetorheological polishing fluid at the polishing location. A polishing method for the polishing barrel is also disclosed. The beneficial effects achieved by this invention are: good polishing effect and high polishing efficiency.

The application relates to a method and system for purifying durene, and belongs to the technical field of durene purification. The method comprises the following steps: performing primary suspension crystallization on durene-rich liquid at a set cooling speed to obtain primary suspension crystallization slurry with a first temperature; performing solid-liquid separation on the primary suspension crystallization slurry to obtain primary suspension crystallization mother liquor and primary suspension crystallization crystals; performing secondary suspension crystallization on the primary suspension crystallization mother liquor at a set cooling speed to obtain secondary suspension crystallization slurry with a second temperature; performing solid-liquid separation on the secondary suspension crystallization slurry to obtain secondary suspension crystallization crystals; and performing layer-type melt crystallization on the mixed crystals of the primary suspension crystallization crystals and the secondary suspension crystallization crystals to obtain durene crystallization products. Under the synergistic action of the two-stage suspension crystallization and the layer-type melt crystallization, the application can realize high yield and high purity of durene, and the method does not have a gasification and condensation process, and has low energy consumption.

The present application belongs to the technical field of industrial waste gas purification, and particularly relates to a high-efficiency acid mist absorption tower and an absorption method, which comprises a tower body, the tower body is respectively provided with a gas inlet, a gas outlet, a liquid inlet and a liquid outlet, and the tower body is provided with a first spraying system, a second spraying system and a plurality of cleaning assemblies; the first spraying system and the second spraying system are rotatably installed in the tower body through an eccentric wheel assembly, the cleaning assemblies are detachably connected to the inner wall of the tower body, and the plurality of cleaning assemblies are respectively located below the first spraying system and the second spraying system; the beneficial effects of the present application are as follows: the eccentric wheel assembly is used for driving the first spraying system and the second spraying system to perform eccentric rotary motion, the eccentric rotary motion causes the lye inside the spraying system to form turbulent flow and inhibit crystallization; meanwhile, the nozzles of the first spraying system and the second spraying system sequentially contact the cleaning assemblies below during the eccentric rotation, thereby realizing online cleaning of the nozzle crystallization and impurities.

This invention discloses a dual-mode (BeiDou and UWB) collaborative positioning method for rail transit, specifically relating to the field of fusion positioning technology. The method includes the following steps: based on the spatial coverage status of the two types of signals along the train path, a cross-modal distortion discrimination array is constructed to identify trajectory abrupt change regions and dynamically adjust the signal fusion weights; abrupt change points are corrected using a constrained backtracking trajectory fitting algorithm, and pseudo-trajectory points are eliminated by combining the spatial topology of the positioning base station; time-series analysis is performed on the changes in signal fusion weights, and if frequent signal jump trends exist, the relevant fusion weights are lowered to the minimum tolerance threshold to improve trajectory continuity and positioning robustness. This invention achieves accurate identification of trajectory abrupt change regions by constructing a cross-modal distortion discrimination array, effectively corrects abnormal trajectory points by combining dynamic adjustment of fusion weights and a constrained backtracking trajectory fitting algorithm, and suppresses signal jump trends through a time-series analysis mechanism, thereby improving the stability of trajectory fusion and positioning accuracy.

This utility model belongs to the technical field of acetylene production equipment, specifically disclosing a purification device for acetylene production. It includes a purification cylinder with a mounting frame at the top. A stirring motor is embedded in the mounting frame, and the output end of the stirring motor is connected to a hollow shaft. The hollow shaft is rotatably connected to the top of the purification cylinder. A stirring plate is located on the outer surface of the hollow shaft, and a nozzle is connected to the stirring plate. The nozzle is connected to the hollow shaft. A circulation mechanism is located on the outside of the purification cylinder. The input end of the circulation mechanism is connected to the bottom of the purification cylinder, and the output end is connected to the liquid inlet of a rotary joint. An absorbent filter box is installed on the circulation mechanism. This utility model, by incorporating a stirring motor, a hollow shaft, and a stirring plate, can continuously stir the absorbent liquid and acetylene gas during the purification process, effectively preventing the precipitation of sulfides and phosphides produced in the reaction from adhering to the inner wall of the purification cylinder. This reduces the frequency of regular manual cleaning, lowers maintenance costs, and improves purification efficiency.

The application provides a method for preparing ethylbenzene from ethane and benzene by an alternating electromagnetic field and a catalyst thereof. The method comprises the following steps: introducing a reaction gas containing ethane and benzene into a reactor filled with a metal-molecular sieve bifunctional catalyst, and applying an alternating electromagnetic field. The magnetic heating effect of the magnetic metal component (such as Fe, Co and Ni) in the catalyst is utilized to realize directional heating, drive the cooperative reaction of ethane dehydrogenation and benzene alkylation, and generate ethylbenzene in one step. The catalyst is composed of magnetic metal nanoparticles and a molecular sieve (such as ZSM-5). The application solves the problem that the reaction temperatures of the endothermic dehydrogenation and the exothermic alkylation are not matched in the prior art, simultaneously utilizes the non-thermal effect induced by the magnetic field to enhance hydrogen overflow and inhibit carbon deposition, realizes the cooperative improvement of the benzene conversion rate and the ethylbenzene selectivity, and has the advantages of a short process, high energy efficiency and good catalyst stability.

This utility model discloses a thread cleaning and oiling device, relating to the field of auxiliary tools technology for petrochemical equipment. It includes a base, a drive component, a mounting base, a cleaning mechanism, and an oiling mechanism. The drive component is located at the lower end of the base, and the mounting base is located at the upper end. The drive component is connected to the mounting base. Two cleaning mechanisms and two oiling mechanisms are located at the upper end of the mounting base, facing each other. In this utility model, the cleaning steel brush in the cleaning mechanism, in conjunction with a first dual-axis cylinder, can powerfully scrub the outer wall threads of the thread, effectively removing stubborn impurities and dirt. The air outlet further facilitates the timely removal of dust from the cleaning steel brush, improving work efficiency. The oiling mechanism uses an oiling brush combined with a second dual-axis cylinder, which can precisely control the oiling brush to maintain close contact with the thread, ensuring that lubricating oil is evenly applied to the outer wall threads of the thread.

The utility model discloses a domestic electromagnetic valve coil support, including winding main part, elastic outer support subassembly and locking mounting piece, the enameled wire is wound and is arranged in winding main part, winding main part includes winding cylinder and sets up the limiting ring piece of two sides before and after winding cylinder, the circumference symmetry of winding cylinder is provided with a plurality of installation grooves, and the installation groove extends from the front end of winding cylinder to the middle part of winding cylinder, and the inside and outside of winding cylinder are communicated, and the elastic outer support subassembly includes assembly box, upper top piece and push down piece, and assembly box has the assembly channel of upper and lower through -going, and upper top piece and push down piece are installed in assembly channel respectively, and push down piece is connected with slide block at least one spring piece, and locking mounting piece is installed in the front end of elastic outer support subassembly after installing in installation groove in assembly box, to prevent elastic outer support subassembly from separating from installation groove. The utility model can carry out the continued determination to the close degree of enameled wire that winding cylinder winds, and carries out the intuitive and effective display.

This utility model discloses a grinding device for processing black garlic with an anti-sticking structure, including a housing. A first grinding mechanism is provided inside the housing, and a second grinding mechanism is provided below the first grinding mechanism. Both the first and second grinding mechanisms are connected to a drive mechanism. A cleaning mechanism is provided below both the first and second grinding mechanisms. This utility model can drive the first and second grinding mechanisms to work through the drive mechanism. The first grinding mechanism can coarsely grind the black garlic, and the second grinding mechanism can finely grind the material after preliminary grinding, thereby obtaining black garlic products that meet the processing requirements. The cleaning mechanism can continuously clean the grinding mechanism and remove the material adhering to the surface of the grinding mechanism in a timely manner. Thus, through the above structure, the problems of black garlic sticking to the wall, difficult cleaning, and low efficiency are effectively solved, and efficient black garlic grinding and processing is achieved.

This invention discloses a composite catalyst with high resistance to coking in methane dry gas reforming. The composite catalyst is composed of three components: a supported nickel-based catalyst, a nitrogen-doped carbon-supported molybdenum catalyst, and an inert support. The invention also discloses its application in methane dry gas reforming. After hydrogen reduction, the composite catalyst exhibits excellent activity and stability under high space velocity reaction conditions in methane dry gas reforming, overcoming the deficiency of Ni-based catalysts in methane dry gas reforming that are prone to coking and deactivation under high-temperature conditions.

The utility model discloses a pest control monitoring device and relates to the technical field of pest control. Comprising a base, the lifting structure is arranged in the center of the top end of the protective shell and used for adjusting the height of the trapping assembly and the collecting assembly; the collecting assembly is arranged at the top end of the lifting structure and used for collecting diseases and insect pests; the trapping assembly is arranged at the top end of the collecting assembly and used for trapping diseases and insect pests. By means of the lifting structure, it can be ensured that the collecting assembly and the trapping assembly can cover plants of different heights by adjusting the height so that the device can adapt to crops of different types and growth stages, it can be ensured that the device can better attract and capture target insect pests by adjusting the height of the trapping assembly, and the effectiveness of prevention and control is improved; in addition, the monitoring precision can be improved under different conditions, and it is ensured that the insect pest situation can be effectively captured in real time.

The utility model relates to the technical field of glass fiber kiln heat exchange, and discloses a glass fiber kiln heat exchange device which comprises a heat exchange structure, the heat exchange structure comprises a pipeline A, a pipeline B and a heat exchange pipe, the pipeline A and the pipeline B are attached to each other to form a circular pipe shape, and the heat exchange pipe is located in the pipeline A and the pipeline B; the two ends of the heat exchange pipe communicate with a water inlet pipe and a water outlet pipe correspondingly, the water inlet pipe and the water outlet pipe both penetrate through the pipeline A and the pipeline B, the surface of the pipeline B is rotationally connected with two arc-shaped plates, and the surface of the pipeline A is fixedly connected with four fixing blocks. Dirt on the surfaces of the heat exchange pipes can be removed in time through regular cleaning, heat resistance is reduced, heat transfer is smoother, the heat exchanger operates in an efficient state, waste heat in smoke is better recycled, and the energy utilization rate is increased.

This invention discloses a method for monitoring and analyzing the health status of concrete pouring formwork support structures for viaducts, relating to the field of data acquisition and analysis. This invention simplifies on-site handling procedures by prioritizing easily rectifiable issues such as formwork tilt; it promptly adjusts the construction pace when the overall health level exceeds the standard, mitigating structural risks caused by increased load from the outset; it implements differentiated rectification strategies for different health status anomalies, using corresponding models to quantify and determine the scale of additional support poles, balancing the accuracy and rationality of rectification; after rectification, it increases the monitoring frequency of related indicators and conducts data trend prediction, dynamically switching monitoring frequencies based on prediction results to optimize the allocation of monitoring resources; thereby significantly improving the scientific, standardized, and intelligent level of formwork support structure hazard identification, rectification, and long-term monitoring, ensuring structural stability and safety throughout the entire construction process.

The utility model relates to the technical field of road and bridge construction, and discloses a conveying device facilitating kerb laying. The conveying device comprises a carrying cart, a rotating table, a lifting table, a suction cup assembly and a discharging disc. The rotating table is rotationally connected with the carrying cart and is used for stacking curbs; the lifting table is movably arranged on the carrier loader and located on one side of the rotating table, a rotating roller is rotationally arranged on the lifting table, and a lifting hole is formed in the lifting table; the suction cup assembly is movably arranged in a lifting hole of the lifting table and used for pulling the curb to the lifting table. The discharging disc is obliquely arranged on the carrier loader; and the rotating roller rotates to push the curbs on the lifting table to the discharging disc. According to the invention, the occupied time of a carrier loader is reduced, and the requirement of multi-point curb laying is met.

The utility model provides a kind of multifunctional plasma catalytic reaction device, including catalytic reaction unit, it includes: catalyst for catalytic reaction, high voltage electrode and low voltage electrode;Reaction component for catalytic reaction occurs;And water cooling sleeve for reducing the temperature of reaction component;Further include: inhibiting component detachably combined to the reaction component on, it is configured as inhibiting the temperature mutation generated in the reaction component plasma discharge;And water removal unit detachably combined to the catalytic reaction unit on, it is configured as removing the water vapor generated in the catalytic reaction unit;Wherein, the inhibiting component is configured as being set in the outside of the reaction component, to inhibit the generation and intensity of arc in the reaction component, by setting inhibiting component and water removal unit, to reduce temperature mutation phenomenon, and remove reaction water vapor in time, to improve reaction efficiency and guarantee the stability of reaction.

The present disclosure relates to the technical field of dust removal devices, and one embodiment of the present disclosure provides a corn kernel warehouse dust removal device, which comprises a bottom plate, a rear dust baffle, two side dust baffles, a push-pull assembly and a dust suction assembly. The rear dust baffle is fixedly installed on the side of the bottom plate. The two side dust baffles are arranged on the side of the bottom plate through two sliding assemblies respectively. The push-pull assembly comprises two installation plates, two electric cylinders and two push-pull frames. The installation plates are fixedly installed between the two sliding rails. The electric cylinders are installed on the installation plates. The push-pull frames are fixedly installed on the side of the side dust baffles and are fixedly connected with the output ends of the electric cylinders. The dust suction assembly is arranged on the bottom plate. Through the above technical scheme, the technical problem that dust is easily produced when the corn kernels are poured into the pit and then floats into the environment, affecting the environment and the line of sight of the workers is solved.

The application discloses a baffle, a splash-proof device, a chemical mechanical polishing machine table and a polishing waste liquid splash-proof method. The splash-proof device comprises a baffle, a cleaning stand and a driving assembly. The baffle is arranged around the outer periphery of a polishing table. The baffle can be independently lifted under the driving of the driving assembly. The cleaning stand is arranged outside the baffle, and a cleaning spray pipe of the cleaning stand can be rotated to the inside of the baffle and spray liquid to clean the baffle. According to the technical scheme of the application, the polishing waste liquid splash-proof baffle is arranged in a split mode. The working state of a polishing pad organizer in a process can be used to adjust the lifting of the baffle, so that the splashing of waste liquid is maximally blocked. A hydrophilic area and a hydrophobic area are arranged on the surface of the baffle. The surface tension difference of liquid drops on different surfaces is used to realize the adhesion of the liquid drops on the hydrophilic area to prevent splashing, the quick detachment of the liquid drops on the hydrophobic area to prevent secondary splashing and the precipitation of crystals on the surface of the baffle, so that the self-cleaning effect of the surface of the baffle is achieved.

The utility model discloses a medicine packaging bottle detection system which comprises a machine frame, and a first conveying device, a second conveying device and a third conveying device are sequentially arranged on the machine frame in the feeding direction. The air tightness detection device is arranged above the second transportation device and is mounted on the rack; the bottle bottom detection device is arranged below the second conveying device and mounted on the rack; the bottle interior detection device and the bottle body detection device are sequentially arranged above the third conveying device in the feeding direction and installed on the rack. According to the utility model, during the transportation process of the plastic bottles, air tightness detection and appearance defect detection of the plastic bottles can be completed, unqualified products can be removed in time, and the retention of qualified products can be determined, so that the continuity of the production process is ensured, the detection efficiency is effectively improved, and the labor cost investment is reduced.

The utility model relates to the technical field of plastic processing and environmental protection, and discloses a feeding and dust removing device of a double-stage plastic granulating unit, which comprises a main body component and a dust remover, an air inlet pipe is connected onto the dust remover, and the other end of the dust remover is connected with an air outlet pipe; the dust removal assembly is arranged at one end of the air inlet pipe and comprises a dust removal piece and a cleaning brush, a connecting rod is fixed to one end of the cleaning brush, a driving rod is fixed to one end of the connecting rod, a moving rod is hinged to one end of the driving rod, a collecting frame is arranged on one side of the moving rod, a door body is arranged on the inner wall of the collecting frame, and a door shaft is inserted into the inner wall of the door body. The dust remover has the advantages that when the dust remover is started, dust on the filter screen can be cleaned, the filter screen is cleaned when the dust remover is started, dust accumulated on the filter screen can be removed in time, the filter screen is kept in a good transparent state, it is ensured that the dust remover can suck dust-containing air with high efficiency at the beginning of operation, the dust is effectively filtered, and the dust remover is safe and reliable. A relatively low dust concentration in a workshop is maintained, and a clean environment is created for production.

The invention discloses a semi-automatic assembling device for an MSD maintenance switch, and the MSD maintenance switch comprises a fuse, a sleeve terminal, a pedestal, and an upper cover. The equipment comprises a rotating tray provided with a plurality of combined carriers, and a first manual station, a screw locking station, a resistance detection station, a second manual station, an upper cover preassembling station and an upper cover pressing station which are sequentially arranged in the rotating direction of the rotating tray; the combined carrier comprises a first loading position, a second loading position and a third loading position, the first loading position comprises a fuse groove used for carrying a fuse and a terminal groove used for carrying a sleeve terminal, the second loading position comprises a base groove used for carrying a base, and the third loading position comprises an upper cover groove used for carrying an upper cover; according to the automatic assembling machine, manual assistance and automation are combined, the problems that manual assembling is poor in precision and low in efficiency are solved, meanwhile, dependence of full-automatic equipment on high-precision parts is avoided, and the equipment manufacturing cost and the equipment maintenance cost are remarkably reduced.